image normalization (same mean and same std)

Hello, How can i normalize two images (put then with the same mean and the same standart deviation) Thank you.

Answer 1

[Image Analyst]

For an approximate match, try imhistmatch() to match the histograms of the two images. Otherwise, just do simple math, something like

newImage1 = (image1-mean1)*std2/std1 + mean2;

[Henrique Tinti de Andrade]

thanks... and how I would do for more than 2 images? thanks again

[Image Analyst]

Code samples are in the FAQ: http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F