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175
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CVPR
2010
IEEE
15 years 11 months ago
2010
IEEE
We present an efficient and scalable technique for spatiotemporal segmentation of long video sequences using a hierarchical graph-based algorithm. We begin by oversegmenting a vol...
174
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DAC
2005
ACM
16 years 7 months ago
2005
ACM
Channel estimation and multiuser detection are enabling technologies for future generations of wireless applications. However, sophisticated algorithms are required for accurate c...
204
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EGH
2010
Springer
15 years 4 months ago
2010
Springer
The k-D tree is a well-studied acceleration data structure for ray tracing. It is used to organize primitives in a scene to allow efficient execution of intersection operations be...
153
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ICPR
2008
IEEE
16 years 1 months ago
2008
IEEE
Every-day, the postal sorting systems diffuse several tons of mails. It is noted that the principal origin of mail rejection is related to the failure of address-block localizatio...
158
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CVPR
1997
IEEE
15 years 11 months ago
1997
IEEE
The exact positioning of patients during radiotherapy is essential for high precision treatment. The registration of portal image sequences can help to control the patient positio...