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fingerprint-feature-extraction-

于 2012-08-20 发布文件大小:447KB

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下载积分: 1 下载次数: 68

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本文设计了一套指纹图像预处理和指纹特征提取算法, 利用方向滤波的方法对原始图像进行增强,使用改进的细化算法进行细化, 最后基于脊线跟踪的方法, 用改进的算法更为简洁而有效地避免了各种伪特征。设计的算法经Matlab 实现, 实验效果良好。(Designed a fingerprint image and fingerprint feature extraction algorithm using directional filtering the original image enhancement, improved thinning algorithm refinement, the last ridge line tracking method, the improved algorithm is more simple and effective way to avoid the pseudo-characteristic. Design algorithm with Matlab, the experiment well.)

文件列表：

指纹图像预处理和特征提取算法的Matlab实现.pdf,503026,2012-08-20

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SR
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2011-04-24 16:11:40下载

积分：1
LBP.cpp
LBP算子的实现源代码，可以根据LBP算子来对2张图片的相似度进行比较，值越小，图像越相似。(LBP operator realization of the source code, you can compare LBP operator to the similarity of the two pictures, the smaller the value, the more similar the image.)

2021-01-19 17:18:41下载

积分：1
基于DCT变换的数字水印算法
说明：基于DCT域的图像数字水印技术，水印嵌入过程，提取过程，以及嵌入水印的抗干扰性等。(Based on the DCT domain image digital watermark technology, watermark embedding process, extraction process, as well as embedded watermark anti-interference and so on.)

2021-02-22 17:49:41下载

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最小二乘法估计仿射矩阵
目前MATLAB里边对于多点计算仿射矩阵普遍采用RANSAC法，但是比较麻烦计算量也相对较大，通过最小二乘法来进行仿射矩阵的估计能够大大提高该效率，所以奉上自己在实验室写的仿射矩阵估计函数，来弥补matlab函数库在这方面的不足。(The MATLAB inside for calculating affine matrix commonly used RANSAC method, but more trouble calculation is relatively large, estimated by the least squares method to the affine matrix can greatly improve the efficiency, so give yourself in laboratory to write the estimated affine matrix function, to compensate for the lack of MATLAB Library in this area.)

2018-02-01 17:11:33下载

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two-dimension code
说明： QR二维码识别中在对图像预处理后最重要的一步就是要进行定位，QR二维码中有三个位置探测图形，通过扫描其特征便可以进行精细定位，提出了一种新的算法用于筛选候选点。(In QR code recognition, the most important step after image preprocessing is to locate. There are three position detection patterns in QR code, which can be precisely located by scanning its features. A new algorithm is proposed to screen candidate points.)

2020-04-09 22:40:35下载

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dip.readAndwrite
A MFC demo which can read, write and display images

2010-12-22 17:11:40下载

积分：1
Remark-WatershedSegmentation
说明：性能上比经典分水岭有很大的提高。特别对于自然图像的分割，效果特别好。(Performance than the classical watershed have greatly improved. Especially for natural image segmentation, the effect particularly good.)

2008-11-06 17:19:04下载

积分：1
MEAN_ratio
说明：均值比差异图生成，用于SAR图像变化检测，生成差异图(mean ratio difference map generation, used for SAR image change detection, generate difference map)

2021-03-30 08:59:10下载

积分：1
SAR_banmatu_ultimate_success
该m文件是用来仿真合成孔径雷达SAR的斑马图，即菱形图的，是本人自己设计的，可用。(M file is used to simulate the synthetic aperture radar SAR zebra figure, namely diamond chart, is my own design, is available.)

2021-01-06 23:28:54下载

积分：1
代码
说明：用jpeg对图像进行编码解码，里面包含界面，以及图片(Using JPEG to encode and decode the image)

2020-12-22 10:25:59下载

积分：1

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