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我经历了更多的技术。但没有什么可以解决我的查询。这些技术都不合适。图像变得模糊或完全变暗。所以,我需要一个特定的算法来调整位图图像对比度。
试试这个
http://android.okhelp.cz/bitmap-set-contrast-and-brightness-android/
希望帮助某人