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题名:
The easy block Hadamard transform: A new adaptive directional Hadamard transform for sparse image representation
作者: Sun, Jian; Ren, Guo-Qiang; Wu, Qin-Zhang
刊名: Optik
出版日期: 2014
卷号: 125, 期号:10, 页码:2356-2360
学科分类: Filter banks - High pass filters - Low pass filters - Wavelet transforms
DOI: 10.1016/j.ijleo.2013.10.068
通讯作者: Sun, J. (sunjian233liyi@163.com)
文章类型: 期刊论文
中文摘要: In order to get an efficient image representation, we introduce a new locally adaptive Hadamard transform, called Easy Block Hadamard Transform (EBHT). EBHT is a type of directional Hadamard transform, which can be adapted to the image geometry in each block. Firstly, the image is divided into eight equal-sized squares and the adaptive directional Hadamard filter is employed to get the low-pass data and high-pass data. In the further level of the filter bank algorithm, we just divide the low-pass image into four equal-sized squares. EBHT is very simple, but effective. Numerical results show the excellent efficiency of the EBHT for sparse image representation. © 2013 Elsevier GmbH. All rights reserved.
英文摘要: In order to get an efficient image representation, we introduce a new locally adaptive Hadamard transform, called Easy Block Hadamard Transform (EBHT). EBHT is a type of directional Hadamard transform, which can be adapted to the image geometry in each block. Firstly, the image is divided into eight equal-sized squares and the adaptive directional Hadamard filter is employed to get the low-pass data and high-pass data. In the further level of the filter bank algorithm, we just divide the low-pass image into four equal-sized squares. EBHT is very simple, but effective. Numerical results show the excellent efficiency of the EBHT for sparse image representation. © 2013 Elsevier GmbH. All rights reserved.
收录类别: SCI ; Ei
项目资助者: National Natural Science Foundation of China [11174281]
语种: 英语
WOS记录号: WOS:000335621900028
ISSN号: 00304026
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/4429
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作者单位: Institute of Optics and Electronics, University of Chinese Academy of Science, Cheng Du, Sichuan 610209, China

Recommended Citation:
Sun, Jian,Ren, Guo-Qiang,Wu, Qin-Zhang. The easy block Hadamard transform: A new adaptive directional Hadamard transform for sparse image representation[J]. Optik,2014,125(10):2356-2360.
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