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Three-dimensional reconstruction method and device for three-dimensional object and computer storage medium

A technology of 3D reconstruction and 3D objects, applied in the field of 3D reconstruction, can solve problems such as not considering the global continuity

Pending Publication Date: 2021-04-20
DALIAN UNIV OF TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above two types of methods still solve the local registration problem without considering the global continuity

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  • Three-dimensional reconstruction method and device for three-dimensional object and computer storage medium
  • Three-dimensional reconstruction method and device for three-dimensional object and computer storage medium
  • Three-dimensional reconstruction method and device for three-dimensional object and computer storage medium

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Embodiment Construction

[0028] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only parts related to the present invention are shown in the drawings but not all content.

[0029] figure 1 It is a simplified flow chart of the three-dimensional reconstruction method for three-dimensional objects provided by the present invention. Such as figure 1 As shown in , the 3D reconstruction method of the present invention starts at step 10. At this step, the point cloud data of the surface of the three-dimensional object is acquired by using the acquisition ...

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Abstract

The invention discloses a three-dimensional reconstruction method and equipment for a three-dimensional object and a computer storage medium, and the method comprises the steps: obtaining point cloud data of the surface of the three-dimensional object through collection equipment, and enabling the point cloud data to comprise a plurality of point clouds; according to the overlapping relationship between the point clouds, performing pairwise registration between the point clouds by utilizing a point cloud registration method so as to realize local registration; constructing an undirected graph based on the point clouds registered in pairs; carrying out triangulation on the undirected graph; determining a transformation matrix corresponding to each edge of the triangulated undirected graph; correcting the transformation matrix by using a discrete Hough decomposition algorithm; and enabling the corrected transformation matrix to act on the point cloud data to perform data fusion, thereby realizing three-dimensional reconstruction of global consistency. According to the invention, the overall continuity and accuracy of data fusion can be significantly improved.

Description

technical field [0001] The present invention relates generally to the field of three-dimensional reconstruction. More specifically, the present invention relates to a three-dimensional reconstruction method, device and computer storage medium for three-dimensional objects. Background technique [0002] In practical 3D reconstruction scenarios, there is a problem of fusing data collected by multiple sensors and multiple perspectives. Often the local data of each sensor is reasonable, but if it cannot be properly fused, the overall data obtained from the local will have large errors, or even be completely wrong. Therefore, adjusting the global consistency of the overall data with errors and deviations plays an important role in improving the quality of 3D reconstruction. [0003] The traditional 3D reconstruction method is based on the geometric features and distribution features of the point cloud for registration. In recent years, with the development of artificial intell...

Claims

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Application Information

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IPC IPC(8): G06T17/00G06T7/33G06T5/50
Inventor 雷娜任玉雪郑晓朋陈伟姜宝伟胡煜成方复全
Owner DALIAN UNIV OF TECH