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Non-linear Filter Response Distributions of Natural Colour Images

机译：自然彩色图像的非线性滤波响应分布

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摘要

We observe a non-Gaussian heavy tailed distribution for the non-linear filterrnγ(U)(r) =U(r) - ∑_(s∈N(r) w(Y)_(rs)U(s),(1)rnapplied to the chromacity channel 'U' (and equivalently to 'V') on individual natural colour images in the colour space YUV. We fit a Generalised Gaussian Distribution (GGD) to the histogram of the filter response, and observe the shape parameter (α) to lie within the range 0 < α < 2, but rarely α > 1.

机译：我们观察到非线性滤波器rn（U）（r）= U（r）-∑_（s∈N（r）w（Y）_（rs）U（s），（ 1）应用于色彩空间YUV中单个自然彩色图像上的色度通道“ U”（等效于“ V”），我们对滤波器响应的直方图拟合了广义高斯分布（GGD），并观察了形状参数（α）在0 <α<2的范围内，但很少在α> 1的范围内。

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来源
《Computational color imaging》|2009年|101-108|共8页
会议地点 Saint-Etienne(FR);Saint-Etienne(FR)
作者
Alexander Balinsky; Nassir Mohammad;
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作者单位

School of Mathematics, Cardiff University, Cardiff, CF24 4AG, UK;

rnSchool of Mathematics, Cardiff University, Cardiff, CF24 4AG, UK Hewlett Packard Laboratories, Bristol, BS34 8QZ, UK;

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会议组织
原文格式 PDF
正文语种 eng
中图分类信息处理（信息加工）;
关键词
non-gaussian statistics; image colorization; non-linear filter response; natural colour statistics;

机译：非高斯统计；图像着色；非线性滤波器响应；自然色统计;

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3. A technique for generating natural colour images from false colour composite images [J] . S. K. PATRA, MANISH SHEKHER, S. S. SOLANKI, International journal of remote sensing . 2006,第12a14期

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Non-linear Filter Response Distributions of Natural Colour Images

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