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公开(公告)号：US20200285194A1
公开(公告)日：2020-09-10
申请号：US16648987
申请日：2018-09-19
申请人： IMEC VZW
IPC分类号： G03H1/04
摘要： Example embodiments relate to imaging devices for in-line holographic imaging of objects. One embodiment includes an imaging device for in-line holographic imaging of an object. The imaging device includes a set of light sources configured to output light in confined illumination cones. The imaging device also includes an image sensor that includes a set of light-detecting elements. The set of light sources are configured to output light such that the confined illumination cones are arranged side-by-side and illuminate a specific part of the object. The image sensor is arranged such that the light-detecting elements detect a plurality of interference patterns. Each interference pattern is formed by diffracted light from the object originating from a single light source and undiffracted light from the same single light source. At least a subset of the set of light-detecting elements is arranged to detect light relating to not more than one interference pattern.
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公开(公告)号：US10126709B2
公开(公告)日：2018-11-13
申请号：US15727832
申请日：2017-10-09
申请人： IMEC VZW
摘要： Embodiments described herein relate to lens-free imaging. One example embodiment may include a lens-free imaging device for imaging a moving sample. The lens-free imaging device may include a radiation source configured to emit a set of at least two different wavelengths towards the moving sample. The lens-free imaging device is configured to image samples for which a spectral response does not substantially vary for a set of at least two different wavelengths. The lens-free imaging device may also include a line scanner configured to obtain a line scan per wavelength emitted by the radiation source and reflected by, scattered by, or transmitted through the moving sample. The line scanner is configured to regularly obtain a line scan per wavelength. Either the radiation source or the line scanner is configured to isolate data of the at least two different wavelengths.
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公开(公告)号：US20180195945A1
公开(公告)日：2018-07-12
申请号：US15738227
申请日：2016-06-28
申请人： IMEC VZW , Universiteit Gent
CPC分类号： G01N15/0227 , G01N15/1434 , G01N15/147 , G01N2015/0073 , G01N2015/008 , G01N2015/0233 , G01N2015/1454 , G01N2015/149 , G01N2015/1493 , G03H1/02 , G03H1/0443 , G03H2001/0447 , G03H2226/02 , G03H2226/11
摘要： A device for extracting at least one object characteristic of an object (106) is presented, the device comprising: a light sensor (101) for recording a hologram of an object and a processing unit (102) coupled to the light sensor and configured for extracting at least one object characteristic from the hologram; wherein the processing unit is configured for extracting the at least one object characteristic from a section of the hologram without reconstructing an image representation of the object. Further, a device (200) for sorting an object (106), a method for identifying an object and a method for sorting objects is presented.
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公开(公告)号：US11328151B2
公开(公告)日：2022-05-10
申请号：US16631396
申请日：2018-07-16
发明人： Yuqian Li , Geert Vanmeerbeeck , Alexandra Dusa
摘要： Disclosed herein are cell differentiating systems for differentiating cells. The systems comprise an input means for receiving a reconstructed image of a cell based on a holographic image of the cell in suspension, and a cell recognition means for determining cell characterization features from the reconstructed image of the cell for characterization of the cell. The cell recognition means thereby is configured for determining, as cell recognition features, image moments.
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公开(公告)号：US11609172B2
公开(公告)日：2023-03-21
申请号：US17128093
申请日：2020-12-19
申请人： IMEC VZW
摘要： A device for detecting particles in air; said device comprising: a flow channel configured to allow a flow of air comprising particles through the flow channel; a light source configured to illuminate the particles, such that an interference pattern is formed by interference between light being scattered by the particles and non-scattered light from the light source; an image sensor configured to detect incident light, detect the interference pattern, and to acquire a time-sequence of image frames, each image frame comprising a plurality of pixels, each pixel representing a detected intensity of light; and a frame processor configured to filter information in the time-sequence of image frames, wherein said filtering comprises: identifying pixels of interest in the time-sequence of image frames, said pixels of interest picturing an interference pattern potentially representing a particle in the flow of air, and outputting said identified pixels of interest for performing digital holographic reconstruction.
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公开(公告)号：US11175625B2
公开(公告)日：2021-11-16
申请号：US16467612
申请日：2017-12-08
申请人： IMEC VZW
发明人： Ziduo Lin , Abdulkadir Yurt , Richard Stahl , Geert Vanmeerbeeck
摘要： Example embodiments relate to methods and imaging systems for holographic imaging. One embodiment includes a method for holographic imaging of an object. The method includes driving a laser using a current which is below a threshold current of the laser. The method also includes illuminating the object using illumination light output by the laser. Further, the method includes detecting an interference pattern formed by object light, having interacted with the object, and reference light of the illumination light.
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公开(公告)号：US10684589B2
公开(公告)日：2020-06-16
申请号：US15847521
申请日：2017-12-19
申请人： IMEC vzw
发明人： Abdulkadir Yurt , Geert Vanmeerbeeck , Richard Stahl , Ziduo Lin
摘要： An apparatus for in-line holographic imaging is disclosed. In one aspect, the apparatus includes at least a first light source and a second light source arranged for illuminating an object arranged in the apparatus with a light beam. The apparatus also includes an image sensor arranged to detect at least a first and a second interference pattern, wherein the first interference pattern is formed when the object is illuminated by the first light source and the second interference pattern is formed when the object is illuminated by the second light source. The first and second interference patterns are formed by diffracted light, being scattered by the object, and undiffracted light of the light beam. The at least first and second light sources are arranged at different angles in relation to the object, and possibly illuminate the object using different wavelengths.
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公开(公告)号：US10295451B2
公开(公告)日：2019-05-21
申请号：US15738227
申请日：2016-06-28
申请人： IMEC VZW , Universiteit Gent
摘要： A device for extracting at least one object characteristic of an object (106) is presented, the device comprising: a light sensor (101) for recording a hologram of an object and a processing unit (102) coupled to the light sensor and configured for extracting at least one object characteristic from the hologram; wherein the processing unit is configured for extracting the at least one object characteristic from a section of the hologram without reconstructing an image representation of the object. Further, a device (200) for sorting an object (106), a method for identifying an object and a method for sorting objects is presented.
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公开(公告)号：US20180011443A1
公开(公告)日：2018-01-11
申请号：US15545611
申请日：2016-02-04
申请人： IMEC VZW
CPC分类号： G03H1/0465 , G01N15/1434 , G01N15/147 , G01N15/1484 , G01N2015/1454 , G02B6/122 , G02B21/0008 , G02B27/0087 , G02B2006/12061 , G03H1/0443 , G03H2001/0447 , G03H2222/34 , G03H2222/35 , G03H2222/53 , H04N5/2256 , H04N5/374
摘要： Embodiments described herein relate to a large area lens-free imaging device. One example is a lens-free device for imaging one or more objects. The lens-free device includes a light source positioned for illuminating at least one object. The lens-free device also includes a detector positioned for recording interference patterns of the illuminated at least one object. The light source includes a plurality of light emitters that are positioned and configured to create a controlled light wavefront for performing lens-free imaging.
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公开(公告)号：US11619574B2
公开(公告)日：2023-04-04
申请号：US17127800
申请日：2020-12-18
申请人： IMEC VZW
发明人： Geert Vanmeerbeeck , Ziduo Lin , Abdulkadir Yurt , Richard Stahl
摘要： The inventive concept relates to a device for detecting particles in air, said device comprising a receiver for receiving a flow of air comprising particles, a sample carrier, and a particle capturing arrangement. The particle capturing arrangement is configured to separate the particles from the flow of air for and to collect a set of particles on a surface of the sample carrier. The device further comprises a light source configured to illuminate the particles on the sample carrier, such that an interference pattern is formed by interference between light being scattered by the particles and non-scattered light from the light source. The device further comprises an image sensor configured to detect the interference pattern. The device further comprises a cleaner configured for cleaning the surface of the sample carrier for enabling re-use of the surface for collection of a subsequent set of particles.
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