NDLI: Computing 3D saliency from a 2D image

Content Provider	IEEE Xplore Digital Library
Author	Ramenahalli, S. Niebur, E.
Copyright Year	2013
Description	Author affiliation: Dept. of Elec & Comput. Eng, Johns Hopkins Univ. Baltimore, Baltimore, MD, USA (Ramenahalli, S.) \|\| Dept. of Neurosci., Johns Hopkins Univ. Baltimore, Baltimore, MD, USA (Niebur, E.)
Abstract	A saliency map is a model of visual selective attention using purely bottom-up features of an image like color, intensity and orientation. Another bottom-up feature of visual input is depth, the distance between eye (or sensor) and objects in the visual field. In this report we study the effect of depth on saliency. Different from previous work, we do not use measured depth (disparity) information but, instead, compute a 3D depth map from the 2D image using a depth learning algorithm. This computed depth is then added as an additional feature channel to the 2D saliency map, and all feature channels are linearly combined with equal weights to obtain a 3-dimensional saliency map. We compare the efficacy of saliency maps (2D and 3D) in predicting human eye fixations using three different performance measures. The 3D saliency map outperforms its 2D counterpart in predicting human eye fixations on all measures. Perhaps surprisingly, our 3D saliency map computed from a 2D image performs better than an existing 3D saliency model that uses explicit depth information.
Sponsorship	IEEE Inf. Theory Soc.
Starting Page	1
Ending Page	5
File Size	1643299
Page Count	5
File Format	PDF
ISBN	9781467352376
e-ISBN	9781467352390
e-ISBN	9781467352383
DOI	10.1109/CISS.2013.6552297
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-03-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Accuracy Robots
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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