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Video de-interlacing processing method and device

A processing method and a technology of a processing device, which are applied in the field of video processing, can solve problems affecting video de-interlacing effects, etc., and achieve the effect of reducing hardware cache consumption and improving de-interlacing effects

Active Publication Date: 2017-08-04
XIAN NOVASTAR TECH
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Problems solved by technology

[0004] Therefore, the embodiment of the present invention proposes a video de-interlacing processing method and a video de-interlacing processing device to alleviate the problem that there is a risk of misjudgment during motion detection and affect the effect of video de-interlacing

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  • Video de-interlacing processing method and device
  • Video de-interlacing processing method and device

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no. 1 example

[0021] Such as figure 1 As shown, a kind of video deinterlacing processing method proposed in the present embodiment, it comprises the following steps:

[0022] S11: Acquire three consecutive images of three fields, wherein the three consecutive images include the current field image, the previous field image and the next field image;

[0023] S13: According to the luminance component of the image in the previous field and the luminance component of the image in the next field, the inter-field differences of the positions of the points to be interpolated in the image in the current field are obtained;

[0024] S15: Perform neighborhood summation on the inter-field differences of the positions of the points to be interpolated in the image in the current field to obtain the cumulative inter-field difference of the points to be interpolated in the image in the current field;

[0025] S17: Calculate the absolute value of the inter-field difference between the positions of the poi...

no. 2 example

[0077] Such as Image 6 As shown, a video deinterlacing processing device 60 provided in this embodiment includes: an image acquisition module 61, an inter-field difference calculation module 63, an accumulated inter-field difference calculation module 65, an inter-field absolute difference calculation module 67 and Movement weight determination module 69 .

[0078] Wherein, the image acquiring module 61 is used to acquire three consecutive fields of images, wherein the three consecutive fields of images include a current field image, a previous field image and a next field image.

[0079] The inter-field difference calculation module 63 is used to obtain the inter-field difference of the position of each point to be interpolated in the current field image according to the luminance component of the previous field image and the luminance component of the next field image.

[0080] The cumulative inter-field difference calculation module 65 is used to perform neighborhood summ...

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Abstract

The embodiment of the invention provides a video de-interlacing processing method and a device. The video de-interlacing processing method comprises the following steps: an accumulative inter-field difference value and the inter-field absolute difference value are compared with a preset threshold value set to acquire a relatively precise sport grade, a static interpolation result and a dynamic interpolation result can be utilized in a weighted way more flexibly so as to acquire better de-interlacing effect.

Description

technical field [0001] The present invention relates to the technical field of video processing, in particular to a video deinterlacing processing method and a video deinterlacing processing device. Background technique [0002] In order to reduce the transmission bandwidth and compress the storage space, the traditional analog TV industry generally adopts an interlaced scanning system, that is, a complete image is divided into two parts, odd field and even field, and transmitted separately, thus producing interlaced (Interlaced) video. However, this interlaced video cannot be directly displayed on progressive display devices in the current digital television industry, so it is necessary to convert the interlaced video to progressive video, which leads to the problem of video deinterlacing. [0003] At present, most terminal display devices adopt the motion-adaptive de-interlacing method. In motion detection, this method generally compares the absolute difference of pixels b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/01
CPCH04N7/012
Inventor 杨城范婷周晶晶
Owner XIAN NOVASTAR TECH
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