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Title:
Sketch-based design for green geometry and image deformation
Author: Sheng, Bin ; Meng, Weiliang ; Sun, Hanqiu ; Wu, Enhua
Keyword: Sketch-based deformation ; Green coordinates ; Optimization ; Laplace's equation
Source: MULTIMEDIA TOOLS AND APPLICATIONS
Issued Date: 2013
Volume: 62, Issue:3, Pages:581-599
Indexed Type: SCI
Department: [Sheng, Bin] Shanghai Jiao Tong Univ, Dept Comp Sci & Engn, Shanghai 200030, Peoples R China. [Sheng, Bin] Chinese Univ Hong Kong, Dept Comp Sci & Engn, Shatin, Hong Kong, Peoples R China. [Meng, Weiliang] Chinese Acad Sci, Inst Software, CAS Inst Automat, LIAMA NLPR, Beijing, Peoples R China. [Sun, Hanqiu] Chinese Univ Hong Kong, Dept Comp Sci & Engn, Shatin, Hong Kong, Peoples R China. [Wu, Enhua] Chinese Acad Sci, Inst Software, Beijing, Peoples R China. [Wu, Enhua] Univ Macau, Fac Sci & Technol, Macao, Peoples R China.
Abstract: User interfaces have traditionally followed the WIMP (window, icon, menu, pointer) paradigm. Though functional and powerful, they are usually cumbersome for a novice user to design a complex model, requiring considerable expertise and effort. This paper presents a system for designing geometric models and image deformation with sketching curves, with the use of Green coordinates. In 3D modeling, the user first creates a 3D model by using a sketching interface, where a given 2D curve is interpreted as the projection of the 3D curve. The user can add, remove, and deform these control curves easily, as if working with a 2D line drawing. For a given set of curves, the system automatically identifies the topology and face embedding by applying graph rotation system. Green coordinates are then used to deform the generated models with detail-preserving property. Also, we have developed a sketch-based image-editing interface to deform image regions using Green coordinates. Hardware-assisted schemes are provided for both control shape deformation and the subsequent surface optimization, the experimental results demonstrate that 3D/2D deformations can be achieved in realtime.
English Abstract: User interfaces have traditionally followed the WIMP (window, icon, menu, pointer) paradigm. Though functional and powerful, they are usually cumbersome for a novice user to design a complex model, requiring considerable expertise and effort. This paper presents a system for designing geometric models and image deformation with sketching curves, with the use of Green coordinates. In 3D modeling, the user first creates a 3D model by using a sketching interface, where a given 2D curve is interpreted as the projection of the 3D curve. The user can add, remove, and deform these control curves easily, as if working with a 2D line drawing. For a given set of curves, the system automatically identifies the topology and face embedding by applying graph rotation system. Green coordinates are then used to deform the generated models with detail-preserving property. Also, we have developed a sketch-based image-editing interface to deform image regions using Green coordinates. Hardware-assisted schemes are provided for both control shape deformation and the subsequent surface optimization, the experimental results demonstrate that 3D/2D deformations can be achieved in realtime.
Language: 英语
Content Type: 期刊论文
URI: http://ir.iscas.ac.cn/handle/311060/16948
Appears in Collections:软件所图书馆_期刊论文

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Recommended Citation:
Sheng, Bin,Meng, Weiliang,Sun, Hanqiu,et al. Sketch-based design for green geometry and image deformation[J]. MULTIMEDIA TOOLS AND APPLICATIONS,2013-01-01,62(3):581-599.
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