Video imagery-based sensor
First Claim
Patent Images
1. A sensing device, comprising:
- a video imager to obtain a video comprising a stream of video images within a field of view of the video imager;
a processing unit having a processor to receive and process the stream of video images of said video from the video imager to count a number of at least one of humans or objects in the field of view of the video imager based solely on the video, wherein said process comprises;
segmenting said at least one of humans or objects represented in at least one of said stream of video images, and tracking a movement of said at least one of humans or objects over said stream of video images; and
a communication channel to output non-imagery signals based on the video and not to output images or video from the video imager, at least one of the non-imagery signals representing the counted number of said at least one of humans or objects in the field of view.
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Abstract
A sensing device includes: a video imager to obtain video of an area; a processing unit to receive and process the video from the video imager to identify one of an event or a datum of interest; and a communication channel to output a non-imagery signal representing the event or datum.
92 Citations
41 Claims
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1. A sensing device, comprising:
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a video imager to obtain a video comprising a stream of video images within a field of view of the video imager; a processing unit having a processor to receive and process the stream of video images of said video from the video imager to count a number of at least one of humans or objects in the field of view of the video imager based solely on the video, wherein said process comprises;
segmenting said at least one of humans or objects represented in at least one of said stream of video images, and tracking a movement of said at least one of humans or objects over said stream of video images; anda communication channel to output non-imagery signals based on the video and not to output images or video from the video imager, at least one of the non-imagery signals representing the counted number of said at least one of humans or objects in the field of view. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A method of monitoring a scene, comprising:
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receiving video data about the scene from a video imager; activating a learn mode of a processing unit having a processor; configuring said monitoring by defining an area of interest in the scene with the processing unit based solely on tracking a configuration person or a configuration object in the scene from the video data, while the learn mode is activated; subsequently counting a number of at least one of humans or objects in relation to the area of interest based solely on the area of interest and the video data by the processing unit, while the learn mode is deactivated; and outputting non-imagery signals based on the video and not outputting images or video from the video imager, at least one of the non-imagery signals representing the counted number of at least one of humans or objects. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37)
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38. A sensing device, comprising:
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a video imager to obtain video within a field of view of the video imager; a processing unit having a processor to; configure by receiving and processing the video from the video imager to identify a tripwire based solely on tracking a configuration person or a configuration object in the field of view of the video imager, and to define a specified direction of crossing the tripwire based solely on tracking the configuration person or the configuration object in the field of view of the video imager, and subsequently count a number of at least one of humans or objects crossing the tripwire in the specified direction based solely on the video, the tripwire, and the specified direction of crossing the tripwire; and a communication channel to output non-imagery signals based on the video and not to output images or video from the video imager, at least one of the non-imagery signals representing the number of tripwire crossings in the specified direction. - View Dependent Claims (39, 40, 41)
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Specification