no code implementations • 18 Aug 2015 • Xuejie Liu, Jingbin Wang, Ming Yin, Benjamin Edwards, Peijuan Xu
Context of data points, which is usually defined as the other data points in a data set, has been found to play important roles in data representation and classification.
no code implementations • 9 Feb 2015 • Mohua Zhang, Jianhua Peng, Xuejie Liu, Jim Jing-Yan Wang
It attempts to represent the feature vector of a data sample by reconstructing it as the sparse linear combination of some basic elements, and a $L_2$ norm distance function is usually used as the loss function for the reconstruction error.