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

Intelligent correction method for distortion of multi-projection display system

A display system and correction method technology, applied in the field of computer vision, can solve problems such as solving errors in nonlinear mapping relationships, limiting the intelligence of multi-projection display systems, etc.

Active Publication Date: 2020-05-19
CHANGCHUN UNIV OF SCI & TECH
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above-mentioned method can realize the distortion and distortion correction to the multi-projection display screen to a certain extent, there will be problems when each projector unit projects the characteristic pattern, because the projected display surface cannot receive all the projected characteristic patterns, which will lead to abnormal Problems such as solving the linear mapping relationship incorrectly limit the intelligence of the multi-projection display system to a certain extent

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
  • Intelligent correction method for distortion of multi-projection display system
  • Intelligent correction method for distortion of multi-projection display system
  • Intelligent correction method for distortion of multi-projection display system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] Below in conjunction with accompanying drawing, the present invention will be further described: as figure 1 As shown, an intelligent correction method for distortion of a multi-projection display system, a computer 1, a camera 2, a projection unit 3, and a projection display screen 4; it is characterized in that: the camera 2 is connected to the computer 1 through a cable, and the projector is connected to the computer through a cable. 3. Connect with computer 1;

[0024] The specific steps are as follows:

[0025] Step 1, set the characteristic circle radius cr=10pixel in the projected characteristic pattern, the characteristic circle number xnum=10 in the horizontal direction, and the characteristic circle number ymun=10 in the vertical direction; construct matrix pro_marry, its size is xnum row, ynum column, where the i-th row in the matrix pro_marry, the j-th column matrix value pro_marry(i, j) stores the cvPoint point type in opencv2.4.10, that is, pro_mar...

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 relates to an intelligent correction method for distortion of a multi-projection display system, which is characterized in that a camera is connected to a computer through a cable; a projection feature pattern with a central region as an unique identification criterion is designed; after the camera acquires the projected feather pattern, the central region of the feature pattern is confirmed firstly, feather mapping solving is performed around the central region as a reference, and then the problem that mapping between projectors and a display surface cannot be solved while the projection feature pattern is lost on the projection display surface can be solved.

Description

technical field [0001] The invention relates to an intelligent correction method for distortion of a multi-projection display system, which belongs to the technical field of computer vision. Background technique [0002] With the rapid development of computer vision technology, projection display plays an increasingly important role in people's daily life. The Shanghai World Expo fully demonstrated the infinite charm of multi-projection display technology. Therefore, the multi-projection display system can not only Enhance the resolution of the display screen, but also provide an immersive scene. At present, the application range of multi-projection systems is getting wider and wider. Projection interaction enhancement devices often appear in various shopping malls. The interactive experience of users is very shocking. Therefore, multi-projection display technology has become one of the current research hot topics. However, in order to achieve seamless splicing of multi-pro...

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): H04N9/31
CPCH04N9/3185
Inventor 韩成张超杨帆蒋振刚杨华民胡汉平丁莹权巍李华
Owner CHANGCHUN UNIV OF SCI & TECH
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