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- articleApril 2016
Cognitive mechanism related to line drawings and its applications in intelligent process of visual media: a survey
Frontiers of Computer Science: Selected Publications from Chinese Universities (FCS), Volume 10, Issue 2Pages 216–232https://doi.org/10.1007/s11704-015-4450-1Line drawings, as a concise form, can be recognized by infants and even chimpanzees. Recently, how the visual system processes line-drawings attracts more and more attention from psychology, cognitive science and computer science. The neuroscientific ...
- ArticleJune 2014
Human vs. Computer in Scene and Object Recognition
CVPR '14: Proceedings of the 2014 IEEE Conference on Computer Vision and Pattern RecognitionPages 113–120https://doi.org/10.1109/CVPR.2014.22Several decades of research in computer and primate vision have resulted in many models (some specialized for one problem, others more general) and invaluable experimental data. Here, to help focus research efforts onto the hardest unsolved problems, ...
- research-articleNovember 2013
Example-based art pattern synthesis using level sets
SA '13: SIGGRAPH Asia 2013 Technical BriefsArticle No.: 6, Pages 1–4https://doi.org/10.1145/2542355.2542363Line drawings and digital arts appear everywhere, from simple icons to cartoons, maps and illustrations. We define art patterns as the subset of line drawings and digital arts that are comprised of repeated elements. Inspired by recent success of ...
- ArticleNovember 2013
Coherent Stylized Lines for Mesh Surfaces by Contour Triangles
CADGRAPHICS '13: Proceedings of the 2013 International Conference on Computer-Aided Design and Computer GraphicsPages 391–392https://doi.org/10.1109/CADGraphics.2013.62This paper presents a method to render smooth stylized contours of 3D meshes with temporal coherence. Contour triangles that contain countour curves perform two functions: they ensure that smooth contour curves are coherent and reconstructed faithfully ...
- ArticleOctober 2013
Customizable Strokes for Localized Stylization of View-Dependent Lines Extracted from 3D Models
CW '13: Proceedings of the 2013 International Conference on CyberworldsPages 140–146https://doi.org/10.1109/CW.2013.62We propose a method to stylize individual lines and preserve their properties as the viewpoint is modified. As the camera position changes and view-dependent lines move across the surface, we track each line in order to extract and store the areas of ...
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- research-articleJune 2012
Active strokes: coherent line stylization for animated 3D models
This paper presents a method for creating coherently animated line drawings that include strong abstraction and stylization effects. These effects are achieved with active strokes: 2D contours that approximate and track the lines of an animated 3D ...
- ArticleSeptember 2011
Final report of GREC'11 arc segmentation contest: performance evaluation on multi-resolution scanned documents
GREC'11: Proceedings of the 9th international conference on Graphics Recognition: new trends and challengesPages 187–197https://doi.org/10.1007/978-3-642-36824-0_18This paper presents the final report of the outcome of the sixth edition of the Arc Segmentation Contest. The theme of this edition is segmentation of images with different scanning resolutions. The contest was held offline before the workshop. Nine ...
- research-articleApril 2011
Relief stylization from 3D models using featured lines
SCCG '11: Proceedings of the 27th Spring Conference on Computer GraphicsPages 37–42https://doi.org/10.1145/2461217.2461226Digital reliefs mimic the style of their real life counterparts, and hence offer an elegant depiction of a 3D shape. Despite an increasing amount of research on digital relief generation in computer graphics, little has been reported on the generation ...
- ArticleSeptember 2010
A new text detection algorithm for content-oriented line drawing image retrieval
PCM'10: Proceedings of the 11th Pacific Rim conference on Advances in multimedia information processing: Part IPages 338–347Content retrieval of scanned line drawing images is a difficult problem, especially from real-life large scale databases. Existing algorithms don't work well due to their low efficiency by first recognizing various types of graphical primitives and then ...
- research-articleSeptember 2009
Responses to the Comments on “Plane-Based Optimization for 3D Object Reconstruction from Single Line Drawings”
IEEE Transactions on Pattern Analysis and Machine Intelligence (ITPM), Volume 31, Issue 9Pages 1726–1728https://doi.org/10.1109/TPAMI.2009.118We disagree with the comments made by Varley [1] on our previous paper [2]. In this paper, we respond to his comments and show that they are not correct.
- research-articleAugust 2009
Responses to the Comments on “What the Back of the Object Looks Like: 3D Reconstruction from Line Drawings without Hidden Lines”
IEEE Transactions on Pattern Analysis and Machine Intelligence (ITPM), Volume 31, Issue 8Pages 1535–1536https://doi.org/10.1109/TPAMI.2009.58Varley [1] made comments on our paper in [2] section by section. We answer them in this response paper.
- research-articleJuly 2009
How well do line drawings depict shape?
- Forrester Cole,
- Kevin Sanik,
- Doug DeCarlo,
- Adam Finkelstein,
- Thomas Funkhouser,
- Szymon Rusinkiewicz,
- Manish Singh
SIGGRAPH '09: ACM SIGGRAPH 2009 papersArticle No.: 28, Pages 1–9https://doi.org/10.1145/1576246.1531334This paper investigates the ability of sparse line drawings to depict 3D shape. We perform a study in which people are shown an image of one of twelve 3D objects depicted with one of six styles and asked to orient a gauge to coincide with the surface ...
- research-articleJuly 2009
How well do line drawings depict shape?
- Forrester Cole,
- Kevin Sanik,
- Doug DeCarlo,
- Adam Finkelstein,
- Thomas Funkhouser,
- Szymon Rusinkiewicz,
- Manish Singh
ACM Transactions on Graphics (TOG), Volume 28, Issue 3Article No.: 28, Pages 1–9https://doi.org/10.1145/1531326.1531334This paper investigates the ability of sparse line drawings to depict 3D shape. We perform a study in which people are shown an image of one of twelve 3D objects depicted with one of six styles and asked to orient a gauge to coincide with the surface ...
- ArticleJuly 2009
GREC'09 arc segmentation contest: performance evaluation on old documents
Empirical performance evaluation of raster to vector methods is an important topic in the area of graphics recognition. By studying automatic vectorization methods we can reveal the maturity of the tested methods whether as a research prototype or a ...
- ArticleMay 2008
Abstract Line Drawings from 2D Images Based on Thinning
CISP '08: Proceedings of the 2008 Congress on Image and Signal Processing, Vol. 3 - Volume 03Pages 466–470A novel method for turning an image into simple line drawings is presented. Our technique consists of three parts: line extraction, line rendering and style translation. First it proposes a novel line extraction method based on mathematical morphology ...
- chapterApril 2008
Smoothing a Network of Planar Polygonal Lines Obtained with Vectorization
Graphics Recognition. Recent Advances and New OpportunitiesApril 2008, Pages 213–234https://doi.org/10.1007/978-3-540-88188-9_21A new method of smoothing polygonal lines obtained as the result of vectorization and creating the network is suggested. This method performs not only smoothing but also filtering of vectorization errors taking into account that these errors appear not ...
- research-articleMarch 2008
What the Back of the Object Looks Like: 3D Reconstruction from Line Drawings without Hidden Lines
IEEE Transactions on Pattern Analysis and Machine Intelligence (ITPM), Volume 30, Issue 3Pages 507–517https://doi.org/10.1109/TPAMI.2007.1185The human vision system can interpret a single 2D line drawing as a 3D object without much difficulty even if the hidden lines of the object are invisible. Many reconstruction methods have been proposed to emulate this ability, but they cannot recover ...
- ArticleAugust 2007
Highlight lines for conveying shape
NPAR '07: Proceedings of the 5th international symposium on Non-photorealistic animation and renderingPages 63–70https://doi.org/10.1145/1274871.1274881Recent work has shown that sparse lines defined on 3D shapes, including occluding contours and suggestive contours, are effective at conveying shape. We introduce two new families of lines called suggestive highlights and principal highlights, based on ...
- ArticleMay 2007
Comparison of 3D reconstruction techniques for engineering drawings from orthographic projections
3D reconstruction of objects form orthographic projections of engineering drawing has been very crucial research area since decades. In this paper, we have critically reviewed the latest approaches dealing with single view and multi view. Different ...
- ArticleFebruary 2006
Reconstruction of orthogonal polygonal lines
DAS'06: Proceedings of the 7th international conference on Document Analysis SystemsPages 462–473https://doi.org/10.1007/11669487_41An orthogonal polygonal line is a line consisting of adjacent straight segments having only two directions orthogonal to each other. Because of noise and vectorization errors, the result of vectorization of such a line may differ from an orthogonal ...