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- W2391902164 abstract "A new image denoising algorithm based on undecimated ridgelet frame(UDRIFDA)was proposed.The variables of the base function are inseparable,but base function is itself anisotropic because of high sensitive to directions.The undecimated ridgelet transform(UDRT) can be considered as application of a 1-D undecimated wavelet transform(UDWT) on the slices of the Radon transform.Because UDWT is translation invariant,the denoising algorithm via soft-thresholding can efficiently suppress the oscillation phenomenon on the poignant changes of the 1-D signal.Therefore,the UDRIFDA can greatly reduce the artifacts in the restored image,the numerical experiment exhibits that the UDRIFDA have the higher signal-to-noise and visual quality than decimated ridgelet transform[1] and 2-D wavelet transform removing noise of a blurred image." @default.
- W2391902164 created "2016-06-24" @default.
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- W2391902164 date "2006-01-01" @default.
- W2391902164 modified "2023-09-25" @default.
- W2391902164 title "New method for image denoising based on undecimated ridgelet frame" @default.
- W2391902164 hasPublicationYear "2006" @default.
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