NDLI: Good features to track: A view geometric approach

Content Provider	IEEE Xplore Digital Library
Author	Jinwei Jiang Yilmaz, A.
Copyright Year	2011
Description	Author affiliation: The Ohio State University, Photogrammetric Computer Vision Laboratory, 2070 Neil Ave, Columbus, 43210, USA (Jinwei Jiang; Yilmaz, A.)
Abstract	Despite many alternatives to point tracking problem, iterative least squares solution solving the optical flow constraint has been the most popular approach used by many in the field. This paper attempts to leverage the former efforts to enhance such tracking methods by introducing geometric constraint to the tracking problem. In contrast to alternative geometry based methods, the proposed approach provides an online solution to optical flow estimation by exploiting Horn and Schunck flow estimation regularized by view geometric constraints. We particularly use the geometric invariants in the projective coordinates and conjecture that the traditional appearance solution needs to be geometrically regularized. Geometric regularization is achieved by estimating the posterior distribution of possible locations given the samples drawn from other tracked points which specify the scene geometry. Our experiments demonstrate that tracking can still be performed with great accuracy even when the features undergo appearance changes due to projective deformation of the template. Hence the resulting algorithm judges the quality of the tracked points based on not only appearance similarity but also geometric consistency.
Starting Page	72
Ending Page	79
File Size	1125558
Page Count	8
File Format	PDF
ISBN	9781467300629
e-ISBN	9781467300636
DOI	10.1109/ICCVW.2011.6130224
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-06
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Geometry Tracking Optical imaging Cameras Three dimensional displays Mathematical model Equations
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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