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Abstract painting with interactive control of perceptual entropy

Content Provider	ACM Digital Library
Author	Zhu, Song-Chun Zhao, Mingtian
Copyright Year	2013
Abstract	This article presents a framework for generating abstract art from photographs. The aesthetics of abstract art is largely attributed to its greater perceptual ambiguity than photographs. According to psychological theories [Berlyne 1971], the ambiguity tends to invoke moderate mental effort in the viewer for interpreting the underlying contents, and this process is usually accompanied by subtle aesthetic pleasure. We study this phenomenon through human experiments comparing the subjects' interpretations of abstract art and photographs, and quantitatively verify, the increased perceptual ambiguities in terms of recognition accuracy and response time. Based on the studies, we measure the level of perceptual ambiguity using entropy, as it measures uncertainty levels in information theory, and propose a painterly rendering method with interactive control of the ambiguity levels. Given an input photograph, we first segment it into regions corresponding to different objects and parts in an interactive manner and organize them into a hierarchical parse tree representation. Then we execute a painterly rendering process with image obscuring operators to transfer the photograph into an abstract painting style with increased perceptual ambiguities in both the scene and individual objects. Finally, using kernel density estimation and message-passing algorithms, we compute and control the ambiguity levels numerically to the desired levels, during which we may predict and control the viewer's perceptual path among the image contents by assigning different ambiguity levels to different objects. We have evaluated the rendering results using a second set of human experiments, and verified that they achieve similar abstract effects to original abstract paintings.
Starting Page	1
Ending Page	21
Page Count	21
File Format	PDF
ISSN	15443558
e-ISSN	15443965
DOI	10.1145/2422105.2422110
Volume Number	10
Issue Number	1
Journal	ACM Transactions on Applied Perception (TAP)
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2013-03-04
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Abstract art Entropy Image parsing Painterly rendering Perceptual ambiguity Semantics
Content Type	Text
Resource Type	Article
Subject	Experimental and Cognitive Psychology Theoretical Computer Science Computer Science

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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