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Image processing method and device based on multi-frame images

An image processing and multi-frame image technology, which is applied in image data processing, image enhancement, image analysis, etc., can solve problems affecting user experience, etc., and achieve the effects of reducing shooting time, reducing picture noise, and reducing the number of captured frames

Active Publication Date: 2021-09-03
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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Problems solved by technology

[0006] To this end, this application proposes an image method and device based on multi-frame images, which solves the problem of image noise level when shooting night scenes by performing high-dynamic-range synthesis on multi-frame original images. High, the technical problem that affects the user experience, realizes the beneficial effect of noise reduction on both the bright light area and the dark light area in the high dynamic range image obtained by high dynamic synthesis, improves the effectiveness of noise reduction, and makes the noise reduction obtained The target noise reduction image can reduce the noise of the picture while retaining the image details, and obtain a clearer image, thereby improving the user experience

Method used

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  • Image processing method and device based on multi-frame images

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Embodiment Construction

[0035] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are intended to explain the present application, and should not be construed as limiting the present application.

[0036] For related technologies, when high dynamic and high dynamic range images are taken, the number of frames is more and the frame acquisition time is long, which may cause smears in the captured images due to shaking, or introduce noise during the shooting process, resulting in image blurring. For the problem of blurring, this application proposes an image processing method based on multi-frame images. By obtaining multi-frame original images, a high dynamic range image is synthesized based on the multi-frame original im...

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Abstract

The present application proposes an image processing method and device based on multi-frame images, wherein the method includes: obtaining multi-frame original images, synthesizing high dynamic range images based on the multi-frame original images, and reducing the high dynamic range images based on artificial intelligence noise to obtain the target noise-reduced image. This method can more accurately distinguish the picture noise and effective details of the high dynamic range image by performing noise reduction processing. Both bright and dark areas in the high dynamic range image are noise-reduced, which improves the effectiveness of noise reduction, so that the target noise-reduced image obtained by noise reduction retains image details while reducing image noise, resulting in better clarity Imaging effect, thereby improving the user experience.

Description

technical field [0001] The present application relates to the field of imaging technology, and in particular to an image processing method and device based on multi-frame images. Background technique [0002] With the development of smart terminal technology, the use of mobile terminal devices (such as smart phones, tablet computers, etc.) is becoming more and more popular. Most mobile terminal devices have built-in cameras, and with the enhancement of mobile terminal processing capabilities and the development of camera technology, the performance of built-in cameras is becoming more and more powerful, and the quality of captured images is also getting higher and higher. Nowadays, mobile terminal devices are easy to operate and easy to carry, and more and more users use mobile terminal devices such as smart phones and tablet computers to take pictures in daily life. [0003] While smart mobile terminals bring convenience to people's daily photography, people also have high...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/232H04N5/265H04N5/217
CPCH04N5/265H04N23/81H04N23/951G06T5/50G06T5/002G06T2207/20208G06T2207/20012G06T2207/20221G06T5/009H04N23/741H04N23/73
Inventor 黄杰文
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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