Detecting buildings in aerial images
Computer Vision, Graphics, and Image Processing
Comprehensible rendering of 3-D shapes
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
Numerical recipes in C (2nd ed.): the art of scientific computing
Numerical recipes in C (2nd ed.): the art of scientific computing
Painterly rendering with curved brush strokes of multiple sizes
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
Building detection and description from a single intensity image
Computer Vision and Image Understanding
International Journal of Computer Vision - Special issue on computer vision research at NEC Research Institute
Lumo: illumination for cel animation
NPAR '02 Proceedings of the 2nd international symposium on Non-photorealistic animation and rendering
An invitation to discuss computer depiction
NPAR '02 Proceedings of the 2nd international symposium on Non-photorealistic animation and rendering
Non-photorealistic computer graphics: modeling, rendering, and animation
Non-photorealistic computer graphics: modeling, rendering, and animation
Non-Photorealistic Rendering
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
Computer Vision: A Modern Approach
Computer Vision: A Modern Approach
A Taxonomy and Evaluation of Dense Two-Frame Stereo Correspondence Algorithms
International Journal of Computer Vision
Occlusions and Binocular Stereo
ECCV '92 Proceedings of the Second European Conference on Computer Vision
On 3-D Surface Reconstruction Using Shape from Shadows
CVPR '98 Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition
Shadow matting and compositing
ACM SIGGRAPH 2003 Papers
Suggestive contours for conveying shape
ACM SIGGRAPH 2003 Papers
Shape from darkness under error
Shape from darkness under error
Depth and motion discontinuities
Depth and motion discontinuities
Highlight Removal by Illumination-Constrained Inpainting
ICCV '03 Proceedings of the Ninth IEEE International Conference on Computer Vision - Volume 2
Image fusion for context enhancement and video surrealism
Proceedings of the 3rd international symposium on Non-photorealistic animation and rendering
Exploiting Depth Discontinuities for Vision-Based Fingerspelling Recognition
CVPRW '04 Proceedings of the 2004 Conference on Computer Vision and Pattern Recognition Workshop (CVPRW'04) Volume 10 - Volume 10
Conveying Shape and Features with Image-Based Relighting
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
Performance relighting and reflectance transformation with time-multiplexed illumination
ACM SIGGRAPH 2005 Papers
Removing photography artifacts using gradient projection and flash-exposure sampling
ACM SIGGRAPH 2005 Papers
Removing photography artifacts using gradient projection and flash-exposure sampling
ACM SIGGRAPH 2005 Papers
A loose and sketchy approach in a mediated reality environment
GRAPHITE '05 Proceedings of the 3rd international conference on Computer graphics and interactive techniques in Australasia and South East Asia
Proceedings of the 4th international symposium on Non-photorealistic animation and rendering
ACM SIGGRAPH 2006 Papers
Projection defocus analysis for scene capture and image display
ACM SIGGRAPH 2006 Papers
Image enhancement by unsharp masking the depth buffer
ACM SIGGRAPH 2006 Papers
ACM SIGGRAPH 2006 Papers
Multi-flash 3D photography: capturing shape and appearance
ACM SIGGRAPH 2006 Research posters
SIGGRAPH '05 ACM SIGGRAPH 2005 Courses
Technical Section: Gradient based image completion by solving the Poisson equation
Computers and Graphics
Illustration of complex real-world objects using images with normals
Proceedings of the 5th international symposium on Non-photorealistic animation and rendering
Apparent ridges for line drawing
ACM SIGGRAPH 2007 papers
Multiscale shape and detail enhancement from multi-light image collections
ACM SIGGRAPH 2007 papers
Lensless stereo microscopic imaging
ACM SIGGRAPH 2007 emerging technologies
ACM SIGGRAPH 2007 courses
IEEE Transactions on Pattern Analysis and Machine Intelligence
Multiflash Stereopsis: Depth-Edge-Preserving Stereo with Small Baseline Illumination
IEEE Transactions on Pattern Analysis and Machine Intelligence
Digital inspection: an interactive stage for viewing surface details
Proceedings of the 2008 symposium on Interactive 3D graphics and games
Programmable aperture photography: multiplexed light field acquisition
ACM SIGGRAPH 2008 papers
Image and video matting: a survey
Foundations and Trends® in Computer Graphics and Vision
ACM SIGGRAPH 2008 classes
Using structured light for efficient depth edge detection
Image and Vision Computing
Shape from Depth Discontinuities
Emerging Trends in Visual Computing
Computational Photography: Epsilon to Coded Photography
Emerging Trends in Visual Computing
A Stereo Depth Recovery Method Using Layered Representation of the Scene
Proceedings of the 31st DAGM Symposium on Pattern Recognition
A case study evaluation: perceptually accurate textured surface models
Proceedings of the 6th Symposium on Applied Perception in Graphics and Visualization
Median Photometric Stereo as Applied to the Segonko Tumulus and Museum Objects
International Journal of Computer Vision
Vision-guided Robot System for Picking Objects by Casting Shadows
International Journal of Robotics Research
Rotating scans for systematic error removal
SGP '09 Proceedings of the Symposium on Geometry Processing
Efficiently capturing object contours for non-photorealistic rendering
SCIA'07 Proceedings of the 15th Scandinavian conference on Image analysis
Less is more: coded computational photography
ACCV'07 Proceedings of the 8th Asian conference on Computer vision - Volume Part I
Detecting and segmenting un-occluded items by actively casting shadows
ACCV'07 Proceedings of the 8th Asian conference on Computer vision - Volume Part I
Stylized depiction of images based on depth perception
NPAR '10 Proceedings of the 8th International Symposium on Non-Photorealistic Animation and Rendering
DECHO—a framework for the digital exploration of cultural heritage objects
Journal on Computing and Cultural Heritage (JOCCH)
Automatic moving object segmentation from video sequences using alternate flashing system
EURASIP Journal on Advances in Signal Processing - Special issue on video analysis for human behavior understanding
Extended papers from NPAR 2010: Non-photorealistic, depth-based image editing
Computers and Graphics
Object category classification using occluding contours
ISVC'10 Proceedings of the 6th international conference on Advances in visual computing - Volume Part I
Removing of metal highlight spots based on total variation inpainting with multi-sources-flashing
CIS'05 Proceedings of the 2005 international conference on Computational Intelligence and Security - Volume Part II
Gradient based image completion by solving poisson equation
PCM'05 Proceedings of the 6th Pacific-Rim conference on Advances in Multimedia Information Processing - Volume Part I
Edge-guided resolution enhancement in projectors via optical pixel sharing
ACM Transactions on Graphics (TOG) - SIGGRAPH 2012 Conference Proceedings
Efficient and robust 3D line drawings using difference-of-Gaussian
Graphical Models
Coherent Spatiotemporal Filtering, Upsampling and Rendering of RGBZ Videos
Computer Graphics Forum
Controlling color regions of leaves with painting techniques for landscape arts
Computational Aesthetics'09 Proceedings of the Fifth Eurographics conference on Computational Aesthetics in Graphics, Visualization and Imaging
Computational Aesthetics'10 Proceedings of the Sixth international conference on Computational Aesthetics in Graphics, Visualization and Imaging
Bixels: picture samples with sharp embedded boundaries
EGSR'04 Proceedings of the Fifteenth Eurographics conference on Rendering Techniques
Rainbow flash camera: depth edge extraction using complementary colors
ECCV'12 Proceedings of the 12th European conference on Computer Vision - Volume Part VI
User-assisted image compositing for photographic lighting
ACM Transactions on Graphics (TOG) - SIGGRAPH 2013 Conference Proceedings
Extraction of Pinna Features for Customized Binaural Audio Delivery on Mobile Devices
Proceedings of International Conference on Advances in Mobile Computing & Multimedia
Splatting lines: an efficient method for illustrating 3D surfaces and volumes
Proceedings of the 18th meeting of the ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games
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We present a non-photorealistic rendering approach to capture and convey shape features of real-world scenes. We use a camera with multiple flashes that are strategically positioned to cast shadows along depth discontinuities in the scene. The projective-geometric relationship of the camera-flash setup is then exploited to detect depth discontinuities and distinguish them from intensity edges due to material discontinuities.We introduce depiction methods that utilize the detected edge features to generate stylized static and animated images. We can highlight the detected features, suppress unnecessary details or combine features from multiple images. The resulting images more clearly convey the 3D structure of the imaged scenes.We take a very different approach to capturing geometric features of a scene than traditional approaches that require reconstructing a 3D model. This results in a method that is both surprisingly simple and computationally efficient. The entire hardware/software setup can conceivably be packaged into a self-contained device no larger than existing digital cameras.