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检索条件"主题词=zerotree coding"
36 条 记 录,以下是11-20 订阅
排序:
A fast convolution algorithm for biorthogonal wavelet image compression
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JOURNAL OF THE CHINESE INSTITUTE OF ENGINEERS 1999年 第2期22卷 179-192页
作者: Wu, BF Su, CY Natl Chiao Tung Univ Dept Elect & Control Engn Hsinchu 300 Taiwan Natl Taiwan Normal Univ Dept Ind Educ Taipei 106 Taiwan
Symmetric filters and symmetric extension of image edges have been widely used in wavelet image compression. Since the filters are symmetric, it is possible to take advantage of the symmetric property to reduce the co... 详细信息
来源: 评论
Geometric compression of a quadrilateral mesh
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COMPUTERS & MATHEMATICS WITH APPLICATIONS 2008年 第6期56卷 1597-1603页
作者: Chen, Ren Luo, Xiaonan Xu, Hao Sun Yat Sen Univ Inst Comp Applicat Guangzhou 510275 Guangdong Peoples R China Sun Yat Sen Univ Minist Educ Key Lab Digital Life Guangzhou 510275 Guangdong Peoples R China
A new progressive compression algorithm for arbitrary topology with highly detailed triangle meshes is proposed in this paper. We firstly parameterize the original triangle mesh to a regular quadrilateral approximatio... 详细信息
来源: 评论
Group testing for image compression
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IEEE TRANSACTIONS ON IMAGE PROCESSING 2002年 第8期11卷 901-911页
作者: Hong, ES Ladner, RE Univ Washington Dept Comp Sci & Engn Seattle WA 98195 USA
This paper presents Group Testing for Wavelets (GTW), a novel embedded-wavelet-based image compression algorithm based on the concept of group testing. We explain how group testing is a generalization of the zerotree ... 详细信息
来源: 评论
Progressive space frequency quantization for SAR data compression
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IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING 2002年 第1期40卷 3-10页
作者: Gleich, D Planinsic, P Gergic, B Cucej, Z Univ Maribor Fac Elect Engn & Comp Sci Signal Proc Lab SLO-2000 Maribor Slovenia
In this paper, we propose a new wavelet image coding technique for synthetic aperture radar (SAR) data compression called a progressive space-frequency quantization (PSFQ). PSFQ performs spatial quantization via rate ... 详细信息
来源: 评论
Multiscale Representation and Compression of 3-D Point Data
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IEEE TRANSACTIONS ON MULTIMEDIA 2009年 第1期11卷 177-182页
作者: Park, Sung-Bum Lee, Sang-Uk Samsung Elect Co Ltd Digital Media R&D Ctr Multimedia Platform Lab Suwon South Korea Seoul Natl Univ Sch Elect Engn Signal Proc Lab Seoul South Korea
A compact representation scheme is presented for 3-D point data. To describe underlying surface from raw point samples, we dyadically divide a 3-D domain enclosing whole points. Then, local points in each cube are app... 详细信息
来源: 评论
Linked significant tree wavelet-based image compression
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SIGNAL PROCESSING 2008年 第10期88卷 2554-2563页
作者: Muzaffar, Tanzeem Choi, Tae-Sun Gwangju Inst Sci & Technol Dept Mechatron Kwangju 500712 South Korea
This paper proposes a new linked significant tree (LST) wavelet coding method for improved compression of images. The proposed method first links all the significant coefficients together within a wavelet tree to faci... 详细信息
来源: 评论
Non-RAM-based architectural designs of wavelet-based digital systems based on novel nonlinear I/O data space transformations
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IEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION (VLSI) SYSTEMS 2005年 第1期13卷 58-74页
作者: Peng, DM Lu, M Univ Nebraska Dept Comp & Elect Engn Omaha NE 68182 USA Texas A&M Univ Dept Elect Engn College Stn TX 77943 USA
The designs of application specific integrated circuits and/or multiprocessor systems are usually required in order to improve the performance of multidimensional applications such as digital-image processing and comp... 详细信息
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An improved wavelet-based image coder for embedded greyscale and colour image compression
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AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS 2017年 73卷 183-192页
作者: Brahimi, Tahar Laouir, Farid Boubchir, Larbi Ali-Cherif, Arab Jijel Univ Dept Elect Res Lab L2EI BP 98 Ouled Aissa Jijel 18000 Algeria Univ Paris 08 LIASD Res Lab 2 Rue Liberte F-93526 St Denis France
The embedded zero-tree wavelet (EZW) coding algorithm is a very effective technique for low bitrate still image compression. In this paper, an improved EZW algorithm is proposed to achieve a high compression performan... 详细信息
来源: 评论
The impact of tree structures on the performance of zerotree-based wavelet video codecs
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SIGNAL PROCESSING-IMAGE COMMUNICATION 2010年 第3期25卷 179-195页
作者: Moinuddin, Athar Ali Khan, Ekram Ghanbari, Mohammed Aligarh Muslim Univ Dept Elect Engn Aligarh 202002 UP India Univ Essex Sch Comp Sci & Elect Engn Colchester CO4 3SQ Essex England
In this paper we analyze the impact of tree structures on the performance of zerotree-based wavelet video codecs. Since zerotree approach is based on aggregation of insignificant coefficients in trees, therefore desig... 详细信息
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Wavelet-based images compression of color document by fuzzy picture-text segmentation
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JOURNAL OF THE CHINESE INSTITUTE OF ENGINEERS 2003年 第1期26卷 113-118页
作者: Wu, BF Chiu, CC Lin, WL Natl Chiao Tung Univ Dept Elect & Control Engn Hsinchu 300 Taiwan
In this paper, we present a new compression method for color document images based on the wavelet transform and fuzzy picture-text segmentation. This approach addresses a fuzzy picture-text segmentation method, which ... 详细信息
来源: 评论