Method and system for constructing a three-dimensional reconstruction model surface
A three-dimensional reconstruction and model technology, applied in the field of three-dimensional reconstruction, to achieve the effect of simplifying the triangulation process
Inactive Publication Date: 2019-03-15
INST OF AUTOMATION CHINESE ACAD OF SCI
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[0005] The main purpose of the embodiments of the present invention is to provide a method for constructing a 3D reconstruction model surface, which at least partially solves the technical problem of how to construct a 3D reconstruction model surface with any resolution without being affected by the surface resolution of the 3D reconstruction model
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[0026] The technical problems solved by the embodiments of the present invention, the technical solutions adopted and the technical effects achieved are clearly and completely described below in conjunction with the accompanying drawings and specific embodiments. Apparently, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in the present application, all other equivalent or obviously modified embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0027] It should be noted that, in the following description, many specific details are given for the convenience of understanding. It may be evident, however, that the present invention may be practiced without these specific details.
[0028] It should be noted that, in the case of no explicit limitation or conflict, various embodiments of the present invention a...
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The invention discloses a method and a system of constructing a three-dimensional reconstruction model surface. The method is characterized in that a multi-visual angle image of a reconstructed object is acquired; according to the resolution of the multi-visual angle image, the space coordinate values of the three-dimensional points of the three-dimensional reconstruction model and index values of triangular patches are determined, and in addition, the three-dimensional points participate in the construction of the triangular patches, and the number of the three-dimensional points and the number of the triangular patches are determined. The three-dimensional reconstruction model surface can be constructed based on the space coordinate values of the three-dimensional points, the index values of the above mentioned triangular patches, the number of the three-dimensional points, and the number of the triangular patches. The technical problem of constructing the three-dimensional reconstruction model surface having any resolutions by adopting the predetermined corresponding relation between the three-dimensional points and the index values of the triangular patches, in the construction of which the three-dimensional points participate, is solved.
Description
technical field [0001] Embodiments of the present invention relate to the technical field of three-dimensional reconstruction, and in particular to a method and system for constructing a three-dimensional reconstruction model surface. Background technique [0002] The 3D reconstruction technology based on multi-view image acquisition generally uses camera arrays to acquire multi-view synchronous images of the object scene to be reconstructed. Position (u, v), combined with the focal length of the camera itself, the spatial position relationship between cameras and other parameters, calculate the depth information z of the object scene in any camera, combined with the relative position relationship in (u, v) space, get The three-dimensional information (x, y, z) of each actual point in the reconstructed object scene. One of the characteristics of the reconstruction model completed according to this method is that in the three-dimensional information (x, y, z) of each actual ...
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IPC IPC(8): G06T7/50
CPCG06T2207/10004
Inventor 张赵行耿征曹煊孟祥冰
Owner INST OF AUTOMATION CHINESE ACAD OF SCI