Abstract: A computer-implemented method and a system for training a computer-based autonomous driving model used for an autonomous driving operation by an autonomous vehicle are described. The method includes: creating time-dependent three-dimensional (3D) traffic environment data using at least one of real traffic element data and simulated traffic element data; creating simulated time-dependent 3D traffic environmental data by applying a time-dependent 3D generic adversarial network (GAN) model to the created time-dependent 3D traffic environment data; and training a computer-based autonomous driving model using the simulated time-dependent 3D traffic environmental data.

Abstract: Disclosed is a gearbox for rail vehicle, a bogie for rail vehicle and a rail vehicle. The gearbox for rail vehicle includes a primary gearbox (1) configured to connect with a traction motor, and a secondary gearbox (2) arranged on both sides of the primary gearbox (1) along a longitudinal direction of the rail vehicle, wherein a framework bearing beam is formed by connecting the primary gearbox (1) and the secondary gearbox (2), the primary gearbox (1) is configured to transmit power from the traction motor to the secondary gearbox (2), and the secondary gearbox (2) are configured to transmit power from the primary gearbox (1) to wheelsets of the rail vehicle.

Abstract: The present invention relates to the manufacture of Josephson junctions. Such Josephson junctions may be suitable for use in qubits. High-quality, potentially monocrystalline, electrode and dielectric layers are formed using blanket deposition. Subsequently, the structure of one of more Josephson junctions is formed using multi-photon lithography to create openings in a resist followed by etching the electrode and dielectric layers.

Abstract: A three-dimensional superconducting qubit and a method for manufacturing the same are disclosed. In an example, a three-dimensional superconducting qubit comprises a structural base comprising one or more insulating materials, and superconductive patterns on surfaces of the structural base. The superconductive patterns form at least a capacitive part and an inductive part of the three-dimensional superconducting qubit. A first surface of the surfaces of the structural base defines a first plane and a second surface of the surfaces of the structural base defines a second plane, the second plane being oriented differently than the first plane. At least one superconductive pattern of the superconductive patterns extends from the first surface to the second surface.

Abstract: An adaptive filter system and a method for controlling the adaptive filter system are described herein. The system can includes one or more filters to attenuate incoming light. The one or more filters can be moved by one or more actuators. The method can capture image data from an imaging device through the one or more filters. Information can be determined from the captured image data. The one or more filters can be moved to a position for capturing image data based on the information.

Abstract: A quantum computing circuit is disclosed herein. An example quantum computing circuit includes a first chip with at least one qubit thereon. The quantum computing circuit also includes a second chip with at least other quantum circuit elements other than qubits thereon. The first chip and the second chip are stacked together in a flip-chip configuration and attached to each other with bump bonding that includes bonding bumps.

Abstract: The present disclosure provides a method in a network device. The method includes: obtaining a node configuration associated with a set of Transmitting/Receiving Points, TRPs; selecting, from the set of TRPs, one or more IAB TRPs associated with a terminal device based on the node configuration and similarity metrics between an initial position estimate and historical positioning results for the terminal device; and transmitting a measurement request to a serving TRP associated with the terminal device and each of the one or more IAB TRPs; receiving, from each of the serving TRP and at least one of the one or more IAB TRPs, a measurement report indicating a Timing Advance, TA, associated with that TRP and the terminal device.

Abstract: An arrangement, an apparatus, a quantum computing system, and a method are disclosed for reducing qubit leakage errors. In an example, an apparatus includes a qubit having a ground state and a plurality of excited states. The plurality of excited states include a lowest excited state. An energy difference between the ground state and the lowest excited state corresponds to a first frequency, and an energy difference between the lowest excited state and another excited state in the plurality of excited states corresponds to a second frequency. The apparatus also includes an energy dissipation structure to dissipate transferred energy, and a filter having a stopband and a passband. The filter is coupled to the qubit and to the energy dissipation structure. The stopband includes the first frequency and the passband includes the second frequency for reducing qubit leakage errors.

Abstract: A method, system, and arrangement for resetting qubits are disclosed. An example system includes one or more quantum circuit refrigerators for resetting qubits. Each of the quantum circuit refrigerators includes a tunneling junction and a control input for receiving a control signal. Photon-assisted single-electron tunneling takes place across the respective tunneling junction in response to a control signal. Capacitive or inductive coupling elements between the qubits and the quantum circuit refrigerators couple each qubit to the quantum circuit refrigerator(s). The qubits, quantum circuit refrigerators, and coupling elements are located in a cryogenically cooled environment. A common control signal line to the control inputs crosses into the cryogenically cooled environment from a room temperature environment.

Abstract: A method for positioning is proposed. The method which may be implemented in a network node comprises obtaining first measurement information for positioning a terminal device. The method further comprises identifying a match with the first measurement information from reference data. The reference data comprises, for each of a plurality of predefined locations, second measurement information which is collected for a reference device by using multi-antenna technology. The method further comprises determining a three-dimensional position of the terminal device, based at least in part on the second measurement information matched with the first measurement information.

Abstract: An airbridge implements connections on a superconducting chip. It comprises a strip of superconductive material between a first superconductive area and a second superconductive area. A first end of said strip comprises a first planar end portion attached to and parallel with said first superconductive area, and a second end of said strip comprises a respective second planar end portion. A middle portion is located between said first and second planar end portions, forming a bend away from a plane defined by the surfaces of the first and second superconductive areas. First and second separation lines separate the end portions from the middle portion. At least one of said first and second separation lines is directed otherwise than transversally across said strip.

Abstract: A sample cell is provided for holding a sample to be placed in a cryogenically cooled environment. The sample cell comprises an airtight, openable and closable enclosure. Within said enclosure is a sample base for receiving the sample. A refrigerator attachment is provided for attaching the sample cell to a refrigerated body of a cryogenically cooled environment. The sample cell comprises a thermal connection between the sample base and the refrigerator attachment. One or more airtight connectors are provided for establishing electric connections between inside and outside of said enclosure.

Abstract: A system, method and computer-readable medium for data protection simulation and optimization in a computer network, including grouping data stored in data stores in the computer network into groupings according to an architectural or a conceptual attributes, storing, current values of risk metrics for each grouping, each of the metrics corresponding to sensitive domains, receiving a risk reduction goal corresponding to at least one risk metric in the risk metrics, the at least one risk metric corresponding to at least one sensitive domain in the sensitive domains, determining a simulated value of the at least one risk metric for each grouping in the groupings by simulating application of a protection mechanism to sensitive data in each corresponding data store, the sensitive data corresponding to the at least one sensitive domain, and ranking the groupings based on the at least one simulated value of the at least one risk metric for each grouping.

Abstract: The present application provides a multi-frame quality enhancement method and device for a lossily compressed video. The method comprises: performing quality enhancement on the i-th frame of a decompressed video stream using m frames correlated with the i-th frame to play the i-th frame with enhanced quality. The m frames are frames in the video stream. The number of the same pixels or corresponding pixels of each of the m frames and the i-th frame is greater than a preset threshold. m is a natural number greater than 1. In an implementation, a non-peak-quality frame positioned between two peak quality frames may be enhanced using the peak quality frames. The method may mitigate the quality fluctuation across a plurality of frames for providing playback of the video stream and may improve the quality of all frames in the video after the lossy compression.

Abstract: Systems and methods are provided for segmenting a data frame to be acquired into a number of incremental data of equal data length. A first incremental data of the data frame can be acquired from one or more sensors. The first incremental data of the data frame can be processed while a next incremental data of the data frame is being acquired from the one or more sensors. The acquiring and processing of incremental data of the data frame can continue until a last incremental data of the data frame is acquired and processed. Processed incremental data can be outputted as a processed data frame.

Abstract: A computer-implemented method and a system for training a computer-based autonomous driving model used for an autonomous driving operation by an autonomous vehicle are described. The method includes: creating time-dependent three-dimensional (3D) traffic environment data using at least one of real traffic element data and simulated traffic element data; creating simulated time-dependent 3D traffic environmental data by applying a time-dependent 3D generic adversarial network (GAN) model to the created time-dependent 3D traffic environment data; and training a computer-based autonomous driving model using the simulated time-dependent 3D traffic environmental data.

Abstract: The present application provides a multi-frame quality enhancement method and device for a lossily compressed video. The method comprises: performing quality enhancement on the i-th frame of a decompressed video stream using m frames correlated with the i-th frame to play the i-th frame with enhanced quality. The m frames are frames in the video stream. The number of the same pixels or corresponding pixels of each of the m frames and the i-th frame is greater than a preset threshold. m is a natural number greater than 1. In an implementation, a non-peak-quality frame positioned between two peak quality frames may be enhanced using the peak quality frames. The method may mitigate the quality fluctuation across a plurality of frames for providing playback of the video stream and may improve the quality of all frames in the video after the lossy compression.

Abstract: An adaptive filter system and a method for controlling the adaptive filter system are described herein. The system can includes one or more filters to attenuate incoming light. The one or more filters can be moved by one or more actuators. The method can capture image data from an imaging device through the one or more filters. Information can be determined from the captured image data. The one or more filters can be moved to a position for capturing image data based on the information.

Abstract: Systems, methods, and non-transitory computer readable media may be configured to characterize optical characteristics of optical elements. An optical element mount may be configured to carry an optical element. A calibration display may be configured to display a calibration object. The calibration object may include a known visual pattern. Multiple images of the calibration object may be obtained. The multiple images may be acquired using the optical element carried by the optical element mount. The multiple images may include different perspectives of the calibration object. Optical characteristics of the optical element may be characterized based on the known visual pattern and the different perspectives of the calibration object.

Abstract: A computer-implemented method and a system for training a computer-based autonomous driving model used for an autonomous driving operation by an autonomous vehicle are described. The method includes: creating time-dependent three-dimensional (3D) traffic environment data using at least one of real traffic element data and simulated traffic element data; creating simulated time-dependent 3D traffic environmental data by applying a time-dependent 3D generic adversarial network (GAN) model to the created time-dependent 3D traffic environment data; and training a computer-based autonomous driving model using the simulated time-dependent 3D traffic environmental data.