| 摘要 |
A digital camera (1) of the present invention includes: a storage section (2) for storing information; a frame image obtaining section (51) for obtaining a frame image in a moving image; a characterizing point extracting section for extracting tracking-purpose characteristic information from the frame image and storing the tracking-purpose characteristic information into the storage section (2), the tracking-purpose characteristic information being information for tracking a target object included in a moving image captured and also being information characterizing the target object; a tracked object area calculating section for detecting an image area of the target object, based on a change between the tracking-purpose characteristic information extracted by the characterizing point extracting section and the tracking-purpose characteristic information relevant to the frame image stored in the past into the storage section (2); a detective feature extracting section (52) for extracting the detective characteristic information from the image area of the target object, the image area being detected by the tracked object area calculating section; and a registration section (54) for registering, into the storage section (2), a part or all of the detective characteristic information extracted by the detective feature extracting section (52). |
