Method and apparatus for correcting multi-screen connected wall

A technology of a correction device and a correction method, which is applied to the image reproducer of a projection device, a color TV, an instrument, etc., can solve the problems of poor versatility, increased time-consuming correction, and large error.
CN101076128AInactive Publication Date: 2007-11-21GUANGDONG VTRON TECH CO LTD
1 Cites 101 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
GUANGDONG VTRON TECH CO LTD
Publication Date
2007-11-21
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The apparatus comprises a correction unit composed of a video camera module for capturing the color information of the screen, an image data buffer module, and a main control module used for receiving and executing the computer command. Said video camera module and image data buffer module are respectively connected to the multi-screen display wall and computer via the main control module. The method comprises: appointing the image displayed by each display unit on the multi-screen display wall; said video camera module shoots at least one picture and saves it in the image data buffer module; the computer extracts the color information from each display unit; according to the color of each display unit, the computer corrects the difference between said display units.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The present invention relates to a calibration device and method for a display device, in particular to a multi-screen video wall calibration device and method. Background technique

[0002] With the development of computer information technology, the demand for multi-screen display equipment and technology in the fields of China Telecom, electric power, water conservancy, public security, urban transportation, road transportation and industrial production process monitoring has grown rapidly. The multi-screen digital video wall system can combine various Computer signals and video signals are displayed on the multi-screen splicing wall to form a set of information display management and control system with complete functions and advanced technology, providing users with an interactive man-machine interface, which can fully meet the real-time and multi-screen requirements of the dispatching command center. Show need. However, the consistent correction...

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