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Image-processing-based flatness detection system

A flatness detection and image processing technology, applied in measurement devices, instruments, optical devices, etc., can solve the problems of being easily affected by human subjective factors, long measurement time, cumbersome reading process, etc. High strength, easy operation and flexible effect

Inactive Publication Date: 2016-04-20
HUAIAN INST OF MEASUREMENT & TESTING
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Problems solved by technology

However, the reading process of this method is cumbersome, the measurement time is long, and it is easily affected by human subjective factors.

Method used

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  • Image-processing-based flatness detection system
  • Image-processing-based flatness detection system
  • Image-processing-based flatness detection system

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Embodiment Construction

[0037] The technical solution of the present invention will be further described in detail below in conjunction with specific drawings and specific embodiments:

[0038] Such as figure 1 and Figure 4The shown flatness detection system based on image processing is composed of an image acquisition module, an image processing module, a data processing module and an image imaging module connected in sequence; wherein, the image acquisition module includes a mirror located above the tested flat panel, a light source camera And the image acquisition card, the light source emits laser light, which is reflected by the measured surface and then enters the camera through the reflector, and the angle value between two points on the plane is calculated through the angle between the incident light and the outgoing light, and the angle indication value is displayed in the image imaging module engraved line;

[0039] Afterwards, the image acquisition module completes the acquisition of th...

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Abstract

The invention relates to an image-processing-based flatness detection system comprising an image acquisition module, an image processing module, a data processing module, and an image imaging module. The modules are connected successively. The image acquisition module consists of a reflector arranged above a detected flat plate, a light source camera, and an image acquisition card; a light source sends laser out; the laser is reflected by a detected surface and enters the camera by the reflector; an angle value between two points on the plane is calculated based on an included angle between incident light and emergent light; and a marked line of an angle indication value is displayed in the image imaging module. CCD image information collection and data conversion are carried out on detection data and then the processed data are transmitted into a computer; the data are analyzed and process in an MATLAB environment and three-dimensional simulation is carried out on a detected plane; and a rapid and effective detection platform is provided for measurement work.

Description

technical field [0001] The invention relates to the field of flatness testing, in particular to a flatness testing system based on image processing. Background technique [0002] With the rapid development of the machinery industry, the amount of testing of flatness and straightness in the factory laboratory of the machinery industry and its quality inspection department, length measurement and testing department has also increased. In mechanical processing, flatness error and straightness error are important indicators for evaluating the flatness and straightness of the workpiece surface. Its size can reflect the level of precision machining in a country. Therefore, the measurement technology of flatness error and straightness error is one of the important research contents in precision testing technology. During the testing process, choosing an appropriate instrument is the key to accurate and fast measurement. The processing method of measurement data is simple, conven...

Claims

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Application Information

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IPC IPC(8): G01B11/30
CPCG01B11/303
Inventor 张强王平均王梅琴郑卫华
Owner HUAIAN INST OF MEASUREMENT & TESTING
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