The Bao, P., Thanh Nhan, N. and Huu Thuan, L. 2003. RECOGNIZING, CLASSIFYING AND COUNTING OBJECTS OF 2D IMAGES. Science and Technology Development Journal. 6, 7&8 (Aug. 2003), 50-55. DOI:https://doi.org/https://doi.org/10.32508/stdj.v6i7&8.3343.