Combined stereoscopic and phase detection depth mapping in a dual aperture camera
AssigneeCorephotonics Ltd.
InventorsIdo Yerushalmy, Noy Cohen, Ephraim Goldenberg
Life of this patent
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Abstract
In an imaging system having a first camera with a first field of view (FOV) and a second camera with a second FOV smaller than the first FOV, wherein the first and second FOVs overlap over an overlap region, a method for calculating a calibrated phase detection depth map over the entire first FOV comprises calculating a stereoscopic depth map in the overlap region using image information provided by the first and second cameras, obtaining a first camera phase detection (PD) disparity map in the entire first FOV, and using the stereoscopic depth map in the overlap region to provide a calibrated 2PD depth map in the entire first FOV.
Claims8
A method comprising:
- a) providing an imaging system having a first camera with a first field of view (FOV) and a second camera with a second FOV smaller than the first FOV, wherein the first FOV and the second FOV overlap over an overlap region;
- b) calculating a stereoscopic depth map in the overlap region using respective image information provided by the first and second cameras;
- c) obtaining a first camera 2 sub-pixel phase detection (2PD) disparity map in the entire first FOV;
- and
- d) improving the stereoscopic depth map or the 2PD depth map in at least the overlap region using the stereoscopic depth map in the overlap region and/or the first camera 2PD disparity map in the entire first FOV.
Dependencies are inferred from the claim text.