<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">If the input and output pixel types are different, extract filter does simple casting. That causes the effect you have observed. You need to use <a href="https://itk.org/Doxygen/html/classitk_1_1RescaleIntensityImageFilter.html">RescaleIntensityImageFilter</a> either before or after the extract. Have the extract filter use the same input and output pixel type.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, May 8, 2019 at 11:44 AM Shrabani Ghosh <<a href="mailto:srbn.ghosh99@gmail.com">srbn.ghosh99@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">I am using 

<span style="font-family:verdana,sans-serif"> unsigned char as output pixel and signed short as input pixel.</span></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, May 8, 2019 at 10:19 AM Dženan Zukić <<a href="mailto:dzenanz@gmail.com" target="_blank">dzenanz@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">You need to use a different pixel type. You might be using char, and needing to use unsigned char or short.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, May 8, 2019 at 2:17 AM Shrabani Ghosh <<a href="mailto:srbn.ghosh99@gmail.com" target="_blank">srbn.ghosh99@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I have tried different direction matrix collapse strategies. But still, I am<br>
getting the same. The slices are coming out like this. <br>
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<<a href="http://itk-insight-users.2283740.n2.nabble.com/file/t396636/slice1.png" rel="noreferrer" target="_blank">http://itk-insight-users.2283740.n2.nabble.com/file/t396636/slice1.png</a>> <br>
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