Description: WAVELET BASED COMPRESSION,本程序用matlab工具编程实现了小波变换进行图像压缩,并且显示压缩前后的图像。代码很简明清晰,适合初学者研究和学习。-WAVELET BASED CPSV, the procedures used Matlab programming tools of wavelet transform for image compression, and compression shown before and after images. Code is simple clear and suitable for beginners to study and emulate. Platform: |
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Author:陆游 |
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Description: 介绍了JPEG图像压缩算法,并在MATLAB 数学分析工具环境下从实验角度出发,
较为直观地探讨了DCT 在JPEG图像压缩中的应用。仿真实验表明,用MATLAB 来实现离散余弦
变换的图像压缩,具有方法简单、速度快、误差小的优点,大大提高了图像压缩的效率和精度。
李秀敏1 , 万里青1 , 周拥军2
(1. 河南科技大学电子信息工程学院,河南洛阳 471003 2. 中航一集团洛阳电光设备研究所,河南洛阳 471009)-introduced the JPEG image compression algorithm, MATLAB and mathematical analysis tool environment from experimental perspective, more directly on the DCT in JPEG image compression applications. Simulation results show that the use MATLAB to achieve discrete cosine transform image compression method is simple, fast, the advantages of a small error, which has greatly enhanced the efficiency of image compression and accuracy. LI Xiu-1, Green 1 Wanli, Zhou Yongjun 2 (1. Henan University of Science and Technology of Electronics and Information Engineering College, Luoyang, Henan 471003 2. A350 Luoyang Electro-Optic Equipment Institute, Luoyang, Henan 471009) Platform: |
Size: 108544 |
Author:adnsid |
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Description: 利用小波分解与重构,实现图像压缩,可灵活选用其他小波,简单易懂,特别适合小波初学者.-using wavelet decomposition and reconstruction, image compression, the flexibility to choose other wavelet is simple to understand and Wavelet particularly suitable for beginners. Platform: |
Size: 1024 |
Author:whq |
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Description: 利用小波分解与重构,实现图像去噪和压缩,可灵活选用其他小波,简单易懂,特别适合小波初学者.-using wavelet decomposition and reconstruction, Image Denoising and Compression, the flexibility to choose other wavelet is simple to understand and Wavelet particularly suitable for beginners. Platform: |
Size: 1024 |
Author:whq |
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Description: Image Compression
A collection of simple routines for image compression using different techniques.
BTCODE:
Image compression Using Block Truncation Coding.
PYRAMID:
Image compression based on Gaussian Pyramids.
DCTCOMPR:
Image compression based on Discrete Cosine Transform.
-Image Compression A collection of simple r outines for image compression using different techniques. BTCODE : Image compression Using Block Truncation Codi Vi. PYRAMID : Image compression based on Gaussian Pyramids. DCTCOMPR : Image compression based on Discrete Cosine trapidil nsform. Platform: |
Size: 9216 |
Author:like |
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Description: 一个简单对图象进行JPEG图像压缩算法。希望对大家有所帮助-A simple image to JPEG image compression algorithm. I hope all of you to help Platform: |
Size: 1024 |
Author:yangmengling |
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Description: 根据奇异值分解的基本原理及其特点,给出了运羽奇异值分解进行图像压缩的方法.通过简单的例子说明了该方法进行图像压缩的基本过程,给出了压缩流程.并通过MATLAB编程对实际图像进行处理,表明了该方法的有效性.-Singular value decomposition in accordance with the basic principles and characteristics are given plume transported singular value decomposition for image compression method. Through simple examples to illustrate the methods of the basic process of image compression, the compression process is given. Through MATLAB programming deal with the actual images shows the effectiveness of the method. Platform: |
Size: 181248 |
Author:liulei |
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Description: ezw编码,外加haar基变换,简单明了,适合初学者-EZW coding, plus the base haar transform, simple and clear, suitable for beginners Platform: |
Size: 154624 |
Author:wangyun |
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Description: 小波变换在图像处理中应用于图像分析,图像压缩,图像去噪等。本文就小波变换理论和matlab语言的小波分析工具箱做了简单阐述。-Wavelet transform in image processing applied to image analysis, image compression, image denoising, etc.. In this paper, wavelet transform theory and wavelet analysis matlab language to do the simple toolbox on. Platform: |
Size: 871424 |
Author:wangrui |
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Description: Image Compression
A collection of simple routines for image compression using different techniques.
BTCODE:
Image compression Using Block Truncation Coding.
PYRAMID:
Image compression based on Gaussian Pyramids.
DCTCOMPR:
Image compression based on Discrete Cosine Transform.
IMCOMPR:
Image compression based on Singular Value Decomposition.
The given codes can be also used in 2D noise suppression.
Platform: |
Size: 10240 |
Author:林明 |
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Description: 实验目的
本次实验与书中第二章及3.2节的部分内容有关,包括以下几个部分:
(1)开始使用MATLAB
(2)显示图像,理解图像的模型
(3)使用图像的不同格式,理解图像压缩的意义
(4)对图像做简单的操作
本次实验需要熟练使用以下几个MATLAB命令:
imread, imwrite, imshow,figure
-Experimental purposes of this experiment with the book, chapter and part of the contents of 3.2, including the following sections: (1) start using MATLAB (2) show the images, understanding image model (3) the use of images in different formats, understand the significance of image compression (4) on the image to do a simple experiment needs to operate the skilled use of the following MATLAB command: imread, imwrite, imshow, figure Platform: |
Size: 1024 |
Author:Victor |
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Description: 实验目的:
1) 图像水平集合
2) 图像加密算法
3) 边缘提取
4) 噪音图像的产生
(2)显示图像,理解图像的模型
(3)使用图像的不同格式,理解图像压缩的意义
(4)对图像做简单的操作
本次实验需要熟练使用以下几个MATLAB命令:
imread, imwrite, imshow,figure
-Experimental purposes: 1) the level of collection of image 2) image encryption algorithm 3) Edge 4) noise generated images (2) display images, understanding image model (3) the use of images in different formats, understanding the significance of image compression (4) image to do a simple experiment needs to operate the skilled use of the following MATLAB command: imread, imwrite, imshow, figure Platform: |
Size: 6144 |
Author:Victor |
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Description: The discrete cosine transform (DCT) is a technique for converting a signal into elementary
frequency components. It is widely used in image compression. Here we develop some simple
functions to compute the DCT and to compress images.
These functions illustrate the power of Mathematica in the prototyping of image processing
algorithms.
The Platform: |
Size: 62464 |
Author:almolla |
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Description: 整数小波变换与图像压缩 用MatLAB实现图像的整数小波变换,对行和列各做一次。采用最简单的S小波,它是Haar变换的整数形式。-integral wavelet transform and image compression .To realize the integral wavelet transform based on the Matlab in rows and columns. Using the simple S wavelet ,which is integral form of the Haar transform Platform: |
Size: 1024 |
Author:李颀 |
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Description: 一系列展示图像压缩技术的源代码。包括有:使用块截断编码的图像压缩(Block Truncation)、基于高斯金字塔变换的图像压缩(Gaussian Pyramids)、基于离散余弦变换对图像压缩(Discrete Cosine Transform)、基于奇异值分解(SVD)的图像压缩(Singular Value Decomposition)。给出的代码还可以用于2D图像噪声消除。-Image Compression
A collection of simple routines for image compression using different techniques.
BTCODE:
Image compression Using Block Truncation Coding.
PYRAMID:
Image compression based on Gaussian Pyramids.
DCTCOMPR:
Image compression based on Discrete Cosine Transform.
IMCOMPR:
Image compression based on Singular Value Decomposition.
The given codes can be also used in 2D noise suppression.
Notes:
The function "conv2fft" performs a 2D FFT-based convolution.
Type "help conv2fft" on Matlab command window for more informations. Platform: |
Size: 56320 |
Author:依米 |
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