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作 者:A. Sasithradevi S. Mohamed Mansoor Roomi A. Sasithradevi;S. Mohamed Mansoor Roomi(Electronics and Communication Engineering, Thiagarajar College of Engineering, Madurai, India)
机构地区:[1]Electronics and Communication Engineering, Thiagarajar College of Engineering, Madurai, India
出 处:《Circuits and Systems》2016年第10期2875-2883,共10页电路与系统(英文)
摘 要:Video shot boundary detection is the primary task for content based video management and retrieval system. This paper proposes a shot boundary detection strategy by exploiting the pros of Normalized Periodogram for efficiently representing the content of the video. A Normalized Periodogram based distance metric to detect the key frames using shot boundary, namely Distance- Left-Right (D<sub>LR</sub>), is addressed, which is computed on a sliding sub-window basis. The D<sub>LR</sub> sequence is used to detect the suspected shot boundary frames and a transition type detection procedure is adapted to these suspected frames for discriminating the abrupt and gradual transitions. The proposed shot boundary detection methodology yields Precision—95.02%, Recall—93.15% and F1 score—94.07% for cut, Precision—86.57%, Recall—86.67% and F1 score—86.61% for gradual, Precision—90.6%, Recall—90.02% and F1 score—90.3% for overall transitions. Experimental results show that the proposed approach is superior to the recently available shot boundary detection techniques because of its robustness and simplicity, and presents an effective distance metric to detect the shot boundary.Video shot boundary detection is the primary task for content based video management and retrieval system. This paper proposes a shot boundary detection strategy by exploiting the pros of Normalized Periodogram for efficiently representing the content of the video. A Normalized Periodogram based distance metric to detect the key frames using shot boundary, namely Distance- Left-Right (D<sub>LR</sub>), is addressed, which is computed on a sliding sub-window basis. The D<sub>LR</sub> sequence is used to detect the suspected shot boundary frames and a transition type detection procedure is adapted to these suspected frames for discriminating the abrupt and gradual transitions. The proposed shot boundary detection methodology yields Precision—95.02%, Recall—93.15% and F1 score—94.07% for cut, Precision—86.57%, Recall—86.67% and F1 score—86.61% for gradual, Precision—90.6%, Recall—90.02% and F1 score—90.3% for overall transitions. Experimental results show that the proposed approach is superior to the recently available shot boundary detection techniques because of its robustness and simplicity, and presents an effective distance metric to detect the shot boundary.
关 键 词:Shot Boundary Abrupt Transition Gradual Transition Normalized Periodogram
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