retinex 알고리즘

retinex 알고리즘은 어두운 사진에서 식별 가능하도록 보정해주는 거라고 하는데(CCTV 등?)

내용을 보면 그것과는 좀 다른 느낌?

 

Retinex improves visual rendering of an image when lighting conditions are not good. While our eye can see colors correctly when light is low, cameras and video cams can't manage this well. The MSRCR (MultiScale Retinex with Color Restoration) algorithm, which is at the root of the Retinex filter, is inspired by the eye biological mechanisms to adapt itself to these conditions. Retinex stands for Retina + cortex.

[링크 : https://docs.gimp.org/en/plug-in-retinex.html]

 

Retinex 알고리즘은 칼라의 일관성과 시각적인 개선을 제공하지만, 전역적인 contrast 감소와 후광효과 및 색왜곡 문제를 발생시 키기도 한다

[링크 : https://www.koreascience.or.kr/article/JAKO201307364424092.pdf]

 

입력 영상에 들어있는 배경 성분을 제거하는 것

[링크 : https://kipl.tistory.com/65]