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A method of super -resolution reconstruction of image

A super-resolution reconstruction and high-resolution technology, which is applied in the field of image super-resolution reconstruction, can solve the problems of restricting the reconstructed image quality, large registration error, and huge calculation amount, so as to improve the acquisition calculation speed, small reconstruction error, high quality effect

Active Publication Date: 2020-12-04
HEFEI I TEK OPTOELECTRONICS CO LTD
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

However, motion registration often has a huge amount of calculation, and it will inevitably bring errors. Registration errors will be converted into reconstruction errors, which will restrict the quality of reconstructed images. Especially when the image quality is low, the registration errors will be large and the reconstruction effect will be poor.

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  • A method of super -resolution reconstruction of image
  • A method of super -resolution reconstruction of image
  • A method of super -resolution reconstruction of image

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Embodiment Construction

[0056] Below, the technical solution of the present invention will be described in detail through specific examples.

[0057] refer to figure 1 , an image super-resolution reconstruction method proposed by the present invention includes two reconstruction methods, one is fusion-based super-resolution reconstruction, and the other is difference-based super-resolution reconstruction.

[0058] Such as figure 1 Shown: One is super-resolution reconstruction based on fusion, including the following steps S1 to S3:

[0059] S1: Acquire an initial low-resolution image sequence

[0060] S2: Through the initial low-resolution image sequence get high resolution image sequence

[0061] S3: Sequence of high-resolution images Perform image fusion to obtain the restored image.

[0062] Through the above sequence of low-resolution images The method of super-resolution restoration and image fusion achieves the purpose of obtaining high-resolution images through multiple frames of l...

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Abstract

The invention discloses an image super-resolution reconstruction method. The method comprises the following steps: 1, Obtaining an initial low-resolution image sequence (shown in the description); obtaining a High-resolution image sequence (shown in the description) by using the initial low-resolution image sequence (shown in the description); carrying out image fusion on High-resolution image sequence (shown in the specification) to obtain a restored image. The method for obtaining an initial low-resolution image sequence (shown in the specification) to obtain a high-resolution image sequence(shown in the specification) comprises the following steps: inputting a set high resolution image, obtaining a high resolution registration deviation image (shown in the specification), calculatinga down sampling matrix W, and obtaining an initial low resolution image sequence through the down sampling matrix W; calculating the High resolution image sequence by initial low resolution image sequence.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to an image super-resolution reconstruction method. Background technique [0002] Resolution is one of the important indicators for evaluating image quality. A higher resolution image means that it can provide richer detail information and have better visual effects and image quality. However, in reality, due to the limitation of imaging system hardware conditions, coupled with the influence of factors such as noise and focus deviation, the images we obtain are often of low resolution, which cannot meet the needs of practical applications, and there are phenomena such as noise and blur. Image super-resolution reconstruction can use existing equipment, adopt signal processing technology, and break through the inherent resolution limitation of the imaging system through software means, reconstruct images with higher resolution from low-resolution images, and improve image qua...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T3/40G06T5/00G06T5/50
Inventor 邵云峰李博川曹桂平李子民
Owner HEFEI I TEK OPTOELECTRONICS CO LTD
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