Retinex是由两个英文单词retina(视网膜)和cortex(皮层)组合而成，揭示了这一理论涉及模拟人类视觉系统的感知和理解过程。1963年Land首次提出了基于颜色恒常性的计算理论—— Retinex 理论，作为人类视觉对亮度和颜色感知的模型-Retinex is composed of two English words (retinal) and retina cortex (cortical) combination, reveals this theory to simulate the human visual system s perception and understanding process.In 1963 Land first proposed based on color constancy computation theory-- Retinex theory, as the human perception of luminance and color perception model