Scanning conversion apparatus and method

A scan conversion and converter technology, applied in the field of scan data conversion devices, can solve problems such as bad images

Active Publication Date: 2005-03-23
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Combining the top and bottom fields of field-based interlaced data to create a frame of progressive data will result in a poor image, especially if there is a lot of motion in the image

Method used

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  • Scanning conversion apparatus and method
  • Scanning conversion apparatus and method
  • Scanning conversion apparatus and method

Examples

Experimental program
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Embodiment Construction

[0036] scan converter

[0037] figure 1 A scan conversion device according to one embodiment of the invention is shown. As shown, an interlaced-to-progressive converter (IPC) 210 receives, for example, interlaced scan data IDATA generated by a video producing device (e.g., video tape player, DVD player, etc.), and converts the interlaced scan data IDATA to progressive Row scan data PDATA. The generated progressive scan data PDATA may form an output of the scan conversion means. A progressive-interlace converter (PIC) 220 receives the generated progressive data PDATA and converts the generated progressive data PDATA into interlaced data IDATA'. The generated progressive scan data IDATA' may form an output of the scan conversion means. As will be described in detail below, since the generated interlaced data IDATA' is generated from the generated progressive data PDATA, better synchronization exists between the generated progressive data PDATA and the generated interlaced da...

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PUM

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Abstract

In the scanning conversion apparatus, a first converter converts input interlaced scan data into progressive scan data, and a second converter converting the progressive scan data output from the first converter to interlaced scan data.

Description

technical field [0001] The invention relates to a scan data conversion device and a scan data conversion method. Background technique [0002] Various types of display devices (eg, televisions, computer monitors, etc.) typically use one of two display methods - interlaced and progressive. In both methods, the image is divided into several scan lines. In the interlaced scanning method, odd and even scan lines are displayed alternately. The odd scan lines of the image are referred to as odd fields or top fields. Even scan lines of an image are referred to as even fields or bottom fields. The upper and lower fields are alternately displayed at high speed so that a composite picture can be viewed. In the progressive scan method, the image is displayed line by line; that is, all scan lines are displayed. [0003] Interlaced data can be field-based or frame-based. Here is an example of frame-based interlaced data, where "T" is the top field, "B" is the bottom field, and "t" ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/01H04N3/00
Inventor 金泰善申东石郑世雄金基勇李泰熙朴宰弘任炯俊林庆默
Owner SAMSUNG ELECTRONICS CO LTD
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