doc/tutorials/features2d/trackingmotion/corner_subpixels/corner_subpixels.markdown

   1 Detecting corners location in subpixels {#tutorial_corner_subpixels}
   2 =======================================
   3
   4 Goal
   5 ----
   6
   7 In this tutorial you will learn how to:
   8
   9 -   Use the OpenCV function @ref cv::cornerSubPix to find more exact corner positions (more exact
  10     than integer pixels).
  11
  12 Theory
  13 ------
  14
  15 Code
  16 ----
  17
  18 @add_toggle_cpp
  19 This tutorial code's is shown lines below. You can also download it from
  20 [here](https://github.com/opencv/opencv/tree/3.4/samples/cpp/tutorial_code/TrackingMotion/cornerSubPix_Demo.cpp)
  21 @include samples/cpp/tutorial_code/TrackingMotion/cornerSubPix_Demo.cpp
  22 @end_toggle
  23
  24 @add_toggle_java
  25 This tutorial code's is shown lines below. You can also download it from
  26 [here](https://github.com/opencv/opencv/tree/3.4/samples/java/tutorial_code/TrackingMotion/corner_subpixels/CornerSubPixDemo.java)
  27 @include samples/java/tutorial_code/TrackingMotion/corner_subpixels/CornerSubPixDemo.java
  28 @end_toggle
  29
  30 @add_toggle_python
  31 This tutorial code's is shown lines below. You can also download it from
  32 [here](https://github.com/opencv/opencv/tree/3.4/samples/python/tutorial_code/TrackingMotion/corner_subpixels/cornerSubPix_Demo.py)
  33 @include samples/python/tutorial_code/TrackingMotion/corner_subpixels/cornerSubPix_Demo.py
  34 @end_toggle
  35
  36 Explanation
  37 -----------
  38
  39 Result
  40 ------
  41
  42 ![](images/Corner_Subpixels_Original_Image.jpg)
  43
  44 Here is the result:
  45
  46 ![](images/Corner_Subpixels_Result.jpg)