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Content Provider | IEEE Xplore Digital Library |
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Author | Nahyun Kim Seungwon Lee Ewoo Chon Hayes, M.H. Joonki Paik |
Copyright Year | 2013 |
Description | Author affiliation: 1st R&D Center, Nextchip Co., Ltd., Seoul, South Korea (Ewoo Chon) || Grad. Sch. of Adv. Imaging, Chung-Ang Univ., Seoul, South Korea (Nahyun Kim; Seungwon Lee; Hayes, M.H.; Joonki Paik) |
Abstract | In this paper, we present an efficient backlit region detection and enhancement method with low-computational cost for consumer mobile imaging devices. The proposed approach partitions an input image into multiple rectangular blocks, and uses a fuzzy logic-based optimal threshold to classify each block as backlit, background, or ambiguous. Backlit blocks are then processed using a contrast enhancement algorithm, whereas those block that are classified as ambiguous are further partitioned into four subblocks, and each subblock goes through further classification. The major advantage of the proposed method is computational efficiency and improved quality with minimized blocking artifacts compared with other block-based approaches. |
Sponsorship | IEEE Consumer Electron. Soc. |
Starting Page | 393 |
Ending Page | 394 |
File Size | 521546 |
Page Count | 2 |
File Format | |
ISBN | 9781467313612 |
ISSN | 21583994 |
e-ISBN | 9781467313636 |
DOI | 10.1109/ICCE.2013.6486944 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2013-01-11 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Classification algorithms Partitioning algorithms Image enhancement Algorithm design and analysis Histograms Imaging Mobile communication |
Content Type | Text |
Resource Type | Article |
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