# How to detect room corners?

**URL:** <https://forum.opencv.org/t/how-to-detect-room-corners/2397>\
**Category:** Uncategorized\
**Created:** [March 26, 2021, 9:06am UTC](https://forum.opencv.org/t/how-to-detect-room-corners/2397 "2021-03-26T09:06:28Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Kishan\_ss](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.opencv.org/kishan_ss/32/1566_2.png) [@Kishan\_ss](https://forum.opencv.org/u/Kishan_ss)\
**Post date:** [March 26, 2021, 9:06am UTC](https://forum.opencv.org/t/how-to-detect-room-corners/2397/1 "2021-03-26T09:06:28Z")

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I’m doing experiments to detect actual room corners using opencv. Have used Shi-tomasi and Harris to detect all corners in image, but how can I identify actual corner of room.