no code implementations • 30 Nov 2022 • Yifen Ke, Changfeng Ma, Zhigang Jia, Yajun Xie, Riwei Liao
Numerical results indicate that the accuracy rate of face recognition on the quaternion model is better than on the red, green and blue channels of color image as well as single channel of gray level images for the same data, when large facial expressions and shooting angle variations are presented.