Please, I need code that segment the foreground (humen) in the following image.

[John D'Errico]

Please, I need the numbers of the winning lottery ticket.

[CHlin]

John D'Errico, I used many thresholding method but I did not get good result for all IR samples images

Answer 1

[Image Analyst]

How about simple thresholding:

binaryImage = grayImage > someValue;

[CHlin]

thank you for your response. Actually I used some thresholding technique but I did not get a good result for all samples of IR images. I hope even if you have idea how to get or calculate auto threshold for the background of the IR images.