Research Article
Smartphone-Based Cognitive Assistance of Blind People in Room Recognition and Awareness
Figure 3
Spectrograms of room type in the academic building of C. S (UoP). (a) Classroom, (b) conference room, (c) faculty office, (d) hall, (e) laboratory, (f) library, (g) waiting room, (h) server room, and (i) bathroom.
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(f) |
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(i) |