ELECTRONIC ZOOM DEVICE, ELECTRONIC ZOOM METHOD, AND PROGRAM

摘要

Provided is an electronic zoom device which can change the object to be zoomed with high operability even if a plurality of objects are recognized within an image to be processed. An electronic zoom device includes: an image display unit (19) which displays an image on a display screen; an object detection unit (13) which detects a plurality of objects in the image which is displayed on the display screen; a reference position detection unit (14) which detects reference positions of the detected objects; a ratio calculating unit (15) which calculates respective ratio parameters that change according to sizes of the detected objects relative to the display screen; a center position setting unit (16) which sets, as a zoom center position (O), a reference position of a first object whose calculated ratio parameter meets a predetermined criterion; and a zoom processing unit (17) which performs zoom processing of the image displayed on the display screen with a focus on the zoom center position. The zoom center position setting unit (16) changes the zoom center position from the reference position of the first object to a reference position of a second object whose ratio parameter meets the predetermined criterion when the ratio parameter of the first object does not meet the predetermined criterion any more.