| 摘要 |
An electronic apparatus includes an extracting unit, a retrieving unit, a detecting unit, and a controlling unit. The extracting unit extracts a first block at a first position of a first frame image from plural frame images constituting video data. The retrieving unit retrieves, from a retrieval region within a second frame image from among the plural frame images, a second block between which the first block has a smallest residual value, the second and first frame images having a first time length therebetween. The detecting unit detects a first motion vector between the first and second blocks. The controlling unit controls the detecting unit so that detection of the first motion vector is regulated when the second block is retrieved at a third position apart from the second position of the second frame image corresponding to the first position by a first threshold or more.
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