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DCT_JPEG
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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zernike_ydiff
zernike不变矩。特征提取方法。基于形状的特征提取方法。(zernike moment invariants. Feature extraction methods. Shape-based feature extraction method.)
- 2014-06-18 18:25:32下载
- 积分：1
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用ＷＰＦ写的转盘,分享给大家学习
用ＷＰＦ写一个简单的转盘
- 2014-04-25下载
- 积分：1
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picture
基于灰度的两幅图像配准算法，两个程序，可以实现相关系数和PFC算法(Based on Gray' s two image registration algorithm, the two procedures, the correlation coefficient can be achieved and the PFC algorithm)
- 2009-11-13 16:11:56下载
- 积分：1
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main
基于分水岭自动选取种子的区域生长来进行彩色图像分割(Automatically selected based on the watershed to the seed region growing for color image segmentation)
- 2010-05-18 10:15:44下载
- 积分：1
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cifti-matlab-master
说明： 能够对MRI数据进行功能成像，对于脑动态的检测具有重要意义(The ability to perform functional imaging on MRI data is of great significance for the detection of brain dynamics)
- 2020-05-31 15:51:05下载
- 积分：1
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xiangji
专门用于测试数码相机的分辨率使用,有实验用图(Specifically for use in testing digital camera resolution)
- 2013-09-08 23:27:46下载
- 积分：1
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k_t指数
在对多光谱遥感影像进行大气校正处理以后，可以利用K_T变换矩阵对其进行水体提取，该算法效果较好(After the atmospheric correction of the multispectral remote sensing image, the water body can be extracted by using the k transform matrix, and the effect of the algorithm is good.)
- 2019-05-23 20:24:51下载
- 积分：1
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FVC2004
说明： FVC2004指纹数据库下载,希望帮到有需要的朋友.(FVC2004 Fingerprint Database)
- 2019-04-11 14:19:52下载
- 积分：1
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quyushengzhang
通过循环去多个种子点实现基于区域生长的图像分割(Achieve image segmentation based on region growing cycle to go through multiple seed points)
- 2021-04-14 16:38:55下载
- 积分：1
