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Image distortion correction method and device, electronic equipment and storage medium

An image distortion correction and distortion correction technology, applied in the field of image processing, can solve problems such as deformation of foreground objects, and achieve the effect of beautiful imaging, small calculation amount, and avoiding deformation

Pending Publication Date: 2021-08-06
BLACK SESAME TECH CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

However, if there is a foreground object (such as a portrait) in the original image, the distortion correction performed on the original image will cause the foreground object in the resulting image to be deformed due to the stretch-like operation of the distortion correction.

Method used

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  • Image distortion correction method and device, electronic equipment and storage medium
  • Image distortion correction method and device, electronic equipment and storage medium
  • Image distortion correction method and device, electronic equipment and storage medium

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Embodiment Construction

[0072] In order to make the purpose, technical solutions and advantages of the present application, the present application will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended to explain the present application and is not intended to limit the present application.

[0073] The original image taken by the super wide-angle camera module usually has image distortion. figure 1 The original image taken by the Ultra-wide-angle camera module. like figure 1 As shown, due to the distortion characteristics of the wide-angle lens, the farther region image distortion of the original image distance is more obvious.

[0074] In order to eliminate distortion in the image, the intra-unclear camera module can be used to distort the original image to the original image, and the image of the distortion correcting figure 2 Indicated. Since there is a similar stretching o...

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Abstract

The invention relates to an image distortion correction method and device, electronic equipment and a computer readable storage medium. The image distortion correction method comprises the following steps: acquiring an original image shot by a camera; when the original image comprises the foreground object, calculating the deformation degree of the foreground object; and when the deformation degree of the foreground object is greater than a predetermined threshold, performing distortion correction and spherical projection on the original image to obtain a result image. According to the image distortion correction method provided by the invention, rapid distortion correction can be carried out on the ultra-wide-angle image with relatively low operation complexity, and a relatively good correction effect is obtained.

Description

Technical field [0001] The present invention relates to the field of image processing, and more particularly to image distortion correction methods, apparatus, electronic devices, and computer readable storage media. Background technique [0002] More and more mobile phones are integrated in the mobile phone module, the field corner (FOV) of the super-wide-angle camera module is generally greater than 100 °, which can obtain a broader shooting field, but at the same time The image introduces image distortion, resulting in distortion of the image, especially in the edge region of the image. [0003] The camera module can be calibrated to the camera's interference, and the input image is distorted by the camera's internal parametric to eliminate distortion phenomena in the original image. However, if there is a foreground object (e.g., a portrait) in the original image, the distortion correction of the original image is deformable due to the absence of a similar stretching operatio...

Claims

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Application Information

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IPC IPC(8): G06T5/00G06T7/80
CPCG06T7/80G06T5/80G06T2207/30204H04N17/002G06T3/12G06T7/73G06T7/13G06T7/60
Inventor 李文学
Owner BLACK SESAME TECH CO LTD
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