CPC H04N 23/69 (2023.01) [G02B 13/009 (2013.01); G02B 13/0065 (2013.01); G02B 15/04 (2013.01); G06F 3/0488 (2013.01); H04N 23/631 (2023.01); G06F 2203/04806 (2013.01); G06F 2203/04808 (2013.01)] | 12 Claims |
1. A zoom control method, comprising
determining a midpoint of a connecting line of touch points located on both sides of an image of an object to be zoomed-in on, wherein the image of the object is displayed on a screen of a camera;
determining a pixel vector formed from the midpoint of the connecting line to a center point of the screen;
converting the pixel vector into an angle vector based on a conversion relationship between a diagonal angle of view of a current focal length range and a diagonal pixel of an image sensor of a camera system; and
controlling the image of the object to move to the center point of the screen based on the angle vector.
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