Fig. 2From: A Smart Service System for Spatial Intelligence and Onboard Navigation for Individuals with Visual Impairment (VIS4ION Thailand): study protocol of a randomized controlled trial of visually impaired students at the Ratchasuda College, ThailandAerial map of Ratchasuda College (RC) at Mahidol University. A route between two on-campus locations is delineatedBack to article page