imagej workshop

// get stats

getRawStatistics(area, mean, min, max, std, h);

width = getWidth();

height = getHeight();

// Cumulative Histogram

for (i=1;i< h.length;i++) {

h[i] = h[i-1]+h[i];

}

// Normalized Cumulative Histogram

for (i=0;i< h.length;i++) {

h[i] = round( ( (h[i] - h[0])/ ((width * height)-h[0])) * 255);

}

// Change pixel values

for (x=0; x<width;x++) {

for(y=0; y<height; y++) {

p = getPixel(x,y);

setPixel(x,y,h[p]);

}

}

// plot normalized cumulative histogram

Plot.create("Cumulative Histogram of "+getTitle, "Value", "Sum of pixel count", h);

Plot.show();

// end