Abstract: Sensor data obtained from vehicles driving through a particular environment (e.g., a particular city or region being mapped) is used to identify and label traffic control features. Location, speed, and/or acceleration of mapping vehicles can be used to identify intersections that may have traffic control features. Environmental data, such as image data captured by one or more cameras, and point cloud data collected by lidar and/or radar sensors, is used to automatically detect traffic control features at the intersections.

Abstract: A grip structure includes an inner tube, a cushioning layer, a gripping layer and a locking component. The cushioning layer is connected to an outer surface of the inner tube. The gripping layer is connected to an outer surface of the cushioning layer. The locking component is disposed at one end of the grip structure and is connected to the inner tube. The locking component is configured to connect the grip structure to an external device. A section of the grip structure is an eccentric.

Abstract: A power supply having a circuit board, a heat dissipation housing, and a plurality of heat-generating assemblies. Each of the heat-generating assemblies includes a thermal conductive core that is thermally in contact with the heat dissipation housing, and a magnetic coil that is disposed on the thermal conductive core and electrically connected to the circuit board, wherein the magnetic coils of the heat-generating assemblies are coaxially arranged and connected in series through the circuit board.

Abstract: A video conference device includes a camera, a communication circuit and a processor. The camera is configured to capture a real-time video of a first location. The communication circuit is communicatively connected to a remote server and a first electronic device located at the first location. The processor executes an online conference application, and processes the real-time video and real-time visual signals received from the remote server via the communication circuit. The processor executes the online conference application to establish or join an online video conference on the remote server. The processor obtains first authentication information from the first electronic device via the communication circuit, sends the first authentication information for identity authentication, and receives first operation authorizations granted to the first electronic device by the remote server based on the first authentication information.

Abstract: A video conference device includes a camera, a communication circuit and a processor. The camera is configured to capture a real-time video of a first location. The communication circuit is communicatively connected to a remote server and a first electronic device located at the first location. The processor executes an online conference application, and processes the real-time video and real-time visual signals received from the remote server via the communication circuit. The processor executes the online conference application to establish or join an online video conference on the remote server. The processor obtains first authentication information from the first electronic device via the communication circuit, sends the first authentication information for identity authentication, and receives first operation authorizations granted to the first electronic device by the remote server based on the first authentication information.

Abstract: The invention relates to a stationary phase medium for adsorption chromatography, which is in form of porous particles suitable for being packed into a chromatographic column. The porous particles are made of cross-linked polymeric material and formed with interconnected macropores to constitute a porous network, through which a mobile phase fluid may flow in a convective manner. The porous particles are substantially free of diffusive pores and, thus, the mass transfer through the porous network is governed by convection alone. The porous particles are fabricated to have irregular granular configurations with rough outer surfaces, so that the convective flow between the porous particles will not be impeded during chromatography process.

Abstract: A signal generation circuit comprising a first chopper, an operational transconductance amplifier, a second chopper and a ripple reduction loop circuit. The operational transconductance amplifier is coupled to receive a differential input signal, and the differential input signal is processed into an output signal at an output node by the operational transconductance amplifier and the second chopper. The ripple reduction loop circuit is coupled between the output node and a compensation node of the operational transconductance amplifier. The ripple reduction loop circuit comprises a third chopper and an operational amplifier. The third chopper is configured to convert a ripple in the output signal into a direct current offset signal. The operational amplifier is configured to convert the direct current offset signal into a compensation signal. The compensation signal is configured to input to the compensation node of the current mirror circuit.

Abstract: Sensor data obtained from vehicles driving through a particular environment (e.g., a particular city or region being mapped) is used to identify and label traffic control features. Location, speed, and/or acceleration of mapping vehicles can be used to identify intersections that may have traffic control features. Environmental data, such as image data captured by one or more cameras, and point cloud data collected by lidar and/or radar sensors, is used to automatically detect traffic control features at the intersections.

Abstract: The disclosed technology provides solutions for updating high definition maps based on low resolution map assets. In some aspects, a process of receiving a change detection relating to a change in the real world is provided. The process can include steps for receiving autonomous vehicle drive data based on the change in the real world, generating low resolution tile data based on the autonomous vehicle drive data based on the change in the real world, generating updated semantic data based on the low resolution tile data generated, and providing the updated semantic data to an autonomous vehicle to update a proximate area of the change in the real world of a base map of the autonomous vehicle. Systems and machine-readable media are also provided.

Abstract: A display device is disclosed. The display device includes a display panel, a backlight module, and a processor. The display panel displays a display screen. The backlight module provides a backlight brightness to the display panel. The processor generates the display screen and determines the backlight brightness corresponding to the display screen. The processor dynamically adjusts a size and a position of several display areas on the display screen based on an instant state of the continuous image signal respectively. The processor determines several backlight areas corresponding to several display areas respectively, and the processor generates several backlight control signals corresponding to several backlight areas respectively based on the display setting and several image contents.

Abstract: The present disclosure provides an operation method of a smart speaker. The method includes steps as follows. The linked settings among voiceprint registration data, user information and a cast setting of a user device are preloaded by the smart speaker. Wake-up words are received to set an operation mode of the smart speaker and to generate a voiceprint recognition result. In the operation mode, after receiving voice, the voice is converted into voice text and the voiceprint recognition result is compared to voiceprint registration data. When the voiceprint recognition result matches the voiceprint registration data, the user information and the voice text are transmitted to a cloud server, so that the cloud server returns the response message to the smart speaker. According to the cast setting, the response message is sent to the user device.

Abstract: A grip structure includes an inner tube, a cushioning layer, a gripping layer and a locking component. The cushioning layer is connected to an outer surface of the inner tube. The gripping layer is connected to an outer surface of the cushioning layer. The locking component is disposed at one end of the grip structure and is connected to the inner tube. The locking component is configured to connect the grip structure to an external device. A section of the grip structure is an eccentric.

Abstract: The invention relates to a stationary phase medium for adsorption chromatography, which is in form of porous particles suitable for being packed into a chromatographic column. The porous particles are made of cross-linked polymeric material and formed with interconnected macropores to constitute a porous network, through which a mobile phase fluid may flow in a convective manner. The porous particles are substantially free of diffusive pores and, thus, the mass transfer through the porous network is governed by convection alone. The porous particles are fabricated to have irregular granular configurations with rough outer surfaces, so that the convective flow between the porous particles will not be impeded during chromatography process.

Abstract: A method for processing fingerprint information includes acquiring, in response to detection of a software-initiated fingerprint verification request, verification data from the fingerprint verification request by a hardware accelerator, performing fingerprint verification on the verification data by the hardware accelerator to obtain a processing result, and outputting, by the hardware accelerator, the processing result into a memory address specified by the software. According to the solution, instead of the traditional fingerprint verification mode which completely depends on software, a hardware accelerator is used to perform verification on the verification data and output a processing result, thereby improving the bottleneck of fingerprint verification speed.

Abstract: A display device is disclosed. The display device includes a display panel, a backlight module, and a processor. The display panel displays a display screen. The backlight module provides a backlight brightness to the display panel. The processor generates the display screen and determines the backlight brightness corresponding to the display screen. The processor dynamically adjusts a size and a position of several display areas on the display screen based on an instant state of the continuous image signal respectively. The processor determines several backlight areas corresponding to several display areas respectively, and the processor generates several backlight control signals corresponding to several backlight areas respectively based on the display setting and several image contents.

Abstract: The disclosed technology provides solutions for enhanced road paint feature detection, for example, in an autonomous vehicle (AV) deployment. A process of the disclosed technology can include steps for receiving image data from a vehicle mounted camera, receiving height map data corresponding to a location associated with the image data, and calculating a region of interest that includes a portion of the image data determined based on the height map data. An image patch is generated by projecting the portion of image data included within the region of interest into a top-down view. The image patch is analyzed to detect one or more road paint features in the top-down view, and, in response to detecting an unlabeled road paint feature, the unlabeled road paint feature is localized based at least in part on the height map data. Systems and machine-readable media are also provided.

Abstract: A video conference device includes a camera, a communication circuit and a processor. The camera is configured to capture a real-time video of a first location. The communication circuit is communicatively connected to a remote server and a first electronic device located at the first location. The processor executes an online conference application, and processes the real-time video and real-time visual signals received from the remote server via the communication circuit. The processor executes the online conference application to establish or join an online video conference on the remote server. The processor obtains first authentication information from the first electronic device via the communication circuit, sends the first authentication information for identity authentication, and receives first operation authorizations granted to the first electronic device by the remote server based on the first authentication information.

Abstract: The invention provides a fingerprint identification device and a fingerprint identification method. The fingerprint identification device includes: a display; a light source disposed below the display; a sensor disposed below the display; and a processing module coupled to the sensor. When an object contacts the display, the light source emits structured light to scan the object. The sensor obtains one or more images of the object, and the one or more images include information of different phase displacements. The processing module is used for calculating three-dimensional information of the object according to the one or more images and judging whether the object is a real finger or not according to the three-dimensional information.

Abstract: The invention provides an image scanning device and an image scanning method. The image scanning device includes: a display that emits red light, green light, and blue light to expose an object when the object contacts the display; the sensor is arranged below the display, and the sensor obtains a first image corresponding to the red light, a second image corresponding to the green light and a third image corresponding to the blue light; and the processing module is coupled to the sensor and the display, and the processing module generates an object image corresponding to the object according to the first image, the second image and the third image.