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Fast and easy detection based on spectral residual approach 残差谱理论的显著性检测

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visual-saliency-detection

Fast and easy detection based on spectral residual approach

基于谱残差/余谱理论的显著性检测, 其实就是频域上由对数谱减去平滑曲线.
据作者的理论与人类视觉预处理阶段有异曲同工之处, 通过观察大量自然图像的对数谱发现其分布较为一致, 现在通过某种算法或者先验信息给出其分布, 再用log谱减去该分布所得到的奇点即为显著点.
算法简单快速而有效, 经过调整后可以用于数据筛选等用处.
based on Saliency detection: A spectral residual approach

My result :
01
23

需要注意的是数据的大小会影响结果, 一般来讲小图得到图中目标整体较大的区域, 而大图则得到目标的细节.
Size of image will influence the result

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Fast and easy detection based on spectral residual approach 残差谱理论的显著性检测

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