Method for detecting people crossing behavior based on video monitoring platform
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A technology for video surveillance and detection methods, applied in the direction of instruments, character and pattern recognition, anti-theft alarms, etc., can solve the problems of limited application scope, high false alarm rate, high system power consumption, etc., to achieve high computing efficiency and reduce usage. Cost and effect of saving server configuration
Inactive Publication Date: 2015-08-26
TIANJIN UNIV
View PDF4 Cites 18 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
However, limited by some objective factors, they also have many shortcomings: traditional schemes such as infrared have a low protection level, and are easy to cross or avoid for deliberate intruders; Turning, bending and other environmental restrictions, and they are not suitable for harsh climates, easily affected by natural climates such as high temperature, low temperature, strong light, dust, rain, snow, fog, frost, etc., and the false alarm rate is high; leaking cables and vibrating cables are Cable sensing, the sensing part is active, and the system consumes a lot of power; while electronic fences, power grids and other solutions have certain hazards
This limits the scope of application of the patent to a large extent
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0021] The general structure of the existing video surveillance system is: part of the picture taken by the analog camera is directly transmitted to the monitor for display through the cable, and the other part is transmitted to the hard disk video recorder. The analog signal entering the hard disk video recorder is transformed into a digital code stream. On the one hand, it is encoded and stored in the hard disk video recorder in the form of a file; Specific as figure 1 shown. Based on the detection software for people climbing over the fence formed by the method proposed by the present invention, the hard disk video recording can be connected through the network, the video data can be collected and analyzed in real time, and an alarm can be given if a person climbs over the fence.
[0022] The method of the present invention is specifically as figure 2 shown.
[0023] Each part is described in detail below:
[0024] 1. Code stream conversion
[0025] Since the analog c...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Login to view more
Abstract
The invention relates to a method for detecting people crossing behaviors based on a video monitoring platform. The method includes inputting video frames, marking a wall position with a straight line which is a warning line, editing the video frame according to the marked wall position for each frame of an image, extracting motion foreground images, carrying out binary processing and morphological filtering on foreground images, extracting connected domain by employing a boundary chain code extraction method to obtain a series of rectangular areas which may have human bodies, sorting out the rectangular areas which satisfy the position conditions, tracking images, and recording the top positions of the rectangles tracked for each frame to obtain a motion track. The method does not rely on color information in images, especially suitable of detection during the night. (Enclosure wall crossing events usually occur during the night) The calculating efficiency is high, server configuration can be saved, and the use cost is lowered.
Description
technical field [0001] The invention belongs to the field of intelligent video monitoring. Specifically, it belongs to a perimeter security system based on a common monocular camera and a single camera (that is, a general existing video surveillance platform). Background technique [0002] There are many solutions for traditional perimeter security, such as infrared radiation, microwave radiation, leakage cable, vibration cable, electronic fence, power grid, etc. However, limited by some objective factors, they also have many shortcomings: traditional schemes such as infrared have a low protection level, and are easy to cross or avoid for deliberate intruders; Turning, bending and other environmental restrictions, and they are not suitable for harsh climates, easily affected by natural climates such as high temperature, low temperature, strong light, dust, rain, snow, fog, frost, etc., and the false alarm rate is high; leaking cables and vibrating cables are Cable sensing,...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more 
Login to view more