Multi-Scale two-dimensional wavelet transform is imported to analysze fabric surface wrinkle in order to acquire the finer image information. Firstly
fabric image can be filtered through Gaussian filter
and decomposed by wavelet transform; meanwhile
high frequency information is extracted. Secondly
four kinds of wrinkle feature parameter are applied to calculate the fabric wrinkle degree with different wrinkle replica
which are horizontal variance
vertical variance
horizontal offset and vertical offset separately. Through analyzing the correlation coefficient between feature parameter and wrinkle grade
which indicates the four kinds of wrinkle feature parameter can be taken as the input value for pattern recognition. Finally
Kohonen self-organized neural network is also used to evaluate fabric wrinkle grade objectively. The wrinkle feature parameters are input to the Kohonen self-organized neural network
through training and studying process
the output value can be obtained
different wrinkle grade of fabric replica will be classified by applying self-organized neural network
and wrinkle grade of 26 different type fabrics can be evaluated according to this result. For describing the assessment result with quantify
the correlation coefficient is calculated between objective assessment and subjective assessment in order to validate the feasibility of this method.