Based on the assumption of spatially smooth illuminant,traditional center surround-based Retinex enhancement methods suffer the existence of halo artifacts.
由于假设场景中光照是平缓变化的,传统的中心/环绕Retinex图像增强方法在处理高动态范围图像时易在明暗对比强烈处产生光晕现象。
