to enhance target discrimination of halation pictures

original:one from Ikiikiphoto contest

スクリーンショット 2016-02-28 9.43.54

Common traits of whitened pictures are lack of lower value pixels(as right down graph) and centered saturation(as right up graph). The result of extension of these two distributions is shown below.

スクリーンショット 2016-02-28 9.44.34

Saturation might be a little excessive, but targets in the picture become discriminative for sure.

every buds of white quince stand up toward the heaven

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