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Adaptive image frame deinterlace device and method

A de-interlacing and self-adaptive technology, which is applied in the field of self-adaptive image de-interlacing devices, can solve problems such as easy blurring, unsharpness, and degradation of playback quality, and achieve the best display effect

Active Publication Date: 2007-05-23
VIA TECH INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Weaving processing has a good processing effect on static images, but for dynamic images, weaving processing will produce image misalignment, so the image will appear jagged or rough, which will reduce the playback quality; on the other hand Although the wobble processing can overcome the image alignment error of the dynamic image and make the dynamic image clearer and more natural, but for the static image, the vertical resolution of the image after the wobble processing is reduced and then compensated by interpolation, making the picture Easily blurred and less sharp

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  • Adaptive image frame deinterlace device and method
  • Adaptive image frame deinterlace device and method
  • Adaptive image frame deinterlace device and method

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Embodiment Construction

[0027] An adaptive image frame deinterlacing device according to a preferred embodiment of the present invention will be described below with reference to the relevant drawings.

[0028] As shown in Figure 2, the adaptive image frame de-interlacing device 2 of the preferred embodiment of the present invention includes a segment feature difference calculation module 21, a motion vector calculation module 22, an inner block number calculation module 23, a trigger value generation module 24 and an image frame processing module 25 . In addition, the adaptive image frame deinterlacing device 2 may include a video image buffer module 11 and an image output module 12, which are respectively used to provide the image frame and output the output image generated after deinterlacing, and may also include an image display module 13, which receives and displays the output image generated by the image output module 12. Of course, other equivalent modifications or changes known to those ski...

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Abstract

The adaptive image picture interleaving eliminating device includes one segment characteristic difference value calculating module for calculating the characteristic difference value of segment in the image picture; one moving vector calculating module for calculating the moving vector of the macroblock containing the segment in the image picture; one internal block calculating module for calculating the quantity of the internal blocks in the image picture; one trigger value generating module for judging whether the quantity of the internal blocks is greater than the first critical value to select the trigger value generating mode; and one image picture processing module for judging whether the trigger value is greater than the second critical value to select the interleaving eliminating algorithm for the interleaving eliminating treatment of segment.

Description

technical field [0001] The invention relates to an image frame deinterlacing device and method, in particular to an adaptive image frame deinterlacing device and method. Background technique [0002] With the development of science and technology, the playback quality of audio-visual media is getting higher and higher. However, different image processing methods affect the playback quality of audio-visual media during playback. An obvious example is the interlace scan image Progressive scan (progressive scan) image playback platform playback. [0003] An interlaced image consists of two fields, each of which contains only the odd lines of the image or the even lines of the image, so in an interlaced image, each odd field image and even field image The resolution is only half of the original image. The advantage of the interlaced scanning method is that the dynamic image display is smooth, but the disadvantage is that the screen will flicker. In contrast, the scanning spee...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/01
Inventor 陈浩彰曹盛哲
Owner VIA TECH INC