81 search results - page 13 / 17 » Camera Calibration from a Single Night Sky Image |
CVPR
2003
IEEE
14 years 9 months ago
2003
IEEE
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 reali...
CVPR
2005
IEEE
14 years 9 months ago
2005
IEEE
Compared to scanned images, document pictures captured by camera can suffer from distortions due to perspective and page warping. It is necessary to restore a frontal planar view ...
HAPTICS
2006
IEEE
14 years 1 months ago
2006
IEEE
This paper presents an external camera method for measuring fingertip forces by imaging the fingernail and surrounding skin. This method is an alternative to the photoplethysmog...
VRST
2005
ACM
14 years 1 months ago
2005
ACM
Many mixed-reality systems require real-time composition of virtual objects with real video. Such composition requires some description of the virtual and real scene geometries an...
CGF
2005
13 years 7 months ago
2005
We present an algorithm to automatically estimate three-dimensional light positions from an unordered set of images. We collect images using a single stationary camera while manua...