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CGF
2010
14 years 6 months ago
2010
Existing algorithms can efficiently render refractive objects of constant refractive index. For a medium with a continuously varying index of refraction, most algorithms use the r...
IJISTA
2010
14 years 8 months ago
2010
—Camera motion estimation plays an important role in digital video analysis algorithms such as video indexing and retrieval or automatic movie analysis. Several algorithms have b...
BMVC
1998
14 years 11 months ago
1998
When using a gradient-basedmethod to determine the optical flow field for an image sequence, it is generally appreciated that some spatial pre-filtering of the images is usually n...
ICPR
2000
IEEE
15 years 1 months ago
2000
IEEE
In this paper we propose an efficient, non-iterative method for estimating optical flow. We develop a probabilistic framework that is appropriate for describing the inherent uncer...
ASSETS
2005
ACM
14 years 11 months ago
2005
ACM
The possibility of pre-compensating images in a computer display according to the visual aberrations previously assessed in an optical system (e.g., the computer user’s eye) has...