基于图像技术的织物导湿性能测试方法

doi:10.13475/j.fzxb.20201102406

纺织学报 ›› 2021, Vol. 42 ›› Issue (12): 70-75.doi: 10.13475/j.fzxb.20201102406

基于图像技术的织物导湿性能测试方法

熊晶晶¹^,², 杨雪¹^,², 苏静¹^,², 王鸿博¹^,²()

1.江苏省功能纺织品工程技术研究中心, 江苏无锡 214122
2.生态纺织教育部重点实验室(江南大学), 江苏无锡 214122

收稿日期:2020-11-11 修回日期:2021-09-27 出版日期:2021-12-15 发布日期:2021-12-29
通讯作者: 王鸿博
作者简介:熊晶晶(1996—),女,硕士生。主要研究方向为功能纺织材料。
基金资助:
国家重点研发计划项目(2017YFB0309100);中央高校基本科研业务费专项资金资助项目(JUSRP52007A)

Testing method for fabric moisture conductivity based on image technology

XIONG Jingjing¹^,², YANG Xue¹^,², SU Jing¹^,², WANG Hongbo¹^,²()

1. Jiangsu Engineering Technology Research Center for Functional Textiles, Wuxi, Jiangsu 214122, China
2. Key Laboratory of Eco-Textiles(Jiangnan University), Ministry of Education, Wuxi, Jiangsu 214122, China

Received:2020-11-11 Revised:2021-09-27 Published:2021-12-15 Online:2021-12-29
Contact: WANG Hongbo

摘要/Abstract

摘要：

为提高织物导湿性能测试的准确性,在传统滴液法的基础上借助摄像机获得织物润湿图像后,利用同态滤波对图像进行增强预处理,再经阈值分割和形态学处理后,提取到织物的导湿面积对其导湿性能进行表征。重点分析了测试用液体、滴液高度、滴液用量及图像采集样本数量等参数对导湿性能测试结果稳定性的影响。结果表明:图像技术方法较传统方法更快速准确,稳定性和再现性好;以机织物作为测试对象时,选择测试液体为去离子水,单次滴液量为40 μL,滴液高度为2 cm时,重复实验5次,此时织物导湿面积测试结果变异系数小,测试方法稳定性较高。

关键词: 导湿性, 同态滤波, 织物润湿图像, 滴液高度, 图像处理技术, 测试标准化

Abstract:

In order to improve the test accuracy of the fabric moisture conductivity, fabric wetting images were obtained with the camera based on the traditional spot test. The images were enhanced by homomorphic filtering, and then processed by threshold segmentation and morphological processing. The moisture conductivity area extracted from the fabric image was used to characterize the moisture conductivity of the fabric. The influence of the test parameters such as the test liquid, drip height, drip volume and the number of image samples for stability of the test results was discussed. The results show that this method is faster and more accurate than the traditional test method, and it demonstrates good stability and repeatability. When woven fabrics were used as the test object, under conditions of using 40 μL deionized water as test liquid with 2 cm drop height and 5 repeated tests, the moisture conducting areas show low variation coefficient and exhibit stable results.

Key words: moisture conductivity, homomorphic filtering, fabric wetting image, drop height, image processing technology, test standardization

中图分类号:

TS107

熊晶晶, 杨雪, 苏静, 王鸿博. 基于图像技术的织物导湿性能测试方法[J]. 纺织学报, 2021, 42(12): 70-75.

XIONG Jingjing, YANG Xue, SU Jing, WANG Hongbo. Testing method for fabric moisture conductivity based on image technology[J]. Journal of Textile Research, 2021, 42(12): 70-75.

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织物原料	刚果红溶液	去离子水	NaCl溶液
涤纶	2.93	2.43	2.38
棉	3.47	3.16	2.98
竹浆纤维	3.52	3.31	3.19
棉/竹浆纤维(50/50)	3.48	3.29	3.09
莫代尔	3.85	3.74	3.62
棉/莫代尔(50/50)	3.71	3.61	3.53

滴液高度/cm	导湿面积/cm²	导湿面积CV值/%
1	2.93	4.04
2	3.12	3.91
3	3.47	4.31
4	2.97	4.86
5	3.09	6.58
6	2.72	6.67

样本数量	导湿面积/cm²	导湿面积CV值/%
3	2.93	7.30
4	2.94	5.62
5	2.99	3.92
6	2.98	4.01
7	2.95	4.07
8	2.92	4.15

基于图像技术的织物导湿性能测试方法

Testing method for fabric moisture conductivity based on image technology

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