Real-time video stitching method of multi-fisheye-lens panoramic camera

A panoramic camera and fisheye lens technology, applied in the field of computer image processing, can solve problems such as difficulty in meeting real-time requirements, and achieve the effects of real-time rapid stitching, improving efficiency, and ensuring accuracy

Inactive Publication Date: 2018-06-22
深圳市一粒视界科技有限公司 +1
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

This traditional technical route is generally applicable, but it is difficult to meet the real-time requirements

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  • Real-time video stitching method of multi-fisheye-lens panoramic camera

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Embodiment Construction

[0048] The details of one or more embodiments of the invention are set forth in the following description of the accompanying drawings and the detailed description. Other features, objects and advantages of the invention will be apparent from the description, drawings and claims.

[0049] It should be understood that the illustrated and described embodiments are not limited in application to the details of construction and arrangement of components set forth in the following description or illustrated in the drawings. The illustrated embodiments are capable of other embodiments and of being practiced or carried out in various ways. Each example is provided by way of explanation, not limitation, of the disclosed embodiments. In fact, it will be apparent to those skilled in the art that various modifications and variations can be made in the various embodiments of the invention without departing from the scope or spirit of the invention disclosed. For example, features illustr...

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Abstract

The invention provides a real-time video stitching method of a multi-fisheye-lens panoramic camera. The real-time video stitching method of the multi-fisheye-lens panoramic camera comprises the stepsof calibrating internal parameters of each fisheye lens and external parameters between each two of the fisheye lenses to obtain internal parameters and external parameters; correcting an original image shot by each fisheye lens to form an aperture imaging model image through the external parameters, thereby obtaining a position relationship of each two fisheye lenses; mapping each aperture imaging model image to a three-dimensional unit ball through the external parameters to form a spherical image, projecting each spherical image to a plane to obtain a panoramic image, and obtaining a position relationship between the original images and the panoramic image; calculating an overlapped region of the images based on the border of each image in the panoramic image, and obtaining the weight of each image in the overlapped region after a middle line of the overlapped region is obtained; building a mapping table of the position relationship of the original images and the panoramic image andthe weight parameters, and uploading the mapping table into a memory in advance; and calling the mapping table of the position relationship and the weight parameter in a real-time stitching process for video stitching.

Description

technical field [0001] The invention relates to the field of computer image processing, in particular to computer processing of optical images. [0002] More specifically, the present invention relates to a real-time video stitching method of a multi-fisheye panoramic camera, but is not limited thereto. Background technique [0003] As a representative of ultra-wide-angle special lenses, fisheye lenses are characterized by extremely short focal lengths and a viewing angle that is close to or can reach 180°, and what they see exceeds the range that the human eye can see. Simultaneous imaging of multiple sets of fisheye lenses can obtain a complete image of the 360° environment around the viewpoint. Real-time seamless stitching of these images is an essential technology for real-time sharing of scenes. [0004] The traditional stitching technology converts multiple images into the same projection, extracts the feature information of the overlapping area of ​​adjacent images, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/265H04N5/232G06T3/40G06T3/00G06T7/80G06T17/10
CPCH04N5/265G06T3/0018G06T3/4038G06T7/80G06T17/10G06T2207/10016G06T2210/61H04N23/698
Inventor 沈焕锋李星华夏桂松丁红兵丁非
Owner 深圳市一粒视界科技有限公司
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