How to segment Gray image using autoamte thrsholding without manual threshold [based on image- image was dynamic ]?

How to segment Gray image using autoamte thrsholding without manual threshold [based on image- image was dynamic ]?

Answer 1

[Manish M]

Hi

You can use Otsu's thresholding technique. It chooses a threshold that minimizes the intraclass variance of the thresholded black and white pixels. Graythresh https://www.mathworks.com/help/images/ref/graythresh.html uses Otsu's.

[voxey]

Hi Manish M, I am asking instantly , image thresholding without any pre-processing? your answer not related to my question. thanks for reply.