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13 years 8 months ago
Maximum Likelihood Active Contours Specialized for Mammography Segmentation
We present a region-based active contour approach to segmenting masses in digital mammograms. The algorithm developed in a Maximum Likelihood approach is based on the calculation o...
Peyman Rahmati, A. Ayatollahi
SIGIR
2008
ACM
13 years 11 months ago
A study of query length
We analyse query length, and fit power-law and Poisson distributions to four different query sets. We provide a practical model for query length, based on the truncation of a Pois...
Avi Arampatzis, Jaap Kamps
CORR
2010
Springer
130views Education» more  CORR 2010»
13 years 11 months ago
Sharp Bounds on the Entropy of the Poisson Law and Related Quantities
One of the difficulties in calculating the capacity of certain Poisson channels is that H(), the entropy of the Poisson distribution with mean , is not available in a simple form. ...
José A. Adell, Alberto Lekuona, Yaming Yu
EUROSYS
2006
ACM
14 years 8 months ago
Understanding user behavior in large-scale video-on-demand systems
Video-on-demand over IP (VOD) is one of the best-known examples of “next-generation” Internet applications cited as a goal by networking and multimedia researchers. Without em...
Hongliang Yu, Dongdong Zheng, Ben Y. Zhao, Weimin ...