Neshov, N., K. Tonchev, A. Manolova, V. Poulkov, and G. Balabanov. “Feature-Level Fusion Vs. Score-Level Fusion for Image Retrieval Based on Pre-Trained Deep Neural Networks”. Journal of Mobile Multimedia, vol. 20, no. 04, Oct. 2024, pp. 769-84, doi:10.13052/jmm1550-4646.2041.