Description: 利用快速傅立叶变换实现了人脸表情图像的Gabor变换的快速算法
针对不同尺度的Gabor小波特征采用不同的下采样因子来对Gabor变换特征进行第一次降维
利用一种改进的核鉴别分析方法对Gabor特征进行二次特征提取-using fast Fourier transform of Facial Expression Gabor transform the image of the fast algorithm for different foot the Gabor wavelet characteristics under different sampling factor to the Gabor transform features the first drop Shalikashvili Improved use of nuclear discriminant analysis method Gabor features second feature extraction Platform: |
Size: 32768 |
Author:zouchanjie |
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Description: 基于小波的图像多尺度方向特征提取，小波可使用 db4 -Based on wavelet multi-scale orientation of the image feature extraction, wavelet can be used DB4 Platform: |
Size: 2048 |
Author:Flora |
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Description: 针对可见光与红外图像的特点和难点，提出了可见光与红外图像配准与融合中的关键技术，即:
使用新型的基于一维最大类间方差和最大连通性测量的图像分割方法对源图像进行分割来更好地实行图像粗
配准 使用新型的特征点提取方法，特征点的匹配及误匹配的消除来更好地实行图像精配准 采用新型的基
于区域的树状小波活性测度计算来实现树状小波图像融合 利用自生成神经网络来实现模栩图像融合.
-For visible light and infrared images of the characteristics and difficulties, a visual and infrared image registration and integration of key technologies, namely: the use of new one-dimensional based on the largest variance between-class connectivity and the largest measuring method of image segmentation source image segmentation to better implementation of coarse image registration the use of a new type of feature point extraction method, feature points of the match and the elimination of false matches to better the implementation of image fine registration the use of new tree-based wavelet calculated to measure the achievement of the activity tree wavelet image fusion the use of self-generating neural network to achieve image fusion Xu mode. Platform: |
Size: 482304 |
Author:媛媛 |
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Description: 一种图像检索中纹理特征提取的方法。本文介绍了基于Gabor 滤波器和Gabor 小波变换提取纹理特征的分析方法, 以及对Gabor 小波进行了高斯归一化以提高对图像检索的速度和准确度。-An image retrieval texture feature extraction methods. This article based on Gabor filters and Gabor wavelet transform to extract texture feature analysis method, as well as Gabor Wavelet Gaussian normalized to enhance the image retrieval speed and accuracy. Platform: |
Size: 51200 |
Author:爱学习 |
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Description: 基于gabor小波变换的图像检索程序。有特征提取、特征匹配，以及结果返回。-On gabor wavelet transform based image retrieval process. There are feature extraction, feature matching, as well as the results returned. Platform: |
Size: 1024 |
Author:爱学习 |
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Description: Gabor小波变换的matlab实现，可以完成对图像的纹理特征提取，广泛应用于图像处理，模式识别等方向-Gabor wavelet transform matlab implementation can complete the image texture feature extraction is widely used in image processing, pattern recognition and so the direction of Platform: |
Size: 190464 |
Author:陈小菲 |
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Description: 本程序包括5个MATLAB程序，分别实现图像分量提取，拉普拉斯变换，图像批量格式转换，图像纹理特征提取，以及小波变换-The program includes five MATLAB programs were achieving the image component extraction, Laplace transform, image batch format conversion, image texture feature extraction, and the wavelet transform Platform: |
Size: 3072 |
Author:高绍兵 |
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Description: 小波变换是一种信号的时间—尺度分析方法，它具有多分辨率分析的
特点，而且在时频两域都具有表征信号局部特征的能力。由于其在信号处
理领域表现出的优异性能，目前在生物医学领域，广泛应用于信号检测、
特征提取、图像处理、信号压缩等方面。
-Wavelet transform is a signal of the time- scale analysis method, it has the characteristics of multi-resolution analysis, but also in time and frequency domain have the ability to characterize local signal characteristics. Signal processing because of its excellent performance shown by the current in the biomedical field, is widely used in signal detection, feature extraction, image processing, signal compression and so on. Platform: |
Size: 1928192 |
Author:Lily |
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Description: 提出了一种基于小波变换可抗击几何攻击算法。在水印嵌人
部分# 首先对宿主图像进行小波分解
、
嵌人水印, 再通过余弦变换求得该水印图像的一个特征向量, 利用该特征向量和水印
信息通过12 31 函数生成一个二值逻辑系列, 将该序列作为密钥/ 水印提取部分为# 对待测的图像进行小波变换, 再通过余
弦变换求得待测图像的一个特征向量, 利用该特征向量和密钥通过1 2 4 1 函数提取出水印。-Proposed based on wavelet transform algorithm can be against geometric attacks.# Watermark embedded in the first part of the host image wavelet decomposition, embedded watermark, and then through the cosine transform of the watermarked image obtained by a feature vector, using the feature vector and the watermark information through 1231 to generate a binary logic function series, the sequence as the key/watermark extraction part is# treated transform measured image, and then obtained through the cosine transform the image of a feature vector under test, using the feature vector and the key function by 1241 to extract the watermark . Platform: |
Size: 523264 |
Author:切尔西 |
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Description: 小波和Zernike矩的做图像特征提取的一个matlab程序，相比单独实用识别率明显改善-Wavelet and Zernike moments to do image feature extraction matlab program, compared to a separate the practical recognition rate improved significantly Platform: |
Size: 2048 |
Author:邓能辉 |
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Description: 图像特征提取程序，小波分解提取纹理特征，颜色直方图，HSV空间的颜色直方图提取程序。-image feature extraction code on matlab, wavelet decomposed for texture feature, color feature, histogram, and hsv space color histogram Platform: |
Size: 2048 |
Author:hy |
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Description: 将理论知识、科学研究和工程实践有机结合起来，内容涉及数字图像处理和识别技术的方方面面，包括图像的点运算、几何变换、空域和频域滤波、小波变换、图像复原、形态学处理、图像分割以及图像特征提取的相关内容；同时对于机器视觉进行了前导性的探究，重点介绍了两种目前在工程技术领域非常流行的分类技术——人工神经网络（ANN）和支持向量机（SVM），并在人脸识别这样的热点问题中结束《精通Matlab数字图像处理与识别》。(Combining theoretical knowledge, scientific research and engineering practice, the content involves all aspects of digital image processing and recognition technology, including point operation, geometric transformation, spatial and frequency domain filtering, wavelet transform, image restoration, morphological processing, image segmentation and image feature extraction, and the exploration of the preamble of machine vision. Two kinds of classification techniques, artificial neural network (ANN) and support vector machine (SVM), which are popular in the field of engineering and technology, are introduced in this paper, and the "master Matlab digital image processing and recognition" is finished in the hot issues such as face recognition.) Platform: |
Size: 17900544 |
Author:Xingli |
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Search - wavelet matlab image feature extraction