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ELECTRONIC ZOOM DEVICE, ELECTRONIC ZOOM METHOD, AND PROGRAM

  • US 20130235086A1
  • Filed: 03/07/2011
  • Published: 09/12/2013
  • Est. Priority Date: 03/09/2010
  • Status: Abandoned Application
First Claim
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1. An electronic zoom device, comprising:

  • an image display unit which is configured to display an image on a display screen;

    an object detection unit which is configured to detect a plurality of objects in the image which is displayed on the display screen;

    a reference position detection unit which is configured to detect reference positions of the objects which are detected by the object detection unit;

    a ratio calculating unit which is configured to calculate respective ratio parameters that change according to sizes of the objects detected by the object detection unit relative to the display screen;

    a zoom center position setting unit which is configured to set, as a zoom center position, a reference position of a first object whose ratio parameter calculated by the ratio calculating unit meets a predetermined criterion; and

    a zoom processing unit which is configured to perform zoom processing of the image displayed on the display screen with a focus on the zoom center position, whereinthe zoom center position setting unit 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.

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