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About correlation. In signal processing, cross-correlation is a measure of similarity of two waveforms as a function of a time-lag applied to one of them. This is also known as a sliding dot product or inner-product. It is commonly used to search a l
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In signal processing, cross-correlation is a measure of similarity of two waveforms as a function of a time-lag applied to one of them. This is also known as a sliding dot product or inner-product. It is commonly used to search a long duration signal
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本文提出一种基于核方法的下视等分辨率景象匹配算法. 通过模拟电荷吸引模型, 提出了计算不等维高维数据相似度的SNN 核函数. 将图像中的特征点映射到径向基向量(Radial basis vector, RBV) 空间, 利用SNN 核函数计算两个特征点集的相似度及过渡矩阵. 利用置换测试模块来增强SNN 核的稳定性, 以确保输出解的可靠性. 实验证明, 基于SNN 核的景象匹配算法对图象畸变、噪声干扰与信号缺失具有很强的鲁棒性, 并可保证高精度与高实时性.
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图像质量评价方法-Wpsnr
采用HVS的图像相似度准则计算WPSNR
下面的MATLAB程序计算两幅图像的加权峰值信噪比。相比常用的PSNR而言，考虑到HVS(human visual sytem)的影响。-Image quality uation method of image-Wpsnr similarity criteria using HVS computing program MATLAB WPSNR below the weighted peak signal
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This paper describes an approach of isolated speech recognition by using the Mel-Scale Frequency
Cepstral Coefficients (MFCC) and Dynamic Time Warping (DTW). Several features are extracted speech signal
of spoken words. An experimental of total f
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图片重建质量评估算法。计算两张图片的PSNR（Peak Signal to Noise Ratio，峰值信噪比）和SSIM（Structural Similarity Index，结构相似性）。(The measurement algorithm of image reconstruction. Compute the PSNR and SSIM between two images.)
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