1. A camera comprising: a face portion detection part configured to detect, in an image signal from an image pickup device, a face portion included in the image signal; a face position recording part configured to record a position of the detected face portion; a contour detection part configured to detect a contour radially extending from a vicinity position of the detected face portion; a contour tip position recording part configured to record a tip position of the detected contour; and a determination part configured to determine a pose of the subject based on a positional relationship between the recorded contour tip position and the recorded face position.