Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Image shooting moment determining method and system as well as vehicle speed detection method and system

An image capturing and determining method technology, applied in traffic control systems, traffic control systems for road vehicles, instruments, etc., can solve the problem that surveillance cameras cannot accurately know the image capturing time, and achieve the effect of improving accuracy

Active Publication Date: 2015-04-29
BEIJING LUSTER LIGHTTECH
View PDF5 Cites 12 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a method for determining the time of image shooting to solve the problem that the monitoring camera cannot accurately obtain the time of image shooting, thereby improving the accuracy of vehicle speed monitoring

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
  • Image shooting moment determining method and system as well as vehicle speed detection method and system
  • Image shooting moment determining method and system as well as vehicle speed detection method and system
  • Image shooting moment determining method and system as well as vehicle speed detection method and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] The embodiment of the present invention provides a method for determining the time of image shooting, which can solve the problem that the monitoring camera cannot accurately obtain the time of image shooting, and further improve the accuracy of monitoring the driving speed of the vehicle.

[0042] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention, and to make the above-mentioned purposes, features and advantages of the embodiments of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention are described below in conjunction with the accompanying drawings The program is described in further detail.

[0043] Please refer to the attached figure 1 , figure 1 The flowchart of the method for determining the image shooting moment provided by the embodiment of the present invention is shown. figure 1 The flow shown includes the ...

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 an image shooting moment determining method and system. The method comprises the following steps: low-precision moment information and a pulse per second signal are acquired from a Beidou time service module, wherein the low-precision moment information takes integral second as the minimum precision; the shooting frame rate of a monitoring camera is acquired so as to obtain an exposure trigger sequence corresponding to the shooting frame rate; the pulse per second signal is taken as a first exposure trigger signal of the exposure trigger sequence according to the shooting frame rate, and the monitoring camera is controlled for the first exposure; follow-up exposure is implemented sequentially by an exposure controller of the monitoring camera according to the exposure trigger sequence; and the shooting moment of each image corresponding to the exposure trigger sequence is calculated according to the low-precision moment information and the shooting frame rate. The invention further provides a vehicle speed detection method and system. With adoption of the scheme, the problem that the monitoring camera cannot acquire the image shooting moment accurately can be solved, and the vehicle traveling speed monitoring precision can be improved.

Description

technical field [0001] The present invention relates to the technical field of image acquisition, and more specifically, to a method and system for determining an image shooting time, and a vehicle speed detection method and system. Background technique [0002] As traffic becomes more and more developed, there are more and more vehicles on the road. In order to regulate safe driving and understand real-time road conditions, it is particularly necessary to monitor vehicles on the road. [0003] At present, image monitoring is one of the more common monitoring measures. In the actual image monitoring process, monitoring cameras are usually arranged at different positions on the road, and images of vehicle driving conditions are obtained through the shooting of monitoring cameras, and then calculated according to the time interval between two images and the distance of the vehicle in the image. out of the vehicle speed. For the same monitoring camera, the shooting time of e...

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
Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/054
Inventor 黄操杨艺郭跃云冯猛黄守伟
Owner BEIJING LUSTER LIGHTTECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com