Patent ID: 8089515
Filing Date: 2012-01-03
Classification: G03B,G06T,H04N

Abstract:
1. An electronic device equipped with a video imaging process capability, comprising: a camera unit configured to produce image frames from an imaging view which includes a region-of-interest ROI, an adjustable optics configured in connection with the camera unit in order to focus the ROI on the camera unit, an identifier unit in order to identify a ROI from the image frame, a tracking unit in order to track the ROI from the image frames during the video imaging process, wherein the tracking unit is configured to perform the ROI tracking on macroblock basis in which ROI tracking is configured to be decided whether the pixels of the current macroblock of the current image frame belong to a ROI region or to a background region and the decision is configured to be based on the color content of the previous image frame in which the ROI region is already known, and the tracking unit is further configured to: an auto-focus unit configured to analyze the ROI on the basis of the tracking results provided by the tracking unit in order to adjust the optics and the device being configured to