Abstract: In a technique for monitoring a state of a battery, battery monitoring information is acquired via wireless communication from monitoring devices that acquire the battery monitoring information from the battery. A predetermined process is executed based on the battery monitoring information. Instructions are transmitted to the monitoring devices via unicast communication and broadcast communication within a communication cycle. The instructions include an instruction transmitted via the unicast communication to each of the monitoring devices about acquisition of the battery monitoring information, and an instruction transmitted via the broadcast communication to the monitoring devices about a timing of acquisition of the battery monitoring information.

Abstract: An electronic device includes a battery device, a capacity measuring unit, and a microprocessor. The battery device outputs its remaining capacity and fully charged capacity. The capacity measuring unit includes a sensing resistor, measures the battery current of the battery device using the sensing resistor, and integrates the battery current to obtain the actual capacity. The microprocessor stores the fully charged capacity. When the battery device is in a specific state, the microprocessor calculates the capacity difference between the remaining capacity and the actual capacity. The microprocessor calibrates the fully charged capacity according to the ratio of the capacity difference to the remaining capacity.

Abstract: An apparatus for measuring voltage in a battery including battery cells connected in series includes a positive voltage sensing circuit to detect each voltage of the battery cells, received through sensing terminals, within a positive voltage range, a reverse voltage protection circuit including protection circuits, the printed circuits including first ends respectively connected to the plurality of sensing terminals different from each other, and second ends connected to each other, a boosting resistor including a first end connected to at least one electrode of the battery, and a reverse voltage sensing circuit to detect a voltage between the first node at which the second ends of the protection circuits are connected to each other and a second node to which a second end of the boosting resistor is connected, and based on the detection, output a signal indicating whether a reverse voltage is generated in the battery.

Abstract: A method for operating an electrochemical energy storage system with a plurality of electrochemical energy stores.

Abstract: A battery pack includes a group of cells, a current path switch coupled to the group of cells, and a current monitoring system. The current monitoring system includes a signal detection unit, a logic unit and a current path control unit. The signal detection unit is coupled to the group of cells and/or a positive terminal of the battery pack, and used to detect at least one voltage signal of the group of cells and/or of the positive terminal of the battery pack. The logic unit is coupled to the signal detection unit, and used to generate a calculated value of a voltage signal of the at least one voltage signal and generate a logic signal according to the calculated value. The current path control unit is coupled to the logic unit and the current path switch, and used to control the current path switch according to the logic signal.

Abstract: Disclosed are an arc discharge detection method and device for a battery system, and a battery energy storage system. The arc discharge detection method for a battery system comprises: sampling a terminal voltage and a charging and discharging current of a battery system, sampling the terminal voltage of the battery system twice and calculating a first voltage difference value, and sampling the terminal voltage of the battery system and a terminal voltage of an electricity load and calculating a second voltage difference value; performing time domain and frequency domain analysis on the sampled data to obtain corresponding time domain and frequency domain feature values; and on the basis of the time domain and frequency domain feature values and the first and second voltage difference values, determining whether arc discharge features are met, so as to determine whether an arc discharge fault occurs in the battery system.

Abstract: A jig for impedance measurement of a battery cell includes: a jig body configured to receive a battery cell in a longitudinal direction; a first bus bar installed on a first side of the jig body, the first bus bar being configured to couple to a first lead part of the battery cell; a second bus bar installed on a second side of the jig body, the second bus bar being configured to couple to a second lead part of the battery cell; an impedance measuring board in the jig body; and a conducting line for impedance measurement connecting the first bus bar, the impedance measuring board, and the second bus bar to constitute an impedance measuring circuit. A part of the conducting line for impedance measurement faces a surface of the battery cell and extends in the longitudinal direction of the battery cell.

Abstract: A method for estimating the State of Health (SoH) of a rechargeable battery. The method may include obtaining a first value of State of Charge of the battery and subjecting the battery to a DC power charging. The method may further include after having performed the DC power charging, obtaining a second value of State of Charge of the battery and computing energy provided to the battery. The method may further include computing the State of Health using the following formula SoH=(DE)/(SoCEND?SoCSTART). In some embodiments, DE may be the energy provided to the battery during the DC power charging, SoCSTART may be the first value of SoC of the battery, and SoCEND may be the second value of SoC of the battery.

Abstract: Systems, devices, and methods including a first drive winding wound on a first core, where the first drive winding may be driven with a first input signal; a second drive winding wound on a second core, where the second drive winding may be driven with a second input signal, and where the second input signal has an opposite polarity of the first input signal; a first comparator configured to receive a first drive signal from the first drive winding; a second comparator configured to receive a second drive signal from the second drive winding; and a processor configured to receive the output signals from the first comparator and the second comparator, determine a saturation status of the first core and the second core, and determine a potential leakage signal based said saturation status of the first core and the second core.

Abstract: Disclosed is a device and method for testing a crimping status of a hardware fitting and cable conductors. The device includes a device body, a cable fixing assembly is arranged on an insulation console and configured to fix a crimping status test piece on the insulation console. According to the present disclosure, technical problems are solved: the existing device for testing a crimping status of a hardware fitting and cable conductors lacks of a fixing assembly, if an operator touches a test piece being tested, the connection between the test piece and a current generator or a contact resistance tester is likely to be interrupted, resulting in a large error in a test result.

Abstract: The present disclosure discloses an optical measurement device and method for a plasma magnetic field with adjustable sensitivity. The method comprises the following steps: constructing an optical rotation measurement system based on a pulsed laser beam for measuring an optical rotation image and a shadow image; processing the optical rotation image and the shadow image, and obtaining a distribution of proportional coefficients based on alight intensity distribution; obtaining a distribution of rotation angles based on a mapping relationship between the proportional coefficients and the rotation angles; constructing an interference measurement system based on the pulsed laser beam, and measuring a phase shift of an interference image; calculating a distribution of electron areal densities based on the phase shift in the interference image; obtaining a two-dimensional distribution of an average magnetic field based on the rotation angles and the electron areal densities.

Abstract: According to one embodiment, a sensor includes an element portion. The element portion includes a first magnetic element, a second magnetic element, a first conductive member, and a second conductive member. The first magnetic element includes a first end portion and a first other end portion. A direction from the first end portion to the first other end portion is along a first direction. The second magnetic element includes a second end portion and a second other end portion. A direction from the second end portion to the second other end portion is along the first direction. The first conductive member includes a first portion, a first other portion, a second portion, and a second other portion. The second conductive member includes a first conductive portion, a first other conductive portion, a second conductive portion, and a second other conductive portion.

Abstract: According to one embodiment, a sensor includes an element portion including a first element, and a controller. The first element includes a first magnetic element including a first magnetic layer and a first opposing magnetic layer, and a first conductive member including a first conductive portion and a first other conductive portion. A second direction from the first other conductive portion to the first conductive portion crosses a first direction from the first magnetic layer to the first opposing magnetic layer. The controller includes a first circuit electrically connected to the first conductive portion and the first other conductive portion, and configured to supply a first current including an AC component to the first conductive member. A local maximum value of the first current is of the first polarity. A local minimum value of the first current is of the first polarity or 0.

Abstract: Systems and methods are disclosed for increasing a nuclear spin polarization of a target compound. In accordance with such systems and methods, a first non-thermal equilibrium nuclear spin polarization can be imparted to at least one source atom of a source compound, the source atom having a nuclear gyromagnetic ratio of at least 12 megahertz per tesla (MHz/T). A first solution can be obtained that includes the source compound and a target compound. The at least one source atom can be present in a source concentration of at least 0.1 molar (M) in the first solution. A second non-thermal equilibrium nuclear spin polarization of at least 0.01% can be imparted to the at least one target atom of the target compound via a nuclear Overhauser effect (NOE) transfer of the first non-thermal equilibrium nuclear spin polarization to the at least one target atom.

Abstract: According to an embodiment, a cooling device for cooling a constituent element housed in a housing of a unit subjected to an influence of a generated magnetic field includes a water cooling mechanism and at least one air cooling mechanism. The water cooling mechanism cools the constituent element by cooling a cooling plate with a flow of water flowing through a pipe passing through the cooling plate arranged in the housing. The air cooling mechanism is arranged on an outgoing side where the flow of water flowing through the pipe is outgoing from the housing and cools the constituent element by discharging air in the housing along with the water flow in accordance with the water flow.

Abstract: A regulated current source that provides high DC current and low voltage ripple to a superconducting electromagnet. The current source is a multi-phase synchronous rectifier, wherein the rectifying elements are cryogenically-cooled MOSFETS coupled with a superconducting filter.

Abstract: In one embodiment, a superconducting magnet includes: at least one primary superconducting coil configured to generate a primary static magnetic field by a persistent current flowing during a persistent current mode; at least one secondary superconducting coil configured to generate a secondary static magnetic field different from the primary static magnetic field in response to external control; and a static-magnetic-field control switch configured to (i) supply the secondary superconducting coil with part of the persistent current to generate the secondary static magnetic field by being closed in response to the external control during the persistent current mode and (ii) stop energization of the secondary superconducting coil and generation of the secondary static magnetic field by being opened in response to the external control during the persistent current mode.

Abstract: In one embodiment, an MRI apparatus includes: a static magnet provided with a superconducting coil and configured to generate a static magnetic field having static magnetic field distribution in an open space outside the superconducting coil; control circuitry configured to adjust the static magnetic field distribution; and a reconstruction processing circuit configured to generate a magnetic resonance image on the basis of magnetic resonance signals emitted from an object that is at least partially placed in the open space outside the superconducting coil.

Abstract: In one embodiment, a superconducting magnet includes: at least one set of coil segment including a first coil segment formed of a superconducting wire through which an electric current flows in a forward direction, and a second coil segment formed of the superconducting wire through which an electric current flows in a direction opposite to the forward direction; and at least one intermediate wiring provided between the first coil segment and the second coil segment and configured to connect the first coil segment and the second coil segment without disconnection and change directions of electric currents such that that the electric current flows through the first coil segment in the forward direction and the electric current flows through the second coil segment in a direction opposite to the forward direction.

Abstract: A static magnetic field magnet according to any of embodiments includes: a superconducting coil generating a static magnetic field; and a radiation shield surrounding the superconducting coil. In the static magnetic field magnet, at least a surface on a gradient coil side of the radiation shield includes a peripheral portion that forms multiple concavity and/or convexity. Further, In the static magnetic field magnet, a shape of a cross-section perpendicular to a depth direction of each of the multiple concavity and/or convexity formed by the peripheral portion is polygonal or circular. It is preferable that the peripheral portion is configured to form the multiple concavity and/or convexity in a straight line.

Abstract: A static magnetic field magnet according to any of embodiments includes: a vacuum vessel; a radiation shield provided inside the vacuum vessel; a superconducting coil provided inside the radiation shield, the superconducting coil generating a static magnetic field; and a winding frame supporting the superconducting coil and including a heat-generation suppression shield having a surface layer on a gradient coil side and an inner layer on the superconducting coil side. In the static magnetic field magnet, the surface layer and the inner layer are structurally or functionally separated from each other, the surface layer is configured as a layer where an eddy current generated in the winding frame flows, and the inner layer is configured as a layer where an eddy current does not almost flow.

Abstract: To suppress eddy current generation by a gradient magnetic field while an RF shield has a function of reducing magnetic coupling of an RF coil with a gradient magnetic coil, the RF shield must be formed of a conductive material of a tiled or slitted strip-shaped thin plate. On the other hand, cooling must be performed to suppress temperature rise due to heat generation by the eddy current. Furthermore, to enlarge an opening through which a patient is inserted, the gradient magnetic coil, the RF coil, and the RF shield, which are located in a static field magnet and have roughly concentrically cylindrical shapes, are required to be reduced in thickness.

Abstract: A computer-implemented method includes, based on scan data defining an input image, determining a reconstructed image using a reconstruction algorithm, and executing a data consistency operation for enforcing consistency between the input image and the reconstructed image. The data consistency operation includes using a norm ball projection that takes into account the available noise level information in order to automatically adjust the balance between the network prediction and the input measurements.

Abstract: A power management apparatus for a workflow to enable low power MR patient positioning on edge devices is disclosed. The power management apparatus changes an operational mode of an edge device from a first power mode to a second power mode after a defined time-interval. The power management apparatus further controls the edge device to capture a first image of a first scene. The power management apparatus further determines a trigger point based on a detection of a plurality of objects in the captured first image. The power management apparatus further changes the operational mode of the edge device from the second power mode to a third power mode to control a consumption of electric power while a set of operations is executed at the edge device. The operational mode of the edge device may be changed at the determined trigger point.

Abstract: Magnetic resonance imaging systems and methods are provided for time-efficiently producing a plurality of image contrasts, the plurality of image contrasts including a first contrast being coupled with a second contrast and acquired over a plurality of key parameters that govern the second contrast to which the first contrast is coupled. In addition, the plurality of image contrasts is used to simultaneously map the first contrast, the second contrast, and additional contrasts.

Abstract: A method of using NC-MRA to generate pelvic veins images and measure rate of blood flow includes subjecting a lay patient to undergo magnetic resonance scan in cooperation with an ECG monitor and a respiration monitor; scanning coronary sections and transverse sections of kidney veins, lower cavity veins, common iliac veins, and external iliac veins to generate two-dimensional images wherein the two-dimensional images use balanced turbo field echo wave sequence; scanning coronary sections of common cardinal veins of abdominal cavity to generate three-dimensional images wherein the three-dimensional images use fast spin-echo short tau inversion recovery wave sequence and sample signals when the ECG monitor monitors myocardial contractility; and using quantification phase-contrast analysis to measure blood flowing through the transverse sections of the veins in a two-dimensional scan.

Abstract: Proposed concepts thus aim to provide schemes, solutions, concepts, designs, methods and systems pertaining to predicting a field perturbation map for magnetic resonance imaging (MRI) of a subject. In particular, the invention aims to provide a field perturbation map of the subject without the need for additional time-consuming scans of the subject. An accurate field perturbation map is necessary in order to obtain an MRI scan of the subject of high quality. Accordingly, a synthetic computed tomography (CT) image is generated by inputting an initial MRI magnitude image of the subject to an image conversion machine learning algorithm. Subsequently, a weighted susceptibility map of the subject is determined based on the synthetic CT image and the initial MRI magnitude image, which is in turn used to determine the field perturbation map of the subject.

Abstract: An MRI apparatus 1 includes sequence control circuitry 29 and processing circuitry 51. The sequence control circuitry 29 performs stack-of-stars data acquisition on an imaging region of a subject to acquire time-series k-space data. The processing circuitry 51 divides time-series k-space data into groups relating to a time direction, and calculates for each of the groups a motion feature amount of the imaging region based on k-space data of a k-space central portion. The processing circuitry 51 corrects for each of the groups the k-space data based on the motion feature amount and generates the corrected k-space data. The processing circuitry 51 reconstructs an MR image relating to the imaging region based on the corrected k-space data relating to the groups.

Abstract: An auxiliary positioning system includes an ultra-wideband (UWB) element, and a service management and orchestration (SMO) apparatus and a near-real time ran intelligent controller (Near-RT RIC) connected with each other, wherein the SMO apparatus includes a non-real time ran intelligent controller (Non-RT RIC). The UWB element is connected to a second application disposed at at least one of the SMO apparatus, the Near-RT RIC and the Non-RT RIC through a first application. The UWB element is configured to output positioning information of a user device to the second application through the first application.

Abstract: Techniques for detecting non-line-of-sight (NLOS) wireless signal paths are described. In some embodiments, a method thereof may include receiving positioning information from one or more networked devices, the positioning information comprising information indicative of measurements of one or more wireless signals transmitted between one or more wireless network nodes and one or more UEs, location data indicative of a location of each of the one or more UEs, or a combination thereof; determining a commonality associated with the received positioning information; and based on the determined commonality, determining that the NLOS wireless signal path is present between the given UE and the one or more wireless network nodes.

Abstract: A method for transmitting signals used to estimate the position of a user terminal. The method includes: transmitting a first signal between a network entity and the user terminal by traveling through a radio unit, the first signal being intended to enable a measurement relating to a transmission travel time between the network entity and the user terminal via the radio unit; and transmitting a second signal between the network entity and the radio unit, the second signal being intended to enable a measurement of a transmission travel time between the network entity and the radio unit; wherein at least one value of a transmission condition of the second signal, termed the second value, is dependent on a value of a transmission condition of the first signal, termed the first value.

Abstract: In a wireless network in which beams are transmitted by base stations, a beam relation database may be produced by crowdsourcing known positions of UEs and associated information related to beams received by the UEs at these positions. The beam information, for example, may include a beam identifier and cell identifier, and may further include measured signal parameters, such as Reference Signal Received Power (RSRP) or Reference Signal Received Quality (RSRQ). The beam relation database may be used by a network or the UE to determine a position of a UE based on beams that are detected by the UE. The position fix may be an initial position fix that may be used to generate assistance data for the UE. Additionally, the beam relation database may be used to identify relevant measurement objects in the assistance data based on beams that are detected by the UE.

Abstract: The application discloses a positioning processing method, a terminal and a network side device. The positioning processing method includes: sending, by a terminal, first indication information, where the first indication information is used to indicate at least one of the following: an association between a reference signal for uplink positioning and a timing error group (TEG); or an association between a positioning measurement result and the TEG.

Abstract: A control device (DC) equips a mobile unit (BM) comprising radio signal receivers (R11-R12) and acoustic signal receivers (R21-R22) and having to move to a target location defined relative to an object (V) emitting radio signals and acoustic signals. This device (DC) periodically determines the distance and direction separating a predefined location of the mobile unit (BM) from the target location by analyzing received radio signals, then commands suitable for moving the mobile unit (BM) to a predefined distance from the target location on the basis of this distance and direction, then periodically determines the distance and direction by analyzing received acoustic signals, then commands suitable for moving the mobile unit (BM) towards the target location on the basis of this distance and direction, until the predefined location is placed at the target location.

Abstract: This application relates to a location measuring system including a driving-type working device. In one aspect, the system includes a data receiving unit that receives marking data about a working surface, a marking unit that executes a marking operation with respect to the working surface corresponding to the marking data, and a scanning unit that scans a target space. The system may also include a scan condition setting unit that sets a movement path of the driving-type working device corresponding to the marking data, sets a scanning position for scanning the target space in consideration of space map data corresponding to the target space, and sets a scan angle of the scanning unit at the scanning position. The system may further include a position detecting unit that compares scan data acquired via the scanning unit with the space map data to detect a position of the driving-type working device.

Abstract: Disclosed are a device and method for detecting distance reduction attack in an ultra-wide band (UWB) high rate pulse (HRP) mode. The method for detecting distance reduction attack is a method performed by a receiver or transmitter operating in the UWB HRP mode, the method comprising receiving a message frame targeted for distance reduction attack; splitting a scrambled timestamp sequence (STS) field included in the message frame into a plurality of sub-fields; computing a correlation between each of the sub-fields and a corresponding sub-template among a plurality of sub-templates split from a local template; extracting a plurality of maximum peaks, each corresponding to each of the correlations; and detecting the distance reduction attack based on extracted maximum peaks.

Abstract: A laser radar integrated device, including a cover plate (Q10, M10, N20, P60), a fixed support (Q20), a lifting structure (Q30), a pop-up structure (Q50), a laser radar (Q60), and a controller (Q70, D50). The cover plate (Q10, M10, N20, P60) is located on a vehicle fender (Q80, M200, N200, P200) and matches with the size of an opening in the fender (Q80, M200, N200, P200); the fixed support (Q20), the lifting structure (Q30), the pop-up structure (Q50), the laser radar (Q60) and the controller (Q70, D50) are located inside the fender (Q80, M200, N200, P200); the lifting structure (Q30) is disposed on the fixed support (Q20) and connected to the cover plate (Q10, M10, N20, P60); the laser radar (Q60) is disposed on the pop-up structure (Q50) which is disposed on the fixed support (Q20). Also disclosed is a vehicle provided with a laser radar integrated device.

Abstract: A laser radar integrated box at least includes an outer housing (A10), a lifting device (A20), a laser radar (A40), a controller (A50), and a lower cover plate (A60); the lifting device (A20), the laser radar (A40), and the controller (A50) are located between the outer housing (A10) and the lower cover plate (A60); the laser radar (A40) is located above the lifting device (A20); and the lifting device (A20) can extend or retract under the control of the controller (A50) to drive the laser radar (A40) to extend to the outside of an automobile or retract to the inside of the automobile. The laser radar integrated box can be flexibly arranged on the roof of a vehicle. Further disclosed are a cleaning device and a vehicle.

Abstract: Aspects of the disclosed technology provide solutions for improving satellite calibration reflectors and in particular, for improving performance of corner reflectors used for calibrating synthetic aperture radar (SAR) satellites. A process of the disclosed technology can include steps for constructing a satellite ground reflector comprising coupling a braced foundation to a trihedral reflector, wherein the trihedral reflector comprises a plurality of vertices and coupling two or more survey pins to two or more of the vertices, wherein each of the two or more survey pins are configured to facilitate one or more measurements of the satellite ground reflector. A process of the disclosed technology can also include steps for precise measuring and precise timing by placing GNSS instrumentation at or near the vertices of the satellite ground reflector.

Abstract: A system and method for a radar system are provided. The radar system includes a leader radar device that includes a first clock generation circuit configured to generate a first clock signal, and a first transmitter and receiver configured to transmit and receive radar signals using a first local oscillator signal. The system includes a follower radar device. The follower radar device is configured to receive the first clock signal and the first local oscillator signal from the leader radar device. The follower radar device includes a second clock generation circuit configured to generate a second clock signal, wherein, in a default operational mode of the radar system at least a portion of the second clock generation circuit is disabled, and a second transmitter and receiver configured to transmit and receive first radar signals.

Abstract: A frequency linearity measurement circuit configured to measure a frequency linearity of a frequency signal includes: a first measurement circuit configured to generate a first estimate of an integer number of clock cycles of the frequency signal within a respective gate signal period of a gate signal; a second measurement circuit comprising a time-to-digital converter (TDC) configured to generate a second estimate of a fractional number of clock cycle of the frequency signal within the respective gate signal period; a reference measurement circuit configured to generate a third estimate of an expected number of clock cycles within the respective gate signal period; and a closed-loop frequency tracking circuit configured to track a frequency error between an expected frequency and a measured frequency, where the expected frequency and the measured frequency are determined based on the third estimate and on a sum of the first estimate and the second estimate, respectively.

Abstract: An apparatus for generating a signal with a non-tracker includes a video signal detecting unit detecting a video signal from a reception signal and outputting a video signal exceeding a threshold, an additional noise generating unit mixing the reception signal with additional noise and outputting the reception signal mixed with the additional noise, a stored signal processing unit storing and outputting the reception signal mixed with the additional noise when the video signal exceeding the threshold is input, and a transmission signal gain controller combining a first signal, which is the reception signal mixed with the additional noise transmitted from the additional noise generating unit, and a second signal stored in and output from the stored signal processing unit, and outputting a combined signal.

Abstract: A high-resolution antenna array includes an equivalent antenna array obtained by arrangement of a first and a second physical antenna array. The equivalent antenna array includes a first and a second equivalent antenna group respectively having a plurality of first and second antenna units arranged at equal intervals. The second equivalent antenna group is translated by a unit interval with respect to the first equivalent antenna group, such that each first and second antenna units are staggered and arranged at intervals along a same direction. A processor obtains a target signal reflected by a target object and carries out a calibration on the target signal to obtain a precise phase difference, thereby obtaining an accurate angle of arrival of the target signal. Thus, through the distribution of antennas, the present invention achieves a high angle resolution and prevents angle ambiguity.

Abstract: A method for calibrating a vehicular radar sensing system includes providing a plurality of radar sensors at a vehicle that includes a first radar sensor and a second radar sensor, the first radar sensor having a field of sensing that at least partially overlaps a field of sensing of the second radar sensor. An object in the field of sensing of the first radar sensor is detected via processing sensor data captured by the first radar sensor. The object in the field of sensing of the second radar sensor is detected via processing sensor data captured by the second radar sensor. Based on detection of the object with the first radar sensor and with the second radar sensor, a detection error is determined. Calibration of the second radar sensor is adjusted based on the detection error.

Abstract: An electronic device may utilize various methods or systems to determine whether the electronic device is indoors or outdoors. The electronic device transmits wireless signals (e.g., radio detection and ranging (RADAR) signals). The electronic device receives reflections of the wireless signals. Using these received reflections of the wireless signals, the electronic device determines whether a power amplitude of the reflections is greater than or equal to a threshold value. In response to a determination that the power amplitude is not greater than or equal to the threshold value, the electronic device operates in an outdoor mode or an indoor mode.

Abstract: Proposed are a method and device for performing wireless sensing in a wireless LAN system based on wireless sensing. Specifically, a wireless apparatus collects CSI data and lifelog. The wireless apparatus performs learning and prediction on the basis of the CSI data to acquire a first user estimation result. When the first user estimation result is at most a threshold value, the wireless apparatus predicts a second user estimation result on the basis of the lifelog.

Abstract: A division line recognition apparatus including: a microprocessor and a memory coupled to the microprocessor; and an in-vehicle detection unit irradiating a surrounding of a subject vehicle with an electromagnetic wave to detect an exterior environment situation in the surrounding. The microprocessor is configured to perform recognizing information indicating a division line in a first area separated from the subject vehicle on a road by a predetermined distance based on information detected by the in-vehicle detection unit at different positions on the road while the subject vehicle is traveling on the road; and mapping the information indicating the division line recognized in the recognizing, based on a traveling direction and a driving speed of the subject vehicle.

Abstract: A method for processing point data obtained from a light detection and ranging (LiDAR) device is proposed. The method may include obtaining point cloud data including a plurality of point data for a plurality of detection points. The method may also include generating an image of the plurality of detection points based on the point cloud data. Each of the plurality of point data may include location information about a detection point and a geometrically enhanced intensity of the detection point. The geometrically enhanced intensity may be generated based on a combination of a reflection parameter related to the amount of light scattered at the detection point and a geometric parameter based on geometrical characteristic of the detection point.

Abstract: A receiver for a lidar system. The receiver comprises a monolithic block of optically transmissive material, the block shaped to define a planar light receiving surface, a first reflective surface and a second reflective surface positioned adjacent to the light receiving surface. The surfaces are positioned such that light from a distant on-axis source passing through the light receiving surface passes through the block to the first reflective surface and is reflected thereby towards the second reflective surface and in turn reflected thereby to pass through a receiving aperture formed in the first reflective surface and to come to a focus at or after the receiving aperture.

Abstract: An optical sensor includes a light-emitting element configured to project light that changes with time; a light-receiving element including a pn junction and configured to directly or indirectly receive the light projected by the light-emitting element; a measuring section configured to measure an electric current generated based on an amount of the light received by the light-receiving element; and a bias application section configured to apply a bias to the light-receiving element, wherein the bias application section, before measuring the electric current generated based on the amount of the light received, applies the bias to the light-receiving element to cause either a forward current that flows when the light-receiving element is turned ON or a breakdown current that flows when the pn junction breaks down to flow through the pn junction.