Check patentability & draft patents in minutes with Patsnap Eureka AI!

Method and device for estimating white balance parameters of captured frames

A parameter estimation and white balance technology, which is applied to color TV parts, road vehicle traffic control systems, instruments, etc., can solve the loss of live frame data, the white balance calculation and processing of unable to capture frames, and the image deviation of captured frames. Color and other issues

Active Publication Date: 2018-01-02
ZHEJIANG UNIVIEW TECH CO LTD
View PDF9 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The purpose of the present invention is to provide a method and device for estimating white balance parameters of captured frames, so as to solve the problem that the prior art cannot effectively calculate and process the white balance of captured frames, resulting in loss of live frame data or color cast in captured frame images The problem

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
  • Method and device for estimating white balance parameters of captured frames
  • Method and device for estimating white balance parameters of captured frames
  • Method and device for estimating white balance parameters of captured frames

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0054] The technical solution of the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments, and the following embodiments do not constitute a limitation of the present invention.

[0055] Such as figure 1 As shown, a white balance parameter estimation method for captured frames includes:

[0056] Step S1, each time a live frame is recorded, the brightness of each color component of the ambient light corresponding to the live frame is calculated according to the statistical brightness of the live frame and the live exposure corresponding to the live frame, and the average value of each color component of the recorded ambient light is updated. brightness.

[0057] The image frame captured by the bayonet camera in this embodiment using ambient light is called a live frame, and the image frame captured after supplementing the environment with a strobe light is called a snap frame. Apart from the possible inconsi...

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 discloses a method and device for estimating white balance parameters of snapshot frames. The average brightness of each color component of ambient light is calculated from multi-frame live frame image data and updated in real time, and then the average brightness of each color component of ambient light is calculated. As the brightness of each color component of ambient light in the captured frame, the brightness of each color component produced by the flashing light to the environment is calculated, and the burst is calculated according to the brightness of each color component produced by the flashing light to the environment in the multi-frame snapshot The average brightness of each color component generated by the flashlight to the environment, using the average brightness of each color component of the ambient light and the average brightness of each color component generated by the flashlight to the environment to calculate the estimated white balance parameters of the captured frame, which solves the existing problem The technology cannot effectively calculate and process the white balance of the captured frame, resulting in the loss of live frame data or the color cast of the captured frame image.

Description

technical field [0001] The invention belongs to the technical field of video monitoring, and in particular relates to a method and device for estimating a white balance parameter of a captured frame. Background technique [0002] With the development of the economy, the use of transportation tools is also increasing year by year, and the subsequent traffic safety and traffic congestion have become difficult problems in urban transportation. At present, the intelligent transportation system has been widely used, which can greatly solve and prevent traffic problems. [0003] As an important part of intelligent transportation, the bayonet camera takes surveillance images of motor vehicles at some road sections, entrances and exits, checkpoints and other checkpoints. Under normal circumstances, the bayonet camera uses ambient light to capture images to obtain live images, and the image frames captured under normal conditions are used for video stream encoding, called live frame...

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 Patents(China)
IPC IPC(8): H04N9/73H04N9/793G08G1/017
CPCH04N9/73H04N9/793G08G1/0175H04N23/88
Inventor 张德陈多明
Owner ZHEJIANG UNIVIEW TECH CO LTD
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com