Nonlinear Approximation of Images with Haar-Like Four-Point Orthogonal Transforms
Nonlinear Approximation of Images with Haar-Like Four-Point Orthogonal Transforms
复制标题
类 Haar 四点正交变换图像的非线性逼近
DOI:
10.1109/icwapr48189.2019.8946488
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Kensuke Fujinoki
中科院分区:
文献类型:
--
作者:
大倉 史生;八木 康史;槇原 靖;村松 大吾;Kensuke Fujinoki
We study simple linear orthogonal transforms for images, which are real-valued, non-overlapped, and fast transforms similar to the Haar wavelet transform. These transforms reveal the correlation of each block of four neighbor points (or pixels) of an image, and can thus be used for an efficient representation of the image. Since several parameters are necessary to determine the orthogonality of such transforms, we conducted numerical experiments to determine the optimal parameter for minimizing distortion errors in nonlinear image approximations.
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DOI:
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发表时间:
2004
期刊:
Pure mathematics and applications
影响因子:
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作者:
D. RoÅŸca
通讯作者:
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影响因子:
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影响因子:
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