<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div>Hello,</div><div><br></div><div>I am trying to use itkWatershedImageFilter to perform segmentation on a 3D ".mha" file. But the segmentation output is nothing but an all black one. I cannot see anything there. My preprocessing of the data is correct. My parameters are: <br></div><div>threshold: 0.0, 0.05, 0.1<br></div><div>Level is: 5, 10</div><div><br></div><div>Can someone point out the error? Thanks in advance. <br></div></div></body></html>