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Image conversion method and device

An image conversion, fisheye image technology, applied in the field of computer vision, can solve the problem of low authenticity of fisheye images

Active Publication Date: 2022-01-04
SHENZHEN MINIEYE INNOVATION TECH CO LTD
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Problems solved by technology

[0004] The invention provides an image conversion method and device, which solves the problem of low authenticity of fisheye images obtained from virtual three-dimensional space

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Embodiment Construction

[0038]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0039] Hereinafter, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the embodiments of the present disclosure, unless otherwise specified, "plurality" means two or mor...

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Abstract

The invention discloses an image conversion method and device, and relates to the technical field of computer vision. According to the specific scheme, the method comprises the steps that computer equipment determines a three-dimensional map meeting the Mercator projection principle through a preset three-dimensional rendering target in a virtual three-dimensional space, and determines the position of a pixel point in the three-dimensional space according to the size of the three-dimensional map and the position of any pixel point in the three-dimensional map, then, according to the positions of the pixel points in the three-dimensional space and a preset fisheye camera distortion coefficient, the distortion characteristics of the pixel points are determined, and according to the distortion characteristics, the preset size of the fisheye image and the position of each pixel point in the three-dimensional map, the position of each pixel point in the fisheye image is determined, and finally, dyeing processing is carried out on each pixel point in the fisheye image to obtain the fisheye image corresponding to the three-dimensional chartlet. The fisheye image conforming to the equidistant projection model can be obtained, and the authenticity of the fisheye image obtained from the virtual three-dimensional space is improved.

Description

technical field [0001] The invention relates to the technical field of computer vision, in particular to an image conversion method and device. Background technique [0002] In the field of computer vision technology, algorithm training often requires a large number of fisheye images taken under different scene conditions or different fisheye camera parameters. These fisheye images cannot be obtained quickly and conveniently in reality. In order to solve the above problems, the existing technology provides The technical idea of ​​obtaining fisheye images in the virtual three-dimensional space is to obtain a large number of fisheye images taken under different conditions only by changing the scenes and stereoscopic rendering targets arranged in the virtual three-dimensional space. [0003] However, the existing technology can only obtain the fisheye image by distorting the pixels far from the center of the lens edge. Eye images are less realistic. Contents of the invention...

Claims

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Application Information

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IPC IPC(8): G06T3/00G06T15/00G06T17/00G06T19/00
CPCG06T15/00G06T17/00G06T19/006G06T3/047
Inventor 蔡都刘国清杨广王启程郑伟俞吉周星星徐希楠
Owner SHENZHEN MINIEYE INNOVATION TECH CO LTD
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