Intelligence: the eye, the brain, and the computer
Intelligence: the eye, the brain, and the computer
A Computational Approach to Edge Detection
IEEE Transactions on Pattern Analysis and Machine Intelligence
IEEE Transactions on Pattern Analysis and Machine Intelligence
Direct Analytical Methods for Solving Poisson Equations in Computer Vision Problems
IEEE Transactions on Pattern Analysis and Machine Intelligence
Painterly rendering with curved brush strokes of multiple sizes
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
Local Scale Control for Edge Detection and Blur Estimation
IEEE Transactions on Pattern Analysis and Machine Intelligence
Edge Detection and Ridge Detection with Automatic Scale Selection
International Journal of Computer Vision
Image Editing in the Contour Domain
IEEE Transactions on Pattern Analysis and Machine Intelligence
Gradient domain high dynamic range compression
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
Stylization and abstraction of photographs
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
ACM SIGGRAPH 2003 Papers
Cubist Style Rendering from Photographs
IEEE Transactions on Visualization and Computer Graphics
Visual interest and NPR: an evaluation and manifesto
Proceedings of the 3rd international symposium on Non-photorealistic animation and rendering
Image fusion for context enhancement and video surrealism
Proceedings of the 3rd international symposium on Non-photorealistic animation and rendering
Interactive digital photomontage
ACM SIGGRAPH 2004 Papers
ACM SIGGRAPH 2004 Papers
Color2Gray: salience-preserving color removal
ACM SIGGRAPH 2005 Papers
Proceedings of the 4th international symposium on Non-photorealistic animation and rendering
ACM SIGGRAPH 2006 Papers
A unified scheme for adaptive stroke-based rendering
The Visual Computer: International Journal of Computer Graphics
A biologically motivated multiresolution approach to contour detection
EURASIP Journal on Applied Signal Processing
Genetic paint: a search for salient paintings
EC'05 Proceedings of the 3rd European conference on Applications of Evolutionary Computing
Diffusion curves: a vector representation for smooth-shaded images
ACM SIGGRAPH 2008 papers
NPAR '08 Proceedings of the 6th international symposium on Non-photorealistic animation and rendering
3D dynamic grouping for guided stylization
NPAR '08 Proceedings of the 6th international symposium on Non-photorealistic animation and rendering
Abstraction of 2D shapes in terms of parts
Proceedings of the 7th International Symposium on Non-Photorealistic Animation and Rendering
Fast Shape-Simplifying Image Abstraction Using Graphics Hardware
Edutainment '09 Proceedings of the 4th International Conference on E-Learning and Games: Learning by Playing. Game-based Education System Design and Development
Structure-Preserving Colorization Based on Quaternionic Phase Reconstruction
PCM '09 Proceedings of the 10th Pacific Rim Conference on Multimedia: Advances in Multimedia Information Processing
GradientShop: A gradient-domain optimization framework for image and video filtering
ACM Transactions on Graphics (TOG)
Diffusion constraints for vector graphics
NPAR '10 Proceedings of the 8th International Symposium on Non-Photorealistic Animation and Rendering
NPAR '10 Proceedings of the 8th International Symposium on Non-Photorealistic Animation and Rendering
ACM Transactions on Applied Perception (TAP)
Artistic sketching with a painterly rendering algorithm
ACM SIGGRAPH 2010 Posters
Evaluation of emotional response to non-photorealistic images
Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Non-Photorealistic Animation and Rendering
Image and video abstraction by multi-scale anisotropic Kuwahara filtering
Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Non-Photorealistic Animation and Rendering
SG'11 Proceedings of the 11th international conference on Smart graphics
Accurate and discernible photocollages
CAe '12 Proceedings of the Eighth Annual Symposium on Computational Aesthetics in Graphics, Visualization, and Imaging
Combining sketch and tone for pencil drawing production
NPAR '12 Proceedings of the Symposium on Non-Photorealistic Animation and Rendering
Texture-preserving abstraction
NPAR '12 Proceedings of the Symposium on Non-Photorealistic Animation and Rendering
Computational Aesthetics'08 Proceedings of the Fourth Eurographics conference on Computational Aesthetics in Graphics, Visualization and Imaging
Digital Camouflage Images Using Two-scale Decomposition
Computer Graphics Forum
Abstract painting with interactive control of perceptual entropy
ACM Transactions on Applied Perception (TAP)
Diffusion curves: a vector representation for smooth-shaded images
Communications of the ACM
Artistic minimal rendering with lines and blocks
Graphical Models
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Visual content is often better communicated by simplified or exaggerated images than by the "real world like" images. In this paper, we offer a tool for creating such enhanced representations of photographs in a way consistent with the original image content. To do so, we develop a method to identify the relevant image structures and their importance. Our approach (a) uses edges as the basic structural unit in the image, (b) proposes tools to manipulate this structure in a flexible way, and (c) employs gradient domain image processing techniques to reconstruct the final image from a "cropped" gradient information. This edge-based approach to non-photorealistic image processing is made feasible by two new techniques we introduce: an addition to the Gaussian scale space theory to compute a perceptually meaningful hierarchy of structures, and a contrast estimation method necessary for faithful gradient-based reconstructions. We finally present various applications that manipulate image structure in different ways.