510 search results - page 18 / 102 » Gradient Estimation Revitalized |
PR
2007
13 years 9 months ago
2007
We introduce a new graph cut for clustering which we call the Information Cut. It is derived using Parzen windowing to estimate an information theoretic distance measure between p...
MICCAI
2009
Springer
14 years 11 months ago
2009
Springer
We propose to use the sparseness property of the gradient probability distribution to estimate the intensity nonuniformity in medical images, resulting in two novel automatic metho...
PRL
2008
13 years 9 months ago
2008
The classical gradient vector flow (GVF) method suffers from deficiency in the presence of other significant edges adjacent to the real boundary. In this paper, we propose an impr...
ASPDAC
2004
ACM
14 years 3 months ago
2004
ACM
This paper describes a sub-mW motion estimation processor core for MPEG-4 video encoding. It features a Gradient Descent Search algorithm whose computation power is only 7% of the...
ICPR
2004
IEEE
14 years 11 months ago
2004
IEEE
The paper considers making inferences about the underlying true 2-D motion when only evaluations of a local block-based cost function, the mean of absolute or squared differences,...