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Image processing method and image processing device

An image processing and image technology, which is applied in the field of image processing, can solve the problems of occupying image processing resources and hindering the performance improvement of video conferencing systems, etc., and achieve the effects of reducing resource occupation, accurately enhancing results, and releasing dependencies

Active Publication Date: 2020-03-24
TENCENT TECH (SHENZHEN) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the current image processing methods, the enhancement of the brightness of a pixel usually depends on the enhancement results of the previously enhanced pixels of the pixel, which undoubtedly makes the enhancement process of the image brightness occupy a large amount of image processing resources for a long time, such as precious CPU (central processing unit) resources
For example, in the field of video conferencing, most of the processing resources of the video conferencing system are used for such image processing tasks, which will greatly hinder the performance improvement of the video conferencing system

Method used

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  • Image processing method and image processing device
  • Image processing method and image processing device

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Embodiment Construction

[0038]The following description provides specific details for a thorough understanding and practice of various embodiments of the present disclosure. It should be understood by those skilled in the art that the technical solutions of the present disclosure may be practiced without some of these details. In some instances, well-known structures and functions have not been shown or described in detail to avoid unnecessarily obscuring the description of the embodiments of the present disclosure. Terms used in this disclosure are to be interpreted in their broadest reasonable manner, even though they are used in connection with specific embodiments of this disclosure.

[0039] First of all, some of the terms involved in the embodiments of the present application are explained, so that those skilled in the art can understand:

[0040] LUT: Refers to the display look-up table (Look-Up-Table), which is essentially a RAM. After it writes the data into RAM in advance, whenever a sign...

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Abstract

An image processing method and an image processing device are described herein. The method includes determining a luminance value of the image. In response to the fact that the brightness value of theimage is smaller than an image brightness threshold value, the brightness of the image is enhanced, and which comprises: determining each pixel of the image as a to-be-enhanced pixel; determining a brightness enhancement value of the to-be-enhanced pixel based on the brightness value of the image, the initial brightness value of the to-be-enhanced pixel and the initial brightness value of the adjacent pixel of the to-be-enhanced pixel; and enhancing the brightness of the to-be-enhanced pixel so as to take the brightness enhancement value as an enhanced brightness value of the to-be-enhanced pixel. By utilizing the method and the device, the resource occupancy rate in the image processing process can be greatly reduced.

Description

technical field [0001] The present disclosure relates to the technical field of image processing, and in particular to an image processing method and an image processing device. Background technique [0002] With the development of Internet technology, the requirements for image quality in all walks of life are getting higher and higher. For example, remote video conferencing, as the most important part of various functions of office collaboration products, has very high requirements on the quality of video images. If the environment where the user is located has unsatisfactory lighting conditions, the quality of the scene image in the video conference will be relatively poor. If the scene images in such an environment are not processed, the video conferencing experience will obviously be very poor. [0003] In order to present a high-quality image, it is usually necessary to enhance the brightness of the image. However, in the current image processing methods, the enhanc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00H04N7/15
CPCH04N7/15G06T2207/10024G06T2207/30168G06T5/92G06T5/94G06T7/90G06T5/70
Inventor 李本超李峰刘程浩刘毅涂娟辉
Owner TENCENT TECH (SHENZHEN) CO LTD
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