The zonal method for calculating light intensities in the presence of a participating medium
SIGGRAPH '87 Proceedings of the 14th annual conference on Computer graphics and interactive techniques
A lighting model aiming at drive simulators
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
A practical model for subsurface light transport
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
A practical model for subsurface light transport
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
International Journal of Computer Vision
All the Images of an Outdoor Scene
ECCV '02 Proceedings of the 7th European Conference on Computer Vision-Part III
IEEE Transactions on Image Processing
Path integration for light transport in volumes
EGRW '03 Proceedings of the 14th Eurographics workshop on Rendering
A practical analytic single scattering model for real time rendering
ACM SIGGRAPH 2005 Papers
Acquiring scattering properties of participating media by dilution
ACM SIGGRAPH 2006 Papers
Fast Animation of Lightning Using an Adaptive Mesh
IEEE Transactions on Visualization and Computer Graphics
SCA '07 Proceedings of the 2007 ACM SIGGRAPH/Eurographics symposium on Computer animation
Perceptual rendering of participating media
ACM Transactions on Applied Perception (TAP)
3-D Depth Reconstruction from a Single Still Image
International Journal of Computer Vision
Modeling and rendering of heterogeneous translucent materials using the diffusion equation
ACM Transactions on Graphics (TOG)
Real-time smoke rendering using compensated ray marching
ACM SIGGRAPH 2008 papers
ACM SIGGRAPH ASIA 2008 courses
ACM SIGGRAPH ASIA 2009 Courses
ACM SIGGRAPH 2009 Courses
A novel polychromatic model for light dispersion
ICISP'10 Proceedings of the 4th international conference on Image and signal processing
Descattering transmission via angular filtering
ECCV'10 Proceedings of the 11th European conference on Computer vision: Part I
Multiclass object classification for real-time video surveillance systems
Pattern Recognition Letters
Physically-based simulation of rainbows
ACM Transactions on Graphics (TOG)
International Journal of Computer Vision
Remote identification of faces: Problems, prospects, and progress
Pattern Recognition Letters
Artist-directable real-time rain rendering in city environments
NPH'06 Proceedings of the Second Eurographics conference on Natural Phenomena
Practical rendering of multiple scattering effects in participating media
EGSR'04 Proceedings of the Fifteenth Eurographics conference on Rendering Techniques
Parallel solution to the radiative transport
EG PGV'09 Proceedings of the 9th Eurographics conference on Parallel Graphics and Visualization
Visibility cameras: where and how to look
Proceedings of the 1st ACM international workshop on Multimedia analysis for ecological data
Modular flux transfer: efficient rendering of high-resolution volumes with repeated structures
ACM Transactions on Graphics (TOG) - SIGGRAPH 2013 Conference Proceedings
Hi-index | 0.00 |
Virtually all methods in image processing and computer vision, for removing weather effects from images, assume single scattering of light by particles in the atmosphere. In reality, multiple scattering effects are significant. A common manifestation of multiple scattering is the appearance of glows around light sources in bad weather. Modeling multiple scattering is critical to understanding the complex effects of weather on images, and hence essential for improving the performance of outdoor vision systems. We develop a new physics-based model for the multiple scattering of light rays as they travel from a source to an observer. This model is valid for various weather conditions including fog, haze, mist and rain. Our model enables us to recover from a single image the shapes and depths of sources in the scene. In addition, the weather condition and the visibility of the atmosphere can be estimated. These quantities can, in turn, be used to remove the glows of sources to obtain a clear picture of the scene. Based on these results, we demonstrate that a camera observing a distant source can serve as a "visual weather meter". The model and techniques described in this paper can also be used to analyze scattering in other media, such as fluids and tissues. Therefore, in addition to vision in bad weather, our work has implications for medical and underwater imaging.