Image orientation for endoscopic video displays

An apparatus and technique for compensating the display of an image obtained from an endoscope as it is moved through various orientations are described. The endoscope received optical image is converted to an electrical signal with an image sensor that can be a CCD or a CMOS detector. The endoscope...

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Hauptverfasser:	GREEN DANIEL, IBACH ROBERT, FABLANOWSKI JAN
Format:	Patent
Sprache:	eng
Schlagworte:	DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY
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creator	GREEN DANIEL IBACH ROBERT FABLANOWSKI JAN
description	An apparatus and technique for compensating the display of an image obtained from an endoscope as it is moved through various orientations are described. The endoscope received optical image is converted to an electrical signal with an image sensor that can be a CCD or a CMOS detector. The endoscope has an inertial sensor to sense rotations of the received image about the optical axis of the endoscope and the sensor's output signals are used to rotate either the image or the image sensor. In case of rotation of the image sensor the rotation sensor can be a gyroscope or a pair of accelerometers. In case of a rotation of the image obtained with the image sensor the inertial sensor, which can be an accelerometer or a gyroscope, the image is rotated within a microprocessor for subsequent viewing on a video display. The signal processing to achieve compensatory rotations of the displayed image as an operator of the endoscope moves it about is described.
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subjects	DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY
title	Image orientation for endoscopic video displays
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