Objective grading of fabric pilling with wavelet texture analysis

A new objective fabric pilling grading method based on wavelet texture analysis was developed. The new method created a complex texture feature vector based on the wavelet detail coefficients from all decomposition levels and horizontal, vertical and diagonal orientations, permitting a much richer a...

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Bibliographic Details
Published in:Textile research journal 2007-11, Vol.77 (11), p.871-879
Main Authors: Zhang, J, Wang, X, Palmer, S
Format: Article
Language:English
Subjects:
Classification
Digital imaging
Fabrics
Grading
Non-woven
Nonwoven fabrics
Physical properties
Studies
Surface layer
textile fibers
Texture
Wavelet
Wavelet transforms
woven fabrics
yarns
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Summary:A new objective fabric pilling grading method based on wavelet texture analysis was developed. The new method created a complex texture feature vector based on the wavelet detail coefficients from all decomposition levels and horizontal, vertical and diagonal orientations, permitting a much richer and more complete representation of pilling texture in the image to be used as a basis for classification. Standard multi-factor classification techniques of principal components analysis and discriminant analysis were then used to classify the pilling samples into five pilling degrees. The preliminary investigation of the method was performed using standard pilling image sets of knitted, woven and non-woven fabrics. The results showed that this method could successfully evaluate the pilling intensity of knitted, woven and non-woven fabrics by selecting the suitable wavelet and associated analysis scale.
ISSN:0040-5175
1746-7748
DOI:10.1177/0040517507081312