Map positioning method and system applied to indoor video monitoring system

A video surveillance system and video surveillance technology, applied in image analysis, image data processing, instruments, etc., can solve problems such as time-consuming and complicated processes

Active Publication Date: 2021-04-16
INFORMATION SCI RES INST OF CETC
View PDF2 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually this measurement process is done manually, which is complex and time-consuming in multi-camera video surveillance systems
If the user ad

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
  • Map positioning method and system applied to indoor video monitoring system
  • Map positioning method and system applied to indoor video monitoring system
  • Map positioning method and system applied to indoor video monitoring system

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0046]The present disclosure will be described in further detailed in connection with the drawings and specific embodiments, in connection with the drawings and specific embodiments.

[0047]First, refer tofigure 1 An example electronic device for implementing a map positioning method and a system for implementing an embodiment of the present disclosure is used.

[0048]Such asfigure 1 As shown, the electronic device 200 includes one or more processor 210, one or more storage device 220, one or more input device 230, one or more output devices 240, etc., these components are passed through bus systems 250 and / or others. Form connection mechanism interconnect. It should be noted thatfigure 1 The components and structures of the electronic devices shown are merely exemplary, rather than restrictive, and electronic devices may have other components and structures as needed.

[0049]Processor 210 can be a central processing unit (CPU), or may be composed of a plurality of processing cores, or ...

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

No PUM Login to view more

Abstract

The invention provides a map positioning method and system applied to an indoor video monitoring system, and the method comprises the steps: building an indoor three-dimensional map through a visual SLAM technology, and building a corresponding relation between the built indoor three-dimensional map and an indoor plane structure diagram; calculating the position and posture of a video monitoring camera by using a repositioning principle in a visual SLAM technology, thereby calculating a homography matrix from a video monitoring picture to a plane structure diagram; and converting the identified and extracted target in the video monitoring picture into a plane structure chart through the spatial transformation of the homography matrix, thereby realizing the display and marking of the target in the plane structure chart. According to the invention, the position relationship between the video monitoring image and the plane structure diagram can be automatically calculated without manual measurement, so that the target in the video monitoring image is marked at the corresponding position in the plane structure diagram. Even if the angle of the video monitoring camera is adjusted in the subsequent using process, the map positioning function can still be automatically achieved.

Description

technical field [0001] The disclosure belongs to the technical field of video monitoring, and in particular relates to a map positioning method and system applied to an indoor video monitoring system. Background technique [0002] The indoor video surveillance system with positioning function can display or mark the specific targets appearing in the video surveillance in the indoor plan structure diagram. In order to mark the target in the video surveillance image in the planar structure diagram, it is necessary to establish the corresponding relationship between the video surveillance image and the planar structure diagram. By setting some mapping points in space, collect the pixel coordinates of the mapping points in the video surveillance image, correspondingly, measure the position of the mapping point in the actual scene, and then correspond to the position in the planar structure diagram, through these mapping The point data calculates the corresponding relationship b...

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
no application Login to view more
IPC IPC(8): G06T7/80G06T7/70G06T17/05
Inventor 孟繁乐查文中王蓉辛紫华
Owner INFORMATION SCI RES INST OF CETC
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap