Colour measurement
The coated samples were prepared on days 7, 14, and 21 for photos to be taken, and a*,L*,b* parameters were studied with ImageJ software. Measurement of the colour of the image processing techniques was made by ImageJ. Each uniformed sample was laid on a smooth and uniform surface. For imaging, the camera distance to the sample was 20 cm. After processing the image, the pixel value of each sample of colour was shown by a*,L*,b* colour index.
SAS (Ver 9.1) software was used for variance analysis and mean comparison of the data collected by a Fisher protected LSD (FLSD) test. The tables and figures were drawn using Office Word and Excel.
Colour measurementThe coated samples were prepared on days 7, 14, and 21 for photos to be taken, and a*,L*,b* parameters were studied with ImageJ software. Measurement of the colour of the image processing techniques was made by ImageJ. Each uniformed sample was laid on a smooth and uniform surface. For imaging, the camera distance to the sample was 20 cm. After processing the image, the pixel value of each sample of colour was shown by a*,L*,b* colour index.SAS (Ver 9.1) software was used for variance analysis and mean comparison of the data collected by a Fisher protected LSD (FLSD) test. The tables and figures were drawn using Office Word and Excel.
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