APPARATUS AND METHOD FOR COMPENSATING HAND BLUR

摘要

An apparatus and method for compensating hand blur are disclosed. The method according to an exemplary embodiment of the present invention comprises receiving an angular velocity by tilt of the camera module, determining a first driving signal for driving the second actuator using the angular velocity, calculating a ratio of effective focal length relative to a lens moving distance using the driving of the first actuator, and determining a second driving signal amplifying the first driving signal, using the ratio of effective focal length relative to the lens moving distance.

主权项

1. An apparatus for compensating an image blur caused by hand blur of a camera module including a first actuator for AF (Auto Focus)/zoom, and a second actuator for OIS (Optical Image Stabilizer), the apparatus comprising:
a controller configured to determine a first driving signal for driving the second actuator using angular velocity information by tilt of the camera module; a calculator configured to calculate a ratio of effective focal length relative to a lens moving distance, in a case a lens focal length is changed by the first actuator; and an amplifier configured to determine a second driving signal amplifying the first driving signal, using the ratio of effective focal length relative to the lens moving distance.