Non feedback value interposer for filtering dynamic compensation

A technology of dynamic compensation and interpolator, which is applied to color TV parts, TV system parts, standard conversion, etc., and can solve problems such as no way, inability to receive input data stream, inability to achieve seamlessness, etc.

Inactive Publication Date: 2008-08-13
ALICORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this design only needs to use a sixth-order filter 10' to achieve the purpose of saving area, because of the feedback route in the direction of its data flow, there is no way to receive unlimited data input, that is to say When the sixth-order filter 10...

Method used

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  • Non feedback value interposer for filtering dynamic compensation
  • Non feedback value interposer for filtering dynamic compensation
  • Non feedback value interposer for filtering dynamic compensation

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Embodiment Construction

[0062] Please refer to FIG. 3 , which is a block diagram of an embodiment of the non-feedback interpolator of the present invention. The non-feedback interpolator provided by the present invention performs luminance and chroma interpolation on the image block according to the interpolation operation position to be performed by filter dynamic compensation, and in The image block contains several integer pixel points (Pixel) (I, I', I"), and the interpolation pixel point Q of the interpolation operation position can be interpolated by the non-feedback interpolator of the present invention. As shown in the figure, The non-feedback interpolator of the present invention comprises: a horizontal filter 10, a first vertical filter unit 20, a second vertical filter unit 30, a third vertical filter unit 40, a first multiplexer 50 and a bilinear filter 60. Wherein, when the brightness interpolation calculation is to be performed, three integer points on the left and right sides of the int...

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Abstract

The present invention provides a non-feedback interpolator for compensating dynamic filter, the six-order interpolation and the bilinearity interpolation share same hardware circuit, and process brightness and color interpolation to an image block according to one interpolation operating position, including a horizontal filter, a first vertical filtering unit, a second vertical filtering unit, a third vertical filtering unit, a first multiplexer and a bilinearity filter, wherein, the delay-frequency of different filtering calculus are balanced by a selector and a bypass path in each vertical filtering unit. This interpolator can achieve interpolation calculus of integrated six-order filter and bilinearity filter to improve efficient and saving area.

Description

technical field [0001] The invention relates to a non-feedback interpolator, in particular to a non-feedback interpolator applicable to dynamic compensation of different filtering methods. Background technique [0002] With the rapid development of audio-visual multimedia products, the compression technology of video and video has also been continuously improved. Following MPEG2, MP3, VCD, and DVD, having H.264 / AVC or MPEG4 audio-visual codec function has become the basic requirement of current multimedia products. One, due to their strong compression ratio, low bit rate, no need for complex programs, and high ability to integrate with communication applications, they have become necessary functions and standard formats for audio-visual digital video products. Among them, the MPEG-4 standard has been adopted in wireless video communication and streaming (Stream) media applications, and due to the advantages of H.264 / AVC in compression performance, H.264 / AVC will be used in r...

Claims

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Application Information

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IPC IPC(8): H04N7/01H04N5/14H04N9/77H04N9/64
Inventor 林晏生
Owner ALICORP
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