# High contrast image

**URL:** <https://discourse.slicer.org/t/high-contrast-image/6069>\
**Category:** Support\
**Tags:** segmentation\
**Created:** [March 8, 2019, 8:27am UTC](https://discourse.slicer.org/t/high-contrast-image/6069 "2019-03-08T08:27:23Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![prorai](https://avatars.discourse-cdn.com/v4/letter/p/e8c25b/32.png) [@prorai](https://discourse.slicer.org/u/prorai)\
**Post date:** [March 8, 2019, 8:27am UTC](https://discourse.slicer.org/t/high-contrast-image/6069/1 "2019-03-08T08:27:23Z")

</div>

i’m running a python script to make 3d models of segmentation.  
I have a series in which the images are very high contrast :

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/6/3/63105938637b79e60d56f771d279fa616d4043cc.jpeg)

whenever i try to run my python script for this dicom series the process stuck or keep showing running in windows process.  
is it due to the output size of 3D model ?