NDLI: Detail warping based video super-resolution using image guides

Content Provider	IEEE Xplore Digital Library
Author	Basavaraja, S.V. Bopardikar, A.S. Velusamy, S.
Copyright Year	2010
Description	Author affiliation: Samsung Advanced Institute of Technology (India) Labs, Samsung India Software Operations, Bangalore, India 560093 (Basavaraja, S.V.; Bopardikar, A.S.; Velusamy, S.)
Abstract	Video scaling is a crucial video processing component that finds a variety of applications in video display, enhancement and analysis. Thus, video scaling has been an important research topic for several years now. With the emergence of hybrid-cameras that simultaneously capture a low-resolution (LR) video and periodic high-resolution (HR) stills, methods that use information in HR stills for enhancing the LR video are being studied. We present a multi-layer super-resolution (SR) method to rescale the input LR video with the help of a few HR still image guides. Resolution enhancement is achieved by blending the high frequency details into the input video frames that are scaled-up by a conventional, spatial scaling method. The missing high frequency details for each video frame are derived by spatio-temporal warping of the high frequency details extracted from HR still image guides. The Non-Local-Means (NLM) concept is used for computing the warping weights. The proposed SR method handles both global and local motions in a video, without requiring any explicit image registration. Experimental results comparing the proposed method with some of the existing video scaling techniques clearly points its strong potential.
Starting Page	2009
Ending Page	2012
File Size	443930
Page Count	4
File Format	PDF
ISBN	9781424479924
ISSN	15224880
e-ISBN	9781424479948
e-ISBN	9781424479931
DOI	10.1109/ICIP.2010.5649122
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-26
Publisher Place	Hong Kong
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pixel PSNR Spatial resolution Cameras Image Registration Video Scaling Super Resolution Non-Local Means Hybrid Cameras
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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