Abstract:
A lidar apparatus for vehicles is provided. The lidar apparatus includes a transmission unit configured to output a beam, and a reception unit configured to acquire reflection light formed as the result of the beam being reflected by an object. The transmission unit includes a light generation unit configured to generate transmission light that contains the beam, a first beam steering unit configured to steer the beam in a first direction, and a second beam steering unit configured to steer the beam in the second direction.
Abstract:
The lidar system includes a light source array in which a plurality of point light sources is simultaneously turned on to generate a laser beam in a form of a surface light source in a flash mode, and positions of the point light sources that are simultaneously turned on are sequentially shifted to generate a laser beam in a form of a point light source or line light source in a scan mode, a light scanner, and a receiving sensor receiving the laser beam and converting the received laser beam into an electrical signal through activated pixels. According to the lidar system, one or more of an autonomous vehicle, an AI device, and an external device may be linked with an artificial intelligence module, a drone ((Unmanned Aerial Vehicle, UAV), a robot, an AR (Augmented Reality) device, a VR (Virtual Reality) device, a device associated with 5G services, etc.
Abstract:
Provided are a lidar system and an autonomous driving system using the same. A lidar system includes; a light emitter configured to include a light source generating a laser beam and a scanner moving the laser beam from the light source to scan an object with the laser beam; a receiving sensor configured to include a plurality of pixels converting a received signal of light received from the object into an electrical signal; and a sensor controller configured to synchronize the scanner with the receiving sensor and activate some pixel of the receiving sensor corresponding to a scan angle of the scanner. The laser beam is converted into the electrical signal by the activated pixels. According to the lidar system, one or more of an autonomous vehicle, an AI device, and an external device may be linked with an artificial intelligence module, a drone, a robot, an AR (Augmented Reality) device, a VR (Virtual Reality) device, a device associated with 5G services, etc.
Abstract:
A light detection and ranging (lidar) apparatus for a vehicle may include: a transmission unit configured to output transmission light; a reception unit configured to receive reflection light that results from the transmission light being reflected by an object; and at least one processor. The at least one processor may be configured to: based on a driving state of the vehicle, adjust an angle of beam steering of the transmission light.
Abstract:
A laser distance measuring device and a control method for the same are disclosed. More specifically, disclosed herein are a laser distance measuring device capable of quickly measuring horizontal and vertical distances using laser and a control method for the same. The laser distance measuring device may include a light transmitter, a light receiver, a sensing unit, and a controller configured to perform an control operation to emit split laser through the light transmitter, acquire time difference information indicating a difference between a time to emit the split laser and a time to sense, through the sensing unit, the split laser reflected from a target position, and calculate a distance to the target position using the time difference information.
Abstract:
Provided are a lidar system and an autonomous driving system using the same. The lidar system includes: a light emitter configured to include a light source generating a laser beam and a scanner moving the laser beam from the light source to scan an object with the laser beam; a receiving sensor configured to convert light reflected and received by the object into an electrical signal; and a signal processor configured to include a trans impedance amplifier amplifying an output signal of the receiving sensor, an analog to digital converter converting an output signal of the trans impedance amplifier into a digital signal, and a gain controller varying a gain of the trans impedance amplifier. According to the lidar system, an autonomous vehicle, an AI device, and an external device may be linked with an artificial intelligence module, a drone, a robot, an Augmented or Virtual Reality device, etc.
Abstract:
In the present disclosure, a structure of a 3-dimensional space measurement device is maximally simplified to be easily carriable by a user to measure a 3-dimensional spatial data. For simplifying the structure, a light transmission unit and a light reception unit are fixed to a support plate, and the support plate is fixed to a rotation unit. Provided are a 3-dimensional space measurement device capable of adjusting a rotation angle of the rotation unit and a tilt angle of the support plate to efficiently measure a distance and space, and a measurement method of a distance and space for making 3-dimensional spatial data.