Abstract: The invention relates to a method for mitigating flickering lights in a scene of interest imaged by an event-based camera, wherein the event-based camera comprises a plurality of pixels, wherein an imaging behaviour of the plurality of pixels is influenced by a set of pixel parameters comprising at least one exposure time parameter and/or at least one digital accumulation parameter, and wherein the method comprises the following steps: 1) operating the event-based camera having an assignment of first values to the set of pixel parameters, said operating providing a plurality of events generated by the event-based camera; 2) reconstructing an image based on at least the generated plurality of events, 3) determining at least one region in the reconstructed image, said determined at least one region corresponding to at least one spatial region in the scene of interest comprising at least one flickering light source active during the operating of the event-based camera, 4) determining a subset of pixel parameters

Abstract: An eye tracking device that includes: an event-based optical sensor configured to receive radiation reflected off an eye of a user and produce a signal stream of events, each event corresponding to detection of a temporal change in the received radiation at pixels of the sensor; glint sources configured to send radiation to the eye that is reflected off the cornea and received by the sensor in the form of individual glints; a controller connected to the sensor and configured to receive the signal stream from the sensor and to generate: gaze information of the eye and first glint information of the glints, at a first instant of time; and second glint information of the glints at a second instant of time that is later than the first instant of time. The controller is configured to generate predicted gaze information at the second instant of time.

Abstract: An event sensor and a method for producing a signal stream of event data in reaction to light incident on a pixel array. The event sensor includes: for each pixel of the array, a photodetector configured to produce a detector signal in reaction to light incident on the pixel; for each pixel or a group of the pixels a signal converter connected to the photodetector and configured to repeatedly produce and store digital sample values dependent on the detector signal sampled at sampling intervals; and a readout processor connected to the signal converter. The readout processor is configured: to derive a digital accumulated pixel value based on the sample values, wherein the accumulated pixel value corresponds to an accumulation of the detector signal over a sampling count of the sampling intervals; and to generate a pixel event of the event data dependent on the accumulated pixel value and sampling count.

Abstract: A method for transmitting a binary data sequence having at least two binary values from an information source to an information destination.

Abstract: An eye tracking device including an event-based optical sensor, configured to receive radiation reflected off an eye of a user and produce a signal stream of events, each event corresponding to detection of a temporal change in the received radiation at one or more pixels of said optical sensor, and a controller, which is connected to said optical sensor and configured to: a) receive the signal stream of events from the optical sensor, b) generate an inference frame based on the stream of events, c) utilize the inference frame as input to a machine learning module and operate the machine learning module to obtain output data, and e) extract from the output data information related to the eye of the user, wherein the controller is configured to generate the inference frame utilizing a first artificial neural network.

Abstract: An event sensor including a pixel array and configured to produce a signal stream comprising event data in reaction to light incident on the pixel array. The event sensor includes: for each pixel of the pixel array a photovoltaic converter and an electronic converter connected to the photovoltaic converter. The photovoltaic converter and the electronic converter are configured to produce and store a digital current pixel value, which is dependent on the intensity of light incident on the photovoltaic converter; for each pixel of the pixel array a corresponding multi-bit digital storage configured to store a previous pixel value; and a readout processor connected to the electronic converter and the multi-bit digital storage and configured to generate a pixel event value of the event data based on a pixel subtraction result of subtracting the previous pixel value from the current pixel value.

Abstract: A switched capacitor circuit, including a metal-oxide-semiconductor field-effect transistor-based switch comprising: a first metal-oxide-semiconductor field-effect transistor having a gate, a source and a drain, wherein the source is connected to a first node and the drain is connected to a second node or wherein the drain is connected to the first node and the source is connected to the second node; a second metal-oxide-semiconductor field-effect transistor having a gate, a source and a drain, wherein the source is connected to the drain and the source and the drain are together connected to the second node; a first capacitor connected between the first node and a third node; and a second capacitor connected between the second node and the third node.

Abstract: A photoarray for detecting time-dependent image data, comprising an array of multiple device cells, wherein each device cell comprises a group of photosensors, each photosensor configured to generate an analog sensor signal dependent on a light intensity at said photosensor, for each photosensor a pixel encoding circuit configured to transform the analog sensor signal generated by said photosensor into a digital pixel information stemming from said photosensor, and a processing unit, which comprises a correlation logic configured to correlate said pixel information stemming from the photosensors of said group of photosensors and to produce as a result a request signal indicating that said cell contains pixel information to be read and/or a pass signal utilized in the processing unit to allow pixel information contained in said cell to be transmitted.

Abstract: An image sensor for detecting time-dependent image data, comprising multiple photovoltaic converters and multiple electronic converters arranged in arrays and linked by switching elements. Each of the photovoltaic converters and one of the electronic converters form a pair that generates digital information dependent on light intensity on the photovoltaic converter. The switching elements are arranged to selectively connect at least two of the photovoltaic converters to one of the electronic converters and at least two of the electronic converters to one of the photovoltaic converters.

Abstract: A device for controlling a transfer of information from a plurality of electronic components through a communication bus to a host device, comprising a chain of processing blocks connected to the electronic components, each of the processing blocks associated with one, or a set, of the electronic components, which processing blocks are arranged such that during the transfer of information an authorization signal propagates through the chain of processing blocks and, when the authorization signal encounters a processing block associated with one of the electronic components or one of the sets of electronic components which contains an information value to be transferred, effecting the transfer of the information value through the communication bus to the host device. The processing blocks are arranged to coordinate their processing in accordance with a clock signal generated independent of a propagation status of the authorization signal within the chain of processing blocks.