Range differentiators for auto-focusing in optical imaging systems

Range differentiators for auto-focusing in optical imaging systems

A range differentiator useful for auto-focusing, the range differentiator including an image generator (540, 130, 132) providing an image of a scene at various physical depths, a depth differentiator (132) distinguishing portions of the image at depths below a predetermined threshold, irrespective o...

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Hauptverfasser: Shai Wiseman, Ilia Lutsker, Ofir Shnit, Yigal Katzir, Chay Goldenberg
Format: Patent
Sprache:eng ; heb
Schlagworte:
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
PHYSICS
TESTING
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creator Shai Wiseman
Ilia Lutsker
Ofir Shnit
Yigal Katzir
Chay Goldenberg
description A range differentiator useful for auto-focusing, the range differentiator including an image generator (540, 130, 132) providing an image of a scene at various physical depths, a depth differentiator (132) 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 (132) ascertaining a focus distance based on the depth differentiated image.
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subjects MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
PHYSICS
TESTING
title Range differentiators for auto-focusing in optical imaging systems
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