Measuring the Geometrical Parameters of Slub Yarn Using a Computer Vision Based Image Sequencing Technique
Journal Title: Fibres and Textiles in Eastern Europe - Year 2019, Vol 27, Issue 3
Abstract
This article presents a computer vision method for measuring the geometrical parameters of slub yarn based on yarn sequence images captured from a moving slub yarn. An image segmentation method proposed by our earlier work was applied to segment sequence slub yarn images to obtain overlapping diameter data. Then an image stitching method was proposed to remove the overlapped data based on the normalised cross correlation (NCC) method. In order to detect the geometrical parameters of slub yarn, the frequency histogram , curve fitting, and spectrogram methods were adopted to analyse the sequence diameter data obtained. Four kinds of slub yarn with different geometrical parameters were tested using the method proposed and Uster method. The experimental results show that the detection results for slub amplitude, slub length, slub distance, and slub period obtained using the method proposed were consistent with the set values and Uster results.<br/><br/>
Authors and Affiliations
Zhongjian Li, Jun Xiang, Lei Wang, Ning Zhang, Jing-an Wang, Ruru Pan, Weidong Gao
3D Garment Modelling – Conception of Its Structure in 3D
This work presents the results of our approach in the field of modelling and numerical simulation of a garment in a 3D virtual environment. In our study we take into account the strategic point of approach where the nume...
Research on the Compact-Siro Spun Yarn Structure
Compact-Siro spinning technology is one of the most widely used spinning methods. It is conducted on a compact ring frame by simultaneously feeding two rovings into the drafting zone at a predetermined separation. In fac...
Hydrostatic Resistance and Mechanical Behaviours of Breathable Layered Waterproof Fabrics
Breathable layered waterproof fabrics have good applications in the fields of sportswear, protective clothing and construction industries. The properties of these fabrics in allowing water vapour to pass through while pr...
Structural Changes in Plasma Assisted Chemical Vapour Deposition-Modified Ultra-high Molecular Weight Polyethylene, Ballistic Textiles During Accelerated Ageing
The aim of this study was to compare the susceptibility of the plasma assisted chemical vapour deposition (PACVD) - surface modification of ultra-high molecular weight polyethylene (UHMWPE) fibrous composite to condition...
Optimization of the Thickness of Layers within a Calender Shaft
Calenders are widely used in the textile industry to finish flat textile products. The main goal of the paper was to analyze the thermal phenomena within a calender shaft heated by oil and optimize the material thickness...