Fusion of Deep Features and Weighted VLAD Vectors based on Multiple Features for Image RetrievalYanhong. Wang, Yigang. Cen, Liequan. Liang, Linna. Zhang, Viacheslav. Voronin and Vladimir. MladenovicMATEC Web Conf., 132 (2017) 05002DOI: https://doi.org/10.1051/matecconf/201713205002