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Method for intensifying digital video and device for applying the method

A technology of digital video and constants, applied in parts of color TV, parts of TV system, TV, etc.

Inactive Publication Date: 2011-05-25
AVISONIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the technology disclosed in the above-mentioned document uses a complex algorithm, so it must be achieved by using a computer calculation; otherwise, it can only be used in the case of a digital camera for processing static images.

Method used

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  • Method for intensifying digital video and device for applying the method
  • Method for intensifying digital video and device for applying the method
  • Method for intensifying digital video and device for applying the method

Examples

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Embodiment Construction

[0035] figure 1 It is a circuit block diagram of an enhanced digital video device according to an embodiment of the present invention. Please refer to figure 1 , the device includes a memory 11 , a weight calculation module 12 , an accumulation module 13 and an average module 14 . The coupling relationship of this circuit is shown in the figure. At the beginning, the memory 11 will first store a piece of graphics data. The graphic data can be a complete graphic or a part of the graphic. figure 2 is a block definition schematic diagram drawn according to an embodiment of the present invention. For the convenience of explanation, hereby figure 2 The schematic diagram of the block definition in is used to assist in explaining this embodiment. Please refer to figure 1 as well as figure 2 . It is assumed that the memory 11 stores the above picture data, and it is assumed that the image enhancement operation starts to process the pixel data block 201 . The weight cal...

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Abstract

The invention relates to a method for enhancing the digital video and a device using the method. The method comprises the following steps: a pixel data block is taken out; the pixel data block is taken as the center, and a searching range and a reference block are determined; the searching range is divided into a plurality of comparison blocks with sizes identical with that of the reference block; the comparison blocks are compared with the reference block one by one, and the corresponding weighted values are respectively given according to the comparative results; the calculation blocks in the comparison blocks are multiplied with the weighted values corresponding to the blocks to obtain a plurality of weighting blocks; the weighting blocks are accumulated to obtain a summation pixel data block; the weighted values are accumulated to obtain a total weighted value; and the total pixel data is standardized by using the total weighted value to obtain the pixel data block with enhanced image.

Description

Technical field [0001] The present invention is a technology related to digital video, and especially a method for strengthening digital videos and using this method. Background technique [0002] In recent years, due to the advancement of science and technology, the form of multimedia has become increasingly diverse.For digital videos, such as digital photos, digital monitors, digital videos, or digital video broadcast technology, the enhancement of the image is more valued, and the filtering of noise is quite important.In the past, there were many studies on eliminating noise in digital videos, such as Gaussian Filtering, bilateral filtration, and even Wavelet, and so on. [0003] The above -mentioned algorithms have some good effects, but they are too high and too high, and it is not easy to achieve hardware.Therefore, most of the above -mentioned methods to eliminate noise, most of them are implemented with software with high -computing power processors.Because of the above -...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/21G06T5/00
Inventor 吴明洋梁家恺游启昌宋柏安
Owner AVISONIC TECH
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