Method and device for enhancing image spatial resolution

An image space and resolution technology, which is applied in image enhancement, image data processing, graphics and image conversion, etc., can solve the problems of not being considered, capacitance increase, etc., and achieve the effect of improving spatial resolution

Active Publication Date: 2014-03-12
HONOR DEVICE CO LTD
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Problems solved by technology

[0005] Another measure to increase the spatial resolution of the image is to increase the size of the IC board, but this leads to an increase in capacitance
Larger capacitance suppresses the rate of charge transfer, so this measure is also not considered an effective measure

Method used

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  • Method and device for enhancing image spatial resolution
  • Method and device for enhancing image spatial resolution
  • Method and device for enhancing image spatial resolution

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Embodiment Construction

[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0042]First, a brief introduction is given to the super-resolution reconstruction technology based on the embodiment of the present invention. Super-resolution (Super-Resolution, referred to as SR) reconstruction technology is a resolution enhancement technology, its main advantage is low cost, no need to change the hardware, using the existing low-resolution (Low-Resolution, referred to as LR) ) imaging sensor that uses software technology to increase the resoluti...

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Abstract

The invention discloses a method and a device for enhancing an image spatial resolution, relates to the field of image information processing and aims at enhancing the image spatial resolution. The method comprises that: weight estimation is performed on modes of motion of pixel points in a low-resolution image, and at least one weight value of the pixel points is obtained, wherein at least one weight value is used for describing possibility of at least one mode of motion of the pixel points; at least one weight value is screened according to a preset algorithm, and abnormal weight values are eliminated; and at least one frame of the low-resolution image is fused according to the screened weight value so that a super-resolution image is obtained. The method and the device for enhancing the image spatial resolution are mainly applied to a super-resolution reconstruction technology.

Description

technical field [0001] The invention relates to the field of image information processing, in particular to a method and device for improving image spatial resolution. Background technique [0002] Images are the main source of information for humans. According to statistics, 75% of the information received by humans comes from vision. Compared with other forms of information such as hearing, taste, touch, and smell, visual information has the advantages of being intuitive, specific, and vivid. Therefore, image / video acquisition is one of the indispensable key technologies in digital image processing systems. The most widely used image sensor at present is a charge-coupled device (Charge-coupled Device, CCD for short). The imaging system samples through its internal CCD sensor array to produce a digital image. In order to avoid the "aliasing" phenomenon, it is usually required that the sampling frequency should meet the Nyquist sampling criterion. [0003] However, in th...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/50G06T3/40
Inventor 卢健陈敏张丽萍
Owner HONOR DEVICE CO LTD
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