Abstract: A magnetic confinement fusion reactor includes a host hall, and a host including a Dewar system, a cold shield system, a superconducting magnet system, a vacuum chamber system, a divertor system, a blanket system, a remote operation system, and a maintenance system. The superconducting magnet system includes a central solenoid magnet, a poloidal field magnet, and a toroidal field magnet. The central solenoid magnet is configured to provide necessary volt-seconds. The poloidal field magnet is configured to generate a poloidal magnetic field. The toroidal field magnet is configured to generate a toroidal magnetic field. The plasma is confined by the toroidal magnetic field and the poloidal magnetic field. The vacuum chamber system is provided with a neutron shielding block to protect the superconducting magnets from being damaged by fusion neutrons.

Abstract: Embodiments of the present disclosure include a photodiode that can detect optical radiation at a broad range of wavelengths. The photodiode can be used as a detector of a non-invasive sensor, which can be used for measuring physiological parameters of a monitored patient. The photodiode can be part of an integrated semiconductor structure that generates a detector signal responsive to optical radiation at both visible and infrared wavelengths incident on the photodiode. The photodiode can include a layer that forms part of an external surface of the photodiode, which is disposed to receive the optical radiation incident on the photodiode and pass the optical radiation to one or more other layers of the photodiode.

Abstract: The present application discloses an automatic fire extinguishing system for an electric vehicle parking space, including a thermal runaway isolation system, and further including a detection system, a medium system, and a fire control access system. The detection system is installed inside a battery pack of an electric vehicle and performs fire monitoring inside the battery pack. One end of the fire control access system extends into a vehicle body of the electric vehicle and is joined to the inside of the battery pack, and the other end of the fire control access system extends out of the vehicle body of the electric vehicle and is communication with the medium system. The medium system is disposed outside an electric vehicle parking space. The fire control access system includes a transfer pipe and a quick insertion joint mechanism. Existing “afterward fire extinguishing” in the technical status in the background is resolved.

Abstract: A computerized method of pose detection of a person in a vehicle includes receiving, from an on-board camera of the vehicle, an image of an interior of the vehicle showing a seat of the vehicle occupied by the person. The computerized method includes obtaining at least one first characteristic of a first face bounding area and a first body bounding area associated with the occupied seat of the vehicle. The computerized method includes determining a second body bounding area and an associated second face bounding area of the person from the image. The computerized method includes determining at least one second characteristic of the second face bounding area and the second body bounding area. The computerized method includes determining a pose of the person based on the at least one second characteristic and on the at least one first characteristic.

Abstract: Embodiments of the present disclosure include a photodiode that can detect optical radiation at a broad range of wavelengths. The photodiode can be used as a detector of a non-invasive sensor, which can be used for measuring physiological parameters of a monitored patient. The photodiode can be part of an integrated semiconductor structure that generates a detector signal responsive to optical radiation at both visible and infrared wavelengths incident on the photodiode. The photodiode can include a layer that forms part of an external surface of the photodiode, which is disposed to receive the optical radiation incident on the photodiode and pass the optical radiation to one or more other layers of the photodiode.

Abstract: Computer implemented method for detecting an occupancy of a seat within a vehicle cabin, the method comprising capturing, by means of an imaging device, an image of the vehicle cabin, identifying, by means of the processing device, a set of characteristics associated with a seat in the captured image, determining, by means of the processing device, a region associated with the identified seat based on the set of characteristics, wherein the region is configured to cover at least a portion of the seat; and determining a seat occupancy status of the seat by processing information obtained from the corresponding region.

Abstract: Computer implemented method for detecting a type of seat occupancy, comprising capturing, by means of an imaging device, an image of a seat, the image comprising depth data and intensity data, performing, by means of a processor device, a classifier algorithm on the captured image to determine a level of occupancy, wherein, if the determination indicates that the level of occupancy is above a predetermined threshold, the method comprises processing, by means of the processor device, the depth data with a convolutional neural network, to determine a type of occupation and wherein, if the determination indicates that the level of occupancy is below a predetermined threshold, the method comprises processing, by means of the processor device, the intensity data with a convolutional neural network to determine a type of occupation.

Abstract: Computer implemented method for detecting an occupancy of a seat, comprising capturing, by means of an imaging device, a first image of a seat, the image comprising depth data, determining, by means of a processing device, a first height profile along a first line in the first image from the depth data, and comparing, by means of the processing device, the first height profile with a first reference height profile taken along the same first line to determine whether the seat is occupied.

Abstract: The present disclosure describes a method for occupancy class prediction, such as for occupancy class detection in a vehicle. In aspects, the method includes determining, for a plurality of points of time, measurement data related to an area and determining, for a plurality of points of time, occlusion values based on the measurement data. The method further includes selecting, for a present point of time, one of a plurality of modes for occupancy class prediction based on the occlusion values for at least one of the present point of time and a previous point of time and/or based on one of the plurality of modes for occupancy class prediction selected for the previous point of time. The method additionally includes determining, for the present point of time, one of a plurality of predetermined occupancy classes of the area based on the selected mode for the present point of time.

Abstract: The present disclosure describes a method for occupancy class prediction, such as for occupancy class detection in a vehicle. In aspects, the method includes determining, for a plurality of points of time, measurement data related to an area and determining, for a plurality of points of time, occlusion values based on the measurement data. The method further includes selecting, for a present point of time, one of a plurality of modes for occupancy class prediction based on the occlusion values for at least one of the present point of time and a previous point of time and/or based on one of the plurality of modes for occupancy class prediction selected for the previous point of time. The method additionally includes determining, for the present point of time, one of a plurality of predetermined occupancy classes of the area based on the selected mode for the present point of time.

Abstract: A method and apparatus for optimizing a lens of a virtual reality device and a computer readable storage medium. The method for optimizing a lens of a virtual reality device includes setting an optimization objective and optimization variables for imaging with a lens; and performing optimization processing on the imaging of an object point through the lens by the optimization variables, and obtaining a lens parameter value by which the imaging result is in accordance with the optimization objective, an image surface of the imaging of the object point through the lens being an image surface on which the astigmatism is less than a preset threshold.

Abstract: The present disclosure relates to the field of augmented reality technology, and provides a display device that includes a display configured to display an image and a movement controller configured to control a movement state of the display device according to displacement instruction information such that the display and a target object conform to a mutual position relationship.

Abstract: An optical waveguide element and control method thereof, a backlight module and a display device. The optical waveguide element includes a cavity, a light incident surface and a light emergent surface, light entering the cavity from the light incident surface is configured to propagate and be totally reflected in the cavity; and a reflector array, located in the cavity and configured to be controllable to cause at least a part of the light incident on the reflector array to be reflected out of the light emergent surface or to continue being totally reflected at the light emergent surface.

Abstract: A three-dimensional reconstruction system includes an infrared light source array including a plurality of infrared sub-light sources, and each of the infrared sub-light sources emitting an infrared light, and different infrared sub-light sources being coherent light sources, an infrared detector configured to receive an infrared light reflected from a target object, the reflected infrared light being a reflected light of an interference beam emitted by the coherent light source, a calculation circuit, configured to calculate a reference distance between a reflection point on the target object and the infrared sub-light source according to the reflected infrared light and the infrared light emitted by the infrared sub-light source, and a three-dimensional reconstruction circuit, configured to perform reconstruction of a three-dimensional image on the target object according to the plurality of reference distances.

Abstract: A display device and a display method thereof, and a display equipment are disclosed. The display device includes a display panel and a light transmittance adjusting layer, the display panel includes a plurality of pixel regions, the light transmittance adjusting layer is stacked with the display panel, and the light transmittance adjusting layer is configured to adjust display brightness of the plurality of pixel regions.

Abstract: The present disclosure relates to augmented reality glasses, including: a transparent display device for displaying an image; a polarizing element configured to convert external light incident to the transparent display device into polarized light in the first direction of the external light, which polarized light transmits through the transparent display device; a light-splitting element configured to transmit polarized light in the first direction of light for displaying the image and polarized light in the first direction of the external light, and reflect polarized light in the second direction of the light for displaying the image; and a light-reflecting structure configured to receive the polarized light in the second direction reflected by the light-splitting element and totally reflect it into a viewing angle range of eyes of a user wearing the augmented reality glasses. The glasses will not block the line of sight on the side of the user.

Abstract: A VR lens structure and a display device are provided. The VR lens structure includes a first lens and a second lens disposed opposite to each other. The first lens is provided with a first side surface and a second side surface which are disposed opposite to each other, and at least one of the first side surface and the second side surface is an aspheric surface. The second lens is a Fresnel lens, a smooth surface of the second lens is disposed proximal to the second side surface, and a Fresnel surface of the second lens is disposed farther away from the second side surface than the smooth surface.

Abstract: The present disclosure provides an optical lens, glasses and a display device. The optical lens includes: a first surface, a second surface, a first lens portion and a second lens portion. The optical lens is a convex lens. The first surface and the second surface are at two side surfaces of the optical lens. The first surface is a convex aspheric surface, and the second surface is a Fresnel surface with a recessed curved base. The first lens portion and the second lens portion are adjacent each other and connected in a direction perpendicular to a main optical axis of the optical lens. A first focal point of the first lens portion and a second focal point of the second lens portion are on the main optical axis, and a focal length of the second lens portion is greater than a focal length of the first lens portion.