Description: 利用97小波变换进行图像压缩，用matlab仿真，实验证明它具有较高的压缩比-using wavelet transform image compression using Matlab simulation experiment to prove that it has a higher compression ratio Platform: |
Size: 48128 |
Author:李江涛 |
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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: Matlab环境下利用Daubechies小波族中的db10小波对散斑退化图像进行了压缩数值仿真研究。研究表明：阈值以及分解层次的选取影响着图像压缩的质量。-Matlab environment using Daubechies wavelet tribal db10 wavelet the withdrawal of speckle image compression for the numerical simulation. Research shows : the threshold level of decomposition is influenced by the quality of image compression. Platform: |
Size: 4096 |
Author:安 |
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Description: 用MatLab实现图像压缩。以真彩图像的处理为例，对由它转换来的彩色索引矩阵进行二进小波多层分解，对低频近似的系数矩阵作相应的截取处理，以及优化索引图像的彩色图。-Realize image compression using MatLab. To deal with true color images for example, by its conversion to the color index matrix dyadic wavelet decomposition of multi-storey, low-frequency approximation of the coefficient matrix for the corresponding interception treatment, as well as the optimization of image color map index. Platform: |
Size: 446464 |
Author:郝鹏翼 |
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Description: 利用小波提升算法和huffman编码进行图像的无算压缩，压缩比约50％，vc6编译-Using Wavelet Lifting Scheme and huffman coding image without operator compression, the compression ratio of about 50, vc6 compiler Platform: |
Size: 54272 |
Author:vic |
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Description: 使用小波变换进行图象压缩,实现图象的压缩和解压.不错的程序,希望大家可以享用,并多多指导. -Using wavelet transform image compression to achieve image compression and decompression. Good program, I hope everyone can enjoy, and a lot of guidance. Platform: |
Size: 34816 |
Author:liulili |
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Description: A paper that I presented on Supervisory Control and Data Acquisition (SCADA) won the second prize at the symposium conducted by the Electrical and Electronics Engineering department of the SRM University. Other topics on which I presented papers were Performance enhancement of wireless sensor networks using directional antennas, Smart card application and wireless communication. Also my research idea titled “Wavelet Based Image Compression Using SPIHT Algorithm “secured third prize in a technical festival. Platform: |
Size: 522240 |
Author:ajeeth |
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Description: matlab 做的双正交小波变换，用于图像压缩处理（仅供大家参考）-biorthogonal digital wavelet transform by using matlab,for digital image compression and processing Platform: |
Size: 3072 |
Author:zhoulei |
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Description: The following implementation steps have been made for the devised algorithm, which is based on 2D-wavelet.
1. Reading an image of either gray scale or RGB image.
2. Converting the image into grayscale if the image is RGB.
3. Decomposition of images using wavelets for the level N.
4. Selecting and assigning a wavelet for compression.
5. Generating threshold coefficients using Birge-Massart strategy.
6. Performing the image compression using wavelets.
7. Computing and displaying the results such as compressed image, retained energy and Zero coefficients.
8. Decompression the image based on the wavelet decomposition structure.
9. Plotting the reconstructed image.
10. Computing and displaying the size of original image, compressed image and decompressed image. Platform: |
Size: 1024 |
Author:fer |
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Description: 用小波变换和LGB编码的方法压缩黑白图片。对图像进行小波变换后，仅对细节系数进行压缩，而且不同小波变换层的细节系数的压缩程度不一样。-Using wavelet transform and coding method LGB compress black and white picture. After the wavelet transform of the image, only the details of the coefficient is compressed, and different layers of the details of the wavelet transform coefficients hold different compression levels. Platform: |
Size: 789504 |
Author:Yin |
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Description: Program to simulate the image compression and decompression using wavelet transformation. this program uses the matlab m codes for coding. Platform: |
Size: 1024 |
Author:cpudnt |
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Description: MATLAB下小波变换的原理教程及示例 包括：一维线性非线性近似、二维线性非线性近似、使用线性滤波过滤噪声、使用小波门限消除噪声、使用小波变换压缩一维信号、二维小波图像压缩等等。-MATLAB wavelet transform under the principle of tutorials and examples include: one-dimensional linear non-linear approximation, two-dimensional linear non-linear approximation, using linear filtering, filtering noise, and the use of wavelet thresholding to eliminate noise, the use of one-dimensional wavelet compression signal, two-dimensional wavelet image compression and so on. Platform: |
Size: 4329472 |
Author:lym |
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Description: the source code used for image compression using wavelet transform. to use this codes u have to first convert RGB image to grayscale and also its colourmap Platform: |
Size: 1024 |
Author:santosh |
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Search - image compression using wavelet