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3D scanning system

A technology of three-dimensional scanning and three-dimensional contour, applied in the field of three-dimensional scanning system, can solve the problems of increasing cost

Active Publication Date: 2021-07-23
ACER INC
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Problems solved by technology

Using existing 3D scanning with optical and laser ranging technology reduces the burden of drawing and improves the fidelity of virtual objects, but it will greatly increase the cost

Method used

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Embodiment Construction

[0027] In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail in conjunction with the accompanying drawings.

[0028] figure 1 It is a functional block diagram of a three-dimensional scanning system 100 in an embodiment of the present invention. The three-dimensional scanning system 100 includes a liquid tank 10 , a liquid 20 , a capacitive sensor 30 , a computing unit 40 , and a test object carrying device 50 .

[0029] In the present invention, the capacitive sensor 30 uses a flexible material as the transparent conductive film, so its shape can be designed according to the shape of the liquid tank 10 . Figure 2A and Figure 2B It is a schematic diagram of the appearance of the liquid tank 10 and the capacitive sensor 30 in the embodiment of the present invention. Such as Figure 2A As shown, when the liquid tank 10 is cylindrical, the capacitive sensor 30 can ...

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Abstract

The invention proposes a three-dimensional scanning system, which includes a liquid tank, a capacitive sensor and a computing unit. The capacitive sensor is arranged on the liquid tank and includes a plurality of detection points, which are used to sense the water waves caused by the side objects immersed in the liquid contained in the liquid tank at multiple time points. The computing unit is used to calculate multiple liquid heights corresponding to multiple time points according to the capacitance sensing values ​​of multiple detection points, respectively calculate multiple time points and multiple liquid heights between the multiple time points and the initial time point before the side object is immersed in the liquid. Time difference, calculate multiple waveform times of multiple detection points corresponding to multiple time points according to multiple liquid heights, and calculate multiple two-dimensional contours of objects to be sided corresponding to multiple time points based on multiple waveform times, And stack multiple two-dimensional contours and calculate the three-dimensional contour of the object to be sided according to multiple time differences.

Description

technical field [0001] The present invention relates to a three-dimensional scanning system, in particular to a three-dimensional scanning system using water wave detection. Background technique [0002] Three-dimensional scanning is mainly used to scan the object space, shape, structure and color to obtain the spatial coordinates of the object surface. The purpose of 3D scanning is to convert real-world information into digital world data that can be directly processed by computers, and then apply it in virtual reality (VR), augmented reality (augmented reality, AR) and mixed reality (mixed reality, MR). and other technologies. Since the scanning of three-dimensional objects usually requires several cameras with optical and laser ranging technology, and then complex software is used to complete it, it is a high-priced professional application. If it is used in the entertainment function of a virtual community, it may not meet the cost considerations. [0003] For example,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B7/28
CPCG01B7/28
Inventor 柯杰斌
Owner ACER INC
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