Bicycle differentiation using video data analytics
First Claim
Patent Images
1. A method of detecting a presence of bicycles in a roadway for traffic signal controller management, comprising:
- creating a virtual bicycle zone in a field of view that includes in one or more lanes of a roadway near a traffic intersection;
generating a bicycle detection strip in or adjacent to the virtual bicycle zone;
detecting motion inside the bicycle detection strip using an object detection means; and
initiating one or more data processing functions embodied in a plurality of instructions configured to classify a type of object present as the object travels through the bicycle detection strip, the one or more data processing functions including determining whether the object present in the bicycle detection strip is classified as either a bicycle or as a motorized vehicle by analyzing a plurality of pixels that experience changes from frame to frame in a video data stream as the object passes through.
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Abstract
A vehicular observation and detection apparatus and system incorporates a detection framework using video analysis to differentiate between motorized vehicles and bicycles for improved traffic flow and safety at intersections. The detection framework creates virtual zones overlaid on lanes of a roadway and analyzes input data representing objects in the virtual zones collected from one or more cameras positioned at or near the roadway.
4 Citations
31 Claims
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1. A method of detecting a presence of bicycles in a roadway for traffic signal controller management, comprising:
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creating a virtual bicycle zone in a field of view that includes in one or more lanes of a roadway near a traffic intersection; generating a bicycle detection strip in or adjacent to the virtual bicycle zone; detecting motion inside the bicycle detection strip using an object detection means; and initiating one or more data processing functions embodied in a plurality of instructions configured to classify a type of object present as the object travels through the bicycle detection strip, the one or more data processing functions including determining whether the object present in the bicycle detection strip is classified as either a bicycle or as a motorized vehicle by analyzing a plurality of pixels that experience changes from frame to frame in a video data stream as the object passes through. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A vehicular detection apparatus comprising:
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a virtual bicycle zone overlaid on a field of view that includes on one or more lanes of a roadway near a traffic intersection; a bicycle detection strip applied to the virtual bicycle zone; one or more detection devices arranged relative to the one or more lanes of the roadway surface to sense a presence of an object in the bicycle detection strip and generate one or more signals for determination of whether the object is a bicycle or a motorized vehicle; a plurality of modules configured to apply data processing functions to the one or more signals generated by the plurality of detection devices, the one or more data processing functions embodied in a plurality of instructions configured to classify a type of the object present as the object travels through the bicycle detection strip, the data processing functions configured to determine whether the object present in the bicycle detection strip is classified as either a bicycle or as a motorized vehicle by analyzing a plurality of pixels that experience changes from frame to frame in a video data stream as the object passes through. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method of performing traffic management in an intended area, comprising:
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collecting input data triggered by movement of an object into a bicycle detection strip within or adjacent to a virtually-created bicycle zone in a field of view that includes one or more lanes of a roadway proximate to a traffic intersection, the input data collected from a plurality of detection devices located in or near each lane of the roadway; performing one or more data processing functions embodied in a plurality of instructions configured to classify a type of object from the input data as the object travels through the bicycle detection strip, the one or more data processing functions including determining whether the object present in the bicycle detection strip is classified as either a bicycle or as a motorized vehicle by analyzing a plurality of pixels that experience changes from frame to frame in a video data stream as the object passes through; and generating output data in one more signals to a traffic signal controller to adjust a timing of at least one traffic light in the traffic intersection where a bicycle is detected. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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24. A method of detecting a presence of bicycles in a roadway for traffic signal controller management, comprising:
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creating a virtual bicycle zone in a field of view that includes in one or more lanes of a roadway near a traffic intersection; generating a bicycle detection strip in the virtual bicycle zone; detecting motion inside the bicycle detection strip using an object detection means; and initiating one or more data processing functions embodied in a plurality of instructions configured to classify a type of object present as the object travels through the bicycle detection strip, the one or more data processing functions including determining whether the object present in the bicycle detection strip is classified as either a bicycle or as a motorized vehicle by analyzing a plurality of pixels in a video data stream as the object passes through by a comparison with other identified characteristics or features. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31)
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Specification