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A method for implementing transparent osd software

A software-implemented and transparent technology, applied in electrical components, components of color TVs, components of TV systems, etc., can solve the problems of video delay, low efficiency, and large resource consumption, so as to improve efficiency and reduce computing power. The effect of reducing the amount of calculation

Inactive Publication Date: 2015-08-12
山东神戎电子股份有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Software OSD is implemented through software algorithms, does not depend on a specific hardware platform, and can be implemented in video pre-processing, with low cost and good flexibility. However, the traditional software OSD implementation method is low in efficiency and takes up a lot of resources, which is easy to cause video delay. Time

Method used

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  • A method for implementing transparent osd software
  • A method for implementing transparent osd software
  • A method for implementing transparent osd software

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Embodiment Construction

[0023] In order to clearly illustrate the technical characteristics of the method, the method is described below through a specific implementation manner.

[0024] Since obtaining the character internal code of the character according to the edited OSD character content belongs to the prior art for the character type (Font-Based) OSD, details are not repeated here.

[0025] Such as image 3 As shown, it is a character lattice with a size of 16×16 Chinese character "上", and the row and column numbers whose median bit is 1 are as follows:

[0026] (1,8), (2,8), (3,8), (4,8), (5,8), (5,12), (6,8), (6,9), (6 ,10), (6,11), (6,12), (6,13), (7,8), (8,8), (9,8), (10,8), (11,8 ), (12,8), (13,8), (14,8), (14,14), (15,1), (15,2), (15,3), (15,4), (15,5), (15,6), (15,7), (15,8), (15,9), (15,10), (15,11), (15,12), (15 ,13), (15,14), (15,15), 36 in total.

[0027] According to the row and column number information of the above statistics, according to figure 1 The logical judgment can ...

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Abstract

The invention discloses a transparent OSD (Optical Scanning Device) software realization method. The method comprises the following steps of: obtaining a character inner code of a character according to the content of the edited OSD character; obtaining a character dot matrix of the character from a character library by utilizing the content of the character; scanning the character dot matrix and recording a rank number which is scanned and has the position of '1'; displaying the position on the currently-edited OSD character to establish an overlapped coordinate system which takes a left upper angle as a coordinate origin, takes the character dot matrix as a dimension and takes rightward and downward lines as positive axes; and taking the corresponding rank number as the middle position of the overlapped coordinate system of a coordinate. According to the transparent OSD software realization method, a transparent OSD is overlapped on a video in real time by utilizing a pure software method, and the transparent OSD software realization method has the editability and high responding speed.

Description

technical field [0001] The invention relates to a transparent OSD software realization method. Background technique [0002] OSD is the abbreviation of on-screen display, that is, the screen menu adjustment method. Generally, after pressing the Menu button, a rectangular menu of various adjustment item information of the display will pop up on the screen. Through this menu, various working indicators of the display, including color, mode, geometric shape, etc., can be adjusted to achieve the best use status. [0003] With the popularization and application of digital video technology, OSD implementation technology has also been developed rapidly. In terms of implementation, OSD can be divided into hardware OSD and software OSD. Early hardware OSD needs to build a separate OSD circuit, including OSD character superposition chip, character memory, etc. The disadvantage is that the hardware circuit design is more complicated and inconvenient to use. Poor stability, and most O...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/44H04N5/445
Inventor 李同磊魏光旭
Owner 山东神戎电子股份有限公司
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