Patent Document ID: 20130114854
Application ID: 13665185
Patent Status: 0

Claim One:
1. A tracking apparatus comprising: an image data acquisition unit configured to acquire image data per frame; a tracking process unit configured to detect a candidate position of a tracking target in each image data acquired per frame; a contrast information acquisition unit configured to acquire contrast information at the candidate position of the tracking target in the image data detected per frame; a contrast information similarity evaluation unit configured to evaluate, in accordance with the contrast information acquired by the contrast information acquisition unit, a similarity between contrast information at a position of the tracking target decided in a past frame and contrast information at the candidate position of the tracking target acquired in a current frame; and a control unit configured to decide, based on the evaluation, the candidate position of the tracking target having the contrast information with the highest similarity relative to the contrast information at the position of the tracking target, as the position of the tracking target in the current frame.