1. Batko, M., et al.: Building a web-scale image similarity search system. Multimed. Tools Appl. 47(3), 599–629 (2010)
2. Bolettieri, P., et al.: CoPhIR: a test collection for content-based image retrieval. CoRR abs/0905.4627v2 (2009)
3. Connor, R., Dearle, A., Mic, V., Zezula, P.: On the application of convex transforms to metric search. Pattern Recognit. Lett. 138, 563–570 (2020)
4. Connor, R., Vadicamo, L., Cardillo, F.A., Rabitti, F.: Supermetric search. Inf. Syst. 80, 108–123 (2019)
5. Donahue, J.: DeCAF: a deep convolutional activation feature for generic visual recognition. In: Proceedings of International Conference on Machine Learning, ICML, Beijing, pp. 647–655 (2014)