TAILIEUCHUNG - Handbook of Multimedia for Digital Entertainment and Arts- P15

Handbook of Multimedia for Digital Entertainment and Arts- P15: The advances in computer entertainment, multi-player and online games, technology-enabled art, culture and performance have created a new form of entertainment and art, which attracts and absorbs their participants. The fantastic success of this new field has influenced the development of the new digital entertainment industry and related products and services, which has impacted every aspect of our lives. | 416 . Ro and . Jin above the frames of soccer videos were categorized into four view types . V C M G Gpg. The processing time for the view decision in soccer videos was measured. Table 1 shows the time measured for the view type decision for different terminal computing power. As shown the longest time is taken to detect the global view with goal post. From the experimental results the first condition of the soccer video meaning its stability in real-time for the proposed filtering system can be found by substituting these results to Eq. 3 . For the soccer video the first condition can be described as p N f PT Gp 1 therefore N f 1 PT Gp . 6 The second condition is verified by evaluating the filtering performance of the proposed filtering algorithm. Figure 9 shows the variation of the filtering performance with respect to sampling rate. As shown the performance recall rate in the figure decreases as the sampling rate decreases. From Fig. 9 it is shown that the maximum permissible limit of sampling rate is determined by the tolerance Tfp of filtering performance. When the system permits about 80 filtering performance of Tfp it is observed that the sampling rate fs becomes frames per second by the experimental result. As a result of the experiments we obtain the system requirements for real-time filtering of soccer videos as shown in Fig. 10. Substituting PT Gp s of Table 1 into Table 1 Processing time for the view type decision - . Terminal View Ti T2 T3 E PT C sec. sec. sec. E PT M sec. sec. sec. E PT G sec. sec. sec. E PT Gp sec. sec. sec. Fig. 9 Variation of filtering performance according to sampling rate 18 Real-Time Content Filtering for Live Broadcasts in TV Terminals 417 Eq. 6 we acquire the number of input channels and frame sampling rates available in the used filtering system. As shown the number of input channels depends on both sampling rate and terminal capability. By .

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