Color image edge detection method based on multiscale product using Gaussian function. - Nadia Ben Youssef; Aïcha Bouzid; Noureddine Ellouze (ATSIP, 2016)

Color Edge Detection using Quaternion Convolution and Vector Gradient. - Nadia Ben Youssef; Aïcha Bouzid (VISIGRAPP (4: VISAPP), 2017)