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BER performance in QPSK modulation

A implementation of support vector regression in matlab.

灰色预测程序，可实现简单的二维数据的预测，简单方便实用(Grey procedures, can be a simple two-dimensional data projections, simple and practical)

to detect the skin color

This is a MATLAB implementation of the SIFT keypoint detector and descriptor (do_gaussian: generate Gaussian scale space of input image do_diffofg: generate Difference of Gaussian (DoG) scale space do_localmax: local extrema as the potential keypoints do_extrefine: refine the keypoints by discarding the ones with low contrast and along an edge do_orientation: compute the orientation of a support region of keypoint do_descriptor: compute the descriptor of a keypoint based on image gradients. do_match: match two images based on the nearest neighbor principle and spatial consistency. do_sift: generate the SIFT descriptors for a given input image. It basically s all the functions above. )

人脸识别，包含人脸库，gui界面程序，识别程序(Face recognition, including face , gui interface program, recognition programs)

人脸识别的一个图片库40人每个10张图像(Recognition of a picture gallery of 40 images each of 10)

极性LMS自适应滤波器，实现信号的自适应滤波作用(Polarity LMS adaptive filter, adaptive filter to achieve the role of signal)

自编Kalman滤波算法仿真示例程序Matlab版(Kalman filtering algorithm own procedures Matlab simulation sample version)

matbal100小程序例子，供初学或急用matlab者分享。(matbal100 small program examples for the beginner or emergency matlab share.)