NDLI: Detecting and Localizing 3D Object Classes using Viewpoint Invariant Reference Frames

Content Provider	IEEE Xplore Digital Library
Author	Toews, M. Arbel, T.
Copyright Year	2007
Description	Author affiliation: McGill Univ., Montreal (Toews, M.; Arbel, T.)
Abstract	In this paper, we investigate detection and localization of general 3D object classes by relating local scale-invariant features to a viewpoint invariant reference frame. This can generally be achieved by either a multi-view representation, where features and reference frame are modeled as a collection of distinct views, or by a viewpoint invariant representation, where features and reference frame are modeled independently of viewpoint. We compare multi-view and viewpoint invariant representations trained and tested on the same data, where the viewpoint invariant approach results in fewer false positive detections and higher average precision. We present a new, iterative learning algorithm to determine an optimal viewpoint invariant reference frame from training images in a data-driven manner. The learned optimal reference frame is centrally located with respect to the 3D object class and to image features in a given view, thereby minimizing reference frame localization error as predicted by theory and maintaining a consistent geometrical interpretation with respect to the underlying object class. Modeling and detection based on the optimal reference frame improves detection performance for both multiview and viewpoint invariant representations. Experimentation is performed on the class of 3D faces, using the public color FERET database for training, the CMU profile database for testing and SIFT image features.
Starting Page	1
Ending Page	8
File Size	1216242
Page Count	8
File Format	PDF
ISBN	9781424416301
ISSN	15505499
DOI	10.1109/ICCV.2007.4408832
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-14
Publisher Place	Brazil
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Object detection Face detection Spatial databases Testing Iterative algorithms Image databases Solid modeling Geometry Performance evaluation Computer vision
Content Type	Text
Resource Type	Article
Subject	Computer Vision and Pattern Recognition Software

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
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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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