Stable Sparse Model with Non-Tight Frame

Overcomplete representation is attracting interest in image restoration due to its potential to generate sparse representations of signals. However, the problem of seeking sparse representation must be unstable in the presence of noise. Restricted Isometry Property (RIP), playing a crucial role in p...

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Bibliographic Details
Main Authors: Min Zhang, Yunhui Shi, Na Qi, Baocai Yin
Format: Article
Language:English
Published: MDPI AG 2020-03-01
Series:Applied Sciences
Subjects:
rip
Online Access:https://www.mdpi.com/2076-3417/10/5/1771