Journal of Electrical and Computer Engineering

Research Article

Enhancement of Background Subtraction Techniques Using a Second Derivative in Gradient Direction Filter

Figure 8

Graph of F-score versus frame number for indoor sample.
598708.fig.008a
(a)  FD
598708.fig.008b
(b) AM
598708.fig.008c
(c) RA
598708.fig.008d
(d) RGA