Sciweavers

4842 search results - page 279 / 969
» Combining Estimators to Improve Performance
Sort
View
ISBI
2009
IEEE
16 years 1 months ago
Transrectal Ultrasound Prostate Biopsy Tracking with Efficient and Accurate Deformation Estimation
Prostate cancer is the most frequent cancer for men and the second cause of cancer death. Confirmation of cancer requires transrectal prostate biopsies. Tracking systems for tran...
Michael Baumann, Pierre Mozer, Vincent Daanen, Joc...
ICASSP
2008
IEEE
16 years 1 months ago
Confidence estimation, OOV detection and language ID using phone-to-word transduction and phone-level alignments
Automatic Speech Recognition (ASR) systems continue to make errors during search when handling various phenomena including noise, pronunciation variation, and out of vocabulary (O...
Christopher M. White, Geoffrey Zweig, Lukas Burget...
SIGIR
2006
ACM
16 years 18 days ago
Regularized estimation of mixture models for robust pseudo-relevance feedback
Pseudo-relevance feedback has proven to be an effective strategy for improving retrieval accuracy in all retrieval models. However the performance of existing pseudo feedback meth...
Tao Tao, ChengXiang Zhai
DAGM
2005
Springer
16 years 5 days ago
Three-Dimensional Shape Knowledge for Joint Image Segmentation and Pose Estimation
Abstract. This paper presents the integration of 3D shape knowledge into a variational model for level set based image segmentation and tracking. Having a 3D surface model of an ob...
Thomas Brox, Bodo Rosenhahn, Joachim Weickert
IPMI
2005
Springer
16 years 4 days ago
Coil Sensitivity Estimation for Optimal SNR Reconstruction and Intensity Inhomogeneity Correction in Phased Array MR Imaging
Abstract. Magnetic resonance (MR) images can be acquired by multiple receiver coil systems to improve signal-to-noise ratio (SNR) and to decrease acquisition time. The optimal SNR ...
Prashanthi Vemuri, Eugene G. Kholmovski, Dennis L....