公开(公告)号：US20190266693A1

公开(公告)日：2019-08-29

申请号：US16282766

申请日：2019-02-22

Applicant: Orbotech Ltd.

Inventor： Shai WISEMAN ,  Yigal Katzir ,  Ofir Shnit ,  Ilia Lutsker ,  Chay Goldenberg

IPC: G06T1/00 ,  G06T7/50 ,  G01B11/25 ,  G01S17/89 ,  G02B7/09

Abstract: A range differentiator useful for auto-focusing, the range differentiator including an image generator providing an image of a scene at various physical depths, a depth differentiator distinguishing portions of the image at depths below a predetermined threshold, irrespective of a shape of the portions, and providing a depth differentiated image and a focus distance ascertainer ascertaining a focus distance based on the depth differentiated image.

公开(公告)号：US11159712B2

公开(公告)日：2021-10-26

申请号：US16282766

申请日：2019-02-22

Applicant: Orbotech Ltd.

Inventor： Shai Wiseman ,  Yigal Katzir ,  Ofir Shnit ,  Ilia Lutsker ,  Chay Goldenberg

IPC: G01B11/25 ,  G02B7/09 ,  G02B7/28 ,  G06T1/00 ,  G06T7/50 ,  H04N5/225 ,  H04N5/232

Abstract: A range differentiator useful for auto-focusing, the range differentiator including an image generator providing an image of a scene at various physical depths, a depth differentiator distinguishing portions of the image at depths below a predetermined threshold, irrespective of a shape of the portions, and providing a depth differentiated image and a focus distance ascertainer ascertaining a focus distance based on the depth differentiated image.