NDLI: Real-time spatially adaptive image restoration using truncated constrained least squares filter

Content Provider	IEEE Xplore Digital Library
Author	Changhun Cho Jaehwan Jeon Joonki Paik
Copyright Year	2014
Description	Author affiliation: Image Process. & Intell. Syst. Lab., Chung-Ang Univ., Seoul, South Korea (Changhun Cho; Jaehwan Jeon; Joonki Paik)
Abstract	A finite impulse response (FIR) filter design method is presented by truncating the constrained least squares filter for real-time, spatially adaptive image restoration. The proposed method truncates the original constrained least squares image restoration filter using the Maxwell-Boltzmann distribution kernel. For the edge preserving image restoration, the orientation of local edge is analyzed based on the covariance matrix, and the edge orientation-adaptive restoration filters are generated. The reduced size of the FIR type restoration filter makes hardware implementation easier for real-time image enhancement. Experimental results show that the proposed method provide more detail and less restoration artifacts than existing methods. As a result, the proposed restoration filter can be applied to realtime image enhancement systems, such as high-definition televisions and video surveillance systems.
Sponsorship	IEEE Consumer Electron. Soc.
Starting Page	256
Ending Page	257
File Size	461246
Page Count	2
File Format	PDF
ISSN	21583994
e-ISBN	9781479912919
DOI	10.1109/ICCE.2014.6775993
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Finite impulse response filters Image restoration Kernel Image edge detection Covariance matrices Real-time systems Energy loss
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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