documentation/non__linear__filter3x3_8cl.xhtml

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 114 <div class="header">
 115   <div class="summary">
 116 <a href="#func-members">Functions</a>  </div>
 117   <div class="headertitle">
 118 <div class="title">non_linear_filter3x3.cl File Reference</div>  </div>
 119 </div><!--header-->
 120 <div class="contents">
 121 <div class="textblock"><code>#include &quot;<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>&quot;</code><br />
 122 <code>#include &quot;<a class="el" href="non__linear__filter__helpers_8h_source.xhtml">non_linear_filter_helpers.h</a>&quot;</code><br />
 123 </div>
 124 <p><a href="non__linear__filter3x3_8cl_source.xhtml">Go to the source code of this file.</a></p>
 125 <table class="memberdecls">
 126 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
 127 Functions</h2></td></tr>
 128 <tr class="memitem:ac1fc5f0f6bac8d062852df0530d3c0cb"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="non__linear__filter3x3_8cl.xhtml#ac1fc5f0f6bac8d062852df0530d3c0cb">non_linear_filter_box3x3</a> (__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global uchar *dst_ptr, uint dst_stride_x, uint dst_step_x, uint dst_stride_y, uint dst_step_y, uint dst_offset_first_element_in_bytes)</td></tr>
 129 <tr class="memdesc:ac1fc5f0f6bac8d062852df0530d3c0cb"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function applies a non linear filter on a 3x3 box basis on an input image.  <a href="#ac1fc5f0f6bac8d062852df0530d3c0cb">More...</a><br /></td></tr>
 130 <tr class="separator:ac1fc5f0f6bac8d062852df0530d3c0cb"><td class="memSeparator" colspan="2">&#160;</td></tr>
 131 <tr class="memitem:a69c356d968b2ecefbf2aa06e0ac83e28"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="non__linear__filter3x3_8cl.xhtml#a69c356d968b2ecefbf2aa06e0ac83e28">non_linear_filter_cross3x3</a> (__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global uchar *dst_ptr, uint dst_stride_x, uint dst_step_x, uint dst_stride_y, uint dst_step_y, uint dst_offset_first_element_in_bytes)</td></tr>
 132 <tr class="memdesc:a69c356d968b2ecefbf2aa06e0ac83e28"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function applies a non linear filter on a 3x3 cross basis on an input image.  <a href="#a69c356d968b2ecefbf2aa06e0ac83e28">More...</a><br /></td></tr>
 133 <tr class="separator:a69c356d968b2ecefbf2aa06e0ac83e28"><td class="memSeparator" colspan="2">&#160;</td></tr>
 134 <tr class="memitem:a37f5aa2a4245f4b6b925640f73a77fdb"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="non__linear__filter3x3_8cl.xhtml#a37f5aa2a4245f4b6b925640f73a77fdb">non_linear_filter_disk3x3</a> (__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global uchar *dst_ptr, uint dst_stride_x, uint dst_step_x, uint dst_stride_y, uint dst_step_y, uint dst_offset_first_element_in_bytes)</td></tr>
 135 <tr class="memdesc:a37f5aa2a4245f4b6b925640f73a77fdb"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function applies a non linear filter on a 3x3 disk basis on an input image.  <a href="#a37f5aa2a4245f4b6b925640f73a77fdb">More...</a><br /></td></tr>
 136 <tr class="separator:a37f5aa2a4245f4b6b925640f73a77fdb"><td class="memSeparator" colspan="2">&#160;</td></tr>
 137 </table>
 138 <h2 class="groupheader">Function Documentation</h2>
 139 <a class="anchor" id="ac1fc5f0f6bac8d062852df0530d3c0cb"></a>
 140 <div class="memitem">
 141 <div class="memproto">
 142       <table class="memname">
 143         <tr>
 144           <td class="memname">__kernel void non_linear_filter_box3x3 </td>
 145           <td>(</td>
 146           <td class="paramtype">__global uchar *&#160;</td>
 147           <td class="paramname"><em>src_ptr</em>, </td>
 148         </tr>
 149         <tr>
 150           <td class="paramkey"></td>
 151           <td></td>
 152           <td class="paramtype">uint&#160;</td>
 153           <td class="paramname"><em>src_stride_x</em>, </td>
 154         </tr>
 155         <tr>
 156           <td class="paramkey"></td>
 157           <td></td>
 158           <td class="paramtype">uint&#160;</td>
 159           <td class="paramname"><em>src_step_x</em>, </td>
 160         </tr>
 161         <tr>
 162           <td class="paramkey"></td>
 163           <td></td>
 164           <td class="paramtype">uint&#160;</td>
 165           <td class="paramname"><em>src_stride_y</em>, </td>
 166         </tr>
 167         <tr>
 168           <td class="paramkey"></td>
 169           <td></td>
 170           <td class="paramtype">uint&#160;</td>
 171           <td class="paramname"><em>src_step_y</em>, </td>
 172         </tr>
 173         <tr>
 174           <td class="paramkey"></td>
 175           <td></td>
 176           <td class="paramtype">uint&#160;</td>
 177           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
 178         </tr>
 179         <tr>
 180           <td class="paramkey"></td>
 181           <td></td>
 182           <td class="paramtype">__global uchar *&#160;</td>
 183           <td class="paramname"><em>dst_ptr</em>, </td>
 184         </tr>
 185         <tr>
 186           <td class="paramkey"></td>
 187           <td></td>
 188           <td class="paramtype">uint&#160;</td>
 189           <td class="paramname"><em>dst_stride_x</em>, </td>
 190         </tr>
 191         <tr>
 192           <td class="paramkey"></td>
 193           <td></td>
 194           <td class="paramtype">uint&#160;</td>
 195           <td class="paramname"><em>dst_step_x</em>, </td>
 196         </tr>
 197         <tr>
 198           <td class="paramkey"></td>
 199           <td></td>
 200           <td class="paramtype">uint&#160;</td>
 201           <td class="paramname"><em>dst_stride_y</em>, </td>
 202         </tr>
 203         <tr>
 204           <td class="paramkey"></td>
 205           <td></td>
 206           <td class="paramtype">uint&#160;</td>
 207           <td class="paramname"><em>dst_step_y</em>, </td>
 208         </tr>
 209         <tr>
 210           <td class="paramkey"></td>
 211           <td></td>
 212           <td class="paramtype">uint&#160;</td>
 213           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
 214         </tr>
 215         <tr>
 216           <td></td>
 217           <td>)</td>
 218           <td></td><td></td>
 219         </tr>
 220       </table>
 221 </div><div class="memdoc">
 222
 223 <p>This function applies a non linear filter on a 3x3 box basis on an input image. </p>
 224 <dl class="section note"><dt>Note</dt><dd>The needed filter operation is defined through the preprocessor by passing either -DMIN, -DMAX or -DMEDIAN.</dd></dl>
 225 <dl class="params"><dt>Parameters</dt><dd>
 226   <table class="params">
 227     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported data types: U8 </td></tr>
 228     <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
 229     <tr><td class="paramdir">[in]</td><td class="paramname">src_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
 230     <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
 231     <tr><td class="paramdir">[in]</td><td class="paramname">src_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
 232     <tr><td class="paramdir">[in]</td><td class="paramname">src_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
 233     <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported data types: U8 </td></tr>
 234     <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
 235     <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
 236     <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
 237     <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
 238     <tr><td class="paramdir">[in]</td><td class="paramname">dst_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
 239   </table>
 240   </dd>
 241 </dl>
 242
 243 <p>Definition at line <a class="el" href="non__linear__filter3x3_8cl_source.xhtml#l00044">44</a> of file <a class="el" href="non__linear__filter3x3_8cl_source.xhtml">non_linear_filter3x3.cl</a>.</p>
 244
 245 <p>References <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="helpers_8h_source.xhtml#l00201">offset()</a>, <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>, <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00120">row_reduce_max_3()</a>, <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00109">row_reduce_min_3()</a>, and <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00078">sort9()</a>.</p>
 246 <div class="fragment"><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;{</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> dst = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst);</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <span class="comment">// Load values</span></div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    uchar16 top    = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, -1, -1));</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    uchar16 middle = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, -1, 0));</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    uchar16 bottom = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, -1, 1));</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <span class="comment">// Apply respective filter</span></div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="preprocessor">#if defined   MIN</span></div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    uchar16   tmp = min(top, min(middle, bottom));</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    uchar8    out = <a class="code" href="non__linear__filter__helpers_8h.xhtml#ae3e09114bb887de4e20122eed42671a1">row_reduce_min_3</a>(tmp);</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="preprocessor">#elif defined MAX</span></div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    uchar16 tmp = max(top, max(middle, bottom));</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    uchar8  out = <a class="code" href="non__linear__filter__helpers_8h.xhtml#a3138dafa8474a59f73dd837073f18ed7">row_reduce_max_3</a>(tmp);</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="preprocessor">#elif defined MEDIAN</span></div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    uchar8 p0  = top.s01234567;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    uchar8 p1  = top.s12345678;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    uchar8 p2  = top.s23456789;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    uchar8 p3  = middle.s01234567;</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    uchar8 p4  = middle.s12345678;</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    uchar8 p5  = middle.s23456789;</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    uchar8 p6  = bottom.s01234567;</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    uchar8 p7  = bottom.s12345678;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    uchar8 p8  = bottom.s23456789;</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    uchar8 out = <a class="code" href="non__linear__filter__helpers_8h.xhtml#a0960df49e39a9499677066c32600c17f">sort9</a>(p0, p1, p2, p3, p4, p5, p6, p7, p8);</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="preprocessor">#error &quot;Unsupported filter function&quot;</span></div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    <span class="comment">// Store result</span></div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    vstore8(out, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;}</div><div class="ttc" id="helpers_8h_xhtml_a009469e4d9b8fce3b6d5e97d2077827d"><div class="ttname"><a href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a></div><div class="ttdeci">__global uchar * offset(const Image *img, int x, int y)</div><div class="ttdoc">Get the pointer position of a Image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00201">helpers.h:201</a></div></div>
 247 <div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00073">helpers.h:73</a></div></div>
 248 <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_a3138dafa8474a59f73dd837073f18ed7"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#a3138dafa8474a59f73dd837073f18ed7">row_reduce_max_3</a></div><div class="ttdeci">uchar8 row_reduce_max_3(uchar16 val)</div><div class="ttdoc">Calculate the maximum of a sliding window of size 3. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00120">non_linear_filter_helpers.h:120</a></div></div>
 249 <div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00095">helpers.h:95</a></div></div>
 250 <div class="ttc" id="struct_image_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">Image::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00097">helpers.h:97</a></div></div>
 251 <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_a0960df49e39a9499677066c32600c17f"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#a0960df49e39a9499677066c32600c17f">sort9</a></div><div class="ttdeci">uchar8 sort9(uchar8 p0, uchar8 p1, uchar8 p2, uchar8 p3, uchar8 p4, uchar8 p5, uchar8 p6, uchar8 p7, uchar8 p8)</div><div class="ttdoc">Sorting network to sort 9 vectors of 8 elements and return their median. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00078">non_linear_filter_helpers.h:78</a></div></div>
 252 <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_ae3e09114bb887de4e20122eed42671a1"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#ae3e09114bb887de4e20122eed42671a1">row_reduce_min_3</a></div><div class="ttdeci">uchar8 row_reduce_min_3(uchar16 val)</div><div class="ttdoc">Calculate the minimum of a sliding window of size 3. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00109">non_linear_filter_helpers.h:109</a></div></div>
 253 </div><!-- fragment -->
 254 </div>
 255 </div>
 256 <a class="anchor" id="a69c356d968b2ecefbf2aa06e0ac83e28"></a>
 257 <div class="memitem">
 258 <div class="memproto">
 259       <table class="memname">
 260         <tr>
 261           <td class="memname">__kernel void non_linear_filter_cross3x3 </td>
 262           <td>(</td>
 263           <td class="paramtype">__global uchar *&#160;</td>
 264           <td class="paramname"><em>src_ptr</em>, </td>
 265         </tr>
 266         <tr>
 267           <td class="paramkey"></td>
 268           <td></td>
 269           <td class="paramtype">uint&#160;</td>
 270           <td class="paramname"><em>src_stride_x</em>, </td>
 271         </tr>
 272         <tr>
 273           <td class="paramkey"></td>
 274           <td></td>
 275           <td class="paramtype">uint&#160;</td>
 276           <td class="paramname"><em>src_step_x</em>, </td>
 277         </tr>
 278         <tr>
 279           <td class="paramkey"></td>
 280           <td></td>
 281           <td class="paramtype">uint&#160;</td>
 282           <td class="paramname"><em>src_stride_y</em>, </td>
 283         </tr>
 284         <tr>
 285           <td class="paramkey"></td>
 286           <td></td>
 287           <td class="paramtype">uint&#160;</td>
 288           <td class="paramname"><em>src_step_y</em>, </td>
 289         </tr>
 290         <tr>
 291           <td class="paramkey"></td>
 292           <td></td>
 293           <td class="paramtype">uint&#160;</td>
 294           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
 295         </tr>
 296         <tr>
 297           <td class="paramkey"></td>
 298           <td></td>
 299           <td class="paramtype">__global uchar *&#160;</td>
 300           <td class="paramname"><em>dst_ptr</em>, </td>
 301         </tr>
 302         <tr>
 303           <td class="paramkey"></td>
 304           <td></td>
 305           <td class="paramtype">uint&#160;</td>
 306           <td class="paramname"><em>dst_stride_x</em>, </td>
 307         </tr>
 308         <tr>
 309           <td class="paramkey"></td>
 310           <td></td>
 311           <td class="paramtype">uint&#160;</td>
 312           <td class="paramname"><em>dst_step_x</em>, </td>
 313         </tr>
 314         <tr>
 315           <td class="paramkey"></td>
 316           <td></td>
 317           <td class="paramtype">uint&#160;</td>
 318           <td class="paramname"><em>dst_stride_y</em>, </td>
 319         </tr>
 320         <tr>
 321           <td class="paramkey"></td>
 322           <td></td>
 323           <td class="paramtype">uint&#160;</td>
 324           <td class="paramname"><em>dst_step_y</em>, </td>
 325         </tr>
 326         <tr>
 327           <td class="paramkey"></td>
 328           <td></td>
 329           <td class="paramtype">uint&#160;</td>
 330           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
 331         </tr>
 332         <tr>
 333           <td></td>
 334           <td>)</td>
 335           <td></td><td></td>
 336         </tr>
 337       </table>
 338 </div><div class="memdoc">
 339
 340 <p>This function applies a non linear filter on a 3x3 cross basis on an input image. </p>
 341 <dl class="section note"><dt>Note</dt><dd>The needed filter operation is defined through the preprocessor by passing either -DMIN, -DMAX or -DMEDIAN.</dd></dl>
 342 <dl class="params"><dt>Parameters</dt><dd>
 343   <table class="params">
 344     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported data types: U8 </td></tr>
 345     <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
 346     <tr><td class="paramdir">[in]</td><td class="paramname">src_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
 347     <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
 348     <tr><td class="paramdir">[in]</td><td class="paramname">src_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
 349     <tr><td class="paramdir">[in]</td><td class="paramname">src_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
 350     <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported data types: U8 </td></tr>
 351     <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
 352     <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
 353     <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
 354     <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
 355     <tr><td class="paramdir">[in]</td><td class="paramname">dst_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
 356   </table>
 357   </dd>
 358 </dl>
 359
 360 <p>Definition at line <a class="el" href="non__linear__filter3x3_8cl_source.xhtml#l00099">99</a> of file <a class="el" href="non__linear__filter3x3_8cl_source.xhtml">non_linear_filter3x3.cl</a>.</p>
 361
 362 <p>References <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="helpers_8h_source.xhtml#l00201">offset()</a>, <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>, <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00120">row_reduce_max_3()</a>, <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00109">row_reduce_min_3()</a>, and <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00050">sort5()</a>.</p>
 363 <div class="fragment"><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;{</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> dst = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst);</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    <span class="comment">// Load values</span></div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    uchar8  top    = vload8(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, 0, -1));</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    uchar16 middle = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, -1, 0));</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    uchar8  bottom = vload8(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, 0, 1));</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    <span class="comment">// Apply respective filter</span></div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="preprocessor">#if defined   MIN</span></div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    uchar8    tmp_middle = <a class="code" href="non__linear__filter__helpers_8h.xhtml#ae3e09114bb887de4e20122eed42671a1">row_reduce_min_3</a>(middle);</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    uchar8    out        = min(tmp_middle, min(top, bottom));</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="preprocessor">#elif defined MAX</span></div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    uchar8  tmp_middle = <a class="code" href="non__linear__filter__helpers_8h.xhtml#a3138dafa8474a59f73dd837073f18ed7">row_reduce_max_3</a>(middle);</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    uchar8  out        = max(tmp_middle, max(top, bottom));</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="preprocessor">#elif defined MEDIAN</span></div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    uchar8 p0  = top.s01234567;</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    uchar8 p1  = middle.s01234567;</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    uchar8 p2  = middle.s12345678;</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    uchar8 p3  = middle.s23456789;</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    uchar8 p4  = bottom.s01234567;</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    uchar8 out = <a class="code" href="non__linear__filter__helpers_8h.xhtml#a7b5c174de888c3cfa7c08c16682fd770">sort5</a>(p0, p1, p2, p3, p4);</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="preprocessor">#error &quot;Unsupported filter function&quot;</span></div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    <span class="comment">// Store result</span></div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    vstore8(out, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;}</div><div class="ttc" id="helpers_8h_xhtml_a009469e4d9b8fce3b6d5e97d2077827d"><div class="ttname"><a href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a></div><div class="ttdeci">__global uchar * offset(const Image *img, int x, int y)</div><div class="ttdoc">Get the pointer position of a Image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00201">helpers.h:201</a></div></div>
 364 <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_a7b5c174de888c3cfa7c08c16682fd770"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#a7b5c174de888c3cfa7c08c16682fd770">sort5</a></div><div class="ttdeci">uchar8 sort5(uchar8 p0, uchar8 p1, uchar8 p2, uchar8 p3, uchar8 p4)</div><div class="ttdoc">Sorting network to sort 5 vectors of 8 elements and return their median. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00050">non_linear_filter_helpers.h:50</a></div></div>
 365 <div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00073">helpers.h:73</a></div></div>
 366 <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_a3138dafa8474a59f73dd837073f18ed7"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#a3138dafa8474a59f73dd837073f18ed7">row_reduce_max_3</a></div><div class="ttdeci">uchar8 row_reduce_max_3(uchar16 val)</div><div class="ttdoc">Calculate the maximum of a sliding window of size 3. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00120">non_linear_filter_helpers.h:120</a></div></div>
 367 <div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00095">helpers.h:95</a></div></div>
 368 <div class="ttc" id="struct_image_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">Image::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00097">helpers.h:97</a></div></div>
 369 <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_ae3e09114bb887de4e20122eed42671a1"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#ae3e09114bb887de4e20122eed42671a1">row_reduce_min_3</a></div><div class="ttdeci">uchar8 row_reduce_min_3(uchar16 val)</div><div class="ttdoc">Calculate the minimum of a sliding window of size 3. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00109">non_linear_filter_helpers.h:109</a></div></div>
 370 </div><!-- fragment -->
 371 </div>
 372 </div>
 373 <a class="anchor" id="a37f5aa2a4245f4b6b925640f73a77fdb"></a>
 374 <div class="memitem">
 375 <div class="memproto">
 376       <table class="memname">
 377         <tr>
 378           <td class="memname">__kernel void non_linear_filter_disk3x3 </td>
 379           <td>(</td>
 380           <td class="paramtype">__global uchar *&#160;</td>
 381           <td class="paramname"><em>src_ptr</em>, </td>
 382         </tr>
 383         <tr>
 384           <td class="paramkey"></td>
 385           <td></td>
 386           <td class="paramtype">uint&#160;</td>
 387           <td class="paramname"><em>src_stride_x</em>, </td>
 388         </tr>
 389         <tr>
 390           <td class="paramkey"></td>
 391           <td></td>
 392           <td class="paramtype">uint&#160;</td>
 393           <td class="paramname"><em>src_step_x</em>, </td>
 394         </tr>
 395         <tr>
 396           <td class="paramkey"></td>
 397           <td></td>
 398           <td class="paramtype">uint&#160;</td>
 399           <td class="paramname"><em>src_stride_y</em>, </td>
 400         </tr>
 401         <tr>
 402           <td class="paramkey"></td>
 403           <td></td>
 404           <td class="paramtype">uint&#160;</td>
 405           <td class="paramname"><em>src_step_y</em>, </td>
 406         </tr>
 407         <tr>
 408           <td class="paramkey"></td>
 409           <td></td>
 410           <td class="paramtype">uint&#160;</td>
 411           <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
 412         </tr>
 413         <tr>
 414           <td class="paramkey"></td>
 415           <td></td>
 416           <td class="paramtype">__global uchar *&#160;</td>
 417           <td class="paramname"><em>dst_ptr</em>, </td>
 418         </tr>
 419         <tr>
 420           <td class="paramkey"></td>
 421           <td></td>
 422           <td class="paramtype">uint&#160;</td>
 423           <td class="paramname"><em>dst_stride_x</em>, </td>
 424         </tr>
 425         <tr>
 426           <td class="paramkey"></td>
 427           <td></td>
 428           <td class="paramtype">uint&#160;</td>
 429           <td class="paramname"><em>dst_step_x</em>, </td>
 430         </tr>
 431         <tr>
 432           <td class="paramkey"></td>
 433           <td></td>
 434           <td class="paramtype">uint&#160;</td>
 435           <td class="paramname"><em>dst_stride_y</em>, </td>
 436         </tr>
 437         <tr>
 438           <td class="paramkey"></td>
 439           <td></td>
 440           <td class="paramtype">uint&#160;</td>
 441           <td class="paramname"><em>dst_step_y</em>, </td>
 442         </tr>
 443         <tr>
 444           <td class="paramkey"></td>
 445           <td></td>
 446           <td class="paramtype">uint&#160;</td>
 447           <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
 448         </tr>
 449         <tr>
 450           <td></td>
 451           <td>)</td>
 452           <td></td><td></td>
 453         </tr>
 454       </table>
 455 </div><div class="memdoc">
 456
 457 <p>This function applies a non linear filter on a 3x3 disk basis on an input image. </p>
 458 <dl class="section note"><dt>Note</dt><dd>The needed filter operation is defined through the preprocessor by passing either -DMIN, -DMAX or -DMEDIAN.</dd></dl>
 459 <dl class="params"><dt>Parameters</dt><dd>
 460   <table class="params">
 461     <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source image. Supported data types: U8 </td></tr>
 462     <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
 463     <tr><td class="paramdir">[in]</td><td class="paramname">src_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
 464     <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
 465     <tr><td class="paramdir">[in]</td><td class="paramname">src_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
 466     <tr><td class="paramdir">[in]</td><td class="paramname">src_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
 467     <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination image. Supported data types: U8 </td></tr>
 468     <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
 469     <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
 470     <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
 471     <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
 472     <tr><td class="paramdir">[in]</td><td class="paramname">dst_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
 473   </table>
 474   </dd>
 475 </dl>
 476
 477 <p>Definition at line <a class="el" href="non__linear__filter3x3_8cl_source.xhtml#l00150">150</a> of file <a class="el" href="non__linear__filter3x3_8cl_source.xhtml">non_linear_filter3x3.cl</a>.</p>
 478
 479 <p>References <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="helpers_8h_source.xhtml#l00201">offset()</a>, <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>, <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00120">row_reduce_max_3()</a>, <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00109">row_reduce_min_3()</a>, and <a class="el" href="non__linear__filter__helpers_8h_source.xhtml#l00078">sort9()</a>.</p>
 480 <div class="fragment"><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;{</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    <a class="code" href="struct_image.xhtml">Image</a> dst = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst);</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    <span class="comment">// Load values</span></div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;    uchar16 top    = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, -1, -1));</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;    uchar16 middle = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, -1, 0));</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;    uchar16 bottom = vload16(0, <a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, -1, 1));</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;    <span class="comment">// Apply respective filter</span></div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;<span class="preprocessor">#if defined   MIN</span></div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    uchar16   tmp = min(top, min(middle, bottom));</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    uchar8    out = <a class="code" href="non__linear__filter__helpers_8h.xhtml#ae3e09114bb887de4e20122eed42671a1">row_reduce_min_3</a>(tmp);</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;<span class="preprocessor">#elif defined MAX</span></div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    uchar16 tmp        = max(top, max(middle, bottom));</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    uchar8  out        = <a class="code" href="non__linear__filter__helpers_8h.xhtml#a3138dafa8474a59f73dd837073f18ed7">row_reduce_max_3</a>(tmp);</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;<span class="preprocessor">#elif defined MEDIAN</span></div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    uchar8 p0  = top.s01234567;</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;    uchar8 p1  = top.s12345678;</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    uchar8 p2  = top.s23456789;</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    uchar8 p3  = middle.s01234567;</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    uchar8 p4  = middle.s12345678;</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;    uchar8 p5  = middle.s23456789;</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    uchar8 p6  = bottom.s01234567;</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    uchar8 p7  = bottom.s12345678;</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    uchar8 p8  = bottom.s23456789;</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    uchar8 out = <a class="code" href="non__linear__filter__helpers_8h.xhtml#a0960df49e39a9499677066c32600c17f">sort9</a>(p0, p1, p2, p3, p4, p5, p6, p7, p8);</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;<span class="preprocessor">#error &quot;Unsupported filter function&quot;</span></div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    <span class="comment">// Store result</span></div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    vstore8(out, 0, dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;}</div><div class="ttc" id="helpers_8h_xhtml_a009469e4d9b8fce3b6d5e97d2077827d"><div class="ttname"><a href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a></div><div class="ttdeci">__global uchar * offset(const Image *img, int x, int y)</div><div class="ttdoc">Get the pointer position of a Image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00201">helpers.h:201</a></div></div>
 481 <div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00073">helpers.h:73</a></div></div>
 482 <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_a3138dafa8474a59f73dd837073f18ed7"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#a3138dafa8474a59f73dd837073f18ed7">row_reduce_max_3</a></div><div class="ttdeci">uchar8 row_reduce_max_3(uchar16 val)</div><div class="ttdoc">Calculate the maximum of a sliding window of size 3. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00120">non_linear_filter_helpers.h:120</a></div></div>
 483 <div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00095">helpers.h:95</a></div></div>
 484 <div class="ttc" id="struct_image_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">Image::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00097">helpers.h:97</a></div></div>
 485 <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_a0960df49e39a9499677066c32600c17f"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#a0960df49e39a9499677066c32600c17f">sort9</a></div><div class="ttdeci">uchar8 sort9(uchar8 p0, uchar8 p1, uchar8 p2, uchar8 p3, uchar8 p4, uchar8 p5, uchar8 p6, uchar8 p7, uchar8 p8)</div><div class="ttdoc">Sorting network to sort 9 vectors of 8 elements and return their median. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00078">non_linear_filter_helpers.h:78</a></div></div>
 486 <div class="ttc" id="non__linear__filter__helpers_8h_xhtml_ae3e09114bb887de4e20122eed42671a1"><div class="ttname"><a href="non__linear__filter__helpers_8h.xhtml#ae3e09114bb887de4e20122eed42671a1">row_reduce_min_3</a></div><div class="ttdeci">uchar8 row_reduce_min_3(uchar16 val)</div><div class="ttdoc">Calculate the minimum of a sliding window of size 3. </div><div class="ttdef"><b>Definition:</b> <a href="non__linear__filter__helpers_8h_source.xhtml#l00109">non_linear_filter_helpers.h:109</a></div></div>
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 495     <li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.xhtml">src</a></li><li class="navelem"><a class="el" href="dir_aebb8dcc11953d78e620bbef0b9e2183.xhtml">core</a></li><li class="navelem"><a class="el" href="dir_8c278f79c760e5c5fbd911f9870614c1.xhtml">CL</a></li><li class="navelem"><a class="el" href="dir_25885286e9dad4fa105b7b25a8031bbf.xhtml">cl_kernels</a></li><li class="navelem"><a class="el" href="non__linear__filter3x3_8cl.xhtml">non_linear_filter3x3.cl</a></li>
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 498     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
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