| 摘要 |
A face detection apparatus associated methodology is provided to generate an output indicating a likelihood of a region of an image containing a face. The apparatus includes a comparing device for comparing the region with face data that indicates a presence of the face and for detecting respective likelihood values indicating the likelihood of the region containing the face in a group of respective different face size. A control device is provided for modifying at least one of the group and the likelihood values based on a face size or a range of face sizes appropriate to at least one classification of the image. The control device is responsive to metadata associated with the image that define the at least one classification of the image. The image is a part of a video sequence, and at least one classification includes a video program type.
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