Abstract: A laser system and a laser measurement method are provided. The laser system includes: a body assembly, for generating a scan control signal and an emission signal, and emitting groups of emitted light according to the emission signal; and a probe assembly disposed separately from the body assembly, and optically or electrically connected to the body assembly; where the probe assembly is configured to sequentially irradiate the groups of the emitted light to at least one target object in a target scene according to the scan control signal, and convert at least one group of reflected light reflected by the at least one target object into an output signal; and the body assembly is configured to determine at least one of a distance of the target object, a reflectivity of the target object, or a contour of the target object based on the emission signal and/or the output signal.

Abstract: The present disclosure provides an optical waveguide device used in a laser detection and ranging system (lidar). The optical waveguide device includes: a waveguide inlet configured to receive a first light signal; a waveguide body configured to guide the first light signal to transmit in the optical waveguide device; and a waveguide outlet configured to output a second light signal exited after the first light signal is guided; a ratio of the area of the waveguide inlet to that of the waveguide outlet is greater than a first preset ratio, and transmission efficiencies of the optical waveguide device in first and second directions are different, the transmission efficiency in the first direction is greater than a first threshold, the transmission efficiency in the second direction is less than a second threshold. With this optical waveguide device, effects of long measurement distance, high angular resolution and small volume can be achieved.

Abstract: The present disclosure relates to the technical field of detection, and in particular to a LiDAR device, a scanning unit and a vehicle. The LiDAR device includes a light emitting module, a scanning unit, a light receiving module, and a processing unit, wherein the scanning unit at least includes a polyhedral rotating mirror that rotates around a rotation axis, a first light signal is reflected towards a to-be-detected target scene by a first reflecting mirror surface, a second light signal reflected by a target object in the to-be-detected target scene is reflected by a second reflecting mirror surface to finally reach a light receiving unit, the first reflecting mirror surface has a first inclination angle, the second reflecting mirror surface has a second inclination angle, and the first inclination angle is different from the second inclination angle.

Abstract: Methods and systems are provided for providing real world assistance by a robot utility and interface device (RUID) are provided. A method provides for identifying a position of a user in a physical environment and a surface within the physical environment for projecting an interactive interface. The method also provides for moving to a location within the physical environment based on the position of the user and the surface for projecting the interactive interface. Moreover, the method provides for capturing a plurality of images of the interactive interface while the interactive interface is being interacted with by the use and for determining a selection of an input option made by the user.

Abstract: Disclosed is a three-dimensional imaging system. The system comprises: an optical emitter that emits light pulses to a target scene; an optical modulator that modulates the optical state of at least part of the light pulses emitted from the optical emitter and/or of at least part of light pulses returned from the target scene; an optical element array that receives a modulated light pulses; a photoelectric detector that comprises an imaging lens, and receives an optical signal passing through the optical element array and converts the received optical signal into an electrical signal; and a controller, wherein the controller applies a control to the optical modulator by means of a circuit, the optical modulator modulates the optical state of the light pulses into a function of time on the basis of the control.

Abstract: A radar system and a radar ranging method. The radar system comprises: a light emission assembly (100), which successively emits a plurality of groups of emitted light; a receiving end assembly (200), which receives reflected light after the emission light is reflected by a target object and converts the reflected light into a received electrical signal; a light scanning member (300); and a processor (600), which determines the distance to the target object according to the received electrical signal, and adjusts control parameters related to the received electrical signal and a detection field-of-view angle, such that the control parameters change according to a first preset rule starting from an emission start moment; or the detection field-of-view angle changes according to a second preset rule starting from the emission start moment.

Abstract: A laser system and a laser measurement method are provided. The laser system may include: a light emitting assembly, configured to sequentially emit multiple groups of emitted light within a current frame scanning duration; and a receiving end assembly, configured to convert at least one group of reflected light into an output signal; where within a scanning duration, a position of a receiving field of view of the receiving end assembly in the target scene changes and/or a shape of the receiving field of view changes; from an emission start moment, an emitting field of view of the light emitting assembly is located in the current receiving field of view within a preset receiving duration, and an area of the receiving field of view is greater than or equal to twice an area of the emitting field of view.

Abstract: A domain adaptation module is used to optimize a first domain derived from a second domain using respective outputs from respective parallel hidden layers of the domains.

Abstract: Methods and systems are provided for providing real world assistance by a robot utility and interface device (RUID) are provided. A method provides for identifying a position of a user in a physical environment and a surface within the physical environment for projecting an interactive interface. The method also provides for moving to a location within the physical environment based on the position of the user and the surface for projecting the interactive interface. Moreover, the method provides for capturing a plurality of images of the interactive interface while the interactive interface is being interacted with by the use and for determining a selection of an input option made by the user.

Abstract: A system, method, and computer program product for hierarchical categorization of sound comprising one or more neural networks implemented on one or more processors. The one or more neural networks are configured to categorize a sound into a two or more tiered hierarchical coarse categorization and a finest level categorization in the hierarchy. The categorization sound may be used to search a database for similar or contextually related sounds.

Abstract: The present disclosure provides a space measuring apparatus. The apparatus includes: a light emitting component configured to: emit a measurement pulse set, in which the measurement pulse set includes at least two pulse strings corresponding to at least two different emitting angles, each pulse string of the at least two pulse strings includes at least one optical pulse with a same emitting angle; and record pulse set characteristics of the measurement pulse set; and a calculation component configured to form at least one to-be-determined pulse set by combining at least two optical pulses received in a second time interval; determine whether the at least one to-be-determined pulse set is valid according to the pulse set characteristics recorded by the light emitting component; and calculate, according to the pulse set characteristics of pulse sets which are determined as valid, at least one of measurement distance and light intensity.

Abstract: Methods and systems are provided for providing real world assistance by a robot utility and interface device (RUID) are provided. A method provides for identifying a position of a user in a physical environment and a surface within the physical environment for projecting an interactive interface. The method also provides for moving to a location within the physical environment based on the position of the user and the surface for projecting the interactive interface. Moreover, the method provides for capturing a plurality of images of the interactive interface while the interactive interface is being interacted with by the use and for determining a selection of an input option made by the user.

Abstract: A laser radar system and a spatial measurement method are provided. The laser radar system comprises: a light-emitting unit array, comprising at least one light-emitting unit that is provided at a preset light-emitting position and can control the charactristics-information of emitted light; an optical scanning unit, configured to generate a scanning angle for transmitting light M intended for scanning a target scenario, and determine a first control scanning angle; a light-receiving unit array, comprising at least one light-receiving unit configured to receive the charactristics-information of reflected light after the emitted light passes through the target scenario; and a processor for determining at least one of the scanning angle and a distance between the target scenario and the light-receiving unit according to the preset light-emitting position, the first control scanning angle, the charactristics-information of the emitted light, and the charactristics-information of the reflected light.

Abstract: In sequence level prediction of a sequence of frames of high dimensional data one or more affective labels are provided at the end of the sequence. Each label pertains to the entire sequence of frames. An action is taken with an agent controlled by a machine learning algorithm for a current frame of the sequence at a current time step. An output of the action represents affective label prediction for the frame at the current time step. A pool of actions taken up until the current time step including the action taken with the agent is transformed into a predicted affective history for a subsequent time step. A reward is generated on predicted actions up to the current time step by comparing the predicted actions against corresponding annotated affective labels.

Abstract: Provided is a system with image sensors combination, including: a plurality of image sensors located in a same semiconductor chip package; and a controller for controlling the plurality of image sensors to operate in coordination, wherein each image sensor includes: a plurality of photosensitive pixel cells to be simultaneously exposed to generate analog photosensitive signals; an analog-to-digital converters for converting the analog photosensitive signals generated by the plurality of photosensitive pixel cells into image sensor signals; and a timing circuit for controlling the generation, readout, and transmission of electrical signals.

Abstract: A domain adaptation module is used to optimize a first domain derived from a second domain using respective outputs from respective parallel hidden layers of the domains.

Abstract: The present disclosure provides a 3D image sensor ranging system, a ranging method using the same, and an apparatus for optical ranging. The system comprises: at least one light-emitting unit array, each of the light-emitting unit array comprising at least one light-emitting unit, configured to emit light to a target scenario; at least one photosensitive unit array, each of the photosensitive unit array comprising at least one photosensitive unit, configured to receive at least a part of light emitted by the light-emitting unit and reflected by the target scenario, and generate a sensing tensor based on received light; and at least one computing component, configured to calculate at least one of a distance between the light-emitting unit and the target scenario or a light intensity of the reflected light of the emitted light, where the distance and the light intensity correspond to an angle of the emitted light, based on the sensing tensor generated by the at least one photosensitive unit.

Abstract: The present disclosure provides an optical waveguide device used in a laser detection and ranging system (lidar). The optical waveguide device includes: a waveguide inlet configured to receive a first light signal; a waveguide body configured to guide the first light signal to transmit in the optical waveguide device; and a waveguide outlet configured to output a second light signal exited after the first light signal is guided; a ratio of the area of the waveguide inlet to that of the waveguide outlet is greater than a first preset ratio, and transmission efficiencies of the optical waveguide device in first and second directions are different, the transmission efficiency in the first direction is greater than a first threshold, the transmission efficiency in the second direction is less than a second threshold. With this optical waveguide device, effects of long measurement distance, high angular resolution and small volume can be achieved.

Abstract: The present application discloses a 3D imaging method, device and depth camera, wherein, the 3D imaging method includes: acquiring depth information of points in a to-be-captured scene corresponding to at least one pixel; generating a 3D image of the to-be-captured scene based on the acquired depth information; and determining the depth information of the each of the points in the to-be-captured scene corresponding to the at least one pixel based on a result of the distributing. This implementation utilizes multiple charge collection areas to collect the charges obtained by photoelectric conversion of the light that reaches the pixels, thereby achieving the capture of the depth information of points in the to-be-captured scene corresponding to each pixel.

Abstract: Disclosed is a three-dimensional imaging system. The system comprises: an optical emitter that emits light pulses to a target scene; an optical modulator that modulates the optical state of at least part of the light pulses emitted from the optical emitter and/or of at least part of light pulses returned from the target scene; an optical element array that receives a modulated light pulses; a photoelectric detector that comprises an imaging lens, and receives an optical signal passing through the optical element array and converts the received optical signal into an electrical signal; and a controller, wherein the controller applies a control to the optical modulator by means of a circuit, the optical modulator modulates the optical state of the light pulses into a function of time on the basis of the control.