Two channels have been distinguished in human interaction: one transmits explicit
messages, which may be about anything or nothing; the other transmits implicit messages …

An algorithm for tracking a person's head is presented. The head's projection onto the image
plane is modeled as an ellipse whose position and size are continually updated by a local …

This paper studies a statistical skin-color model and its adaptation. It is revealed that (1)
human skin colors cluster in a small region in a color space;(2) the variance of a skin color …

Related US Application Data(57) ABSTRACT (60) Provisional application No. 60/478,211,
filed on Jun. A system for estimating orientation of a target based on 12, 2003. real-time …

An integrated system for the acquisition, normalisation and recognition of moving faces in
dynamic scenes is introduced. Four face recognition tasks are defined and it is argued that …

We present the combination of an illumination invariant approach to face detection
combined with a tracking mechanism used for improving speed and accuracy of the system …

Detecting faces across multiple views is more challenging than in a fixed view, eg frontal
view, owing to the significant non-linear variation caused by rotation in depth, self-occlusion …

Certain home automation systems and techniques are known. Many known home
automation systems and tech niques may generally be classified as reactive to a real-time …

4,937,665 A 6/1990 Schiffman................... 358/103 control unit analyzes the object images of
at least one 5,001,558 A 3/1991 Burley et a1................ 358/113 predetermined type to …

Video analysis of human dynamics is an important area of research devoted to detecting
people and understanding their dynamic physical behavior in a complex environment that …