On the fly image denoising using patch ordering

作者：

Highlights：

• Proposed method forms novel combination of patch ordering and dictionary learning.

• Patch ordering brings similar patches into spatial proximity.

• Method updates the dictionary continuously; patches are denoised after each update.

• Denoising performance is improved by processing the patches nonlocally.

摘要

•Proposed method forms novel combination of patch ordering and dictionary learning.•Patch ordering brings similar patches into spatial proximity.•Method updates the dictionary continuously; patches are denoised after each update.•Denoising performance is improved by processing the patches nonlocally.

论文关键词：Image denoising,Patch ordering,Online dictionary learning

论文评审过程：Received 27 March 2020, Revised 23 September 2021, Accepted 1 November 2021, Available online 13 November 2021, Version of Record 20 November 2021.

论文官网地址：https://doi.org/10.1016/j.eswa.2021.116192