A method and device for determining target coordinate transformation information

A technology of coordinate transformation and target coordinates, applied in geographic information databases, image analysis, image enhancement, etc., can solve problems such as self-inability, lack of spatial computing capabilities, and determination of spatial constraint relationships, so as to improve utilization rate and image utilization rate, and the effect of increasing the degree of association

Active Publication Date: 2022-04-26
HISCENE INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary PTZ camera devices have no calibration internal parameters, so they do not have spatial computing capabilities
Moreover, it is difficult for the PTZ camera devices in the city to ensure the overlap of the field of view, so the spatial constraint relationship between multiple camera devices cannot be determined by itself.

Method used

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  • A method and device for determining target coordinate transformation information
  • A method and device for determining target coordinate transformation information
  • A method and device for determining target coordinate transformation information

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Embodiment Construction

[0023] The application will be described in further detail below in conjunction with the accompanying drawings.

[0024] In a typical configuration of the present application, the terminal, the device serving the network, and the trusted party all include one or more processors (for example, a central processing unit (Central Processing Unit, CPU)), an input / output interface, a network interface and Memory.

[0025] Memory may include non-permanent memory in computer-readable media, random access memory (Random Access Memory, RAM) and / or non-volatile memory, such as read-only memory (Read Only Memory, ROM) or flash memory (Flash Memory). Memory is an example of computer readable media.

[0026] Computer-readable media, including both permanent and non-permanent, removable and non-removable media, can be implemented by any method or technology for storage of information. Information may be computer readable instructions, data structures, modules of a program, or other data. ...

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PUM

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Abstract

The purpose of this application is to provide a method and equipment for determining target coordinate transformation information, which specifically includes: acquiring real-time bearer status information of a target PTZ camera device that photographs a corresponding target object; acquiring internal parameters and target mappings corresponding to the target PTZ camera device Parameter information, determining coordinate transformation information corresponding to the target PTZ camera device according to the real-time bearer state information and corresponding target mapping parameter information, thereby determining corresponding first coordinate transformation information according to the coordinate transformation information and the internal reference; The corresponding target coordinate transformation information is determined according to the first coordinate transformation information and the second coordinate transformation information from the geographic coordinate system to the world coordinate system. The application can realize the coordinate transformation between the image frame and the electronic map in the PTZ camera device, and then complete the data linkage of GIS information in the electronic map and the captured image frame, and improve the image utilization rate of the PTZ camera device.

Description

technical field [0001] The present application relates to the communication field, and in particular to a method and device for determining target coordinate transformation information. Background technique [0002] PTZ camera device refers to a surveillance camera with a PTZ control pan / tilt. PTZ is the abbreviation of Pan / Tilt / Zoom. The middle of the surveillance camera refers to the three dimensions of pan / tilt control: left and right rotation, up and down pitch, and zoom. Most of the current urban management systems rely on multi-channel monitoring networks or video images of drone cruises and ground duty personnel to monitor key areas of the city. Traditional surveillance cameras only have image acquisition and basic PTZ pan / tilt control functions, and are independent of each other, while UAVs have short battery life and can cover a small space and time period. Ordinary PTZ camera devices have no calibration internal parameters, so they do not have spatial computing ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/80G06F16/29
CPCG06T7/80G06F16/29G06T2207/10016
Inventor 刘理想周俊颖侯晓辉
Owner HISCENE INFORMATION TECH CO LTD
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