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Method, system, and computer-readable medium for removing flare in images

An image-in-image technology, applied in the field of image processing, can solve problems such as reducing image quality

Pending Publication Date: 2021-11-26
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This greatly reduces image quality

Method used

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  • Method, system, and computer-readable medium for removing flare in images
  • Method, system, and computer-readable medium for removing flare in images
  • Method, system, and computer-readable medium for removing flare in images

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Embodiment Construction

[0066] The technical matters, structural features, realized goals and effects of the embodiments of the present application will be described in detail below in conjunction with the accompanying drawings. Specifically, terms in the embodiments of the present application are only used to describe certain embodiments of the present application, and are not used to limit the present invention.

[0067] refer to figure 1 , an electronic device 10 is provided, which has a display 12 and an image acquisition unit (for example, a camera) 14 . The image acquisition unit is arranged under the display 12 or located under the display 12 . The display 12 is transparent, allowing light to pass through the display 12 to the image acquisition unit 14 . The display 12 includes internal structures 120 such as scanning lines and data lines, and these internal structures 120 affect the transmission 14 of light from the display 12 to the image acquisition unit. Diffraction effects are almost u...

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PUM

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Abstract

In an embodiment, a method for removing flare in images is proposed. The method includes utilizing an image capturing unit to continuously take an equally-exposed image and under-exposed images with variant exposure settings; determining whether a flare is in the equally-exposed image; in response to determining that the flare is in the equally-exposed image, aligning image objects of the under-exposed images with respect to the equally-exposed image; and removing the flare in the equally-exposed image by using the aligned under-exposed images, wherein the under-exposed images used to remove the flare in the equally-exposed image are normalized in brightness based on the brightness of the equally-exposed image and the normalized under-exposed images are then denoised. Also, a system and a non-transitory computer-readable medium performing the method are provided.

Description

technical field [0001] The present invention relates to image processing technology, in particular to a method, system and computer-readable medium for removing stray light in an image. Background technique [0002] With the development of portable devices such as smartphones and tablet computers, the demand for large screen-to-body ratios has gradually increased. Users demand true "full display" for an immersive viewing experience. In order to achieve a large screen-to-body ratio or realize a "full-screen" display, terminal devices equipped with a front-facing camera hide the front-facing camera under the display. That said, the front-facing camera is located under the display. When taking pictures or recording videos, the light passing through the display is received by the front camera. However, the light passing through the display will be affected by internal structures such as scan lines and data lines, resulting in diffraction effects. As a result, images captured...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06T5/50
CPCG06T5/50G06T2207/20221G06V10/32G06V10/60G06V10/431G06T5/94G06T5/70G06T7/0002G06T2207/10144G06T2207/30168H04N23/71H04N23/76
Inventor 罗俊
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD