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Panoramic image splicing method for high-speed camera

A high-speed camera and panoramic image technology, applied in image data processing, graphics and image conversion, instruments, etc., can solve the problems of large amount of calculation, low stitching efficiency, etc., achieve fast acquisition, facilitate hardware implementation, and reduce overlapping areas.

Active Publication Date: 2019-06-25
BEIJING INST OF ENVIRONMENTAL FEATURES
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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a high-speed camera panoramic image stitching method in view of the defects of large amount of calculation and low stitching efficiency in the stitching method of panoramic images in the prior art

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specific Embodiment approach 1

[0040] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT 1. The first aspect of the present invention provides a high-speed camera panoramic image stitching method, combining figure 1 As shown, including setting the high-speed camera on the turntable, the exposure interval of the high-speed camera is at most set to the time elapsed when the rotation angle displacement of the turntable is equal to the lateral field of view angle of the camera;

[0041] The turntable is rotated 360° at a constant speed, and the high-speed camera images the target according to the exposure interval; the angular displacement of the turntable corresponding to each original target image obtained by the high-speed camera is determined by the code disc value of the code disc;

[0042] All the original target images are sorted by the imaging time according to the corresponding code disc value, and the non-linear algorithm is used to register two adjacent original target images, and the overlapping area i...

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Abstract

The invention relates to a panoramic image splicing method for a high-speed camera, and the method comprises the steps: arranging the high-speed camera on a turntable, and setting the exposure interval of the high-speed camera at most to be the time experienced when the turntable angular displacement is equal to the transverse field angle of the camera; Enabling the rotary table to rotate for 360degrees at a constant speed, and meanwhile, enabling the high-speed camera to image a target according to the exposure interval; Wherein the turntable angular displacement corresponding to each original target image acquired by the high-speed camera is determined by the code disc value of the code disc; Sequencing all the original target images according to corresponding code disc values and imaging time, registering two adjacent original target images by adopting a nonlinear algorithm, and removing an overlapped area to obtain a duplicate-removed target image; And splicing all the target images subjected to duplicate removal according to the sequence to form a 360-degree panorama. According to the invention, the images are sorted by using the code disc values, the efficiency is high, andthe image splicing efficiency is improved, so that the panoramic image can be quickly obtained.

Description

technical field [0001] The invention relates to the technical field of image stitching, in particular to a method for stitching panoramic images of high-speed cameras. Background technique [0002] At present, with the rapid development of electronic information technology, image information, as the most direct and effective information, has received extensive attention from all over the world. Whether in artificial intelligence or industrial automation technology, imaging technology is inseparable, and how to obtain image information with a larger field of view has become an important issue. [0003] Existing wide-angle cameras can obtain images in a wider field of view relatively speaking, but their field of view is still limited. If you want to obtain image information in a 360° field of view, you can only rely on image stitching technology. How to achieve image stitching accurately and quickly to obtain panoramic images has become an important research topic. [0004]...

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Application Information

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IPC IPC(8): G06T3/00G06T3/40
Inventor 李海涛闫鑫石春雷杨文佳崔述金杨桦李伯轩王永艳
Owner BEIJING INST OF ENVIRONMENTAL FEATURES
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