Researching | Design of Yarn Quality Detection System Based on Machine Vision

Laser & Optoelectronics Progress, Volume. 56, Issue 16, 161504(2019)

Design of Yarn Quality Detection System Based on Machine Vision

Huanhuan Zhang^*, Kai Yan^**, Pengfei Li, Junfeng Jing, and Zebin Su

Author Affiliations

College of Electronics and Information, Xi'an Polytechnic University, Xi'an, Shaanxi 710048, China

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Figures&Tables (9)

References (14)

Paper Information

Figures & Tables(9)

Fig. 1. Framework of system

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Fig. 2. Diagram of image acquisition system

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Fig. 3. Software framework

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Fig. 4. Yarn image and gray histogram. (a) Yarn image; (b) gray histogram of yarn image

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Fig. 5. Comparison of threshold algorithms. (a) Otsu threshold; (b) iteration threshold

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Table 1. 18.2 tex yarn diameter and CV value

Table 1. 18.2 tex yarn diameter and CV value

Sample	Measureddiameter /mm	Theoreticaldiameter /mm	Error /%	CV /%
1	0.1540	0.159	2.7	12.99
2	0.1559	0.159	2.0	13.80
3	0.1594	0.159	0.1	12.23
4	0.1623	0.159	1.9	13.45
5	0.1585	0.159	0.31	13.21
6	0.1606	0.159	1.0	12.95
7	0.1556	0.159	2.2	13.00

Table 2. 14.5 tex yarn diameter and CV value

Table 2. 14.5 tex yarn diameter and CV value

Sample	Measureddiameter /mm	Theoreticaldiameter /mm	Error /%	CV /%
1	0.1415	0.1413	0.14	13.13
2	0.1409	0.1413	0.25	11.47
3	0.1446	0.1413	2.3	13.40
4	0.1419	0.1413	0.48	12.59
5	0.1435	0.1413	1.56	12.87
6	0.1425	0.1413	0.85	13.21
7	0.1448	0.1413	2.5	13.06

Table 3. Test results of image method
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Table 3. Test results of image method
Sample Number of hairiness
1 mm 2 mm 3 mm 4 mm 5 mm 6 mm
1 49 14 6 5 1 0
2 33 18 8 3 0 1
3 63 24 12 4 1 0
4 56 20 7 6 2 1
5 56 11 6 3 1 0
6 57 18 4 1 1 1
7 51 16 10 2 1 0
Average value 52.14 17.29 7.57 3.43 0.857 0.43
Hairiness index H 208.56 69.16 30.28 13.72 3.43 1.72

Table 4. Comparison of image method and visual method
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Table 4. Comparison of image method and visual method
Hairinesslength /mm Number of hairiness
Graphmethod Visualmethod Error /%
1 52.14 50.43 3.28
2 17.29 16.86 2.48
3 7.57 7.28 3.98
4 3.43 3.61 4.98
5 0.86 0.86 0
6 0.43 0.43 0

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Huanhuan Zhang, Kai Yan, Pengfei Li, Junfeng Jing, Zebin Su. Design of Yarn Quality Detection System Based on Machine Vision[J]. Laser & Optoelectronics Progress, 2019, 56(16): 161504

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Paper Information

Category: Machine Vision

Received: Mar. 12, 2019

Accepted: Mar. 27, 2019

Published Online: Aug. 5, 2019

The Author Email: Huanhuan Zhang (zhanghuanhuan0557@163.com), Kai Yan (838063409@qq.com)

DOI:10.3788/LOP56.161504

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology