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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/95877

    Title: Embedded Image Compression Using the Important-Oriented-Tree
    Authors: Hsieh, Ching-Tang;Chen, Yen-Liang;Wu, Yeh-Kuang;Kuo, Feng-Jen
    Contributors: 淡江大學電機工程學系
    Keywords: 重要空間方向性樹;嵌入式影像壓縮;小波;位元率;資料儲存;影像編碼;演算法;Important Oriented Tree;Embedded Image Compression;Wavelet;Bit Rate;Data Storage;Image Coding;Algorithm
    Date: 2000-12
    Issue Date: 2014-02-13 11:15:00 (UTC+8)
    Abstract: In this paper, we propose a simple and efficient embedded image compression algorithm. For embedded image compression, the Embedded Zerotree Wavelet (EZW) method was proposed by Shapiro. But the EZW method takes a great deal of bit-rate to record and to arrange the significant location in a 2-D image compression. To get better bit-rate and image quality, we propose a new method that is called Embedded Important-oriented-tree Wavelet (EIW). EIW bit stream will be obtained from the bitstream of Discrete Wavelet Transform (DWT) by using the correlation of relation location between subbands coefficient. By replacing the significant part of EZW bit stream with the bit stream of EIW, we don't need to sort and can save a lot of bit-rate. Simulation results showed that the proposed method obtains better low bit-rate than EZW method and also produces a fully embedded coding for 2-D image.
    Relation: 2000年多媒體軟體工程研討會=International Symposium on Multimedia Software Engineering,頁432-436
    Appears in Collections:[Graduate Institute & Department of Electrical Engineering] Proceeding

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