# Remove shadows on an image

**URL:** <https://forum.opencv.org/t/remove-shadows-on-an-image/3756>\
**Category:** C++\
**Tags:** imgproc\
**Created:** [June 9, 2021, 7:22am UTC](https://forum.opencv.org/t/remove-shadows-on-an-image/3756 "2021-06-09T07:22:24Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Christophe\_Jacquelin](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.opencv.org/christophe_jacquelin/32/135_2.png) [@Christophe\_Jacquelin](https://forum.opencv.org/u/Christophe_Jacquelin)\
**Post date:** [June 9, 2021, 7:22am UTC](https://forum.opencv.org/t/remove-shadows-on-an-image/3756/1 "2021-06-09T07:22:24Z")

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Hello,  
Does it exist a method to removes shadows on an image. To make my image processing efficient.  
Thank you

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**Author:** ![berak](https://avatars.discourse-cdn.com/v4/letter/b/85f322/32.png) [@berak](https://forum.opencv.org/u/berak)\
**Post date:** [June 9, 2021, 7:34am UTC](https://forum.opencv.org/t/remove-shadows-on-an-image/3756/2 "2021-06-09T07:34:54Z")

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please do some own research before asking here, thank you.

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**Author:** ![crackwitz](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.opencv.org/crackwitz/32/14_2.png) [@crackwitz](https://forum.opencv.org/u/crackwitz)\
**Post date:** [June 9, 2021, 10:34am UTC](https://forum.opencv.org/t/remove-shadows-on-an-image/3756/3 "2021-06-09T10:34:20Z")

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or at least post a picture as a basis for discussion. computer vision involves things we can **see**.