Ding et al., 2019 - Google Patents
Total variation with overlapping group sparsity for deblurring images under Cauchy noiseDing et al., 2019
View PDF- Document ID
- 16588376517671900100
- Author
- Ding M
- Huang T
- Wang S
- Mei J
- Zhao X
- Publication year
- Publication venue
- Applied Mathematics and Computation
External Links
Snippet
The methods based on the total variation are effective for image deblurring and denoising, which can preserve edges and details of images. However, these methods usually produce some staircase effects. In order to alleviate the staircase effects, we propose a new convex …
- 230000000694 effects 0 abstract description 21
Classifications
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- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20172—Image enhancement details
- G06T2207/20182—Noise reduction or smoothing in the temporal domain; Spatio-temporal filtering
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- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image
- G06T5/001—Image restoration
- G06T5/002—Denoising; Smoothing
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- G06T2207/20056—Discrete and fast Fourier transform, [DFT, FFT]
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- G06T5/001—Image restoration
- G06T5/003—Deblurring; Sharpening
- G06T5/004—Unsharp masking
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