Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Selected samples, IMGs (1), (2), (3), and (4) are MRI brain tumor images, IMGs (5), (6), (7), and (8) are simulated images; (a) are original images, (b) corresponding histograms, (c) ground truths, (d) segmentation results using the modified Otsu method [3], (e) segmentation results using the original Otsu, and (f) segmentation results using the proposed lognormal-based model.
