COLORMAP_COOL = 8, //!< ![cool](pics/colormaps/colorscale_cool.jpg)
COLORMAP_HSV = 9, //!< ![HSV](pics/colormaps/colorscale_hsv.jpg)
COLORMAP_PINK = 10, //!< ![pink](pics/colormaps/colorscale_pink.jpg)
- COLORMAP_HOT = 11 //!< ![hot](pics/colormaps/colorscale_hot.jpg)
+ COLORMAP_HOT = 11, //!< ![hot](pics/colormaps/colorscale_hot.jpg)
+ COLORMAP_PARULA = 12 //!< ![hot](pics/colormaps/colorscale_parula.jpg)
};
/** @brief Applies a GNU Octave/MATLAB equivalent colormap on a given image.
}
};
+ // Colormap similar to MATLAB's "parula".
+ class Parula : public ColorMap {
+ public:
+ Parula() : ColorMap() {
+ init(256);
+ }
+
+ Parula(int n) : ColorMap() {
+ init(n);
+ }
+
+ void init(int n) {
+ float r[] = { 0.2078, 0.0118, 0.0784, 0.0235, 0.2196, 0.5725, 0.8510, 0.9882, 0.9765 };
+ float g[] = { 0.1647, 0.3882, 0.5216, 0.6549, 0.7255, 0.7490, 0.7294, 0.8078, 0.9843 };
+ float b[] = { 0.5294, 0.8824, 0.8314, 0.7765, 0.6196, 0.4510, 0.3373, 0.1804, 0.0549 };
+ Mat X = linspace(0, 1, 9);
+ this->_lut = ColorMap::linear_colormap(X,
+ Mat(9, 1, CV_32FC1, r).clone(), // red
+ Mat(9, 1, CV_32FC1, g).clone(), // green
+ Mat(9, 1, CV_32FC1, b).clone(), // blue
+ n); // number of sample points
+ }
+ };
+
void ColorMap::operator()(InputArray _src, OutputArray _dst) const
{
if(_lut.total() != 256)
colormap == COLORMAP_HSV ? (colormap::ColorMap*)(new colormap::HSV) :
colormap == COLORMAP_JET ? (colormap::ColorMap*)(new colormap::Jet) :
colormap == COLORMAP_OCEAN ? (colormap::ColorMap*)(new colormap::Ocean) :
+ colormap == COLORMAP_PARULA ? (colormap::ColorMap*)(new colormap::Parula) :
colormap == COLORMAP_PINK ? (colormap::ColorMap*)(new colormap::Pink) :
colormap == COLORMAP_RAINBOW ? (colormap::ColorMap*)(new colormap::Rainbow) :
colormap == COLORMAP_SPRING ? (colormap::ColorMap*)(new colormap::Spring) :