Fast bilateral filtering using recursive moving sum
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概要
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We propose a constant-time algorithm for a bilateral filter. Bilateral filter can be converted into the operation of three-dimensional (3D) convolution. By using recursive moving sum, we can reduce the number of calculations needed to construct a pseudo-Gaussian filter. Applying one-dimensional Gaussian filter to the 3D convolution, we achieved a constant-time bilateral filter. We used a 3-GHz CPU without SIMD instructions, or multi-thread operations. We confirmed our proposed bilateral filter to be processed in constant time. In practical conditions, high PSNR values over 40 dB are obtained.
著者
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Motohisa Junichi
Graduate School Of Information Science And Technology And Research Center For Integrated Quantum Ele
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Ikebe Masayuki
Graduate School Of Information Science And Technology Hokkaido University
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Igarashi Masaki
Graduate School of Information Science and Technology, Hokkaido University
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Shimoyama Sohsuke
Graduate School of Information Science and Technology, Hokkaido University
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