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公开(公告)号：US20220026725A1
公开(公告)日：2022-01-27
申请号：US17498108
申请日：2021-10-11
发明人： George DUCKETT , Eric HALE , Nathan SCHARA
摘要： A dynamic imaging system for use with endoscope, or as an element of a video endoscope, utilizes path length differences and/or a variable aperture size to expand a usable depth of field and/or improve image resolution in an area of interest in the image field. In some implementations, the imaging system utilizes a variable aperture in conjunction with unequally spaced image sensors placed downstream from a beam splitter. An imaging system captures multiple focal planes of an image scene on separate sensors. A variable aperture permits the capture of enhanced resolution images or images with longer depths of field. These differently focused images and/or images with different resolutions and depths of field are then combined using image fusion techniques.
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公开(公告)号：US10477190B2
公开(公告)日：2019-11-12
申请号：US15458199
申请日：2017-03-14
发明人： Andreas Heni , Markus Kupferschmid , Daniel Ulmschneider , Lawrence Natusch , George E. Duckett, III
IPC分类号： H04N13/296 , G02B23/24 , H04N13/189 , H04N13/243 , A61B1/00 , H04N13/239
摘要： An imaging system includes an imaging scope, a controller, a camera, and a processor. The imaging scope is selectively rotatable about a longitudinal axis relative to a horizon plane. The imaging scope has at least three optical channels, each including a respective objective that captures light. The objectives are positioned such that respective viewing direction axes of the optical channels extend at least substantially parallel to one another. The controller activates a pair of optical channels that is at least as parallel relative to the horizon plane as any other pair of optical channels. The camera generates a first image representative of light captured by a first optical channel of the activated pair of optical channels, and a second image representative of light captured by a second optical channel of the activated pair of optical channels. The processor generates a 3D image using the first and second images.
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公开(公告)号：US20190265490A1
公开(公告)日：2019-08-29
申请号：US16402048
申请日：2019-05-02
摘要： An optical device, generally a camera head connected to an endoscope, provides multiple modes of operation, producing images with varying depth of field and/or resolution characteristics. Light from the endoscope passes through a variable aperture and a beam splitter and is directed to two or more independent image sensors. The image sensors may be moved, relative to each other, along their optical paths. An image processor combines the collected images into a resultant image. Adjustment of the relative positions of the image sensor and/or the diameter of the variable aperture permits the selection of optical properties desired, with a larger depth of field, and/or higher resolution than possible with a conventional system. Images may be collected through multiple acquisition periods, and a further enhanced image may be generated therefrom. The camera head may automatically make adjustments based on identifiers of the optical configuration of the attached endoscope.
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公开(公告)号：US11307430B2
公开(公告)日：2022-04-19
申请号：US16402048
申请日：2019-05-02
摘要： An optical device, generally a camera head connected to an endoscope, provides multiple modes of operation, producing images with varying depth of field and/or resolution characteristics. Light from the endoscope passes through a variable aperture and a beam splitter and is directed to two or more independent image sensors. The image sensors may be moved, relative to each other, along their optical paths. An image processor combines the collected images into a resultant image. Adjustment of the relative positions of the image sensor and/or the diameter of the variable aperture permits the selection of optical properties desired, with a larger depth of field, and/or higher resolution than possible with a conventional system. Images may be collected through multiple acquisition periods, and a further enhanced image may be generated therefrom. The camera head may automatically make adjustments based on identifiers of the optical configuration of the attached endoscope.
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公开(公告)号：US11163169B2
公开(公告)日：2021-11-02
申请号：US16362886
申请日：2019-03-25
发明人： George E. Duckett, III , Eric Hale , Nathan Schara
摘要： A dynamic imaging system of an endoscope that adjusts path length differences or focal points to expand a usable depth of field. The imaging system utilizes a variable lens to adjust the focal plane of the beam or an actuated sensor to adjust the detected focal plane. The imaging system is thus capable of capturing and adjusting the focal plane of separate images captured on separate sensors. The separate light beams may be differently polarized by a variable wave plate or a polarized beam splitter to allow separate manipulation of the beams for addition of more frames. These differently focused frames are then combined using image fusion techniques.
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公开(公告)号：US20180270466A1
公开(公告)日：2018-09-20
申请号：US15458199
申请日：2017-03-14
发明人： Andreas Heni , Markus Kupferschmid , Daniel Ulmschneider , Lawrence Natusch , George E. Duckett III
摘要： An imaging system includes an imaging scope, a controller, a camera, and a processor. The imaging scope is selectively rotatable about a longitudinal axis relative to a horizon plane. The imaging scope has at least three optical channels, each including a respective objective that captures light. The objectives are positioned such that respective viewing direction axes of the optical channels extend at least substantially parallel to one another. The controller activates a pair of optical channels that is at least as parallel relative to the horizon plane as any other pair of optical channels. The camera generates a first image representative of light captured by a first optical channel of the activated pair of optical channels, and a second image representative of light captured by a second optical channel of the activated pair of optical channels. The processor generates a 3D image using the first and second images.
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公开(公告)号：US20170351103A1
公开(公告)日：2017-12-07
申请号：US15175520
申请日：2016-06-07
发明人： George DUCKETT , Martin REESE , Eric HALE , Nathan SCHARA
CPC分类号： G02B27/1066 , A61B1/00163 , A61B1/00188 , A61B1/0019 , G02B27/283 , H04N5/2254 , H04N5/2258 , H04N5/23232 , H04N2005/2255
摘要： A dynamic imaging system of an endoscope that adjusts path length differences or focal points to expand a usable depth of field. The imaging system utilizes a variable lens to adjust the focal plane of the beam or an actuated sensor to adjust the detected focal plane. The imaging system is thus capable of capturing and adjusting the focal plane of separate images captured on separate sensors. The separate light beams may be differently polarized by a variable wave plate or a polarized beam splitter to allow separate manipulation of the beams for addition of more frames. These differently focused frames are then combined using image fusion techniques.
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公开(公告)号：US20190219831A1
公开(公告)日：2019-07-18
申请号：US16362886
申请日：2019-03-25
发明人： George DUCKETT , Eric HALE , Nathan SCHARA
CPC分类号： G02B27/1066 , A61B1/00009 , A61B1/0019 , G02B27/283 , H04N5/2254 , H04N5/2258 , H04N5/23232 , H04N2005/2255
摘要： A dynamic imaging system of an endoscope that adjusts path length differences or focal points to expand a usable depth of field. The imaging system utilizes a variable lens to adjust the focal plane of the beam or an actuated sensor to adjust the detected focal plane. The imaging system is thus capable of capturing and adjusting the focal plane of separate images captured on separate sensors. The separate light beams may be differently polarized by a variable wave plate or a polarized beam splitter to allow separate manipulation of the beams for addition of more frames. These differently focused frames are then combined using image fusion techniques.
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公开(公告)号：US10324300B2
公开(公告)日：2019-06-18
申请号：US15175520
申请日：2016-06-07
发明人： George Duckett , Martin Reese , Eric Hale , Nathan Schara
摘要： A dynamic imaging system of an endoscope that adjusts path length differences or focal points to expand a usable depth of field. The imaging system utilizes a variable lens to adjust the focal plane of the beam or an actuated sensor to adjust the detected focal plane. The imaging system is thus capable of capturing and adjusting the focal plane of separate images captured on separate sensors. The separate light beams may be differently polarized by a variable wave plate or a polarized beam splitter to allow separate manipulation of the beams for addition of more frames. These differently focused frames are then combined using image fusion techniques.
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公开(公告)号：US12114835B2
公开(公告)日：2024-10-15
申请号：US17388435
申请日：2021-07-29
发明人： Thomas Hinding , Bernhard Gloeggler , Werner Goebel , Teresa Pfau
CPC分类号： A61B1/00126 , A61B1/00117 , A61B1/04 , A61B1/0669 , A61B1/0684 , A61B1/07
摘要： An illumination device for an endoscope includes illumination means for coupling light into a light guide. The illumination means has an LED matrix array having a plurality of LED pixels forming an emission area, and further includes a light guide port associated with the illumination means for positioning a light-guiding transmission area, which is disposed at an end of the light guide. The device also includes LED pixels configured as sensor elements configured to detect LED pixels of the emission area that are directed at non-light-guiding portions of the light guide, and wherein the device has a control unit which is configured to selectively operate the LED pixels of the LED matrix array for coupling light into the light guide in such a manner that at least some of the LED pixels directed at the non-guiding portions of the light guide in the main emission direction are operated at lower power or deactivated.
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