# Does the function image.Laplacian overwrite the image

**URL:** <https://forums.openmv.io/t/does-the-function-image-laplacian-overwrite-the-image/1168>\
**Category:** OpenMV Boards\
**Created:** [March 20, 2019, 4:40pm UTC](https://forums.openmv.io/t/does-the-function-image-laplacian-overwrite-the-image/1168 "2019-03-20T16:40:09Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![bogflap](https://avatars.discourse-cdn.com/v4/letter/b/e47c2d/32.png) [@bogflap](https://forums.openmv.io/u/bogflap)\
**Post date:** [March 20, 2019, 4:40pm UTC](https://forums.openmv.io/t/does-the-function-image-laplacian-overwrite-the-image/1168/1 "2019-03-20T16:40:09Z")

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Do I have to copy the image first if I subsequently want to save the image.

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**Author:** ![kwagyeman](https://yyz1.discourse-cdn.com/flex029/user_avatar/forums.openmv.io/kwagyeman/32/4_2.png) [@kwagyeman](https://forums.openmv.io/u/kwagyeman)\
**Post date:** [March 20, 2019, 4:56pm UTC](https://forums.openmv.io/t/does-the-function-image-laplacian-overwrite-the-image/1168/2 "2019-03-20T16:56:20Z")

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Yeah, we don’t have tons of RAM so most methods that modify the image don’t make a copy.