| 整数小波变换和EZW编码在基于ROI图像渐进传输中应用研究 |
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| 引用本文： | 王晓芳,杨荣荣. 整数小波变换和EZW编码在基于ROI图像渐进传输中应用研究[J]. 计算机应用与软件, 2007, 24(1): 137-139 |
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| 作者姓名： | 王晓芳 杨荣荣 |
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| 作者单位： | 山东轻工业学院电子信息与控制工程学院,山东,济南,250353;中国海洋大学工程学院,山东,青岛,266071 |
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| 摘 要： | 整数小波变换能够克服浮点数小波变换所带来的缺陷,是一种真正意义上的无损可逆小波变换,基于整数小波变换的EZW编码是一种嵌入式编码技术,能够有效地应用于图像的压缩与渐进传输.介绍了整数小波变换和EZW编码的工作原理,然后将它们应用于ROI图像压缩与渐进传输,并给出了实验结果.
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| 关 键 词： | 整数小波变换 EZW编码 ROI编码 渐进传输 |
| 修稿时间： | 2004-09-27 |
INTEGER WAVELET TRANSFORM AND EZW CODING USED IN ROI BASED IMAGE PROGRESSIVE TRANSMISSION |
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| Wang Xiaofang,Yang Rongrong. INTEGER WAVELET TRANSFORM AND EZW CODING USED IN ROI BASED IMAGE PROGRESSIVE TRANSMISSION[J]. Computer Applications and Software, 2007, 24(1): 137-139 |
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| Authors: | Wang Xiaofang Yang Rongrong |
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| Affiliation: | 1, School of Electronic Information and Contrd Engineering ,Shandong lnstitute of Light Industry, Jinan Shandong 250353, China;3,School of Engineering, Ocean University of China,Qingdao Shandong 266071, China |
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| Abstract: | Integer wavelet transform can overcome the defects of float-point wavelet transform,EZW coding based on integer wavelet transform is an embedded coding technique and can be applied to image compression and progressive transmission effectively.This paper firstly introduces the basic principles of integer wavelet transform and EZW coding,then applies them to ROI based image compression and progressive transmission,finally provides the experimental results. |
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| Keywords: | Integer wavelet transform EZW coding ROI Progressive transmission |
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