Abstract: In one embodiment, a method includes, by an electromagnetic device, emitting optical radiation on one or more objects disposed inside an interior of the electronic device, where the optical radiation is emitted by one or more radiation sources, capturing a set of 2D images of the one or more objects illuminated by the optical radiation, where variation of illumination or of an imaging process permits the set of 2D images to be combined into a representation of the one or more objects, determining whether the set of images comprises a representation of the one or more objects as imaged, in response to determining that the set of images comprises a representation of the one or more objects as imaged, generating a three-dimensional (3D) spectral data cube of the one or more first objects based on spectral information of the first set of images, and storing the 3D spectral data cube for processing by the electronic device.

Abstract: A method includes capturing, by a camera disposed behind a display panel of the electronic device, a plurality of images at a plurality of exposures, respectively. One or more captured images include one or more flare artifacts. The method further includes generating a high dynamic range (HDR) image by fusing the captured images. The method further includes accessing a HDR point spread function (PSF) from a memory of the electronic device. The HDR PSF may be generated, at an initial camera calibration stage, by fusing a plurality of PSFs captured at the plurality of exposures, respectively. The method further includes generating, using an image deconvolution technique, a reconstructed image with flare artifacts mitigated based on the HDR image and the HDR PSF.

Abstract: In one embodiment, a method includes, by an electromagnetic device, emitting optical radiation on one or more objects disposed inside an interior of the electronic device, where the optical radiation is emitted by one or more radiation sources, capturing a set of 2D images of the one or more objects illuminated by the optical radiation, where variation of illumination or of an imaging process permits the set of 2D images to be combined into a representation of the one or more objects, determining whether the set of images comprises a representation of the one or more objects as imaged, in response to determining that the set of images comprises a representation of the one or more objects as imaged, generating a three-dimensional (3D) spectral data cube of the one or more first objects based on spectral information of the first set of images, and storing the 3D spectral data cube for processing by the electronic device.

Abstract: A method includes capturing, by a camera disposed behind a display panel of the electronic device, a plurality of images at a plurality of exposures, respectively. One or more captured images include one or more flare artifacts. The method further includes generating a high dynamic range (HDR) image by fusing the captured images. The method further includes accessing a HDR point spread function (PSF) from a memory of the electronic device. The HDR PSF may be generated, at an initial camera calibration stage, by fusing a plurality of PSFs captured at the plurality of exposures, respectively. The method further includes generating, using an image deconvolution technique, a reconstructed image with flare artifacts mitigated based on the HDR image and the HDR PSF.

Abstract: In one embodiment, a method includes, by an electromagnetic device, accessing multiple previously recorded heating maps corresponding to a load disposed inside a cavity, where each heating map indicates a temperature profile change of the load as a function of one or more control parameter configurations, accessing a target temperature profile of the load, measuring a current temperature profile of the load, calculating a difference in temperature profiles between the current temperature profile of the load and the target temperature profile of the load, determining a first sequence of control parameter configurations to heat the load, wherein the first sequence is optimized to yield a temperature rise that achieves the target temperature profile of the load, emitting electromagnetic radiation into the cavity based on the first sequence of control parameter configurations.

Abstract: A wearable audio device includes a microphone, a speaker, and a hardware processor. The microphone is configured to receive external audio. The speaker configured to produce internal audio. The hardware processor is operably connected to the microphone and speaker. A comparison of the external audio to the internal audio is performed, and a notification is generated based upon the comparison determining that the external audio matches the internal audio.

Abstract: In one embodiment, a method includes, by an electromagnetic device, generating an initial map of a temperature profile of a load disposed inside a cavity, emitting electromagnetic radiation into the cavity based on initial control parameter configurations, where a change in temperature of the load during the emission is measured by one or more sensors, generating updated maps of electromagnetic energy absorbed by the load based on the measured change in temperature of the load, where the updated maps comprise an indication of a spatial heating rate within the load, determining a sufficient number of the updated maps of electromagnetic energy absorbed by the load disposed inside the cavity have been measured, and, in response to determining that a sufficient number of the one or more updated maps of electromagnetic energy have been measured, storing the updated maps of electromagnetic energy absorbed by the load.

Abstract: In one embodiment, a method for controlling air quality in an unenclosed kitchen environment by a ventilation system includes determining an environmental state of the kitchen environment based on sensor data from sensors associated with the ventilation system, determining a current air quality of the kitchen environment based on the sensor data, determining adjustments for system-boundaries or air-manipulating devices associated with the ventilation system based on the current air quality and the environmental state, wherein the adjustments are configured to facilitate a target air quality of the kitchen environment; and adjusting the system-boundaries or air-manipulating devices associated with the ventilation system based on the determined adjustments.

Abstract: A method includes capturing, by a camera disposed behind a display panel of an electronic device, a plurality of point spread functions (PSFs) through a semi-transparent pixel region of the display panel. Each of the plurality of PSFs is captured at a different exposure time. The method further includes generating an intensity dataset corresponding to the plurality of PSFs, the intensity dataset comprises a plurality of pixel location and a plurality of exposure times associated with the respective pixel locations, calculating a plurality of noise statistics values for the plurality of pixel locations of the intensity dataset, respectively, generating a pixel mask, the pixel mask filters the plurality of pixel locations for pixel locations with respective noise statistics values within a particular threshold, generating one or more high dynamic range (HDR) PSFs utilizing the plurality of PSFs and the pixel mask.

Abstract: A method by an electromagnetic device includes determining a pattern of electromagnetic energy absorbed by a load disposed inside a cavity into which electromagnetic radiation is directed and generating one or more maps of the pattern of electromagnetic energy absorbed by the load. The one or more maps comprises an indication of a distribution of heating within the load. The method further includes determining, based on the one or more maps, a plurality of sequences of operating parameter combinations configured so as to heat the load via absorption of the electromagnetic radiation in accordance with a target temperature profile with respect to the load. The method thus includes emitting electromagnetic radiation into the cavity based on the plurality of sequences of operating parameter combinations to achieve the target temperature profile with respect to the load.

Abstract: A method includes capturing, by a camera disposed behind a display panel of an electronic device, a plurality of point spread functions (PSFs) through a semi-transparent pixel region of the display panel. Each of the plurality of PSFs is captured at a different exposure time. The method further includes generating an intensity dataset corresponding to the plurality of PSFs, the intensity dataset comprises a plurality of pixel location and a plurality of exposure times associated with the respective pixel locations, calculating a plurality of noise statistics values for the plurality of pixel locations of the intensity dataset, respectively, generating a pixel mask, the pixel mask filters the plurality of pixel locations for pixel locations with respective noise statistics values within a particular threshold, generating one or more high dynamic range (HDR) PSFs utilizing the plurality of PSFs and the pixel mask.

Abstract: A method includes capturing, by a camera disposed behind a display panel of an electronic device, a plurality of point spread functions (PSFs) through a semi-transparent pixel region of the display panel. Each of the plurality of PSFs is captured at a different exposure time. The method further includes determining, for each of the PSFs, pixel intensity data for each of a plurality of pixel locations of the PSF. The pixel intensity data is associated with the exposure time of the respective PSF. The method further includes calculating, for each pixel location, a weighted average pixel intensity value based on the pixel intensity data and the exposure time for the respective pixel location over the plurality of PSFs, and generating a high dynamic range (HDR) PSF utilizing the weighted average pixel intensity values.

Abstract: An atomic magnetometer system includes a laser system, a cell, and an optics setup. The laser system is configured to generate a pump beam and a probe beam. The cell encloses an atomic vapor. The optics setup is configured to route the pump beam and the probe beam. The pump beam propagates along a path through the atomic vapor and the probe beam also propagates substantially along the path through the atomic vapor. The pump beam and the probe beam traverse the atomic vapor along two or more non-parallel directions. The interaction of the pump beam with the atomic vapor is modulated at or near harmonics of a magnetic resonance frequency.

Abstract: A device for preparing an ensemble of laser-cooled atoms and measuring their population includes a laser and a set of reflecting surfaces. The laser is able to produce a laser beam. The set of reflecting surfaces disposed to direct the laser beam along a multi-dimensional beam path to intersect a central space multiple times from different directions and retroreflect the laser beam to retrace the multi-dimensional beam path. The central space is able to have an ensemble of atoms or molecules. The atoms or the molecules are able to be cooled along one or more dimensions by the laser beam sent along the multi-dimensional beam path and able to be detected in the central space by an effect upon the laser beam sent along the multi-dimensional beam path.

Abstract: An atomic oscillator device includes an atomic oscillator, a controlled oscillator, a resonance controller, and a cold-atom clock output. The atomic oscillator comprises a two-dimensional optical cooling region (2D OCR) for providing a source of atoms and a three-dimensional optical cooling region (3D OCR) for cooling and/or trapping the atoms emitted by the 2D OCR. The atomic oscillator comprises a microwave cavity surrounding the 3D OCR for exciting an atomic resonance. The controlled oscillator produces an output frequency. The resonance controller is for steering the output frequency of the controlled oscillator based on the output frequency and the atomic resonance as measured using an atomic resonance measurement. The cold-atom clock output is configured as being the output frequency of the controlled oscillator.

Abstract: A laser system for atomic clocks and sensors includes a single laser, an intensity splitter, a modulator, and a feedback-based lock controller. The single laser outputs a central optical frequency of laser light that can be tuned. The intensity splitter splits the laser light along a first and a second optical path. A modulator is disposed in the first optical path. The portion of laser light from the first optical path is subjected to the modulator with the modulator disposed to generate a frequency-shifted sideband from some or all of the portion of the laser light subjected to the modulator, with the frequency-shifted sideband shifted by an adjustable frequency source, resulting in an adjustable frequency offset between the frequency-shifted sideband and an unmodulated carrier propagating in the second optical path. The feedback-based lock controller locks the optical frequency of the frequency-shifted sideband to a repumping transition for atom cooling.

Abstract: An atomic oscillator device includes an atomic oscillator, a controlled oscillator, a resonance controller, and a cold-atom clock output. The atomic oscillator comprises a two-dimensional optical cooling region (2D OCR) for providing a source of atoms and a three-dimensional optical cooling region (3D OCR) for cooling and/or trapping the atoms emitted by the 2D OCR. The atomic oscillator comprises a microwave cavity surrounding the 3D OCR for exciting an atomic resonance. The controlled oscillator produces an output frequency. The resonance controller is for steering the output frequency of the controlled oscillator based on the output frequency and the atomic resonance as measured using an atomic resonance measurement. The cold-atom clock output is configured as being the output frequency of the controlled oscillator.