Retinex theory-based nonlinear luminance enhancement and denoising for low-light endoscopic images.
En MouHuiqian WangXiaodong ChenZhangyong LiEnling CaoYuanyuan ChenZhiwei HuangYu PangPublished in: BMC Medical Imaging (2024)
Keyphrases
- retinex theory
- endoscopic images
- low light
- denoising
- noisy images
- noise level
- human visual system
- endoscopic video
- image denoising
- image processing
- visible spectrum
- motion blur
- color images
- region of interest
- total variation
- contrast enhancement
- natural images
- coronary artery
- image enhancement
- high frequency
- brain tumors
- vision system
- multiresolution