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: 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: 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: 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: 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.

Abstract: The present disclosure provides a three-dimensional distance measurement method and device. A three-dimensional distance measurement device includes: at least a light source unit, configured to emit light pulses to illuminate a scene to be measured; at least an optical transmission unit, configured to control transmission of a reflected light obtained after the light pulses are reflected by an object in the scene to be measured; at least a photoreceptor unit, configured to receive a light transmitted through the optical transmission unit to perform imaging; and at least a processor unit, configured to control the light source unit, the optical transmission unit and the photoreceptor unit, and to determine scene distance information of the scene to be measured based on an imaging result of the photoreceptor unit.

Abstract: Provided is a method for controlling a vehicle, including: receiving a plurality of visual sensor signals containing three-dimensional visual information outside and inside the vehicle; receiving a plurality of audio sensor signals containing three-dimensional audio information outside and inside the mobile vehicle; determining three-dimensional spatial positions of at least two objects and object cognitive information of the at least two objects according to at least a portion of the plurality of visual sensor signals and at least a portion of the plurality of audio sensor signals, wherein the at least two objects include at least one object outside the vehicle and at least one object inside the vehicle; obtaining a circumstance information of the vehicle according to the object cognitive information; and determining operation instructions for the vehicle according to the circumstance information.

Abstract: The present disclosure provides a three-dimensional distance measuring method and device. The three-dimensional distance measuring method includes: emitting a first light pulse to illuminate a scene, and acquiring a first image of the scene within a first exposure time; emitting a second light pulse to illuminate the scene, and acquiring a second image of the scene within a second exposure time; acquiring scene distance information of the scene based on the first image of the scene and the second image of the scene, wherein the ratio of the first pulse envelope of the first light pulse to the second pulse envelope of the second light pulse is a monotonic function of time.

Abstract: A laser radar (100) and a method (6000) for generating laser point cloud data. The laser radar (100) comprises: a laser transceiver (110), wherein the laser transceiver (110) comprises a laser emitter and a laser receiver, the laser receiver determines distance information (111) of the laser transceiver (110) away from an object on the basis of laser emitted by the laser emitter and reflected by the object, and the laser transceiver (110) does not record orientation information (112) of the object; a position sensor (120), the position sensor (120) determining the orientation information (112) of the object on the basis of the laser reflected by the object; and a processor (130), the processor (130) communicating with the laser transceiver (110) and the position sensor (120) and obtaining the laser point cloud data of the object on the basis of the distance information (111) and the orientation information (112).

Abstract: The present disclosure discloses a system, a method and a device for generating depth image. The system includes an illumination source, an optical system, a control device, and at least one set of a dynamic aperture and an image sensor, wherein the dynamic aperture is configured to dynamically change a light transmittance, an exposure start time, and an exposure end time under a control of the control device. The control device is configured to acquire a first photo and a second photo, and generate a depth image of the target scene according to the first photo, the first shooting configuration information, the second photo, and the second shooting configuration information.

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: The present disclosure discloses a system, a method and a device for generating depth image. The system includes an illumination source, an optical system, a control device, and at least one set of a dynamic aperture and an image sensor, wherein the dynamic aperture is configured to dynamically change a light transmittance, an exposure start time, and an exposure end time under a control of the control device. The control device is configured to acquire a first photo and a second photo, and generate a depth image of the target scene according to the first photo, the first shooting configuration information, the second photo, and the second shooting configuration information.

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: The present disclosure provides a three-dimensional distance measuring method and device. The three-dimensional distance measuring method includes: emitting a first light pulse to illuminate a scene, and acquiring a first image of the scene within a first exposure time; emitting a second light pulse to illuminate the scene, and acquiring a second image of the scene within a second exposure time; acquiring scene distance information of the scene based on the first image of the scene and the second image of the scene, wherein the ratio of the first pulse envelope of the first light pulse to the second pulse envelope of the second light pulse is a monotonic function of time.

Abstract: Provided is a method for controlling a vehicle, including: receiving a plurality of visual sensor signals containing three-dimensional visual information outside and inside the vehicle; receiving a plurality of audio sensor signals containing three-dimensional audio information outside and inside the mobile vehicle; determining three-dimensional spatial positions of at least two objects and object cognitive information of the at least two objects according to at least a portion of the plurality of visual sensor signals and at least a portion of the plurality of audio sensor signals, wherein the at least two objects include at least one object outside the vehicle and at least one object inside the vehicle; obtaining a circumstance information of the vehicle according to the object cognitive information; and determining operation instructions for the vehicle according to the circumstance information.

Abstract: An optical system having an input surface configured to receive an input optical signal having a polarization, and a polarization changer comprising the input surface and configured to generate two orthogonal polarization components from the input optical signal. The polarization changer also changes a direction of the polarization of the input optical signal in a controlled manner as a function of time while maintaining coherence of the two orthogonal polarization components in order to reduce stimulated Brillion scattering.

Abstract: An optical system having an input surface configured to receive an input optical signal having a polarization, and a polarization changer comprising the input surface and configured to generate two orthogonal polarization components from the input optical signal. The polarization changer also changes a direction of the polarization of the input optical signal in a controlled manner as a function of time while maintaining coherence of the two orthogonal polarization components in order to reduce stimulated Brillion scattering.