US Patent No: 8,064,695 - Analytics, PDF, Full Text and PAIR Access

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Dark scene compensation in a background-foreground module of a video analysis system

ALSO PUBLISHED AS: 20090087093

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Abstract

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Embodiments of the present invention provide a method and a module for identifying a background of a scene depicted in an acquired stream of video frames that may be used by a video-analysis system. For each pixel or block of pixels in an acquired video frame a comparison measure is determined. The comparison measure depends on difference of color values exhibited in the acquired video frame and in a background image respectively by the pixel or block of pixels and a corresponding pixel and block of pixels in the background image. To determine the comparison measure, the resulting difference is considered in relation to a range of possible color values. If the comparison measure is above a dynamically adjusted threshold, the pixel or the block of pixels is classified as a part of the background of the scene.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
BEHAVIORAL RECOGNITION SYSTEMS, INC.HOUSTON, TX35

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blythe, Bobby Ernest - 37 204
Cobb, Wesley Kenneth Woodlands, TX 86 221
Eaton, John Eric Houston, TX 27 192
Saitwal, Kishor Adinath Houston, TX 49 146

Cited Art Landscape

Patent Info (Count) # Cites Year
 
BEHAVIORAL RECOGNITION SYSTEMS, INC. (6)
2008/0193,010 BEHAVIORAL RECOGNITION SYSTEM 35 2008
2009/0087,024 CONTEXT PROCESSOR FOR VIDEO ANALYSIS SYSTEM 17 2008
2009/0087,086 IDENTIFYING STALE BACKGROUND PIXELS IN A VIDEO ANALYSIS SYSTEM 8 2008
2009/0087,093 DARK SCENE COMPENSATION IN A BACKGROUND-FOREGROUND MODULE OF A VIDEO ANALYSIS SYSTEM 8 2008
2009/0087,096 BACKGROUND-FOREGROUND MODULE FOR VIDEO ANALYSIS SYSTEM 14 2008
2009/0087,085 TRACKER COMPONENT FOR BEHAVIORAL RECOGNITION SYSTEM 7 2008
 
ALTERA CORPORATION (1)
7,639,741 Temporal filtering using object motion estimation 9 2003
 
CANON KABUSHIKI KAISHA (1)
5,677,733 Exposure control device having a plurality of light detecting areas 20 1994
 
DIGITALOPTICS CORPORATION EUROPE LIMITED (1)
2008/0266,413 TECHNIQUES FOR ADJUSTING THE EFFECT OF APPLYING KERNALS TO SIGNALS TO ACHIEVE DESIRED EFFECT ON SIGNAL 17 2008
 
FREESCALE SEMICONDUCTOR, INC. (1)
7,236,190 Digital image processing using white balance and gamma correction 17 2002
 
HAMAMATSU PHOTONICS K.K. (1)
7,136,097 Camera system for high-speed image processing including selection of at least one frame based on processed results 14 2000
 
ICATCH TECHNOLOGY, INC. (1)
7,535,511 Automatic exposure control method and automatic exposure compensation apparatus 10 2006
 
ONSCREEN, INC. (1)
2004/0032,906 Foreground segmentation for digital video 52 2002
 
RESEARCH IN MOTION LIMITED (1)
7,710,466 Method and apparatus for controlling a camera module to compensate for the color spectrum of a white LED 5 2007
 
SMAL CAMERA TECHNOLOGIES (1)
7,349,574 System and method for processing non-linear image data from a digital imager 19 2003
 
SONY CORPORATION (1)
4,998,162 Video camera 30 1989

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
M. SOFT CO., LTD. (1)
8,611,647 Method for generating background image and system for generating background image 0 2008
 
PEPPERL + FUCHS GMBH (1)
8,285,046 Adaptive update of background pixel thresholds using sudden illumination change detection 0 2009

Maintenance Fees

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3.5 Year Payment $1600.00 $800.00 $400.00 May 22, 2015
7.5 Year Payment $3600.00 $1800.00 $900.00 May 22, 2019
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