# When i change the model to segmentation , it lost some accuracy

**URL:** <https://discourse.slicer.org/t/when-i-change-the-model-to-segmentation-it-lost-some-accuracy/27314>\
**Category:** Development\
**Created:** [January 18, 2023, 1:29am UTC](https://discourse.slicer.org/t/when-i-change-the-model-to-segmentation-it-lost-some-accuracy/27314 "2023-01-18T01:29:29Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jay1987](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jay1987/32/16183_2.png) [@jay1987](https://discourse.slicer.org/u/jay1987)\
**Post date:** [January 18, 2023, 1:29am UTC](https://discourse.slicer.org/t/when-i-change-the-model-to-segmentation-it-lost-some-accuracy/27314/1 "2023-01-18T01:29:29Z")

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hello community  
this is the model representation

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/7/3/737a79807348b72c0097a5f7763aefabbd9c36e5.jpeg)  
this is the representation the model change to segmentation binary labelmap  
 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/d/3/d30e46237adbf4f95af628811c369a75f8500e60.jpeg)

i have compiled the whole Slicer Code, I don’t know how to change the parameter to make the convertion more accuracy.