Research Article

Implementation of a Tour Guide Robot System Using RFID Technology and Viterbi Algorithm-Based HMM for Speech Recognition

Figure 4

User using speech to control robot to move forward and turn left. (a) User commands robot to move forward. (b) User commands robot to stop. (c) User commands robot to turn left. (d) Robot turns left and moves on.
262791.fig.004a
(a)
262791.fig.004b
(b)
262791.fig.004c
(c)
262791.fig.004d
(d)