计算机工程与应用Issue(7)：160-164,5.DOI:10.3778/j.issn.1002-8331.1406-0244
保持图像亮度的自适应局部对比度增强
Adaptive local contrast enhancement with brightness preservation
摘要
Abstract
Most of local histogram equalization algorithms used for contrast enhancement recently treat mean and median brightness as the dividing point of the image, these methods can keep the image brightness, but produce local excessive enhancement as well. So an adaptive local contrast enhancement algorithm with minimum brightness error is proposed, which preserves the brightness by choosing the best brightness split points based on absolute mean brightness error, then uses brightness preserving bi-histogram equalization algorithm equalizing sub-images of being split, and reduces blocking artifacts by filtering. The experimental results show that the algorithm not only preserves the brightness of the image, and achieves the local contrast enhancement as well.关键词
亮度保持/直方图均衡/自适应对比度增强Key words
brightness preservation/histogram equalization/adaptive contrast enhancement分类
信息技术与安全科学引用本文复制引用
余权,马胜前,马冬梅..保持图像亮度的自适应局部对比度增强[J].计算机工程与应用,2015,(7):160-164,5.基金项目
国家自然科学基金（No.61162017）；甘肃省高校研究生导师项目（No.1101-03）。 （）
