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Image super-resolution processing method and device

A technology of super-resolution and processing method, applied in the field of image processing

Pending Publication Date: 2021-08-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] This application provides an image super-resolution processing method and device to solve the real-time and power consumption problems of image super-resolution processing in terminal equipment

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  • Image super-resolution processing method and device
  • Image super-resolution processing method and device
  • Image super-resolution processing method and device

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Embodiment Construction

[0031] The present application provides an image super-resolution processing method and device to solve the problems of real-time performance and power consumption of image super-resolution processing in terminal equipment.

[0032] Such as figure 2 As shown, it is a schematic diagram of an applicable application scenario for image super-resolution processing provided by the embodiment of the present application. In the process of RTC video call, in order to reduce the amount of data in the video transmission process, the timeliness of video transmission is higher, ensuring The quality of the RTC video call, the sending device can pre-process the video (such as resolution compression processing), and encode the generated compressed video and send it to the terminal device. After the terminal device decodes the received video data and obtains the compressed video, it can Image super-resolution processing is performed on the compressed video (each frame of image) to obtain a vi...

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Abstract

The invention relates to the technical field of image processing, discloses an image super-resolution processing method and device, and is used for solving the problems of real-time performance and power consumption of image super-resolution processing in terminal equipment. The method comprises the following steps: acquiring one or more levels of intermediate feature maps of an input image, wherein the resolution of the intermediate feature maps is reduced along with the increase of the levels; performing detail reduction on the middle feature map with the minimum resolution to generate a middle reduction feature map; based on the intermediate restored feature map, sequentially performing fusion reconstruction with the intermediate feature maps of the one or more levels according to the resolution from small to large to generate a restored image, the restored image having the same resolution as the input image; and performing fusion reconstruction on the restored image and the input image to generate an output image, the resolution of which is greater than the resolution of the input image.

Description

technical field [0001] The present application relates to the technical field of image processing, in particular to an image super-resolution processing method and device. Background technique [0002] Image super-resolution (super-resolution) processing is an image enlargement and image quality restoration technology that has developed rapidly in recent years, that is, to improve the resolution of the original image through hardware or software methods, and at the same time restore image details and image quality as much as possible. Repair image quality damage. For video super-resolution processing, it can be understood as performing image super-resolution processing on each frame of video. For example, for each frame of image, one or more frames of low-resolution images can be used to obtain a frame of high resolution. resolution image. In real-time communication (real-time communication, RTC) multi-party calls, RTC live streaming, or RTC two-party calls with limited ba...

Claims

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Application Information

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IPC IPC(8): G06T3/40G06N3/04
CPCG06T3/4053G06N3/045
Inventor 蓝玉海左俊闫智海徐杰
Owner HUAWEI TECH CO LTD