Method for distinguishing optical axis of camera in real time

A camera and optical axis technology, which is used in real-time discrimination of the relative pose of objects in machine vision, real-time discrimination of the optical axis of cameras, and can solve problems such as poor user experience, LED screen absorption, and unsatisfactory laser effects.

Inactive Publication Date: 2015-11-18
RES INST OF BIT & ZHONGSHAN
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has the following disadvantages: the effect of the laser on the strong light background is not ideal, and it is easily absorbed by the LED screen. The second point is that the laser has hidden dangers to the safety of human eyes.
The disadvantage is that the mechanical precision is high and the user experience is not good

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 for distinguishing optical axis of camera in real time
  • Method for distinguishing optical axis of camera in real time
  • Method for distinguishing optical axis of camera in real time

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Step 1: If figure 1 , install LEDs on the game display screen to blink, and the number of installed LEDs to blink depends on the size of the field of view. The virtual gun has a built-in high-speed camera for real-time acquisition of LED flashing images installed on the screen, and performs background light removal processing on the collected LED flashing images installed on the screen. The method for removing background light is preferably the frame difference method.

[0051] Step 2: According to the real-time collection of LED flickering points on the game screen by the virtual gun and the parity of LED flickering, the mapping relationship between the collected LED flickering position and the actual position of the LED flickering on the game display screen is established, so as to realize real-time judgment of the relative pose of objects in machine vision.

[0052] The specific implementation method of described step 2 is:

[0053] Step 2.1: Define an odd frame whe...

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 for distinguishing the optical axis of a camera in real time, relates to a method for distinguishing relative poses of objects in machine vision in real time, and belongs to the field of machine vision. The method comprises steps as follows: Step one, LED flickers are mounted on a game display screen, a high-speed camera for acquiring images of the LED flickers mounted on the screen in real time is arranged in a virtual gun, and backlight removal treatment is performed on the acquired images of the LED flickers mounted on the screen; Step two, the mapping relation between acquired LED flicker positions and actual positions of the LED flickers on the game display screen is established according to parity of point numbers of the LED flickers, acquired by the virtual gun in real time, on the game screen and the LED flickers, and the relative poses of the objects in machine vision are distinguished in real time. According to the method, the position of the optical axis of the camera in machine vision is distinguished through LEDs arranged on the game display screen and calculation of the virtual gun mapping position relation, and the method is high in distinguishing speed and high in result precision and is slightly interfered by the outside.

Description

technical field [0001] The invention relates to a method for real-time judging the optical axis of a camera, in particular to a method for real-time judging the relative pose of an object in machine vision, belonging to the field of machine vision. Background technique [0002] With the development of science and technology, the demand for human-computer interaction has become more and more. Adding human-computer interaction to electronic games will make the game more realistic and win the market. In the simulated shooting game, we need to calculate the coordinates of the virtual gun on the screen in real time. At this time, we must know the relative position of the virtual gun and the screen. [0003] The traditional method is to use laser positioning, that is, the laser is fired when the gun is fired, and the position of the laser can be obtained to obtain the shooting position of the virtual gun. This method has the following disadvantages: the effect of the laser on the...

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): G01C11/04
CPCG01C11/04
Inventor 魏平刘羽邵立伟魏力中刘增志高晶晶王倩
Owner RES INST OF BIT & ZHONGSHAN
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