Fourier Synthesis of Ocean Scenes
IEEE Computer Graphics and Applications
Generalized stochastic subdivision
ACM Transactions on Graphics (TOG)
Fractals in nature: from characterization to simulation
The Science of Fractal Images
The synthesis and rendering of eroded fractal terrains
SIGGRAPH '89 Proceedings of the 16th annual conference on Computer graphics and interactive techniques
Algorithms for solid noise synthesis
SIGGRAPH '89 Proceedings of the 16th annual conference on Computer graphics and interactive techniques
Particle animation and rendering using data parallel computation
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
Fundamentals of speech recognition
Fundamentals of speech recognition
Modeling and animating turbulent gaseous phenomena using spectral synthesis
The Visual Computer: International Journal of Computer Graphics
Turbulent wind fields for gaseous phenomena
SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
Visual navigation of large environments using textured clusters
I3D '95 Proceedings of the 1995 symposium on Interactive 3D graphics
Modeling and rendering architecture from photographs: a hybrid geometry- and image-based approach
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
Hierarchical image caching for accelerated walkthroughs of complex environments
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
Tour into the picture: using a spidery mesh interface to make animation from a single image
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
Automatic image placement to provide a guaranteed frame rate
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
SIGGRAPH '85 Proceedings of the 12th annual conference on Computer graphics and interactive techniques
SIGGRAPH '85 Proceedings of the 12th annual conference on Computer graphics and interactive techniques
Computer modelling of fallen snow
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Particle Systems—a Technique for Modeling a Class of Fuzzy Objects
ACM Transactions on Graphics (TOG)
Computer rendering of stochastic models
Communications of the ACM
Multiple view geometry in computer visiond
Multiple view geometry in computer visiond
Introductory Techniques for 3-D Computer Vision
Introductory Techniques for 3-D Computer Vision
Texturing and Modeling: A Procedural Approach
Texturing and Modeling: A Procedural Approach
A simple fluid solver based on the FFT
Journal of Graphics Tools
International Journal of Computer Vision
Proceedings of the ACM SIGGRAPH/EUROGRAPHICS conference on Graphics hardware
Spatially encoded image-space simplifications for interactive walkthrough
Spatially encoded image-space simplifications for interactive walkthrough
Layered motion field visualization: perceptual issues
APGV '05 Proceedings of the 2nd symposium on Applied perception in graphics and visualization
Photorealistic rendering of rain streaks
ACM SIGGRAPH 2006 Papers
Perceptual limits on 2D motion-field visualization
ACM Transactions on Applied Perception (TAP)
International Journal of Computer Vision
A novel progressive refinement algorithm for full spectral rendering
Real-Time Imaging
Parallel methods for real-time visualization of snow
PARA'06 Proceedings of the 8th international conference on Applied parallel computing: state of the art in scientific computing
A geometric algorithm for snow distribution in virtual scenes
NPH'09 Proceedings of the Fifth Eurographics conference on Natural Phenomena
Material based splashing of water drops
EGSR'07 Proceedings of the 18th Eurographics conference on Rendering Techniques
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Falling snow has the visual property that it is simultaneously a set of discrete moving particles as well as a dynamic texture. To capture the dynamic texture properties of falling snow using particle systems can, however, require so many particles that it severely impacts rendering rates. Here we address this limitation by rendering the texture properties directly. We use a standard particle system to generate a relatively sparse set of falling snow flakes, and we then composite in a dynamic texture to fill in between the particles. The texture is generated using a novel image-based spectral synthesis method. The spectrum of the falling snow texture is defined by a dispersion relation in the image plane, derived from linear perspective. The dispersion relation relates image speed, image size, and particle depth. In the frequency domain, it relates the wavelength and speed of moving 2D image sinusoids. The parameters of this spectral snow can be varied both across the image and over time. This provides the flexibility to match the direction and speed parameters of the spectral snow to those of the falling particles. Camera motion can also be matched. Our method produces visually pleasing results at interactive rendering rates. We demonstrate our approach by adding snow effects to static and dynamic scenes. An extension for creating rain effects is also presented.