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Steady non-rigid motion reconstruction method

A non-rigid motion, robust technology, applied in 3D modeling, image data processing, instruments, etc., can solve problems such as difficulty in use, and achieve the effect of improving stability and enhancing applicability

Active Publication Date: 2018-03-30
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

This makes it difficult to use in real non-rigid reconstruction applications

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  • Steady non-rigid motion reconstruction method
  • Steady non-rigid motion reconstruction method

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[0023] For product inventions, the product composition, circuit composition or chemical composition, the relationship between various parts, working process or operation steps should be described; for method inventions, steps, parameters, process conditions, etc. should be described, and multiple specific implementation methods can be provided.

[0024] In this embodiment, two data sets of Pickup and Stretch in MotionCapture are selected for reconstruction verification. These two data sets have a total of 41 points on the human body, so the maximum value of K is 13. Among them, Pickup has a total of 357 frames of three-dimensional actions, and Stretch has a total of 1110 frames of three-dimensional actions. These three-dimensional actions are used as the shape truth data Sgt. First, we virtually generate an orthogonal projection camera model Rgt, which rotates around the human body at an angle of 5 degrees each time to generate 264 frames of two-dimensional measurement project...

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Abstract

The invention discloses a steady non-rigid motion reconstruction method, and relates to the field of three-dimensional reconstruction in computer vision, in particular to a steady non-rigid motion reconstruction method. By use of the method, the defects in the prior art that the value of an orthogonal discrete cosine base number K needs to be continuously debugged to obtain a reconstruction resultwhich approaches to a truth value to reduce in a true non-rigid reconstruction application so as to be difficult in use can be solved, statistics can be carried out to obtain a reconstruction resultthrough the calculation of a plurality of rectification bases on a premise that the orthogonal discrete cosine base number K does not need to be preset or debugged, and the applicability and the stability of a non-rigid reconstruction algorithm based on a trajectory base are enhanced.

Description

technical field [0001] The invention relates to the field of three-dimensional reconstruction in computer vision, in particular to a robust non-rigid motion method. Background technique [0002] In the field of computer vision, 3D reconstruction refers to the recovery of objects or the structure of object motion from a series of 2D image measurements, including the reconstruction of rigid objects and non-rigid objects. The reconstruction of non-rigid object motion has a very wide range of application scenarios, and has always been a hot issue in the field of computer vision. It has important application value in virtual reality and human-computer interaction. The difficulty in reconstruction of non-rigid motion mainly lies in: the motion changes the rank-fixed relationship between the two-dimensional projections of the original rigid object on the image, increases the parameters of the reconstruction model, and the number of model parameters will increase with time. increas...

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Application Information

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IPC IPC(8): G06T17/00
CPCG06T17/00
Inventor 郑亚莉田康朱嘉恒程洪
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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