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公开(公告)号:US20230384157A1
公开(公告)日:2023-11-30
申请号:US17824614
申请日:2022-05-25
Applicant: VisEra Technologies Company Ltd.
Inventor: Lai-Hung LAI , Hsin-Yi HSIEH , Chin-Chuan HSIEH
CPC classification number: G01J3/2823 , G02B27/30 , G02B6/42 , G02B6/4215 , G01J3/18 , G01J3/0208 , H01L27/307
Abstract: The spectrometer includes a lightguide substrate, an upper grating layer, a lower grating layer, an image sensor, and a readout circuit. The upper grating layer is disposed on the lightguide substrate and configured to receive a light. The upper grating layer includes a first grating structure, a second grating structure, and a third grating structure, and the first, second, and third grating structures have different grating periods. The lightguide substrate is configured to diffract the light when the light propagates into the lightguide substrate, such that multiple diffraction lights are formed and each of the multiple diffraction lights has different wavelengths and different optical path. The lower grating layer is disposed under the lightguide substrate and configured to emit the multiple diffraction lights. The image sensor is disposed under the lower grating layer. The readout circuit is disposed under the image sensor.
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公开(公告)号:US11828704B2
公开(公告)日:2023-11-28
申请号:US16899389
申请日:2020-06-11
Applicant: FLIR Systems AB
Inventor: Henning Hagman
IPC: G01N21/3504 , G06T7/44 , H04N5/33 , G01J3/28 , G01M3/00 , G01M3/04 , G01M3/38 , G01N21/3518 , G06V10/143 , G01N21/71
CPC classification number: G01N21/3504 , G01J3/2823 , G01M3/002 , G01M3/04 , G01M3/38 , G01N21/3518 , G06T7/44 , G06V10/143 , H04N5/33 , G01J2003/2826 , G01N21/716 , G06T2207/10048
Abstract: Various techniques are provided for increasing contrast of gas features in a scene. In one example, a method includes receiving a captured infrared image comprising a gas feature and a scene feature. The captured infrared image comprises a first range of pixel values associated with a first temperature range of the gas feature and the scene feature. The method also includes applying a spatial filter to the captured infrared image to provide a spatially filtered infrared image retaining the gas feature and removing the scene feature. The spatially filtered infrared image comprises a second range of pixel values associated with a second temperature range of the gas feature without the additional scene feature to exhibit increased gas contrast over the captured infrared image. Additional methods and systems are also provided.
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公开(公告)号:US11828652B2
公开(公告)日:2023-11-28
申请号:US16768573
申请日:2018-11-30
Applicant: UNIVERSITE DE REIMS CHAMPAGNE ARDENNE , CRITT-MDTS
Inventor: Valeriu Vrabie , Eric Perrin , Sihem Mezghani
CPC classification number: G01J3/2823 , G06N3/045 , G06N3/048 , G06N3/08 , G06T7/0004 , G01J2003/2826 , G01N2021/8883 , G01N2021/8887 , G06T2207/10024 , G06T2207/10036 , G06T2207/10048 , G06T2207/20084 , G06T2207/30188
Abstract: A method for characterizing a sample using spectral images of the sample. At least one volume of values of an observed parameter is generated from the images for a plurality of coordinates of the pixels of the images and a plurality of acquisitions. At least one set of input data from the volume is extracted, with the input data corresponding to the values of the parameter, for a pixel of given coordinates in various acquisitions, to which values at least one conversion function has been applied. The at least one neural network is trained using the input data in order to extract therefrom at least one feature of the sample to be characterized. The at least one feature extracted by the neural network is used to perform a classification of the input data into a plurality of classes, each class being representative of at least one feature of the sample.
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公开(公告)号:US20230375406A1
公开(公告)日:2023-11-23
申请号:US18197357
申请日:2023-05-15
Applicant: IMEC VZW , Katholieke Universiteit Leuven
Inventor: Vladimir PEJOVIC , David CHEYNS , Xavier ROTTENBERG , Kristof LODEWIJKS , Pawel MALINOWSKI , Yunlong LI , Gauri KARVE
CPC classification number: G01J3/2823 , G01J3/021 , H10K39/32 , G01J2003/2826
Abstract: A light sensor for spectrally resolved light detection, said light sensor comprises: an upper reflective element; a lower reflective element; a photo-sensitive element therebetween; a spacer element, configured to form the lower reflective element or arranged between the upper and the lower reflective element; wherein the elements form a stack of layers which define a resonance structure between the upper and the lower reflective element for providing a resonance of light; wherein the spacer element comprises at least two different materials, a distribution of which is different between different pixels in an array of pixels such that a resonance wavelength is different for different pixels; and wherein for a plurality of pixels, geometrical structures smaller than the resonance wavelength are defined by the at least two different materials.
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公开(公告)号:US11823403B2
公开(公告)日:2023-11-21
申请号:US16234332
申请日:2018-12-27
Applicant: Cilag GmbH International
Inventor: Joshua D. Talbert , Donald M. Wichern
IPC: G06T7/521 , A61B1/045 , A61B1/05 , A61B1/00 , A61B1/06 , G02B23/24 , H04N13/239 , H04N23/13 , H04N23/45 , H04N23/56 , H04N23/74 , H04N23/84 , H04N23/10 , H04N23/741 , H04N25/53 , H04N25/533 , G01J3/02 , G01J3/10 , G01J3/28 , A61B1/04 , H04N5/265 , H04N5/272 , H04N23/50
CPC classification number: G06T7/521 , A61B1/0005 , A61B1/00066 , A61B1/00096 , A61B1/00186 , A61B1/00193 , A61B1/043 , A61B1/045 , A61B1/05 , A61B1/063 , A61B1/0638 , A61B1/0646 , A61B1/0653 , A61B1/0661 , G01J3/027 , G01J3/10 , G01J3/2803 , G01J3/2823 , G02B23/2461 , G02B23/2484 , H04N5/265 , H04N5/272 , H04N13/239 , H04N23/125 , H04N23/13 , H04N23/45 , H04N23/56 , H04N23/74 , H04N23/741 , H04N23/84 , H04N25/53 , H04N25/533 , G01J2003/2826 , G06T2207/10024 , G06T2207/10028 , G06T2207/10068 , G06T2207/30004 , H04N23/555
Abstract: An endoscopic imaging system for use in a light deficient environment includes an imaging device having a tube, one or more image sensors, and a lens assembly including at least one optical elements that corresponds to the one or more image sensors. The endoscopic system includes a display for a user to visualize a scene and an image signal processing controller. The endoscopic system includes a light engine having an illumination source generating one or more pulses of electromagnetic radiation and a lumen transmitting one or more pulses of electromagnetic radiation to a distal tip of an endoscope.
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116.
公开(公告)号:US11821989B2
公开(公告)日:2023-11-21
申请号:US17553562
申请日:2021-12-16
Applicant: Cilag GmbH International
Inventor: Joshua D. Talbert , Donald M. Wichern
CPC classification number: G01S17/89 , G01J3/2823 , G01S7/483 , G06T7/0012 , G06T2207/10064 , G06T2207/10068 , G06T2207/30024
Abstract: Hyperspectral, fluorescence, and laser mapping imaging with reduced fixed pattern noise is disclosed. A method includes actuating an emitter to emit a plurality of pulses of electromagnetic radiation and sensing reflected electromagnetic radiation resulting from the plurality of pulses of electromagnetic radiation with a pixel array of an image sensor. The method includes reducing fixed pattern noise in an exposure frame by subtracting a reference frame from the exposure frame. The method is such that at least a portion of the pulses of electromagnetic radiation emitted by the emitter comprises one or more of: electromagnetic radiation having a wavelength from about 513 nm to about 545 nm, from about 565 nm to about 585 nm, from about 900 nm to about 1000 nm, an excitation wavelength of electromagnetic radiation that causes a reagent to fluoresce, or a laser mapping pattern.
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公开(公告)号:US11821844B2
公开(公告)日:2023-11-21
申请号:US17993815
申请日:2022-11-23
Applicant: GETAC TECHNOLOGY CORPORATION
Inventor: Kun-Yu Tsai
IPC: G01N21/88 , G06N3/08 , G01J3/28 , G01N21/956 , G01N21/952 , G06T7/586 , G06T7/00 , G01N21/3581 , G06T7/40 , G06N3/04 , G06T7/11 , G06T7/45 , G06F17/16 , G06N3/063 , G01N21/01 , G06V10/22 , G06V20/64 , G06F18/214 , G06N3/047 , G06V10/145 , G06V10/25 , G06V10/60 , G06V10/143 , G06V10/24
CPC classification number: G01N21/8806 , G01J3/2823 , G01N21/01 , G01N21/3581 , G01N21/8851 , G01N21/952 , G01N21/956 , G06F17/16 , G06F18/2148 , G06N3/04 , G06N3/047 , G06N3/063 , G06N3/08 , G06T7/0004 , G06T7/11 , G06T7/40 , G06T7/45 , G06T7/586 , G06T7/97 , G06V10/143 , G06V10/145 , G06V10/22 , G06V10/242 , G06V10/25 , G06V10/60 , G06V20/64 , G06V20/647 , G01N2021/8887 , G06T2207/10152 , G06T2207/20081 , G06T2207/20084
Abstract: An artificial neural network-based method for detecting a surface type of an object includes: receiving a plurality of object images, wherein a plurality of spectra of the plurality of object images are different from one another and each of the object images has one of the spectra; transforming each object image into a matrix, wherein the matrix has a channel value that represents the spectrum of the corresponding object image; and executing a deep learning program by using the matrices to build a predictive model for identifying a target surface type of the object. Accordingly, the speed of identifying the target surface type of the object is increased, further improving the product yield of the object.
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公开(公告)号:US20230362462A1
公开(公告)日:2023-11-09
申请号:US18357113
申请日:2023-07-22
Inventor: TAKAYUKI KIYOHARA , MOTOKI YAKO , ATSUSHI ISHIKAWA
CPC classification number: H04N23/10 , G06T7/80 , G01J3/2823 , G06T2200/24 , G01J2003/2826
Abstract: An imaging system is an imaging system using a compressed sensing technology, and includes a filter array including types of filters different from one another in transmission spectrum, an image sensor that generates image data based on light that passes through the filter array, a processing circuit that generates hyperspectral image data including images corresponding to four or more bands included in a target wavelength region on the basis of the image data and a reconstruction table decided on the basis of a spatial distribution of the transmission spectra of the types of filters, and a light source that emits reference light used for calibration for correcting the reconstruction table and having a wavelength of at least one of the four or more bands, and the processing circuit corrects the reconstruction table on the basis of reference image data which the image sensor generates by detecting the reference light.
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119.
公开(公告)号:US20230346232A1
公开(公告)日:2023-11-02
申请号:US18060182
申请日:2022-11-30
Applicant: East Carolina University
Inventor: Thomas Bruce Ferguson, JR. , Sunghan Kim , William Hempstead , Cheng Chen
CPC classification number: A61B5/021 , A61B5/0261 , A61B5/02028 , G06T5/002 , G01J3/2823 , A61B5/352 , G06T2207/30104 , A61B5/02405
Abstract: Methods for calculating a MetaKG signal are provided. The method including illuminating a region of interest in a sample with a near-infrared (NIR) light source and/or a visible light source. The region of interest includes a sample portion and background portion, each having a different set of optical characteristics. Images of the region of interest are acquired and processed to obtain metadata associated with the acquired images. MetaKG signals are calculated for the region of interest and for the background. The MetaKG signal for the background is used to adjust the MetaKG signal for the region of interest to provide a final adjusted MetaKG signal for the region of interest.
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公开(公告)号:US11803979B2
公开(公告)日:2023-10-31
申请号:US16234175
申请日:2018-12-27
Applicant: Cilag GmbH International
Inventor: Joshua D. Talbert , Donald M. Wichern
IPC: A61B1/045 , A61B1/05 , A61B1/00 , A61B1/06 , A61B1/04 , G06T7/521 , G02B23/24 , H04N13/239 , H04N23/13 , H04N23/45 , H04N23/56 , H04N23/74 , H04N23/84 , H04N23/10 , H04N23/741 , H04N25/53 , H04N25/533 , G01J3/02 , G01J3/10 , G01J3/28 , H04N5/265 , H04N5/272 , H04N23/50
CPC classification number: G06T7/521 , A61B1/0005 , A61B1/00066 , A61B1/00096 , A61B1/00186 , A61B1/00193 , A61B1/043 , A61B1/045 , A61B1/05 , A61B1/063 , A61B1/0638 , A61B1/0646 , A61B1/0653 , A61B1/0661 , G01J3/027 , G01J3/10 , G01J3/2803 , G01J3/2823 , G02B23/2461 , G02B23/2484 , H04N5/265 , H04N5/272 , H04N13/239 , H04N23/125 , H04N23/13 , H04N23/45 , H04N23/56 , H04N23/74 , H04N23/741 , H04N23/84 , H04N25/53 , H04N25/533 , G01J2003/2826 , G06T2207/10024 , G06T2207/10028 , G06T2207/10068 , G06T2207/30004 , H04N23/555
Abstract: An endoscopic imaging system for use in a light deficient environment includes an imaging device having a tube, one or more image sensors, and a lens assembly including at least one optical elements that corresponds to the one or more image sensors. The endoscopic system includes a display for a user to visualize a scene and an image signal processing controller. The endoscopic system includes a light engine having an illumination source generating one or more pulses of electromagnetic radiation and a lumen transmitting one or more pulses of electromagnetic radiation to a distal tip of an endoscope.
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