P. C. KARTHIK. Detecting Unknown Persons Using Surveillance Camera: A Recent Study . Technological Innovation in Engineering Research Vol. 4, [S. l.], p. 161–166, 2022. DOI: 10.9734/bpi/tier/v4/2474B. Disponível em: https://stm.bookpi.org/TIER-V4/article/view/7318. Acesso em: 13 jun. 2026.