Abstract: A method is provided for assigning a bounding box to an object in an environment of a vehicle. Data related to objects located in the environment of the vehicle are acquired via a sensor. Based on the data, a respective spatial location and a respective size of a plurality of preliminary bounding boxes are determined such that each preliminary bounding box covers one of the objects at least partly. A respective velocity of each preliminary bounding box is estimated based on the data. A subset of the plurality of preliminary bounding boxes being related to a respective one of the objects is selected, where the subset is selected based on the respective velocity of each of the preliminary bounding boxes. A final bounding box is assigned to the respective one of the objects by merging the preliminary bounding boxes of the corresponding subset.

Abstract: A long-term high-power battery system with intelligent management includes a battery cell, and a battery management system including a secondary control system, a low-power switching element, a high-capacity relay and a battery cell voltage balancing system. When the secondary control system detects a high current load generated by the vehicle startup, the low-power switching element first interrupts the high load connected to the battery management system, and immediately starts the high-capacity relay, so that the large current passes through the high-capacity relay to provide the large current required by the vehicle load equipment. Through the battery cell voltage balancing system, the voltage difference between each battery cell is effectively controlled.

Abstract: A method of processing image data in a connectionist network comprises a plurality of units, wherein the method implements a multi-channel unit forming a respective one of the plurality of units, and wherein the method comprises: receiving, at the data input, a plurality of input picture elements representing an image acquired by means of a multi-channel image sensor, wherein the plurality of input picture elements comprise a first and at least a second portion of input picture elements, wherein the first portion of input picture elements represents a first channel of the image sensor and the second portion of input picture elements represents a second channel of the image sensor; processing of the first and at least second portion of input picture elements separately from each other; and outputting, at the data output, the processed first and second portions of input picture elements.

Abstract: A computer implemented method for determining information related to an environment of a vehicle comprises the following steps carried out by computer hardware components: determining a point cloud based on measurement data, the point cloud comprising a plurality of points; determining respective features for each point of the point cloud; determining a grid structure based on the point cloud; determining a processed grid structure based on processing the grid structure using an artificial neural network; and determining at least one final grid structure based on the point cloud, the respective features for each point of the point cloud, and the processed grid structure.

Abstract: A method includes forming a photoresist layer over a wafer; aligning a first photomask with a first area of the wafer; performing a first exposure process to a first portion of the photoresist layer within the first area of the wafer; aligning a second photomask with a second area of the wafer, wherein aligning the first photomask and aligning the second photomask are performed using an alignment mark within a stitching zone of the wafer, the stitching zone being an overlapping region of the first area and the second area; performing a second exposure process to a second portion of the photoresist layer within the second area of the wafer; and performing a development process to remove the first and second portions of the photoresist layer.

Abstract: In some embodiments, the present disclosure relates to an integrated device, including a substrate comprising a channel region; a gate structure disposed on the substrate over the channel region; a first doped region of a first doping type on a first side of the gate structure; a second doped region of the first doping type on a second side of the gate structure; a shallow trench isolation (STI) structure disposed on an opposite side of the first doped region from the gate structure and having a bottom surface at a first depth beneath a top surface of the substrate; a shallow-shallow trench isolation (SSTI) structure extending from the second doped region to the gate structure, the SSTI structure having a bottom surface at a second depth beneath the top surface of the substrate, where the second depth is less than the first depth.

Abstract: A battery box, a battery and an electrical device. The battery box includes side plates and a bottom plate. The side plates are disposed on the bottom plate around a periphery of the bottom plate. The bottom plate is provided with a cavity. The cavity is internally provided with partition pieces. The partition pieces partition the cavity into at least two flow channels introduced along a first introducing direction. Since the flow channels have the same introducing direction, heat exchange working media in the cavity divided by the flow channels can separately and simultaneously exchange heat with battery cells arranged in a direction intersecting the first introducing direction, and the heat exchange of the battery cells is uniform, which can reduce the temperature difference between the battery cells.

Abstract: A display device includes a pixel array substrate, light emitting elements, a lower plate and a black pattern layer. The pixel array substrate has a display surface and a bottom surface opposite to the display surface. The display surface has pixel regions and light transmitting regions arranged alternately. The light emitting elements are disposed on the display surface and electrically connected to the pixel array substrate, where the light emitting elements are located in the pixel regions. The bottom surface is located between the display surface and the lower plate. The black pattern layer is disposed between the pixel array substrate and the lower plate, and has light shielding parts and first opening areas arranged alternately. The light shielding parts overlap with the pixel regions, and the first opening areas overlap with the light transmitting regions.

Abstract: A thrombectomy system includes a catheter having a proximal end and a distal end, a valve in fluid communication with the catheter, and a cutting instrument associated with the distal end of the catheter. The cutting instrument may be configured for axial and/or rotational motion. A controller of the system may be configured to detect operational parameters of the cutting instrument. The controller may determine whether the cutting instrument is engaging with occlusive material based on the detected operational parameters. The controller may operate the valve in one or more operating modes to alter a level of pressure in the catheter based on whether the cutting instrument is engaging with the occlusive material.

Abstract: An optical element driving mechanism includes a movable assembly, a fixed assembly, and a driving assembly. The movable assembly is configured to be connected to an optical element. The movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly in a range of motion. The optical element driving mechanism further includes a positioning assembly configured to position the movable assembly at a predetermined position relative to the fixed assembly when the driving assembly is not operating.

Abstract: A long-term high-power battery system with intelligent management includes a battery cell, and a battery management system including a secondary control system, a low-power switching element, a high-capacity relay and a battery cell voltage balancing system. When the secondary control system detects a high current load generated by the vehicle startup, the low-power switching element first interrupts the high load connected to the battery management system, and immediately starts the high-capacity relay, so that the large current passes through the high-capacity relay to provide the large current required by the vehicle load equipment. Through the battery cell voltage balancing system, the voltage difference between each battery cell is effectively controlled.

Abstract: The present disclosure provides an intelligent reflection surface, a signal sending method and apparatus, and a storage medium, and belong to the field of wireless communication. In embodiments of this application, the intelligent reflection surface receives adjustment information sent by a first wireless device, and adjusts an on/off state of the intelligent reflection surface based on the adjustment information.

Abstract: A computer implemented method for object detection the following steps carried out by computer hardware components: determining an output of a first pooling layer based on input data; determining an output of a dilated convolution layer, provided directly after the first pooling layer, based on the output of the first pooling layer; determining an output of a second pooling layer, provided directly after the dilated convolution layer, based on the output of the dilated convolution layer; and carrying out the object detection based on at least the output of the dilated convolution layer or the output of the second pooling layer.

Abstract: A semiconductor device includes a source region, a drain region, a gate structure, a first gate spacer, and a second gate spacer. The source region and the drain region are in a substrate. The gate structure is laterally between the source region and the drain region. The first gate spacer is on a first sidewall of the gate structure. The second gate spacer is on a second sidewall of the gate structure. The first gate spacer has more layers than the second gate spacer.

Abstract: Disclosed in the present application are a signal continuous coverage method, device and apparatus for a target area, and an antenna system.

Abstract: A display device and a driving method thereof are provided. The display device includes a display panel, a controller, and a driver. The display panel includes a plurality of light-emitting elements. The controller receives characteristic information of the light-emitting elements, and obtains a first relationship curve between current density information and luminous efficiency information according to the characteristic information. The controller obtains a second relationship curve between duty cycle information and accumulated current consumption information or accumulated power consumption information according to the first relationship curve. The controller finds a selected duty cycle corresponding to a maximum luminous efficiency according to the second relationship curve. The driver activates the light-emitting elements according to the selected duty cycle.

Abstract: Disclosed are a dual-motor multi-gear hybrid transmission system and a vehicle. The dual-motor multi-gear hybrid transmission system includes an engine, a first motor, a second motor, a first clutch, a second clutch, a first planet row, a second planet row, a first input shaft, a second input shaft, a third input shaft and a brake assembly. The first input shaft is connected to the engine through the first clutch. The second input shaft is connected to the engine through the second clutch, and the second input shaft is sleeved outside the first input shaft. The first motor is connected to the engine. The second motor is connected to the first planet row through the third input shaft. The brake assembly is configured to brake the first planet row and/or the second planet row.

Abstract: A method includes: receiving the semiconductor device, wherein the semiconductor device includes: a well region; a doped region; a plurality of gate electrodes; a plurality of source regions; and a plurality of drain regions, wherein the plurality of gate electrodes, the plurality of source region and the plurality of drain regions form a plurality of transistors; and a bulk region disposed in the doped region. A first distance measured between a first transistor of the plurality of transistors and the bulk region is greater than a second distance measured between a second transistor of the plurality of transistors and the bulk region. The method further includes: applying a first voltage to the plurality of drain regions, wherein a first avalanche current generated around the first transistor and shunted through the bulk region is greater than a second avalanche current generated around the second transistor and shunted through the bulk region.

Abstract: A vehicle shifting mechanism includes a transmission box, a gear-shifting driving unit and a gearshift lever. Through electrical connection between a manual switch and the gear-shifting driving unit, the operation of controlling the forward or reverse gear is carried out, so that the gear-shifting driving unit drives the gearshift lever to produce the action of pushing down the gear or pushing up the gear. Through an auto switch located beside the grip of the vehicle, and in cooperation with a vehicle control unit, when the auto switch is turned on to be in automatic shift mode, the vehicle control unit receives the data of the main power motor or the engine speed and torque load of the vehicle to activate the gear-shifting driving unit to drive the gearshift lever to generate a fully automatic downshifting gear or an upshifting gear and a neutral gear control.

Abstract: In some embodiments, the present disclosure relates to a semiconductor device. The semiconductor device includes a channel layer over a base substrate and an active layer over the channel layer. A source and a drain are over the active layer. A gate is over the active layer and laterally between the source and the drain. A dielectric is over the active layer and laterally surrounds the source, the drain, and the gate. A cap structure laterally contacts the source and is disposed laterally between the gate and the source. The source vertically extends to a top of the cap structure.