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Conference Paper (international conference)

Iterative Wiener Filtering for Deconvolution with Ringing Artifact Suppression

Šroubek Filip, Kerepecký Tomáš, Kamenický Jan

: Proceedings of the 27th European Signal Processing Conference (EUSIPCO 2019), p. 1159-1163

: European Signal Processing Conference (EUSIPCO 2019) /27./, (A Coruna, ES, 20190902)

: GA18-05360S, GA ČR, AP1701, AV ČR

: Wiener filter, LMMSE, deconvolution, total variation, ADMM, non-smooth optimization

: 10.23919/EUSIPCO.2019.8903114


(eng): Sensor and lens blur degrade images acquired by digital cameras. Simple and fast removal of blur using linear filtering, such as Wiener filter, produces results that are not acceptable in most of the cases due to ringing artifacts close to image borders and around edges in the image. We have developed deconvolution algorithm with ringing artifact suppression implemented with simple filtering and element-wise softthresholding.

: JD

: 20206