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Image correction method, device, equipment and medium

An image correction and image technology, applied in the field of image processing, can solve problems such as low efficiency and difficulty in ensuring the correction effect

Active Publication Date: 2022-02-22
成都市精卫鸟科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method of correcting images is not only inefficient, but also difficult to guarantee the correction effect when correcting distorted images
[0004] At present, there are some relatively mature curve detection methods. These detected curves can be the edge lines of objects in the image, or curves drawn in the image, which makes it possible to perform image correction based on the curves in the image.

Method used

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  • Image correction method, device, equipment and medium
  • Image correction method, device, equipment and medium
  • Image correction method, device, equipment and medium

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Embodiment Construction

[0087] In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the embodiments are not intended to limit the present invention.

[0088] figure 1 It is a schematic flowchart of an image correction method provided in the embodiment of the present application, the method includes:

[0089] S101: Detect the curve in the image to be corrected, and perform curve fitting based on the detection result to obtain an upper calibration curve function and a lower calibration curve function. For example, see image 3 as shown, image 3 It is a schematic diagram of the image to be corrected provided by the embodiment of this application. For example, see Figure 4 as shown, Figure 4 The schematic diagrams of the upper calibration curve function and the lower calibration curve function provided for the embodiment of the present...

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Abstract

The invention discloses an image correction method, device, equipment and medium. The method includes: detecting the curve in the image to be corrected, and performing curve fitting based on the detection result to obtain an upper correction curve function and a lower correction curve function; based on The upper-end correction curve function and the lower-end correction curve function adjust the pixel points of the image to be corrected to obtain a first correction image; based on the slope of the upper-end correction curve function and / or the slope of the lower-end correction curve function The slope adjusts the pixels of the first corrected image to obtain a second corrected image. The main purpose of the present invention is to realize the correction of distorted images based on curve detection.

Description

technical field [0001] The present invention relates to the field of image processing, in particular to an image correction method, device, equipment and medium. Background technique [0002] In daily life, work, and study, images acquired by image acquisition devices such as mobile phones, cameras, and scanners may be distorted to a certain extent. Such distorted images are not easy to read or further process the image. [0003] At present, image processing software such as photoshop and coreldraw are mainly used to correct distorted images. However, this method of correcting images is not only inefficient, but also difficult to guarantee the correction effect when correcting distorted images. [0004] At present, there are some relatively mature curve detection methods. These detected curves can be object edge lines in the image, or curves drawn in the image, which makes it possible to perform image correction based on the curves in the image. For example, the applicant ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00G06T7/13G06T7/60
CPCG06T7/13G06T7/60G06T2207/20164G06T5/80
Inventor 杜乐强
Owner 成都市精卫鸟科技有限责任公司