NDLI: Automatic generation of pencil sketch for 2D images

Content Provider	IEEE Xplore Digital Library
Author	Gao, Xingyu Zhou, Jingye Chen, Zhenyu Chen, Yiqiang
Copyright Year	2010
Description	Author affiliation: Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100190, China (Gao, Xingyu; Chen, Zhenyu; Chen, Yiqiang) \|\| College of Information Engineering, Xiangtan University, Hunan 411105, China (Zhou, Jingye)
Abstract	Non-Photo-Realistic Rendering (NPR) is becoming increasingly important research topic in computer graphics and image processing. This paper puts forward a novel method for automatically generating a pencil sketch from a real 2D color image in non-photo-realistic rendering. First of all, the edge of the color image is detected by Sobel operator. Secondly, the color image is sharpened by Unsharp Mask (USM), then color scaling is used to get an image with radial and edge details. Furthermore, the original image is divided into many meaningful regions using an efficient method of image segmentation, then the texture direction is determined by Fourier transform and shape feature. To render better effects of illumination and local texture of pencil sketch, the Line Integral Convolution (LIC) algorithm is applied and combined color scaling and white noise image. At last, the pencil sketch is created and the generation results from the superposition of the edge, the USM image and the texture. The experimental results prove that our approach could efficiently generate more obvious edge, more natural tone and more real texture than existed methods.
Starting Page	1018
Ending Page	1021
File Size	1163112
Page Count	4
File Format	PDF
ISBN	9781424442959
ISSN	15206149
DOI	10.1109/ICASSP.2010.5495319
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-03-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Equations Mathematical model Rendering (computer graphics) Image color analysis White noise Painting Shape Texture Non-Photo-Realistic Rendering Pencil Sketch USM Sharpening
Content Type	Text
Resource Type	Article

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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
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