18155 search results - page 117 / 3631 » Point |
ICCV
1999
IEEE
16 years 3 months ago
1999
IEEE
We describe two direct quasilinear methods for camera pose (absolute orientation) and calibration from a single image of 4 or 5 known 3D points. They generalize the 6 point `Direc...
ICIP
2004
IEEE
16 years 3 months ago
2004
IEEE
This paper introduces a shape descriptor, the soft shape context, motivated by the shape context method. Unlike the original shape context method, where each image point was hard ...
105
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ICIP
2004
IEEE
16 years 3 months ago
2004
IEEE
Perceptual image hashing maps an image to a fixed length binary string based on the image's appearance to the human eye, and has applications in image indexing, authenticatio...
108
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CHI
2008
ACM
16 years 2 months ago
2008
ACM
Pointing is a fundamental enabling operation for human-computer interaction across a broad spectrum of scenarios. The paper presents a study exploring how to develop a pointing sy...
CHI
2007
ACM
16 years 2 months ago
2007
ACM
Using a stylus on a tablet computer to acquire small targets can be challenging. In this paper we present pointing lenses ? interaction techniques that help users acquire and sele...