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Image processing method and device, electronic equipment and storage medium

An image processing and image technology, applied in the field of image processing, can solve the problems of discontinuous overall video stream and unnatural display effect, and achieve the effect of avoiding discontinuity

Active Publication Date: 2020-06-16
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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Problems solved by technology

However, when the illuminance of the shooting scene changes, using the same tone mapping curve to perform tone mapping on multiple frames of images captured will result in discontinuous and unnatural display effects in the overall video stream after tone mapping processing

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  • Image processing method and device, electronic equipment and storage medium
  • Image processing method and device, electronic equipment and storage medium
  • Image processing method and device, electronic equipment and storage medium

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Embodiment Construction

[0056] Before the technical solutions of the embodiments of the present invention are described in detail, the related technologies are introduced first.

[0057] In related technologies, the same tone mapping curve such as a gamma curve can be used to perform tone mapping on multiple frames of captured images, so as to preserve information such as color, contrast, and details in the image to the greatest extent. However, when the illuminance of the shooting scene changes, using the same gamma curve to perform tone mapping on multiple frames of images captured will result in discontinuous and unnatural display effects in the overall video stream after the tone mapping process.

[0058] Based on this, in various embodiments of the present invention, the video data to be processed is acquired; the video data to be processed includes at least two images and attribute information respectively corresponding to the at least two images; attribute information respectively correspondin...

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Abstract

The invention discloses an image processing method and device, electronic equipment and a storage medium. The method comprises the steps: obtaining to-be-processed video data, wherein the to-be-processed video data comprises at least two images and attribute information respectively corresponding to the at least two images; determining values respectively corresponding to at least two images by using the attribute information respectively corresponding to at least two images to obtain at least two values, wherein the numerical value represents the brightness value of the ambient light when theimage is shot; determining tone mapping curves respectively corresponding to the at least two images based on at least two values; and respectively carrying out tone mapping processing on at least two images by utilizing the tone mapping curves respectively corresponding to at least two images to obtain at least two processed images.

Description

technical field [0001] The present invention relates to image processing technology, in particular to an image processing method, device, electronic equipment and storage medium. Background technique [0002] With the rapid development of image processing technology and the increasing data volume of captured video images, it becomes more and more necessary to perform tone mapping processing on captured video images. In related technologies, the same tone mapping curve is used to perform tone mapping on multiple frames of captured images, so as to preserve information such as color, contrast, and details in the images to the greatest extent. However, when the illuminance of the shooting scene changes, using the same tone mapping curve to perform tone mapping on multiple frames of images captured will result in discontinuous and unnatural display effects in the overall video stream after tone mapping processing. Contents of the invention [0003] In view of this, the embodi...

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Application Information

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IPC IPC(8): H04N9/04H04N5/235
CPCH04N23/71H04N23/84
Inventor 马元蛟罗俊权威
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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