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jiyuneirongdetuxiangjiansuo

于 2011-04-16 发布文件大小:39KB

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代码说明：

说明：基于内容的图像检索，包括纹理、形状、颜色(Content-based image retrieval, including texture, shape, color)

文件列表：

基于内容的图像检索
..................\about.fig,1536,2010-12-02
..................\about.m,3173,2009-05-17
..................\ColorHistogram.m,3621,2010-12-31
..................\Shape.m,4689,2010-12-18
..................\Texture.m,4182,2010-12-18
..................\untitled.fig,28874,2011-01-05
..................\untitled.m,19207,2011-04-13

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snake
主动轮廓模型也就是snake模型进行图像分割，一种由图像高层信息的图像分割算法。(snake model，active contour model，image segmentation)

2020-12-20 19:09:08下载

积分：1
SURF-based-image-stitching
SURF算法作为一种新近出现的特征提取方法，在重复度、独特性、鲁棒性3个方面，均超越或接近以往提出的同类方法，并在计算效率上具有明显的优势。本代码采用SURF算法检测图像并进行坐标变换与图像拼接。采用SURF算法对图像进行检测，其主要是用Hessian矩阵对图像进行检测，对图像的特征提取之后找到图像的特征点。之后采用最近临快速匹配（NN）、随机抽样一致性（RANSAC）算法和最小二乘法参数优化（LM）对特征点进行提纯匹配。最后在两幅图像中进行坐标变换，达到统一坐标系和图像拼接的效果。 (SURF（Speeded Up Robust Features） as a method of feature extraction which newly appeared is over or nearly previous method on duplication, uniqueness, and robustness and have a clear advantage on computational efficiency. This code uses the SURF and coordinate transformation algorithm to detect image and image matching. This code uses the SURF algorithm of image detection, the main is to use the Hessian matrix of image for testing, to find the image after image feature extraction of feature points. After we used Nearest Neighbor (NN), Random Sample Consensus (RANSAC) algorithm and least square parameter optimization for purification of matching feature points. Coordinate transformation in the last two images, to coordinate system to achieve the same image stitching. )

2014-08-30 15:12:42下载

积分：1
computer_vision-master
说明：图像特征提取，有SIFT、BOW、VLAD、LBP、HOG、FishVector、gist、Metric、colorhist。(Image feature extraction, including SIFT, BOW, VLAD, LBP, HOG, FishVector, gist, Metric, colorhist.)

2019-07-20 20:53:34下载

积分：1
testQXD
图像清晰度测量的算法,算法基础,易懂,适合初次接触图象清晰度的人入门用(Image sharpness measurement algorithm based on, easy to understand for the initial contact with the image clarity of a person entry with)

2008-03-06 09:43:26下载

积分：1
FFBP
扇束反投影滤波,这是一个通过反投影滤波法重建CT图像的 matlab程序(dgfgdg dgrehj )

2012-01-03 22:48:52下载

积分：1
Gaussian-Particle-Filter
高斯粒子滤波算法详解及举例，模式转移矩阵计算，采样算法等，注释清晰(Gaussian Particle Filter algorithm description and examples)

2013-01-09 18:52:55下载

积分：1
FSIM
Zhang等人利用相位一致性信息的特性，提出了特征相似性方法(FSIMG) ，选取了相位一致性信息和梯度信息作为它的两个特征，得到了较好的结果。 (A novel feature similarity (FSIM) index for full reference IQA is proposed based on the fact that human visual system (HVS) understands an image mainly according to its low-level features. Specifically, the phase congruency (PC), which is a dimensionless measure of the significance of a local structure, is used as the primary feature in FSIM. Considering that PC is contrast invariant while the contrast information does affect HVS’ perception of image quality, the image gradient magnitude (GM) is employed as the secondary feature in FSIM. PC and GM play complementary roles in characterizing the image local quality. After obtaining the local quality map, we use PC again as a weighting function to derive a single quality score. Extensive experiments performed on six benchmark IQA s demonstrate that FSIM can achieve much higher consistency with the subjective uations than state-of-the-art IQA metrics.)

2015-09-16 19:18:45下载

积分：1
hog_matlab
hog 特征基于matlab的 RGB提取(realize the hog feature)

2019-04-02 09:57:26下载

积分：1
Regularized_Newton_Residual_algorithm
一种使用牛顿迭代的超分辨算法，该算法以2的对数提高传统Landweber算法的运算速度，附带文章。(The problem of poor resolution of acquired image in the passive millimeter wave imaging stems mainly from antenna size limitations, thus necessitating efficient post-processing to achieve resolution improvements. A novel image super-resolution algorithm, Regularized-Newton-Residual (RNR) algorithm, is proposed for Passive Millimeter wave imaging (PMMW). First Newton inversion algorithm is introduced into the field of image restoration. The iterative scheme of Newton algorithm is deduced based on normal equation. Then, residual method is employed to achieve better performance and implement spectrum extrapolation. Experimental results demonstrate the algorithm is insensitive to noise distribution. Furthermore it has high super-resolution rate and fast convergence speed. )

2021-04-29 00:08:43下载

积分：1
4
说明：图象压缩方面的论文可用于毕业设计方面的工作(Image compression can be used for graduate thesis work of design)

2010-05-26 20:22:00下载

积分：1

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