Three-dimensional image splicing method based on three-dimensional scene reconstruction

A technology of stereoscopic images and 3D scenes, applied in the field of computer vision

Pending Publication Date: 2022-05-31
GUANGDONG UNIVERSITY OF FOREIGN STUDIES
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Problems solved by technology

This method transforms stereoscopic image stitching into stereoscopic scene stitching, whi

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  • Three-dimensional image splicing method based on three-dimensional scene reconstruction
  • Three-dimensional image splicing method based on three-dimensional scene reconstruction
  • Three-dimensional image splicing method based on three-dimensional scene reconstruction

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[0026] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0027] The basic idea of ​​the present invention is as follows: modeling a stereoscopic image to generate a corresponding three-dimensional scene, using the three-dimensional scene splicing algorithm to obtain the spliced ​​three-dimensional scene, using the optimal viewpoint area segmentation algorithm to obtain the best re-projection viewpoints in different regions, and using this The inverse mapping algorithm proposed by the invention reprojects the viewpoint area and the viewpoint transition area under their corresponding viewpoints, improves the information holes of the reprojected ima...

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Abstract

The invention discloses a three-dimensional image splicing method based on three-dimensional scene reconstruction. The method comprises the following steps: A, inputting left views and right views of two three-dimensional images; b, modeling a corresponding three-dimensional point cloud scene by using the three-dimensional image; c, splicing the three-dimensional point cloud scenes of the two three-dimensional images into a three-dimensional panorama of the region of interest based on the three-dimensional matching point pairs; d, dividing the spliced three-dimensional point cloud scene into a combination of a viewpoint region and a viewpoint transition region through optimal viewpoint region segmentation; e, executing an inverse mapping algorithm, and re-projecting the three-dimensional point cloud scene to obtain a left view and a right view of the three-dimensional image; and F, outputting a left view and a right view of the spliced three-dimensional image. According to the invention, the splicing problem of close-shot large-parallax stereo images can be well solved, and a splicing result with good alignment and consistent parallax can be obtained.

Description

technical field [0001] The invention belongs to the field of computer vision, and in particular relates to a stereo image stitching method based on three-dimensional scene reconstruction, which can be applied to the stitching processing of close-range large parallax stereo images. Background technique [0002] With the popularity of portable stereo cameras, in order to obtain stereo images with a wider viewing angle, stereo image stitching technology has become a research hotspot in recent years. Traditional image stitching methods mainly focus on plane image stitching. Plane image stitching methods can be divided into plane image stitching methods based on global transformation and plane image stitching methods based on local deformation. The planar image stitching method based on global transformation transforms the source image into the target image through the global homography matrix to complete the registration. The plane image stitching method based on local deform...

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Application Information

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IPC IPC(8): G06T17/00G06T15/00G06T7/11
CPCG06T17/00G06T15/005G06T7/11G06T2207/10028G06T2207/20104G06T2207/20132G06T2207/20221
Inventor 龚永义潘晓仪曾坤卢建业
Owner GUANGDONG UNIVERSITY OF FOREIGN STUDIES
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