Method and system for generation of three-dimensional panoramic image based on zooming stereoscopic vision

A panoramic image and stereo vision technology, which is applied in image enhancement, image analysis, image data processing and other directions, can solve the problem of equipment being easily affected by external environmental factors and other problems.

Active Publication Date: 2018-03-23
SHENYANG LIGONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Direct acquisition of point cloud data based on laser equipment can obtain a large amount of point cloud data and more accurately retain the characteristics of the image, but this equipment is easily affected by external environmental factors.

Method used

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  • Method and system for generation of three-dimensional panoramic image based on zooming stereoscopic vision
  • Method and system for generation of three-dimensional panoramic image based on zooming stereoscopic vision
  • Method and system for generation of three-dimensional panoramic image based on zooming stereoscopic vision

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Embodiment 1

[0145] For connection methods of various devices, see figure 1 , due to the need to simulate human eyes, in the present invention, an industrial CCD monocular zoom camera is selected to collect images at different angles and different focal lengths, and store the collected images in the storage device 3 . The image processing program 4 in the processor 6 reads the first focal length under each camera lens angle and the two images taken by the industrial CCD monocular zoom camera under the second focal length from the storage device 3 to carry out the image processing program 4 and process the Finally, the data is passed to the matching program 5 for processing to obtain two pieces of 3D point clouds, and then the data is passed to the 3D point cloud splicing program 7 to finally generate a 3D panoramic image 8 .

[0146] For the specific steps of the software algorithm and process flow realization method, see figure 2 :

[0147] (1) Two images with different focal lengths a...

Embodiment 2

[0169] An image captured at the first focal length at the first angle and an image at the first focal length at the second angle overlap by half.

Embodiment 3

[0171] An image captured at the first focal length at the first angle and an image at the first focal length at the second angle overlap by one-third.

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Abstract

The present invention provides a method and a system for generation of a three-dimensional panoramic image based on zooming stereoscopic vision. The method employs two-dimensional images shot in different focal lengths to perform accurate image processing and analysis, employs an algorithm to calculate three-dimensional point cloud data of the image and performs point cloud data compaction, registration and splicing to finally generate a three-dimensional panoramic image. The system comprises two portions consisting of hardware and software, wherein the hardware comprises a monocular zooming image collection device, a storage device and a processor, and the software portion comprises an image processing program, a matching program and a splicing program. The implementation method can perform camera calibration, and a point cloud splicing method capable of graying, image enhancement, image feature extraction, dense matching, three-dimensional point cloud calculation, three-dimensional monocular vision can perform three-dimensional reconstruction of the image; and moreover, a mode is broken that a traditional camera shooting angle cannot satisfy demands, and the method and the systemfor generation of the three-dimensional panoramic image based on zooming stereoscopic vision can perform omnibearing appearance of basic construction of a target object.

Description

technical field [0001] The invention belongs to a monocular stereo vision system, and more specifically relates to a method and system for generating a three-dimensional panoramic image based on zoom stereo vision. Background technique [0002] With the rapid development of computer technology, people can obtain information through different ways such as vision, smell and hearing. Images play an important role in human perception, and a wealth of information can be obtained through images. With the continuous pursuit of the amount of visual information, the application research of panoramic images has been highly valued in the fields of artificial intelligence and machine vision. Panoramic images are widely used in virtual reality, geographic scene reconstruction, aerospace, medicine, etc. You can observe the panorama of streets on Baidu Maps. The Chang’e-3 lunar probe uses a panoramic camera to collect panoramas around the probe, and synthesizes a large-angle panorama of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/40G06T7/33G06T7/55G06T7/80G06T17/00
CPCG06T3/4038G06T7/33G06T7/55G06T7/80G06T17/00G06T2207/10028G06T2207/10012
Inventor 高宏伟刘玉影于洋姜月秋
Owner SHENYANG LIGONG UNIV
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