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» Automatic Image Orientation Detection
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TIP
2008
169views more  TIP 2008»
13 years 9 months ago
Weakly Supervised Learning of a Classifier for Unusual Event Detection
In this paper, we present an automatic classification framework combining appearance based features and Hidden Markov Models (HMM) to detect unusual events in image sequences. One...
Mark Jager, Christian Knoll, Fred A. Hamprecht
CVPR
2012
IEEE
11 years 11 months ago
Multi view registration for novelty/background separation
We propose a system for the automatic segmentation of novelties from the background in scenarios where multiple images of the same environment are available e.g. obtained by weara...
Omid Aghazadeh, Josephine Sullivan, Stefan Carlsso...
CVPR
2007
IEEE
14 years 11 months ago
Detection and segmentation of moving objects in highly dynamic scenes
Detecting and segmenting moving objects in dynamic scenes is a hard but essential task in a number of applications such as surveillance. Most existing methods only give good resul...
Aurélie Bugeau, Patrick Pérez
CVPR
2007
IEEE
14 years 11 months ago
Closed-Loop Tracking and Change Detection in Multi-Activity Sequences
We present a novel framework for tracking of a long sequence of human activities, including the time instances of change from one activity to the next, using a closed-loop, non-li...
Bi Song, Namrata Vaswani, Amit K. Roy Chowdhury
DEXAW
2010
IEEE
186views Database» more  DEXAW 2010»
13 years 7 months ago
Gaze-tracking and Acoustic Vector Sensors Technologies for PTZ Camera Steering and Acoustic Event Detection
—An innovative application of gaze-tracking and acoustic vector sensors (AVS) technologies for guidance of moving pan- tilt-zoom (PTZ) monitoring camera is presented. Gaze-tracki...
Jozef Kotus, Bartosz Kunka, Andrzej Czyzewski, Pio...