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Super-resolution reconstruction method and device

A technology for super-resolution reconstruction and position matching, applied in the field of image processing, can solve the problems of large amount of calculation, high cost, and inability to obtain high-resolution images in real time, and achieves the advantages of small amount of calculation, low cost, and improved viewing experience. Effect

Active Publication Date: 2020-09-11
TCL CORPORATION
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of this, the embodiments of the present invention provide a super-resolution reconstruction method and device to solve the problems of high cost, excessive calculation and inability to obtain high-resolution images in real time in existing super-resolution reconstruction methods

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  • Super-resolution reconstruction method and device
  • Super-resolution reconstruction method and device

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Embodiment Construction

[0030] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0031] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.

[0032] The super-resolution reconstruction method provided by the embodiments of the present invention can be applied to terminals based on intelligent operating systems, where the terminals include but are not limited to servers, smart TVs, smart phones, and desktop co...

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Abstract

The invention is applicable to the field of image processing, and provides a super-resolution reconstruction method and device. The method comprises the steps of performing up-sampling processing on an original image to obtain a low-frequency pixel value of each pixel point in a super-resolution reconstructed image; obtaining each first size image block taking each pixel point as the center, in the original image, determining an original pixel point corresponding to each pixel point, and obtaining each second size image block taking each original pixel point as the center; determining the optimal matching position of each first size image block in the corresponding second size image block; and obtaining a high-frequency pixel value of the optimal matching position, and performing additionon the high-frequency pixel value of each pixel point and a low-frequency pixel value of the pixel point to obtain the super-resolution reconstructed image. The method is realized based on software, does not need to depend on an image sensor with relatively high cost, and is relatively low in cost; and the calculation amount is small, so that a high-resolution image reconstruction task can be completed in real time.

Description

technical field [0001] The invention belongs to the field of image processing, and in particular relates to a super-resolution reconstruction method and device. Background technique [0002] With the continuous development of display technology, the size of the display screen is gradually increasing. In order to obtain a better image viewing effect on a larger display screen, people’s requirements for the resolution of digital video and digital images are also increasing. Therefore, on the basis of the original image, how to obtain clear and accurate high-resolution High-rate images have become the focus of current research. [0003] In the prior art, high-resolution images are mainly obtained through the following two methods: active acquisition of high-resolution images by image sensors; processing of original images by using autocorrelation-based super-resolution reconstruction algorithms to obtain high-resolution images. image. [0004] However, in the first method, d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T3/40
CPCG06T3/4053
Inventor 李敬源
Owner TCL CORPORATION
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