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Method and apparatus for processing video data entry/departure in movie mode

A technology of video data and film mode, which is applied in the direction of TV, electrical components, standard conversion, etc., and can solve the problems of image quality deterioration, constant change, and unstable image playback.

Inactive Publication Date: 2009-08-05
REALTEK SEMICON CORP
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Problems solved by technology

However, there are quite a few images that are not in the simple 2-2 pull-down and 3-2 pull-down mode. For example, in the compression process of MPEG, it will change the order of repeated images, so when playing, it may become 4-3-4. Two, three three, three two, two two pull-down patterns keep changing
[0004] If detect this kind of MPEG image with known detection method, will produce and often go in and out film mode and cause image to play unstable, promptly process with film mode at once, and process with other image processing modes again in a while, in addition , if the operation of leaving the film mode is not done well, there will be jagged edges in the image, which will deteriorate the image quality

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  • Method and apparatus for processing video data entry/departure in movie mode
  • Method and apparatus for processing video data entry/departure in movie mode
  • Method and apparatus for processing video data entry/departure in movie mode

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Embodiment Construction

[0017] Please refer to figure 1 , figure 1 It is a functional block diagram of the video data processing device 100 of the present invention. The video data processing device 100 is used to determine when to enter / exit the movie mode when processing a video data, wherein the video data includes a plurality of target fields. In this embodiment, the video data processing device 100 includes a first combination detector 110 , a second combination detector 130 and a decision unit 120 . The first combination detector 110 is used to detect whether a target field and a first adjacent field can be combined to generate a first detection signal corresponding to the target field, wherein the first adjacent field can be located before the target field; In addition, the second combination detector 130 is used to detect whether the target field and a second adjacent field can be combined to generate a second detection signal corresponding to the target field, wherein the second adjacent f...

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Abstract

The invention provides a processing method of video data by entering a film mode. The video data comprises a plurality of target fields. The method comprises the following steps of: detecting whether one of the target fields can be merged with a first adjacent field; adding 1 to the merging time if the two fields can be merged; and repeating the two steps until detecting that the merging time is larger than or equal to N, and then entering the film mode to process the video data, wherein, N is a positive integral larger than or equal to 2.

Description

technical field [0001] The present invention relates to a method and a device for entering and leaving a movie mode, in particular to a method and a related device for determining whether to enter and leave a movie mode by using whether detection fields can be merged. Background technique [0002] In the progressive scanning technology, the data volume of each image frame is complete, and all odd-numbered and even-numbered columns of data will be played on the same image frame. Therefore, when playing image data consisting of odd or even fields with only half the amount of data in a progressive scanning method (or frequency doubling TV image technology), it should be restored to a frame with a complete amount of data so that the picture can be presented reasonably , This technique is called de-interlacing (de-interlacing) technique. When de-interlacing interlaced movie data, the adjacent odd field (odd field) and even field (even field) data can be simply combined to form a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/01H04N7/26
Inventor 汤森煌廖文财谢明展
Owner REALTEK SEMICON CORP
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