Description: 在MATLAB中编写实现图像的不同级别小波分解算法；2选择合适的小波基；3对经典的几幅黑白和彩色图像进行DWT变换；4实现零树、基于塔式网格矢量量化、基于LBG算法、基于标量量化等小波变换编码；5得到分析比较结果。达到的目的：1综合训练学生编程的能力；2对高数、计算方法、程序设计、数据结构、算法、数字图像处理等课程的复习和运用；3可培养学生的算法设计和分析能力。-in MATLAB prepared to achieve different levels of image wavelet decomposition algorithm; Choice of two small Porgy; Three pairs of classic pieces of black-and-white and color images DWT; Four zero tree, grid-based Tower vector quantization, LBG-based algorithm, based on the scalar quantization Wavelet Transform Coding ; 5 analyzed the results of the comparison. The purpose : a comprehensive training program students; Two pairs of the high number and the method of computation, programming, data structures, algorithms, digital image processing and review of the curriculum used; Three students can develop the algorithm design and analysis. Platform: |
Size: 34816 |
Author:aa |
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Description: 很好的MATLAB开发源程序
基于VQ矢量量化的语音识别程序-MATLAB to develop a very good source of vector quantization VQ-based speech recognition procedures Platform: |
Size: 9216 |
Author:cq |
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Description: 实现小波变换对图像进行压缩。先进行db1小波二层分解，然后由均匀量化算法对其进行量化实现压缩。-The realization of wavelet transform for image compression. First two db1 wavelet decomposition, and then by the uniform quantization algorithm to quantify the achievement of its compression. Platform: |
Size: 163840 |
Author:宇翔 |
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Description: 由于第二代Bandelets变换是由量化步长来控制最佳Bandelet化过程，难以实现定码率图像压缩。为了解决这个问题，提
出了一种通过非线性逼近来控制最佳Bandelet化过程的方法。同时采用了沿几何流的方向小渡变换方法，直接把JPEG2000的编
解码器应用到Bandelets变换系数上进行有效的图像压缩，而无需重新构造上下文模型。实验表明，提出的压缩方法具有很好的边
缘和纹理保护能力，特别对于直线纹理图像，压缩性能优于JPEG2000标准。-Abstract：Image compression based on the second generadon Bandelets transform，whose optimized bandeletization is controlled
by quantization step，cannot realize fixed bitrate image compression．To overconae this problem。the paper presents a non-linear
approximation method to control the optimized bandeletization．Then，the oriented wavelet transform along geometric flow is adopted．
The JPEG2000 codec is direcdy employed on bandelets coefficients to implement effective image compression without changing
context model．Experiments show that the proposed compression method exceeds JPEG2000 standard in compression performance
and abil畸of image edges and texture preservation． Platform: |
Size: 319488 |
Author:lx |
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Description: 实现了小波的图像量化，包括均匀量化，WSQ标准量化，k均值矢量量化，附简明pdf报告。-Implementation of wavelet image quantification, including the uniform quantization, WSQ standards for quantification, k means vector quantization, with a concise pdf report. Platform: |
Size: 115712 |
Author:weiqiang |
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Description: 语音信号数字处理是一门涉及面很广的交叉科学，这本书介绍了语音信号的数字表示，矢量量化，隐马尔科夫模型，语音合成，语音识别，语音增强，说话人识别等知识-Speech signal digital processing is a wide-ranging cross-science, this book describes a digital representation of the speech signal, vector quantization, hidden Markov models, speech synthesis, speech recognition, speech enhancement, speaker recognition of such knowledge Platform: |
Size: 23527424 |
Author:张玉 |
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Description: This paper presents a new coding technique based on
contourlet transform and multistage vector
quantization. Wavelet based Algorithms for image
compression results in high compression ratios
compared to other compression techniques. Wavelets
have shown their ability in representing natural
images that contain smooth areas separated with
edges. Platform: |
Size: 1282048 |
Author:yen |
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Description: 基于小波变换和矢量量化的人脸图象压缩,一篇论文，喜欢的可以-Based on wavelet transform and vector quantization facial image compression, a paper can look like
Platform: |
Size: 192512 |
Author:luoqi |
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Search - wavelet quantization