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Source code of the MSSIM (Mean Structure Similitary Index). MSSIM is a measure of distortion static images. It s comparing distorted image with reference image and as the result return value between 0 and 1. The quality criteria is one of the most cl
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根据)EF 特性中的对比度敏感度，
即空间频率特性曲线，对图像进行二维多级小波分解，由分解后的各小波分量，提取各频段相应的亮
度、清晰度和相关度指标；然后将这三个指标的几何平均与频段加权系数的内积做算术平均，以此作
为图像质量的综合评价指标-According to) EF characteristic of contrast sensitivity, that is spatial frequency characteristic curve, the image is two-d
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通过小波变换提取图像亮度，模糊度和相关度等多项指标综合表示图像质量，达到真正的自适应。-Extracted through the wavelet transform image brightness, degree of ambiguity and that a wide range of image quality index, the true adaptive.
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This an efficient implementation of the algorithm for calculating the universal image quality index-This is an efficient implementation of the algorithm for calculating the universal image quality index
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universal image quality index
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根据)EF 特性中的对比度敏感度，
即空间频率特性曲线，对图像进行二维多级小波分解，由分解后的各小波分量，提取各频段相应的亮
度、清晰度和相关度指标；然后将这三个指标的几何平均与频段加权系数的内积做算术平均，以此作
为图像质量的综合评价指标-According to) EF characteristic of contrast sensitivity, that is spatial frequency characteristic curve, the image is two-d
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图像质量的性能指标，设计标准差，熵，空间频率等指标-Image quality performance, the design standard deviation, entropy, spatial frequency and other indicators
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BIQI（荸荠）图像质量的评测算法，不需要标准的优质图像作为参考，返回评测的指标值介于0到100之间-This is a demonstration of the Blind Image Quality Index (BIQI).
It is an implementation of the BIQI in the reference.
The algorithm is described in:
A. K. Moorthy and A. C. Bovik, "A Modular F
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This is an implementation of the algorithm for calculating the
Structural SIMilarity (SSIM) index between two images. Please refer
to the following paper:
Z. Wang, A. C. Bovik, H. R. Sheikh, and E. P. Simoncelli, "Image
quality assess
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图像融合指标，综合熵、空间频率、互信息等等，一共7种。在图像处理后的质量评价方面很有用-Fusion index, comprehensive entropy, spatial frequency, mutual information, etc., a total of 7 species. In the image processing is useful for quality assessment
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This an efficient implementation of the algorithm for calculating the universal image quality index proposed by Zhou Wang and Alan C. Bovik. Please refer to the paper "A Universal Image Quality Index" by Zhou Wang and Alan C. Bovik, published in IEEE
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To compute pearson correlation coefficient, eme of image enhancement, image plot, image quality index, mean absolute error
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the equivalent of Zhou Wang s SSIM matlab code
//with K1 = 0.01, K2 = 0.03 and windows = ones(8) since this enables a fast implementation using summed area tables.
//the measure is described in "Image quality assessment: From error measurement to
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图像质量评价指标，是这篇文章“a universial image quality index”的源代码 -Image quality evaluation, the article " a universial image quality index" of source code
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此文档中的代码可以计算5种图像的质量参数，分别是：图像灰度均值、图像方差、图像平均梯度、熵和峰值信噪比及均方误差。-The code in this document can be calculated five kinds of image quality parameters, namely: the image gray value, image variance, average gradient image, entropy and peak signal to noise ratio
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Image Quality Measurement
- MSE (Mean Square Error)
- SNR (Signal to Noise Ratio)
- AD (Average Difference)
- SI (Speckle Index)
- PSNR (Peak Signal to Noise Ratio)
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图像质量的评价指标，结构相性度量的理论分析，有助于对图像清晰度的评价。-Image quality uation index, structure measurement of the theoretical analysis, helps in the uation of image resolution.
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用于对超分辨率重建后的重建影像进行无参考影像质量评价(the code is used for image quality measure without reference images)
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This is a demonstration of the Blind Image Quality Index (BIQI) .
It is an implementation of the BIQI in the reference.
The algorithm is described in:
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