PRABHAKARAN R; C THAMILARASI; JIMIN C JIJI. Implementation of service robot using OCR technique in raspberry PI for visually impaired person . International journal of intellectual advancements and research in engineering computations, [S. l.], v. 7, n. 1, p. 1433–1437, 2019. DOI: 10.61096/ijiarec.v7.iss1.2019.1433-1437. Disponível em: https://ijiarec.com/ijiarec/article/view/1157. Acesso em: 5 jul. 2026.