void MyProcessingClass::PreProcessingToEntropy()
{
/*
*
* function [preProcessed_Im] = PreProcessingToEntropy(image,size)
red = double(image(:,:,1));
green = double(image(:,:,2));
blue = double(image(:,:,3));
I = uint8((double(red) + double(green) + double(blue))/3);
%to use a medfilter
medfilt_I = medfilt2(I,[size size]);
%use a CLAHE
preProcessed_Im = adapthisteq(medfilt_I(:,:));
* */
std::vector<cv::Mat> image_channels(3);
cv::split(m_input_image, image_channels);
m_red_channel = image_channels.at(0);
m_green_channel = image_channels.at(1);
m_blue_channel = image_channels.at(2);
cv::Mat for_median_filter = (m_red_channel + m_green_channel + m_blue_channel) / 3.0;
cv::medianBlur(for_median_filter, for_median_filter, m_median_filet_kernel_size);
cv::Ptr<cv::CLAHE> clahe = cv::createCLAHE();
clahe->setClipLimit(4.0);
clahe->apply(for_median_filter, pre_processed_image);
}
Sdraw_vertical_gradient, (repv img, repv from_, repv to_), rep_Subr3)
{
unsigned char from[3], to[3];
int width, height, stride, channels;
int x, y;
unsigned char *data;
rep_DECLARE1(img, IMAGEP);
rep_DECLARE2(from_, COLORP);
rep_DECLARE3(to_, COLORP);
data = image_pixels (VIMAGE(img));
width = image_width (VIMAGE(img));
height = image_height (VIMAGE(img));
stride = image_row_stride (VIMAGE(img));
channels = image_channels (VIMAGE(img));
from[0] = VCOLOR(from_)->red / 256;
from[1] = VCOLOR(from_)->green / 256;
from[2] = VCOLOR(from_)->blue / 256;
to[0] = VCOLOR(to_)->red / 256;
to[1] = VCOLOR(to_)->green / 256;
to[2] = VCOLOR(to_)->blue / 256;
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
data[y*stride+x*channels+0] = (from[0] + (to[0] - from[0])
* y / height);
data[y*stride+x*channels+1] = (from[1] + (to[1] - from[1])