1. Date of download: 9/18/2016 Copyright © 2016 SPIE. All rights reserved. Illustration of rejection threshold for online pruning of unlikely nodes:(a) priority queue and (b) threshold window along the time frame. Figure Legend: From: Online optimal path decoder of hidden Markov model and its application to connected gesture recognition Opt. Eng. 2008;47(8):087204-087204-12. doi:10.1117/1.2969123

2. Date of download: 9/18/2016 Copyright © 2016 SPIE. All rights reserved. Overview of processing steps. Figure Legend: From: Online optimal path decoder of hidden Markov model and its application to connected gesture recognition Opt. Eng. 2008;47(8):087204-087204-12. doi:10.1117/1.2969123

3. Date of download: 9/18/2016 Copyright © 2016 SPIE. All rights reserved. Nodes in “open” list. Figure Legend: From: Online optimal path decoder of hidden Markov model and its application to connected gesture recognition Opt. Eng. 2008;47(8):087204-087204-12. doi:10.1117/1.2969123

4. Date of download: 9/18/2016 Copyright © 2016 SPIE. All rights reserved. Effect of rejection threshold value (η) on recognition accuracy. Figure Legend: From: Online optimal path decoder of hidden Markov model and its application to connected gesture recognition Opt. Eng. 2008;47(8):087204-087204-12. doi:10.1117/1.2969123

5. Date of download: 9/18/2016 Copyright © 2016 SPIE. All rights reserved. Comparison of computation time at each time frame. Figure Legend: From: Online optimal path decoder of hidden Markov model and its application to connected gesture recognition Opt. Eng. 2008;47(8):087204-087204-12. doi:10.1117/1.2969123

6. Date of download: 9/18/2016 Copyright © 2016 SPIE. All rights reserved. Gesture classification: (a) ByeBye, (b)Come, (c)Love, (d) Stop, and (e) You. Figure Legend: From: Online optimal path decoder of hidden Markov model and its application to connected gesture recognition Opt. Eng. 2008;47(8):087204-087204-12. doi:10.1117/1.2969123

7. Date of download: 9/18/2016 Copyright © 2016 SPIE. All rights reserved. Projection of gesture models into the PCA feature space. Figure Legend: From: Online optimal path decoder of hidden Markov model and its application to connected gesture recognition Opt. Eng. 2008;47(8):087204-087204-12. doi:10.1117/1.2969123

8. Date of download: 9/18/2016 Copyright © 2016 SPIE. All rights reserved. Plot matching tests and reference patterns from the same (correct) and different (incorrect) gesture classes:(a) number of nodes selected, (b) number of nodes expanded, and (c) number of computations. Figure Legend: From: Online optimal path decoder of hidden Markov model and its application to connected gesture recognition Opt. Eng. 2008;47(8):087204-087204-12. doi:10.1117/1.2969123

9. Date of download: 9/18/2016 Copyright © 2016 SPIE. All rights reserved. Comparing the test and reference pattern at each time frame. Figure Legend: From: Online optimal path decoder of hidden Markov model and its application to connected gesture recognition Opt. Eng. 2008;47(8):087204-087204-12. doi:10.1117/1.2969123