796 search results - page 79 / 160 » Approximating the centroid is hard |
ICVGIP
2004
13 years 9 months ago
2004
Most fingerprint matching systems are based on matching minutia points between two fingerprint images. Each minutia is represented by a fixed number of attributes such as the loca...
WSCG
2004
13 years 9 months ago
2004
Shadow mapping is a commonly used technique for generating hard shadows in real time. However, existing shadow map based algorithms cannot render full soft shadows penumbras onto ...
CG
2006
Springer
13 years 7 months ago
2006
Springer
Mesh deformation techniques that preserve the differential properties have been intensively studied. In this paper, we propose an equality-constrained least squares approach for s...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
Most models for online advertising assume that an advertiser's value from winning an ad auction, which depends on the clickthrough rate or conversion rate of the advertisemen...
PODS
2009
ACM
14 years 8 months ago
2009
ACM
The problem of finding heavy hitters and approximating the frequencies of items is at the heart of many problems in data stream analysis. It has been observed that several propose...