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demo_ASIFT_Win

于 2013-01-22 发布文件大小:6342KB

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下载积分: 1 下载次数: 188

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代码说明：

ASIFT图像特征提取源代码，有测试图片和demo(ASIFT image feature extraction source code, test images and demo)

文件列表：

demo_ASIFT_Win

..............\demo_ASIFT.asv,4718,2011-07-08
..............\demo_ASIFT.m,4718,2011-07-08
..............\demo_ASIFTSetup.exe,5835264,2011-01-09
..............\LICENSE.txt,2404,2011-04-20
..............\README.txt,3388,2011-04-30
..............\test_demo_ASIFT.m,1511,2011-07-08

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内含盲均衡与盲解卷算法matlab程序，用于盲信号处理领域(intron blind equalization and blind deconvolution algorithm Matlab procedures for the blind signal processing field)

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说明： Matlab 实现一维 PCA 压缩解压图像，可以设置 eigen value 数目，观看压缩结果。(Matlab to achieve one-dimensional PCA-extracting compressed images, the number of eigen value can be set to watch the results of compression.)

2009-08-07 10:00:48下载

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对图像进行转换，RGB转HSV、HSV转RGB以及色调偏移(Image conversion, RGB to HSV, HSV to RGB and hue offset)

2012-10-31 08:18:44下载

积分：1
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数值实现施瓦兹-克里斯多夫变换可将一般区域保角映射为单位圆，条形带，方形等等基本区域，包含manual. matlab源码，有GUI，可实现点、点映射的显示(Numercial realization of the Schwarz-Christoffel Conformal Mapping)

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给予matlab的JPEG压缩程序，包含原始压缩图片，程序对灰度bmp图片进行JEPG编码，压缩成以0101形式的编码。JPEG编码先把图象色彩RBG变成亮度Y和色度Cr、Cb，它利用人的视觉对色度不敏感的特点，减少一部分色度数据，以达到压缩。 JPEG采取多种编码方式，包含有行程编码(Run Length Coding)和哈夫曼(Huffman)编码，有很高的压缩比。在编码前，先对数据进行分块，离散余弦变换（DCT）及量化，保留能量大的低频信号，丢弃高频信号以达到压缩。(Given to the JPEG compression matlab program, contains the original compressed image, the program of the grayscale bmp picture JEPG encoded, compressed into a 0101 form of encoding. RBG color coded JPEG image into a first luminance Y and chrominance Cr, Cb, which uses the human visual characteristics is not sensitive to the color, reduce the number of color data to achieve compression. Take a variety of JPEG encoding, includes length coding (Run Length Coding) and Huffman (Huffman) coding, a high compression ratio. In the code before the data block, discrete cosine transform (DCT) and quantization, to retain a large low-frequency signal energy, discarding high-frequency signals in order to achieve compression.)

2011-05-16 17:00:59下载

积分：1

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demo_ASIFT_Win

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