# Slow itkContourExtractor2DImageFilter

**URL:** https://discourse.itk.org/t/slow-itkcontourextractor2dimagefilter/6486
**Category:** Algorithms
**Created:** [March 1, 2024, 3:58pm UTC](https://discourse.itk.org/t/slow-itkcontourextractor2dimagefilter/6486 "2024-03-01T15:58:57Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![finetjul](https://discourse.itk.org/user_avatar/discourse.itk.org/finetjul/32/538_2.png) [@finetjul](https://discourse.itk.org/u/finetjul)
#### Post date: [March 1, 2024, 3:58pm UTC](https://discourse.itk.org/t/slow-itkcontourextractor2dimagefilter/6486/1 "2024-03-01T15:58:57Z")

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Hi,

itkContourExtractor2DImageFilter is slow for our need. Is there a way to configure it to speed it up (e.g. we could provide a seed to the algorithm for what contour to extract) ? Is there an alternative algorithm that does the same in a more naïve way ?

Thanks,  
Julien.