Open Access

Intelligent Recognition of Colour and Contour from Ancient Chinese Embroidery Images


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Fig. 1

Colour recognised by graphic software for embroidery images obtained by a camera (Part 1) and scanner (Part 2)
Colour recognised by graphic software for embroidery images obtained by a camera (Part 1) and scanner (Part 2)

Fig. 2

Flower Patterns Embroidered in Qing Dynasty
Flower Patterns Embroidered in Qing Dynasty

Fig. 3

Research framework of method proposed
Research framework of method proposed

Fig. 4

Comparison of images and histograms before and after the scale
Comparison of images and histograms before and after the scale

Fig. 5

Image contrast before and after Gaussian filtering, sharpening and smoothing
Image contrast before and after Gaussian filtering, sharpening and smoothing

Fig. 6

Colour identified by K-means++ clustering algorithm
Colour identified by K-means++ clustering algorithm

Fig. 7

Comparison of the size of the corresponding domain values within the 3X3 domain
Comparison of the size of the corresponding domain values within the 3X3 domain

Fig. 8

Contour extracted by Canny operator
Contour extracted by Canny operator

Fig. 9

Four embroidery patterns selected from women's traditional clothing of the Qing Dynasty
Four embroidery patterns selected from women's traditional clothing of the Qing Dynasty

Fig. 10

Colour recognition and edge detection of restored samples
Colour recognition and edge detection of restored samples

Fig. 11

Duplication of embroidery patterns of the Qing Dynasty
Duplication of embroidery patterns of the Qing Dynasty

Fig. 12

Comparison of image colour recognition before and after adding colour levels and sharpening
Comparison of image colour recognition before and after adding colour levels and sharpening

Fig. 13

Image contour extraction and comparison before and after adjustment of colour levels
Image contour extraction and comparison before and after adjustment of colour levels

Fig. 14

Comparison of image colour recognition in different colour spaces
Comparison of image colour recognition in different colour spaces

Fig. 15

Image contour extraction before and after setting threshold
Image contour extraction before and after setting threshold