image01

image01 Results

Bellow we show the resulting images for the Color Wide Line detector (CWLD) for test image 01.

Table I - Circular Kernel
(a) Original image after filtering with Epanechnikov 5x5 filter mask.
(b) CIE L*a*b* 1976 Color Difference using the Circular Kernel and any line type selection (bright or Dark)
(c) CIE L*a*b* 1976 Color Difference using the Circular Kernel and bright line selection.
 (d) CIE L*a*b* 1976 Color Difference using the Circular Kernel and dark line selection.
(e) CIE L*a*b* 1994 Color Difference using the Circular Kernel and any line type selection (bright or Dark)(f) CIE 2000 Color Difference using the Circular Kernel and any line type selection (bright or Dark)(g) CIE 2000 Color Difference using the Circular Kernel and bright line selection. (h) CIE 2000 Color Difference using the Circular Kernel and dark line selection.
(i) CMC (l, c) 1984 Color Difference using the Circular Kernel and any line type selection (bright or Dark)(j) Grayscale difference using the Circular Kernel and any line type selection (bright or Dark). Here the rhreshold is calculated as the standard deviation (original WLD)
(k) Grayscale difference using the Circular Kernel and bright line selection. Here the rhreshold is calculated and not fixed to 5.(l) Grayscale difference using the Circular Kernel and dark line selection. Here the rhreshold is calculated and not fixed to 5.
(m)  RGB Euclidean Color Difference using the Circular Kernel and any line type selection (bright or Dark)(n) CIELAB L* difference using the Circular Kernel and any line type selection (bright or Dark).
 (o) CIELAB L* difference using the Circular Kernel and bright line selection.
(p) CIELAB L* difference using the Circular Kernel and dark line selection.

Table || - Ellipsoid Kernel
(a) Original image after filtering with Epanechnikov 5x5 filter mask.
(b) CIE L*a*b* 1976 Color Difference using the Ellipsoid Kernel and any line type selection (bright or Dark)
(c) CIE L*a*b* 1976 Color Difference using the Ellipsoid Kernel and bright line selection.
 (d) CIE L*a*b* 1976 Color Difference using the Ellipsoid Kernel and dark line selection.
(e) CIE L*a*b* 1994 Color Difference using the Ellipsoid Kernel and any line type selection (bright or Dark)(f) CIE 2000 Color Difference using the Ellipsoid Kernel and any line type selection (bright or Dark)(g) CIE 2000 Color Difference using the Ellipsoid Kernel and bright line selection. (h) CIE 2000 Color Difference using the Ellipsoid Kernel and dark line selection.
(i) CMC (l, c) 1984 Color Difference using the Ellipsoid Kernel and any line type selection (bright or Dark)(j) Grayscale difference using the Ellipsoid Kernel and any line type selection (bright or Dark). Here the rhreshold is calculated and not fixed to 5.
(k) Grayscale difference using the Ellipsoid Kernel and bright line selection. Here the rhreshold is calculated and not fixed to 5.(l) Grayscale difference using the Ellipsoid Kernel and dark line selection. Here the rhreshold is calculated and not fixed to 5.
(m)  RGB Euclidean Color Difference using the Ellipsoid Kernel and any line type selection (bright or Dark)(n) CIELAB L* difference using the Ellipsoid Kernel and any line type selection (bright or Dark).
(o) CIELAB L* difference using the Ellipsoid Kernel and bright line selection.
(p) CIELAB L* difference using the Ellipsoid Kernel and dark line selection.

Table ||| - Gaussian Kernel
(a) Original image after filtering with Epanechnikov 5x5 filter mask.
(b) CIE L*a*b* 1976 Color Difference using the Gaussian Kernel and any line type selection (bright or Dark)
(c) CIE L*a*b* 1976 Color Difference using the Gaussian Kernel and bright line selection.
 (d) CIE L*a*b* 1976 Color Difference using the Gaussian Kernel and dark line selection.
(e) CIE L*a*b* 1994 Color Difference using the Gaussian Kernel and any line type selection (bright or Dark)(f) CIE 2000 Color Difference using the Gaussian Kernel and any line type selection (bright or Dark)(g) CIE 2000 Color Difference using the Gaussian Kernel and bright line selection. (h) CIE 2000 Color Difference using the Gaussian Kernel and dark line selection.
(i) CMC (l, c) 1984 Color Difference using the Gaussian Kernel and any line type selection (bright or Dark)(j) Grayscale difference using the Gaussian Kernel and any line type selection (bright or Dark). Here the rhreshold is calculated and not fixed to 5.
(k) Grayscale difference using the Gaussian Kernel and bright line selection. Here the rhreshold is calculated and not fixed to 5.(l) Grayscale difference using the Gaussian Kernel and dark line selection. Here the rhreshold is calculated and not fixed to 5.
(m)  RGB Euclidean Color Difference using the Gaussian Kernel and any line type selection (bright or Dark)(n) CIELAB L* difference using the Gaussian Kernel and any line type selection (bright or Dark).
(o) CIELAB L* difference using the Gaussian Kernel and bright line selection.
(p) CIELAB L* difference using the Gaussian Kernel and dark line selection.

Image01 is one very simple example that illustrates when the separation of pure bright or dark lines doesn't work. That is, black and white responses do not complement each other to obtain the full line.
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