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Band tape graduation on-line automatic detection system and method based on image processing

An automatic detection and image processing technology, which is applied in image data processing, image analysis, and bendable rulers, etc., can solve the problems of staying in the original stage, and achieve accurate detection and judgment, wide application range, and high detection accuracy.

Active Publication Date: 2009-05-06
HAIAN SOOCHOW UNIV ADVANCED ROBOT RES INST
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, due to the complexity of the surface of the tape, the tightness and miniaturization of the scale of the tape, and the high precision required for the detection of the tape, the detection of the printing quality on the surface of the tape has been stuck in the original stage.

Method used

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  • Band tape graduation on-line automatic detection system and method based on image processing
  • Band tape graduation on-line automatic detection system and method based on image processing
  • Band tape graduation on-line automatic detection system and method based on image processing

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Embodiment Construction

[0031] A preferred embodiment of the present invention is described in detail as follows in conjunction with accompanying drawing:

[0032] see figure 1 , the online automatic detection system of tape scale based on image processing, comprising a CCD camera 1, a computer 8 equipped with an image acquisition card and an assembly line operation platform 6, the guide tape measure 5 is housed on the said assembly line operation platform 6 tables Two tape measure slots 7 and a shielding device 4, the CCD camera 1 is fixed on the shielding device 4 directly above the tape measure, the field of view is aligned with the tape measure surface, and a direct annular epi-emission light source 2 is fixed around the CCD camera 1 On, a side LED light source 3 is fixed on the shielding device 4 on the side below the CCD camera, and the tape measure 5 can pass through two draw-in slots 7 on the operating platform 6; the computer 8 communicates with the CCD camera through its image acquisition c...

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Abstract

The invention relates to a tape measure scale on-line automatic detecting system based on image processing and a method thereof; the system forms a main framework by a CCD video camera, two light source devices (including a direct annular epi-illuminating light source and a side LED light source), a computer equipped with an image capture card, an operating platform provided with a neck and a shielding device, and an alarm bell. The method acquires production line moving tape measure surface images by using the CCD video camera, judges whether the scale, marks and figures on the surface of the tape measure are completely accurate by the computer processing, and further monitors by using the alarm bell. The utility system can automatically check the printing quality of the surface of the tape measure in real time, and has high detecting precision and good accuracy.

Description

technical field [0001] The invention relates to an online automatic detection system and method for the surface scale of a tape measure. In particular, the quality of the tape measure is detected by acquiring the surface image of the tape measure and performing digital image processing, which is efficient, accurate and has a high degree of automation. Background technique [0002] my country is a big country in the production of steel tapes, with an annual output of more than 1 billion meters. The production of steel tapes is to use rolling templates to continuously print the lines with specified precision on the steel strips. Due to objective reasons such as printing equipment, how to accurately align steel tapes Printing for quality inspection has become an important link in the tape measure production process. At present, the quality inspection methods adopted in our country are still relatively primitive, and the quality inspection equipment is relatively simple, mainly t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00G01B3/10G06T7/00
Inventor 张之江赵庆祥曾丹庄克成陶江良
Owner HAIAN SOOCHOW UNIV ADVANCED ROBOT RES INST
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