基于灰度世界和白点检测自动白平衡算法.pdf

第34卷第2期 电子器件 V01．34No．2 Chinese ofElectronDevices 2011年4月 Journal Apr．2011 AutomaticWhiteBalance Basedon World Algorithm Gray andWhitePointDetection JIN Binlin X诫91，GUO Huangbin。QIN CADInstitute Dianzi (MicroelectronicsofHangzhouUniversity，Hangzhou310018，China) for of Abstract：Anewautomaticwhitebalance was scene or algorithmproposed adaptivityalgorithmcomplexity basicautomaticwhitebalance of worldmodelandwhite detection were algorithms．Advantagesgray point algorithm all flowtocalculate coefficientsand whitebalance both control considerd，usingadaptive imagegain perform wasusedto the tolowerhardwarecost correction．Then，hardware-sogtware co—design implementalgorithmaiming indicate whitebalance isbetterthantraditional and testresults that，this algorithm improvealgorithmflexibility．The andcall the ofcolorcast． algorithms image preciselyadjusts white detection words：automatic Key balance；colortemperature；gray·world；whitepoint EEACC：6140C doi：10．3969／j．issn．1005—9490．2011．02．027 基于灰度世界和白点检测的自动白平衡算法 金黄斌，秦 兴+，郭斌林 (杭州电子科技大学微电子CAD研究所，杭州310018) 摘 要：针对常见的自动白平衡算法存在的图像场景适应性不足或算法复杂度过高的问题，提出了一种新的