Two dimensional quaternion valued singular spectrum analysis with application to image denoising

Lin, Yuxin; Ling, Bingo Wing‐Kuen; Xu, Nuo; Zhou, Xueling

doi:10.1016/j.jfranklin.2022.03.036

Journal of the Franklin Institute

2022

DOI: 10.1016/j.jfranklin.2022.03.036

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Two dimensional quaternion valued singular spectrum analysis with application to image denoising

Yuxin Lin

Bingo Wing‐Kuen Ling

Nuo Xu

et al.

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Cited by 7 publications

References 21 publications

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Local look-up table upsampling for accelerating image processing

Tsubokawa,

Tajima,

Maeda

et al. 2023

Multimed Tools Appl

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The resolution of cameras is increasing, and speedup of various image processing is required to accompany this increase. A simple way of acceleration is processing the image at low resolution and then upsampling the result. Moreover, when we can use an additional high-resolution image as guidance formation for upsampling, we can upsample the image processing results more accurately. We propose an approach to accelerate various image processing by downsampling and joint upsampling. This paper utilizes per-pixel look-up tables (LUTs), named local LUT, which are given a low-resolution input image and output pair. Subsequently, we upsample the local LUT. We can then generate a high-resolution image only by referring to its local LUT. In our experimental results, we evaluated the proposed method on several image processing filters and applications: iterative bilateral filtering, $$\ell _0$$ ℓ 0 smoothing, local Laplacian filtering, inpainting, and haze removing. The proposed method accelerates image processing with sufficient approximation accuracy, and the proposed outperforms the conventional approaches in the trade-off between accuracy and efficiency. Our code is available at https://fukushimalab.github.io/LLF/.

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Local look-up table upsampling for accelerating image processing

Tsubokawa,

Tajima,

Maeda

et al. 2023

Multimed Tools Appl

View full text Add to dashboard Cite

show abstract

Earthquake magnitude prediction in Turkey: a comparative study of deep learning methods, ARIMA and singular spectrum analysis

Öncel Çekim,

Karakavak,

Özel

et al. 2023

Environ Earth Sci

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Three-dimensional singular spectrum analysis for precise land cover classification from UAV-borne hyperspectral benchmark datasets

Sun

Zhang

et al. 2023

ISPRS Journal of Photogrammetry and Remote Sensing

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Two dimensional quaternion valued singular spectrum analysis with application to image denoising

Cited by 7 publications

References 21 publications

Local look-up table upsampling for accelerating image processing

Local look-up table upsampling for accelerating image processing

Earthquake magnitude prediction in Turkey: a comparative study of deep learning methods, ARIMA and singular spectrum analysis

Three-dimensional singular spectrum analysis for precise land cover classification from UAV-borne hyperspectral benchmark datasets

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