428 search results - page 67 / 86 » Unsupervised mammograms segmentation |
JCP
2007
13 years 7 months ago
2007
Abstract— Analyzing unknown data sets such as multispectral images often requires unsupervised techniques. Data clustering is a well known and widely used approach in such cases....
CVPR
2011
IEEE
13 years 2 months ago
2011
IEEE
We present an unsupervised, shape-based method for joint clustering of multiple image segmentations. Given two or more closely-related images, such as nearby frames in a video seq...
ECCV
2008
Springer
14 years 9 months ago
2008
Springer
Abstract. This paper presents a novel framework for detecting abnormal pedestrian and vehicle behaviour by modelling cross-correlation among different co-occurring objects both loc...
ICIP
2005
IEEE
14 years 1 months ago
2005
IEEE
In this paper, we propose a novel technique for modelbased recognition of complex object motion trajectories using Hidden Markov Models (HMM). We build our models on Principal Com...
CVPR
2004
IEEE
14 years 9 months ago
2004
IEEE
We present an unsupervised technique for detecting unusual activity in a large video set using many simple features. No complex activity models and no supervised feature selection...