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Image lattice displaying-format changing method and system

A format conversion and dot matrix display technology, applied to static indicators, cathode ray tube indicators, instruments, etc., can solve the problem that the receiving display terminal cannot display image signals normally

Inactive Publication Date: 2007-01-10
KONKA GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for a receiving display terminal, the format of the received or input image signal may be different from its own image dot matrix display format, and this inconsistency will cause the receiving display terminal to fail to display the received or input image signal normally.

Method used

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  • Image lattice displaying-format changing method and system
  • Image lattice displaying-format changing method and system
  • Image lattice displaying-format changing method and system

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Experimental program
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Embodiment Construction

[0022] Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:

[0023] figure 1 is the pixel matrix diagram of the initial image display format, such as figure 1 As shown, the pixel dot matrix of the initial image display format is M rows and N columns, and the total number of pixels is M*N. The frame memory is driven by the clock pulse and controlled by the input address generator. According to this pixel matrix, each pixel The content is written to the corresponding address unit in the memory. For the pixel aij in the i-th row and j-column,

[0024] aij=a[j, i] 1-1

[0025] (The square brackets are the storage address of aij in the frame memory)

[0026] figure 2 It is a schematic diagram of the pixel matrix after display format conversion, such as figure 2 As shown, the new format pixel matrix after display format conversion is F row L column, the total number of pixels is F*L, but F≠M, L≠N, corresponding ...

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Abstract

The present invention refers to image dot matrix display format conversion method. It contains 1, judging whether frame buffer line number or column number concordance with displayed picture lattice, If discordance then executing step 2; 2, reading frame buffer each pixel address line and column value; 3, subtracting one from displayed picture lattice column number and storing in first memory unit; subtracting one from displayed picture lattice line number and storing in second memory unit; 4, frame buffer pixel column number divided by first memory unit value and storing in first memory unit; frame buffer pixel line number divided by second memory unit value and storing in second memory unit; 5, step 2 column value multiplied by first memory unit value and storing in first memory unit; step 2 line value multiplied by second memory unit value and storing in second memory unit.

Description

technical field [0001] The invention relates to the technical field of video display, in particular to a method and a system for converting an image dot matrix display format. Background technique [0002] With the development of digital technology and new dot-matrix display technologies such as flat panel display, micro-display, and projection display, in the process of image capture, production, and transmission, different images are used due to different levels of resolution requirements for images. The signal format, that is, adopts different "image dot matrix numbers" or "pixel numbers", and different receiving display terminals also have different display formats due to their different display resolution levels. However, for a receiving display terminal, the format of the received or input image signal may be different from its own image dot matrix display format, and this inconsistency causes the receiving display terminal to fail to display the received or input imag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G5/36
Inventor 曹嘉灿
Owner KONKA GROUP