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Three-dimensional scanning modeling system for non-standard parts

A three-dimensional scanning, non-standard technology, applied in the field of three-dimensional scanning modeling system, can solve the problem of the conversion success rate of non-standard parts not suitable for multi-variety and small batch, the conversion success rate of non-standard parts of multi-variety and small batch, and the conversion effect is not ideal, very It is difficult to meet the requirements of 3D reconstruction for point cloud quality and other problems, and achieve the effect of avoiding incorporation and building a simple framework

Active Publication Date: 2020-08-04
WUXI RONGEN NUMERICAL CONTROL TECH
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Problems solved by technology

But obviously these algorithms are not suitable for multi-variety, small-batch non-standard parts, and it is difficult to meet the quality requirements of 3D reconstruction for point cloud through the processed effect
In addition, for automatic modeling, there is currently a processing method that uses format conversion software to automatically call point cloud files and convert them into 3D digital model files, but the conversion success rate and conversion effect for multi-variety and small-batch non-standard parts are not ideal

Method used

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  • Three-dimensional scanning modeling system for non-standard parts

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Embodiment Construction

[0014] The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the invention. Furthermore, the present disclosure may repeat reference numerals and / or reference letters in different instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and / or the use of other materials.

[0015] The current 3D scanning technology is mostly used for parts inspection. Reverse modeling technology also requires the intervention of a large number of professionals. It...

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Abstract

The invention discloses a three-dimensional scanning modeling system for non-standard parts, and relates to the technical field of paint spraying. The three-dimensional scanning modeling system for the non-standard part comprises applying a particle swarm algorithm to point cloud data, performing kernel density estimation on the optimal broadband, carrying out mean shift algorithm operation on thedensity function; removing outliers, performing weighted principal component analysis operation on the preprocessed point cloud data; performing operation of a three-dimensional contour surface extraction algorithm on the secondary processing point cloud data; carrying out contour surface extraction, component construction and optimization; obtaining a three-dimensional digital analog, carrying out first point cloud data processing through combination of a particle swarm algorithm and a mean shift algorithm; and then carrying out second point cloud data analysis through weighted principal component analysis, so as to enable a formed file to be more accurate and practical. Point cloud data obtained through scanning is directly utilized to form a digital model, establishment of a frameworkis avoided, a modeling process is simplified, a processing result is ensured, and doping of external impurities is avoided.

Description

technical field [0001] The invention relates to the technical field of paint spraying, in particular to a three-dimensional scanning modeling system for non-standard parts. Background technique [0002] The current 3D scanning technology is mostly used for parts inspection. Reverse modeling technology also requires the intervention of a large number of professionals. It uses professional knowledge to perform multiple processing on 3D point clouds, and the operation is cumbersome. Due to the limitations of the method and principle of 3D scanning, the scanning effect of objects with different shapes and structures cannot be guaranteed. Therefore, the quality of the generated 3D point cloud is also uneven, which leads to the problem of large amount of work in the later manual processing. [0003] At present, it is difficult to realize the overall automation of 3D scanning modeling, which still requires human intervention, and the intermediate process is separated. Although so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/00B05B13/04B05B12/12
CPCG06T17/00B05B13/0431B05B12/122G06T2200/08Y02T10/40
Inventor 吴昊王大钧陈雁骉曾宏武
Owner WUXI RONGEN NUMERICAL CONTROL TECH
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