Patents by Inventor Andy Lambrecht
Andy Lambrecht has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 11946850Abstract: A device for detecting particles in air; said device comprising: a receiver for receiving a flow of air comprising particles; a particle capturing arrangement configured to transfer the particles from the flow of air to a liquid for collection of a set of particles in the liquid; a flow channel configured to pass a flow of the liquid comprising the set of particles through the flow channel; a light source configured to illuminate the set of particles in the flow channel, such that an interference pattern is formed by interference between light being scattered by the set of particles and non-scattered light from the light source; and an image sensor comprising a plurality of photo-sensitive elements configured to detect incident light, the image sensor being configured to detect the interference pattern.Type: GrantFiled: December 18, 2020Date of Patent: April 2, 2024Assignee: IMEC VZWInventors: Geert Vanmeerbeeck, Ziduo Lin, Abdulkadir Yurt, Richard Stahl, Andy Lambrechts
-
Patent number: 11841298Abstract: The inventive concept relates to a collector for collecting particles in air and a device for detecting particles in air comprising said collector. Said collector comprises a substrate, which is adapted to enable imaging of the particles, an adhesive layer arranged on a collector side of the substrate, said adhesive layer being formed by an adhesive material. The collector further comprises a protection element, which is configured to protect the adhesive layer before collection of particles. The collector is configured to allow release of protection of the adhesive layer by the protection element to expose an adhesive surface of the adhesive layer to ambient air for collecting particles on the adhesive surface. The collector is further configured for presenting a particle sample carrier having a smooth top surface and a smooth bottom surface for preventing light from being diffusely scattered by the particle sample carrier.Type: GrantFiled: December 18, 2020Date of Patent: December 12, 2023Assignee: IMEC VZWInventors: Ziduo Lin, Abdulkadir Yurt, Richard Stahl, Geert Vanmeerbeeck, Andy Lambrechts
-
Patent number: 11733095Abstract: A method for calibrating an image sensor begins by illuminating a portion of the image sensor with an input light spectrum, where the input light spectrum includes light of known wavelength and intensity. The method continues by sampling an output for each optical sensor of the image sensor, where each optical sensor is associated with one or more optical filters and where each optical filter being associated with a group of optical filters of a plurality of groups of optical filters. Each optical filter of a group of optical filters is configured to pass light in a different wavelength range and at least some optical filters in different groups of the plurality of groups of optical filters are configured to pass light in substantially a same wavelength range.Type: GrantFiled: April 27, 2021Date of Patent: August 22, 2023Assignee: IMECInventors: Nicolaas Tack, Andy Lambrechts, Luc Haspeslagh
-
Publication number: 20230213386Abstract: A user device for imaging a scene includes a first plurality of optical sensors coupled to a substrate for collecting an image of a scene and a second plurality of optical sensors coupled to the substrate for collecting spectral information from the image. A plurality of sets of interference filters are associated with the second plurality of optical sensors, where each interference filter of a set of interference filters is configured to pass light in one of a plurality of wavelength ranges to one or more optical sensors of the second plurality of optical sensors and each optical sensor of the plurality of optical sensors is associated with a spatial area of the image. A processor is adapted to receive an output from the first plurality of optical sensors and the second plurality of optical sensors and determine, based on the spectral information, a target area within the scene.Type: ApplicationFiled: February 24, 2023Publication date: July 6, 2023Applicant: SpectricityInventors: Jonathan Borremans, Andy Lambrechts, Jerome Baron
-
Patent number: 11609172Abstract: 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 reconstructionType: GrantFiled: December 19, 2020Date of Patent: March 21, 2023Assignee: IMEC VZWInventors: Richard Stahl, Abdulkadir Yurt, Ziduo Lin, Geert Vanmeerbeeck, Andy Lambrechts
-
Patent number: 11095835Abstract: An example method and hyperspectral imaging (HSI) system for imaging a scene are provided. The method is for imaging the scene with the HSI system including a sensor with a plurality of sensor pixels and a plurality of spectral filters, each of the spectral filters being associated with one of the sensor pixels. The method comprises obtaining a higher-resolution spatial image by illuminating the scene with a first set of wavelengths, wherein each spectral filter passes the first set of wavelengths to the sensor pixel it is associated with. The method further comprises obtaining a lower-resolution hyperspectral image by illuminating the scene with a second set of wavelengths, wherein each spectral filter passes only a subset of the second set of wavelengths to the sensor pixel it is associated with.Type: GrantFiled: December 20, 2019Date of Patent: August 17, 2021Assignee: IMEC VZWInventors: Nicolaas Tack, Andy Lambrechts
-
Publication number: 20210247232Abstract: A method for calibrating an image sensor begins by illuminating a portion of the image sensor with an input light spectrum, where the input light spectrum includes light of known wavelength and intensity. The method continues by sampling an output for each optical sensor of the image sensor, where each optical sensor is associated with one or more optical filters and where each optical filter being associated with a group of optical filters of a plurality of groups of optical filters. Each optical filter of a group of optical filters is configured to pass light in a different wavelength range and at least some optical filters in different groups of the plurality of groups of optical filters are configured to pass light in substantially a same wavelength range.Type: ApplicationFiled: April 27, 2021Publication date: August 12, 2021Applicant: IMECInventors: Nicolaas Tack, Andy Lambrechts, Luc Haspeslagh
-
Publication number: 20210190660Abstract: 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 reconstructionType: ApplicationFiled: December 19, 2020Publication date: June 24, 2021Inventors: Richard STAHL, Abdulkadir YURT, Ziduo LIN, Geert VANMEERBEECK, Andy LAMBRECHTS
-
Publication number: 20210190670Abstract: The inventive concept relates to a collector for collecting particles in air and a device for detecting particles in air comprising said collector. Said collector comprises a substrate, which is adapted to enable imaging of the particles, an adhesive layer arranged on a collector side of the substrate, said adhesive layer being formed by an adhesive material. The collector further comprises a protection element, which is configured to protect the adhesive layer before collection of particles. The collector is configured to allow release of protection of the adhesive layer by the protection element to expose an adhesive surface of the adhesive layer to ambient air for collecting particles on the adhesive surface. The collector is further configured for presenting a particle sample carrier having a smooth top surface and a smooth bottom surface for preventing light from being diffusely scattered by the particle sample carrier.Type: ApplicationFiled: December 18, 2020Publication date: June 24, 2021Inventors: Ziduo LIN, Abdulkadir YURT, Richard STAHL, Geert VANMEERBEECK, Andy LAMBRECHTS
-
Publication number: 20210190671Abstract: A device for detecting particles in air; said device comprising: a receiver for receiving a flow of air comprising particles; a particle capturing arrangement configured to transfer the particles from the flow of air to a liquid for collection of a set of particles in the liquid; a flow channel configured to pass a flow of the liquid comprising the set of particles through the flow channel; a light source configured to illuminate the set of particles in the flow channel, such that an interference pattern is formed by interference between light being scattered by the set of particles and non-scattered light from the light source; and an image sensor comprising a plurality of photo-sensitive elements configured to detect incident light, the image sensor being configured to detect the interference pattern.Type: ApplicationFiled: December 18, 2020Publication date: June 24, 2021Inventors: Geert VANMEERBEECK, Ziduo LIN, Abdulkadir YURT, Richard STAHL, Andy LAMBRECHTS
-
Patent number: 11029207Abstract: An integrated circuit for an imaging system is disclosed. In one aspect, an integrated circuit has an array of optical sensors, an array of optical filters integrated with the sensors and configured to pass a band of wavelengths onto one or more of the sensors, and read out circuitry to read out pixel values from the sensors to represent an image. Different ones of the optical filters are configured to have a different thickness, to pass different bands of wavelengths by means of interference, and to allow detection of a spectrum of wavelengths. The read out circuitry can enable multiple pixels under one optical filter to be read out in parallel. The thicknesses may vary non-monotonically across the array. The read out, or later image processing, may involve selection or interpolation between wavelengths, to carry out spectral sampling or shifting, to compensate for thickness errors.Type: GrantFiled: March 10, 2020Date of Patent: June 8, 2021Assignee: IMECInventors: Nicolaas Tack, Andy Lambrechts, Luc Haspeslagh
-
Patent number: 11016022Abstract: A multimodal imaging system comprises a light source, an image sensor comprising a plurality of pixels, and an optical filter comprising a first filter element and a second filter element. The light source emits partially coherent polarized light, and the first filter element and second filter element are arranged as an array parallel to the image sensor. The first filter element is configured for attenuated transmission of a first light spectrum, which comprises polarized light emitted by the light source, and the second filter element is configured for transmission of a second light spectrum. The image sensor is configured to simultaneously capture light impinging on the image sensor from both the first filter element and the second filter element. Each filter element of the optical filter is configured for transmission of light to a subset of the imager pixels.Type: GrantFiled: December 13, 2019Date of Patent: May 25, 2021Assignee: IMEC vzwInventors: Abdulkadir Yurt, Jasper Marien, Andy Lambrechts
-
Publication number: 20200278252Abstract: An integrated circuit for an imaging system is disclosed. In one aspect, an integrated circuit has an array of optical sensors, an array of optical filters integrated with the sensors and configured to pass a band of wavelengths onto one or more of the sensors, and read out circuitry to read out pixel values from the sensors to represent an image. Different ones of the optical filters are configured to have a different thickness, to pass different bands of wavelengths by means of interference, and to allow detection of a spectrum of wavelengths. The read out circuitry can enable multiple pixels under one optical filter to be read out in parallel. The thicknesses may vary non-monotonically across the array. The read out, or later image processing, may involve selection or interpolation between wavelengths, to carry out spectral sampling or shifting, to compensate for thickness errors.Type: ApplicationFiled: March 10, 2020Publication date: September 3, 2020Inventors: Nicolaas Tack, Andy Lambrechts, Luc Haspeslagh
-
Patent number: 10697882Abstract: The present disclosure relates to devices and methods configured to perform drug screening on cells. At least one embodiment relates to a lens-free device for performing drug screening on cells. The lens-free device includes a substrate having a surface. The lens-free device also includes a light source positioned to illuminate the cells, when present, on the substrate surface with a light wave. The lens-free device further includes a sensor positioned to detect an optical signal caused by illuminating the cells. The substrate surface includes a microelectrode array for sensing an electrophysiological signal from the cells.Type: GrantFiled: April 3, 2015Date of Patent: June 30, 2020Assignee: IMEC VZWInventors: Veerle Reumers, Dries Braeken, Geert Vanmeerbeeck, Richard Stahl, Andy Lambrechts
-
Publication number: 20200200606Abstract: An example apparatus for performing depth-resolved hyperspectral imaging (HSI) is provided. The apparatus includes an optical system, which is configured to receive electromagnetic radiation. The optical system is further configured to set at least one determined focus distance, to block received out-of-focus radiation, and to pass received in-focus radiation. Further, the apparatus includes an HSI sensor, which is configured to produce a hyperspectral image based on the in-focus radiation passed by the optical system. A method for performing depth-resolved hyperspectral imaging is also provided.Type: ApplicationFiled: December 18, 2019Publication date: June 25, 2020Inventors: Abdulkadir Yurt, Nicolaas Tack, Andy Lambrechts
-
Publication number: 20200204745Abstract: An example method and hyperspectral imaging (HSI) system for imaging a scene are provided. The method is for imaging the scene with the HSI system including a sensor with a plurality of sensor pixels and a plurality of spectral filters, each of the spectral filters being associated with one of the sensor pixels. The method comprises obtaining a higher-resolution spatial image by illuminating the scene with a first set of wavelengths, wherein each spectral filter passes the first set of wavelengths to the sensor pixel it is associated with. The method further comprises obtaining a lower-resolution hyperspectral image by illuminating the scene with a second set of wavelengths, wherein each spectral filter passes only a subset of the second set of wavelengths to the sensor pixel it is associated with.Type: ApplicationFiled: December 20, 2019Publication date: June 25, 2020Inventors: Nicolaas Tack, Andy Lambrechts
-
Publication number: 20200191706Abstract: A multimodal imaging system comprises a light source, an image sensor comprising a plurality of pixels, and an optical filter comprising a first filter element and a second filter element. The light source emits partially coherent polarized light, and the first filter element and second filter element are arranged as an array parallel to the image sensor. The first filter element is configured for attenuated transmission of a first light spectrum, which comprises polarized light emitted by the light source, and the second filter element is configured for transmission of a second light spectrum. The image sensor is configured to simultaneously capture light impinging on the image sensor from both the first filter element and the second filter element. Each filter element of the optical filter is configured for transmission of light to a subset of the imager pixels.Type: ApplicationFiled: December 13, 2019Publication date: June 18, 2020Inventors: Abdulkadir Yurt, Jasper Marien, Andy Lambrechts
-
Patent number: 10678187Abstract: 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.Type: GrantFiled: February 4, 2016Date of Patent: June 9, 2020Assignee: IMEC VZWInventors: Richard Stahl, Tom Claes, Xavier Rottenberg, Geert Vanmeerbeeck, Andy Lambrechts
-
Patent number: 10620049Abstract: An integrated circuit for an imaging system is disclosed. In one aspect, an integrated circuit has an array of optical sensors, an array of optical filters integrated with the sensors and configured to pass a band of wavelengths onto one or more of the sensors, and read out circuitry to read out pixel values from the sensors to represent an image. Different ones of the optical filters are configured to have a different thickness, to pass different bands of wavelengths by means of interference, and to allow detection of a spectrum of wavelengths. The read out circuitry can enable multiple pixels under one optical filter to be read out in parallel. The thicknesses may vary non-monotonically across the array. The read out, or later image processing, may involve selection or interpolation between wavelengths, to carry out spectral sampling or shifting, to compensate for thickness errors.Type: GrantFiled: March 20, 2019Date of Patent: April 14, 2020Assignee: IMECInventors: Nicolaas Tack, Andy Lambrechts, Luc Haspeslagh
-
Publication number: 20190301935Abstract: A user device including a camera, a spectrometer module, and a processing unit is disclosed. In one aspect, the camera is adapted to acquire at least one image of a scenery which falls within a field of view of the camera. The spectrometer module is adapted to acquire spectral information from a region within the scenery which region falls within a field of view of the spectrometer module. The processing unit is adapted to determine, based on information relating the field of view of the spectrometer module to the field of view of the camera, a spectrometer module target area, within the at least one image, corresponding to the region. The processing unit is adapted to output display data to a screen of the user device for providing an indication of the target area on the display.Type: ApplicationFiled: June 14, 2019Publication date: October 3, 2019Applicant: SPECTRICITYInventors: Jonathan Borremans, Andy Lambrechts, Jerome Baron