Spectricity

Voxelsensors Srl

Sony Depthsensing Solutions Sa/nv

Softkinetic Sensors Nv

Sony Depthsensing Solutions N.v.

Sony Depthsensing Solutions

Ward Van Der Tempel

Jonathan Borremans

Daniel Van Nieuwenhove

Maarten De Bock

Kyriaki Korina Fotopoulou

Jakub Raczkowski

Ruben Lieten

André Bernard Miodezky

Christian Mourad

Jeroen Hermans

Thomas Finateu

Johannes Willem Peeters

Tomas Van Den Hauwe

Johannes Willern Peeters

Korina Fotopoulou

Olivier Bulteel

Depth imaging system implementing the method of any of the previous claims comprising: a. an imaging device () comprising a matrix of pixels () each pixel comprising a photodetector () capable of detecting single photons impinging thereon and optics able to make an image of the field of view on the matrix of pixel (), said single photon detector having a binary logic status of true when a photon is detected and a logic status of false when no photon is detected in a timeframe; b. a projector () able to project a pattern in a time window of less than 10 μsec, preferably less than 1 μsec; c. a controller synchronising the projector () time window and the imaging device timeframe; d. a logic determining, in use, the presence, during the timeframe, of contiguous pixels () in the true state, and calculating the depth profile corresponding to said contiguous pixels ().

Three dimensional imaging system

A sensor system includes a plurality of optical sensors implemented in a pixel layer of an integrated circuit and a plurality of sets of optical filters implemented proximal to the pixel layer in a plurality of alternating filter layers. An optical filter of a set of optical filters includes a plurality of filter components implemented in a stack and is configured to pass a respective target wavelength range of light to one or more optical sensors of the plurality of optical sensors. One or more filter components of the plurality of filter components in a filter layer of the plurality of filter layers is common to a plurality of optical filters of a set of optical filters.

Hyperspectral filter structure and method of manufacture

A method begins by generating a received light spectrum at time T1 for a scene using a spectral imager that includes a plurality of spectral sensors, where a spectral sensor includes a spectral filter overlaying one or more first optical sensors and the sensing range for the plurality of spectral sensors together include a spectrum of wavelength and outputting information representative of a spectral image for the scene at T1 to a processing module. The method continues by using an image sensor to image the scene at time T2, where the image sensor includes a plurality of second optical sensors, and outputting information representative of an image of the scene at T2 to the processing module where the image of the scene has a spatial resolution that is higher than the spatial resolution of the spectral image. The method continues by producing a combined spectral image based on the information representative of a spectral image for the scene at T1 and the information representative of the image at T2 and correcting, based on the combined spectral image, an illuminant for one or more spatial areas of the scene to produce a corrected spectral image.

Illuminant correction in an imaging system

The present invention relates to an imaging sensor system () having a high detection accuracy. The system () comprises a plurality of pixel sensors () and at least one light source. The pixel sensors () are grouped in clusters, wherein each pixel sensor () comprises a photodetector () and a local controlling circuit (). The plurality of sensors () in each cluster are configured, using local controlling circuits (), to output a global detection signal () when detecting a local detection signal () from at least two outputs of the photodetectors () of said cluster. The system () has a high detection accuracy due to ruling out false positive detections, since each detection requires at least two positive outputs of the photodetectors () of said cluster.

Neighborhood-gated switching pixel sensor

The present invention relates to a high-speed imaging sensor system in which single-photon detectors are provided in an architecture adapted for high-speed processing of the output of the detectors with high reliability to filter out false positives.

Pixel sensor system

An imaging system includes a plurality of optical sensors arranged on an integrated circuit in an array with a plurality of rows and a plurality of columns. The system includes an interface communicating with the plurality of optical sensors, memory storing operational instructions and processing circuitry configured to sample an image using the plurality of optical sensors in a first mode and sample at least a portion of the image sequentially on a row-by-row basis at a predetermined sampling rate in a second mode to produce row by row sample outputs. The processing circuitry is further configured to initiate sampling at least some rows of the plurality of rows of optical sensors using different time stamps.

Detection of light source distortion in an imaging system

An optical sensor system includes a plurality of sets of optical sensors implemented on a substrate, with a plurality of sets of optical filters, wherein a set of optical filters of the plurality of sets of optical filters is associated with a set of optical sensors and a set of optical filters of the plurality of sets of optical filters includes a plurality of optical filters that are arranged in a pattern, with each optical filter of the plurality of optical filters configured to pass light in a different wavelength range of a predefined spectral range. Each set of optical filters operates to provide a bandpass response corresponding to the predefined spectral range and a set of optical filters is located atop an associated set of optical sensors, where at least two sets of optical filters of the plurality of sets of optical filters are configured to provide different bandpass responses. An optical element is associated with a corresponding set of optical sensors, with each rejection filter configured to pass light wavelengths in a predefined spectral range.

Spectral sensor system using optical filter subarrays

A system for imaging a scene, includes a plurality of optical sensors arranged on an integrated circuit and a plurality of sets of interference filters, where each set of interference filters of the plurality of sets of interference filters includes a plurality of interference filters that are arranged in a pattern and each interference filter of the plurality of filters is configured to pass light in a different wavelength range, where each set of interference filters of the plurality of interference filters is associated with a spatial area of the scene. The system includes a plurality of rejection filters arranged in a pattern under each set of interference filters, where each rejection filter of the plurality of rejection filters is configured to substantially reject light of predetermined wavelengths. The system further includes one or more processors adapted to provide a spectral response for a spatial area of the scene associated with the set of interference filters.

White balance compensation using a spectral sensor system

A sensor system comprises a plurality of sets optical sensors arranged on an integrated circuit, the plurality of sets optical sensors having a respective top surface. The sensor system further comprising an interface between the plurality of optical sensors and a processing device configured to transmit information there between and an array of optical filters having a respective bottom surface and a respective top surface, where the bottom surface of the optical filter array is located proximal to the top surface of the plurality of sets optical sensors and each optical filter of the optical filter array is configured to pass a target wavelength range of light to a set of optical sensors. The processor is configured to receive an output from each optical sensor in a set of optical sensors and determine a corrected filter response for the set of optical sensors using crosstalk from light transmitted through optical filters adjacent to the set of optical sensors.

Spectral sensor system with spatially modified center wavelengths

An spectral sensor system includes an array of optical sensors arranged on an integrated circuit, an interface between the plurality of optical sensors and a first processing device, a plurality of sets of optical filters configured as a layer located atop the plurality of optical sensors, with each set of optical filters including a plurality of optical filters, each optical filter configured to pass light in a different wavelength range. The spectral sensor system includes a memory configured to interface with the first processing device, the memory configured to store calibration data associated with the plurality of sets of optical sensors. The spectral sensor system further includes second processing device includes an artificial neural network configured to correct a spectral response generated by the plurality of optical sensors and an interface between the first processing device and the second processing device is configured to transmit information therebetween.

Growing community of inventors

Keerbergen, Belgium

Ward Van Der Tempel