| 摘要 |
PROBLEM TO BE SOLVED: To provide a video recording and playback apparatus, enabling accurate event detection under limited processing resources and storage capacity. SOLUTION: In the video recording and playback apparatus, enabling event analysis with high accuracy under the limited processing resources and storage capacity by increasing a frame rate only for a channel in which an event occurred, among images taken by a plurality of cameras, the channel on which the event occurred is defined as event CH, while an ordinary channel is defined as ordinary CH. On the event occurrence, depending on the situation at that time, the event concerned is distributed to event CH frame rate change processing in step 502, or ordinary CH frame rate and event CH frame rate change processing in step 504, or processing for changing the event CH frame rate to the possible extent in step 505. COPYRIGHT: (C)2007,JPO&INPIT
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