NDLI: Affine Motion Based CMOS Distortion Analysis and CMOS Digital Image Stabilization

Content Provider	IEEE Xplore Digital Library
Author	Won-ho Cho Ki-Sang Hong
Copyright Year	1975
Abstract	The CMOS image distortion is due to the rolling shutter in CMOS image sensors (CISs) and it can be more exaggerated when a CIS camera moves rapidly. Several methods have been proposed to remove CMOS distortions made by the translational motion. But, in this paper, we propose the affine motion based CMOS distortion correction method combined with digital image stabilization. To remove CMOS distortions due to the affine global image motion, CMOS distortion model is proposed to explain the effect of the affine global image motion on the CMOS distortion in CISs. To improve CMOS video's visuals, we propose CMOS digital image stabilization to remove the jittering motions in the new image sequence obtained by our correction method. In addition, to reduce the computational time and the outlier effect, a reliable feature selection method is proposed to be used in the affine global image motion estimation. In the experiment results, we show that the proposed CMOS distortion correction method is more general than previous ones. Also, we show that our stabilization method can improve CMOS video's visuals running in real-time.
Sponsorship	IEEE Consumer Electronics Society
File Size	4297012
File Format	PDF
ISSN	00983063
Volume Number	53
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Motion analysis Image analysis Image motion analysis Digital images CMOS image sensors Computational Intelligence Society Cameras Semiconductor device modeling Image sequences Motion estimation
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Media Technology

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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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