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» On the Removal of Shadows from Images
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ICPR
2006
IEEE
14 years 8 months ago
Camera Calibration from Two Shadow Trajectories
We introduce an efficient method for recovering the camera parameters automatically from the cast shadows of two 3D points observed over time. Compared to previous related work, o...
Fei Lu, Xiaochun Cao, Yuping Shen, Hassan Foroosh
CVPR
1999
IEEE
14 years 9 months ago
Illumination Distribution from Shadows
The image irradiance of a three-dimensional object is known to be the function of three components: the distribution of light sources, the shape, and reflectance of a real object ...
Imari Sato, Yoichi Sato, Katsushi Ikeuchi
ICIAP
2001
Springer
14 years 7 months ago
Detecting Objects, Shadows and Ghosts in Video Streams by Exploiting Color and Motion Information
Many approaches to moving object detection for traffic monitoring and video surveillance proposed in the literature are based on background suppression methods. How to correctly a...
Rita Cucchiara, Costantino Grana, Andrea Prati, Ma...
DAGM
2009
Springer
13 years 5 months ago
Shadow Detection in Dynamic Scenes Using Dense Stereo Information and an Outdoor Illumination Model
Abstract. We present a system for detecting shadows in dynamic outdoor scenes. The technique is based on fusing background subtraction operations performed on both color and dispar...
Claus B. Madsen, Thomas B. Moeslund, Amit Pal, Sha...
CVPR
2004
IEEE
14 years 9 months ago
Detection and Removal of Rain from Videos
The visual effects of rain are complex. Rain consists of spatially distributed drops falling at high velocities. Each drop refracts and reflects the environment, producing sharp i...
Kshitiz Garg, Shree K. Nayar