A Computational Approach to Edge Detection
IEEE Transactions on Pattern Analysis and Machine Intelligence
Fast multiresolution image querying
SIGGRAPH '95 Proceedings of the 22nd annual conference on Computer graphics and interactive techniques
Teddy: a sketching interface for 3D freeform design
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
Managing gigabytes (2nd ed.): compressing and indexing documents and images
Managing gigabytes (2nd ed.): compressing and indexing documents and images
Fluid sketches: continuous recognition and morphing of simple hand-drawn shapes
UIST '00 Proceedings of the 13th annual ACM symposium on User interface software and technology
Image Editing in the Contour Domain
IEEE Transactions on Pattern Analysis and Machine Intelligence
A suggestive interface for 3D drawing
Proceedings of the 14th annual ACM symposium on User interface software and technology
Blobworld: Image Segmentation Using Expectation-Maximization and Its Application to Image Querying
IEEE Transactions on Pattern Analysis and Machine Intelligence
Distinctive Image Features from Scale-Invariant Keypoints
International Journal of Computer Vision
CVPRW '04 Proceedings of the 2004 Conference on Computer Vision and Pattern Recognition Workshop (CVPRW'04) Volume 12 - Volume 12
Scalable Recognition with a Vocabulary Tree
CVPR '06 Proceedings of the 2006 IEEE Computer Society Conference on Computer Vision and Pattern Recognition - Volume 2
Scene completion using millions of photographs
ACM SIGGRAPH 2007 papers
ACM SIGGRAPH 2007 posters
Image retrieval: Ideas, influences, and trends of the new age
ACM Computing Surveys (CSUR)
ACM SIGGRAPH 2008 papers
PhotoSketch: a sketch based image query and compositing system
SIGGRAPH 2009: Talks
Sketch2Photo: internet image montage
ACM SIGGRAPH Asia 2009 papers
GradientShop: A gradient-domain optimization framework for image and video filtering
ACM Transactions on Graphics (TOG)
iCanDraw: using sketch recognition and corrective feedback to assist a user in drawing human faces
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Data-driven suggestions for creativity support in 3D modeling
ACM SIGGRAPH Asia 2010 papers
Partition min-hash for partial duplicate image discovery
ECCV'10 Proceedings of the 11th European conference on Computer vision: Part I
Binary coherent edge descriptors
ECCV'10 Proceedings of the 11th European conference on Computer vision: Part II
Sketch-based image matching Using Angular partitioning
IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans
Sketch-sketch revolution: an engaging tutorial system for guided sketching and application learning
Proceedings of the 24th annual ACM symposium on User interface software and technology
ACM Transactions on Graphics (TOG) - SIGGRAPH 2012 Conference Proceedings
ACM Transactions on Graphics (TOG) - SIGGRAPH 2012 Conference Proceedings
I don't believe my eyes!: geometric sketch recognition for a computer art tutorial
Proceedings of the International Symposium on Sketch-Based Interfaces and Modeling
Lazy selection: a scribble-based tool for smart shape elements selection
ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
Material memex: automatic material suggestions for 3D objects
ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
Sketch-editing games: human-machine communication, game theory and applications
Proceedings of the 25th annual ACM symposium on User interface software and technology
Smart Scribbles for Sketch Segmentation
Computer Graphics Forum
Sketch-based image retrieval on mobile devices using compact hash bits
Proceedings of the 20th ACM international conference on Multimedia
Sketch2Scene: sketch-based co-retrieval and co-placement of 3D models
ACM Transactions on Graphics (TOG) - SIGGRAPH 2013 Conference Proceedings
Handwriting beautification using token means
ACM Transactions on Graphics (TOG) - SIGGRAPH 2013 Conference Proceedings
Real-time drawing assistance through crowdsourcing
ACM Transactions on Graphics (TOG) - SIGGRAPH 2013 Conference Proceedings
The drawing assistant: automated drawing guidance and feedback from photographs
Proceedings of the 26th annual ACM symposium on User interface software and technology
dePEDd: augmented handwriting system using ferromagnetism of a ballpoint pen
Proceedings of the 26th annual ACM symposium on User interface software and technology
PatchNet: a patch-based image representation for interactive library-driven image editing
ACM Transactions on Graphics (TOG)
Interactive localized liquid motion editing
ACM Transactions on Graphics (TOG)
Data-driven suggestions for portrait posing
SIGGRAPH Asia 2013 Emerging Technologies
Data-driven suggestions for portrait posing
SIGGRAPH Asia 2013 Technical Briefs
A comparison of methods for sketch-based 3D shape retrieval
Computer Vision and Image Understanding
Sketching human character animations by composing sequences from large motion database
The Visual Computer: International Journal of Computer Graphics
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We present ShadowDraw, a system for guiding the freeform drawing of objects. As the user draws, ShadowDraw dynamically updates a shadow image underlying the user's strokes. The shadows are suggestive of object contours that guide the user as they continue drawing. This paradigm is similar to tracing, with two major differences. First, we do not provide a single image from which the user can trace; rather ShadowDraw automatically blends relevant images from a large database to construct the shadows. Second, the system dynamically adapts to the user's drawings in real-time and produces suggestions accordingly. ShadowDraw works by efficiently matching local edge patches between the query, constructed from the current drawing, and a database of images. A hashing technique enforces both local and global similarity and provides sufficient speed for interactive feedback. Shadows are created by aggregating the edge maps from the best database matches, spatially weighted by their match scores. We test our approach with human subjects and show comparisons between the drawings that were produced with and without the system. The results show that our system produces more realistically proportioned line drawings.