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Three-dimensional self-adaptive motion inspection method for de-interlacing technology

A motion detection and de-interlacing technology, used in high-definition television systems, standard conversion, etc., to solve problems such as the wrong distinction between moving objects and stationary objects

Inactive Publication Date: 2009-10-28
ARKMICRO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can not only solve the problem of wrong distinction between moving objects and stationary objects due to the boundary of the image, but also detect fast motion very well.

Method used

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  • Three-dimensional self-adaptive motion inspection method for de-interlacing technology

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Embodiment Construction

[0027] figure 1 The specific judgment flow and method of the present invention are described. First of all, make an explanation of the letters in the figure: Point E represents the pixel to be inserted in the nth field (current field), and its brightness is F n (i, j); A and B respectively represent two pixel points above and below the pixel position to be inserted in the current field, and the brightness values ​​are F respectively n (i-1, j), F n (i+1, j); C and D respectively represent the pixels at the same position as the pixel to be inserted in the n-1th field (the previous field) and the n+1th field (the next field), and the brightness values ​​are respectively f n-1 (i, j), F n+1 (i,j). The present invention predicts the brightness value of the pixel point E to be inserted according to the brightness values ​​of two points A and B, and simultaneously calculates the brightness difference of points C-D, C-E, E-D, A-B, A-C, and B-C respectively, and the preset thresh...

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Abstract

The invention discloses a three-dimensional self-adaptive motion detection method of deinterlacing technology, which is different from the traditional two-field detection and three-field detection methods. A pixel in the next row generates the brightness value of the pixel to be inserted, and then combines a pixel at the same position as the pixel to be inserted in the previous field where the pixel to be inserted is located and the next field where the pixel to be inserted is located and the For a pixel at the same position as the pixel to be inserted, five judgment criteria are used to comprehensively detect whether the pixel to be inserted is moving. The five judgment criteria take into account the situation of the image boundary and the situation of extremely high vertical resolution, reducing the impact caused by traditional detection methods. misjudgment.

Description

technical field [0001] The invention relates to the technical field of deinterlacing in digital video processing. It specifically relates to a three-dimensional adaptive motion detection method of deinterlacing technology Background technique [0002] Traditional analog video is to display video signal in interlaced scanning format. This display method will bring low vertical resolution, obvious line structure, large area flickering, visual fatigue easily caused by long-term viewing, jagged moving images and other problems. Progressive scan technology can eliminate line structure lines, large-area flicker and inter-line flicker, and greatly increase the definition and vertical resolution. Therefore, with the emergence of PC video and high-definition large-screen TVs, progressive scan has been obtained more and more widely used. In the current transition stage where interlaced and progressive scanning technologies coexist, many display devices can receive both traditional N...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/015H04N7/01
Inventor 李琛常军锋刘芳郑磊刘波田锦程石岭刘云
Owner ARKMICRO TECH