Focusing image display device and method for displaying same
AssigneeHoya Corporation
InventorHiroyuki TANAKA
Life of this patent
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Abstract
A focusing image display device is equipped with an autofocus processor, a spatial frequency detector, a magnification determiner and a focusing image display processor. The autofocus processor performs an autofocus operation using an image within a partial area of an effective pixel area. The spatial frequency detector calculates a spatial frequency of a focusing image within the partial area after the autofocus operation is completed. The magnification determiner determines the magnification of the focusing image in accordance to the spatial frequency. The focusing image display processor modifies the resolution of the focusing image with respect to the magnification.
Claims8
A focusing image display device, comprising:
- an autofocus processor that performs an autofocus operation using an image within a partial area of an effective pixel area;
- a spatial frequency detector for calculating a spatial frequency of a focusing image within said area after said autofocus operation is completed;
- a magnification determiner for determining a magnification of said focusing image in accordance with said spatial frequency;
- and
- a focusing-image display processor that modifies the resolution of said focusing image with respect to said magnification.
A digital camera, comprising:
- an autofocus processor that performs an autofocus operation using an image within a partial area of an effective pixel area;
- a spatial frequency detector for calculating a spatial frequency of a focusing image within said area after said autofocus operation is completed;
- a magnification determiner for determining a magnification of said focusing image in accordance with said spatial frequency;
- and
- a focusing image display processor that modifies the resolution of said focusing image with respect to said magnification.
A method for displaying a focusing image, comprising:
- performing an autofocus operation using an image within a partial area of an effective pixel area;
- calculating a spatial frequency of a focusing image within said partial area after said autofocus operation is completed;
- determining the magnification of said focusing image in accordance with said spatial frequency;
- and
- modifying the resolution of said focusing image with respect to said magnification.
Dependencies are inferred from the claim text.