Fisheye image conversion method and device

A conversion method and fisheye image technology, applied in the field of image processing, can solve the problems of low conversion efficiency and inability to realize fisheye image conversion, etc.

Active Publication Date: 2020-05-08
BEIJING IQIYI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this process, the fisheye image needs to go through two conversion processes, which makes the conversion efficiency low and cannot realize the real-time conversion of the fisheye image.

Method used

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  • Fisheye image conversion method and device
  • Fisheye image conversion method and device
  • Fisheye image conversion method and device

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Embodiment Construction

[0082] 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 making creative efforts belong to the protection scope of the present invention.

[0083] see figure 1 , figure 1 The flowchart of the fisheye diagram conversion method provided by the embodiment of the present invention includes:

[0084] Step 101, obtaining the fisheye image to be converted.

[0085] An image captured with a fisheye lens can be called a fisheye image, and a fisheye lens is a lens with a focal length of 16mm or less and a viewing angle close to or equal to 180°. It is an extreme wide-angle lens, "fisheye lens" is its com...

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Abstract

The embodiment of the invention provides a fisheye image conversion method and device. The method comprises: obtaining a fisheye image to be converted; converting the coordinates of each pixel in the fisheye image to the coordinates in a panorama, and establishing a mapping relation between the coordinates of each pixel in the fisheye image and the coordinates in the panorama; and according to the mapping relation, sampling the pixels corresponding to the coordinates in the panorama from the fisheye image, and converting the fisheye image to the panorama. The fisheye image conversion method and device do not need the steps of correcting the fisheye image to a planar graph without distortion and then converting the planar graph without distortion to the panorama to reduce the steps and links in the process, improve the conversion efficiency so as to realize the real-time conversion of the fisheye image obtained in real time.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a fisheye image conversion method and device. Background technique [0002] In recent years, with the rapid development of VR (Virtual Reality, virtual reality), various hardware and software applied to VR emerge in an endless stream. Among them, panoramic video VR has become a hot spot in technology research and development and product content innovation, and is widely used in virtual theaters. Panorama games, panorama education, panorama medical care, panorama tourism and many other fields have broad prospects and huge economic value. [0003] At present, when many camera devices shoot panoramic images, they can only capture a small viewing angle, generally less than 120°. But in many cases, it is necessary to shoot a panoramic image with a larger viewing angle, so it is necessary to use a fisheye lens or equipment for shooting. [0004] However, when shooting with a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00
CPCG06T5/006
Inventor 诸加丹
Owner BEIJING IQIYI TECH CO LTD
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