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Title: Systems and methods for sensing occupancy

A computer implemented method for sensing occupancy of a workspace includes creating a difference image that represents luminance differences of pixels in past and current images of the workspace resulting from motion in the workspace, determining motion occurring in regions of the workspace based on the difference image, and altering a workspace environment based at least in part on the determined motion. The method also includes determining which pixels in the difference image represent persistent motion that can be ignored and determining which pixels representing motion in the difference image are invalid because the pixels are isolated from other pixels representing motion.
Authors:
; ; ; ;
Publication Date:
OSTI Identifier:
1156948
Report Number(s):
8,831,287
14/124,998
DOE Contract Number:
EE0003114
Resource Type:
Patent
Research Org:
Utah State University, Logan, UT (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
97 MATHEMATICS AND COMPUTING