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

Eyesight protection system based on three-dimensional camera shooting and method

A technology for three-dimensional photography and eye protection, applied in photography, stereo photography, image data processing, etc., can solve the problems of inaccuracy and calculation results easily affected by the size of the face, and achieve the effect of eliminating influence and improving accuracy

Active Publication Date: 2008-11-12
VIMICRO ELECTRONICS CORP
View PDF0 Cites 25 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the corresponding relationship between the face size and distance in the image obtained by this statistics can only be an average relationship. For a specific individual, due to the difference in the size of the face, the calculation result is easily affected by the size of the face. not precise enough

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
  • Eyesight protection system based on three-dimensional camera shooting and method
  • Eyesight protection system based on three-dimensional camera shooting and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] In the embodiment of the present invention, in order to prevent the calculation result of the distance between the human eye and the display screen from being affected by the size of the human face, it is not based on the principle of perspective imaging, but directly detects the position of the human eye and calculates the distance based on the depth calculation technology in 3D imaging. The distance between the human eye and the monitor screen. In practical applications, if the position of the human eye is not easy to detect, other feature positions in the face can also be detected, and the distance between the feature position and the display screen can be used as the distance between the human eye and the display screen, or it can also be detected For the upper half of the face, the average distance between the points in the upper half of the face and the display screen is taken as the distance between the human eye and the display screen.

[0038] In order to make ...

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 an eyesight protection system and a method based on three-dimensional videography, wherein the method comprises the following steps that: a display is taken as a videography center to obtain a human body image positioned in front of the display, and the position of a face setting zone is detected inside the human body image; according to the obtained position information of the face setting zone, the image of the face setting zone is determined inside the human body image; according to the image of the face setting zone and the calibration information of a three-dimensional videography unit, the distance between eyes and a display screen is calculated; moreover, when the calculated distance is less than a set protection distance, warning information is sent out. The technical proposal disclosed by the invention does not need to determine a safety distance according to the statistical information of face size, and eliminates the influence of face size on a calculated result.

Description

technical field [0001] The invention relates to vision protection technology, in particular to a vision protection system and method based on three-dimensional imaging. Background technique [0002] At present, display devices such as television sets and computers have become an indispensable part of people's daily life, and watching TV at close range for a long time and using computers are more and more threatening people's eyesight. Because the eye muscles are in a tense state when the eyes are staring at the monitor screen, if the distance between the eyes and the screen is too close, it is easy to cause visual fatigue and reduce vision. [0003] For this reason, a vision protection method is currently proposed. Based on the principle of perspective imaging, the method uses face detection and face size statistics to obtain the approximate distance between the face and the screen. When the distance is less than the set protection distance, Then give an alarm. [0004] Am...

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): A61F9/00G03B35/00G06T1/00G08B21/00
Inventor 谢东海黄英
Owner VIMICRO ELECTRONICS CORP
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