Abstract: Provided are an apparatus and method for calibrating distortion of a polygonal mirror rotating light wave detection and ranging (LiDAR) sensor. The apparatus includes a polygonal mirror rotating LiDAR fixedly installed at a predetermined position and replaceable, and a calibration reference model fixedly installed at a predetermined position and including a vertical pillar to be detected by the polygonal mirror rotating LiDAR sensor, in which the polygonal mirror rotating LiDAR sensor includes a controller configured to obtain n pieces of scan data using n polygonal mirrors (n is an integer greater than or equal to 2) and calibrate positions of the vertical pillar in pieces of scan data on the basis of position data of the vertical pillar in a specific piece of scan data among the n pieces of scan data.

Abstract: A method of correcting distance distortion to improve detection accuracy of a Light Detection and Ranging (LiDAR) according to one embodiment of the present disclosure includes acquiring measurement data for detecting a target by the LiDAR, estimating a range of a distance offset through comparison between the measurement data and reference data, estimating the distance offset based on a correlation coefficient between the measurement data and the reference data in the range of the distance offset, and correcting the measurement data using the estimated distance offset.

Abstract: Provided are an apparatus for manufacturing a light detection and ranging (LiDAR) receiver and a method of manufacturing a LiDAR receiver. In the apparatus for manufacturing a LiDAR receiver according to one embodiment of the present disclosure, a receiver board is coupled integrally to a barrel having one side provided with a lens after the receiver board having one side on which a light detection element is mounted is aligned with the other side of the barrel, and the apparatus includes a base plate having a plate shape, a light source unit, and a receiver alignment unit, wherein the light source unit may include a light-emitting module and a light-emitting module fixing member, and the receiver alignment unit may include an alignment plate having a plate shape, a barrel fixing member, a receiver board fixing member, and a receiver board alignment member.

Abstract: A LIDAR device is disclosed. A LIDAR device according to one embodiment of the present invention comprises: a light transmitting unit for transmitting laser light; a light receiving unit for receiving the laser light received by being reflected from the outside; a scanner including a transmitting mirror unit that has a reflective surface for reflecting the laser light transmitted from the light transmitting unit and transmitting the same to the outside, and a receiving mirror unit that has a reflective surface for reflecting the laser light reflected from the outside and transmitting the same to the light receiving unit; and an optical path dividing unit disposed in the vicinity of the scanner so as to block, from flowing into the light receiving unit, scattered light of a propagating laser light reflected from the transmitting mirror unit.

Abstract: A LIDAR apparatus is disclosed. A LIDAR apparatus according to an embodiment of the present invention comprises a cover window which covers a transmission path and reception path of laser light and is disposed in the same, and comprises a heating unit which covers a surface of the cover window and is disposed at the same, and a heating control unit connected to the heating unit to control the same.

Abstract: A LIDAR device is disclosed. A LIDAR device according to one embodiment of the present invention comprises: a laser unit; and a scanner unit, wherein the laser unit comprises: a first laser module for emitting and receiving a laser in a first direction; and a second laser module, disposed in a stacked form with the first laser module, for emitting and receiving a laser in a second direction, wherein the scanner unit comprises: a first polygon mirror which is rotated and has a plurality of mirrors which reflect the laser emitted from the first laser module and the laser received by the first laser module; and a second polygon mirror which is disposed in a stacked form with the first polygon mirror and rotated integrally with the first polygon mirror, and has a plurality of mirrors which reflect the laser emitted from the second laser module and the laser received by the second laser module.

Abstract: Disclosed are a light detection and ranging (LIDAR) for both short range and long range based on a single light source, and a vehicle including the same. The lidar includes: a transmitter configured to generate and transmit light; a first receiver configured to receive light reflected from an object within a first detection region of a short range; and a second receiver configured to receive light reflected from an object within a second detection region of a long range, wherein a two-dimensional region of the second detection region at least partially overlapping the first detection region is included in the first detection region.

Abstract: A light detection and ranging (LIDAR) device according to one embodiment of the present disclosure includes: a light transmitting unit including a plurality of laser transmission channels for transmitting laser light for detecting an external object in an allocated transmission time slot; a light receiving unit including a plurality of laser reception channels for receiving the laser light reflected by the external object in a reception time slot allocated to correspond to the transmission time slot, N laser reception channels (N is a natural number greater than or equal to 2) being allocated to each of the reception time slots; and a signal amplification unit configured to sequentially amplify the laser light received by the light receiving unit according to the order of the reception time slots, and having N channels allocated in one-to-one correspondence with the N laser reception channels for each of the reception time slots.

Abstract: The present invention relates to a light detection and ranging (LiDAR) system. The LiDAR system may include a transceiver configured to generate pieces of light having different wavelengths and receive pieces of reflected light having different wavelengths reflected from a target, a beam splitter configured to divide the pieces of light having the different wavelengths into long-wavelength light having a relatively long wavelength and short-wavelength light having a relatively short wavelength, and a scan mirror configured to transmit the long-wavelength light and the short-wavelength light, which are divided by the beam splitter, to an outside and allow reflected light of the long-wavelength light and reflected light of the short-wavelength light to be incident on the transceiver through the beam splitter.

Abstract: The present invention relates to a timing compensation device for an optical output signal of a Lidar and a method thereof, including an encoder for detecting a rotation period of a motor provided in a scanner, a Lidar controller for detecting a jitter time from the rotation period of the motor detected by the encoder, creating a histogram including a mode of a jitter time, and performing optical output control at a time point of the rotation period of the motor or when the mode of the jitter time is compensated for the rotation period of the motor; and a light transmitter for outputting laser light to the scanner according to the optical output control of the Lidar controller.

Abstract: Disclosed is a spatial division structure.

Abstract: Disclosed are a light receiving module and a light detection and ranging (LIDAR) including the same.

Abstract: The present disclosure provides a lidar apparatus, comprising: a light source for emitting pulsed light; a light sensor for detecting reflected light by an object from which the pulsed light is reflected and returned; a reflector having a plurality of reflective surfaces, and for reflecting the pulsed light and transmitting it to the object, and reflecting the reflected light and transmitting it to the light sensor; a motor for rotating the reflector; an encoder for detecting a rotational position of the reflector and outputting a detection signal; and a controller for controlling emission timing of the light source and detection time of the light sensor using the detection signal.

Abstract: Provided are a structure and alignment method of array antennas for a vehicle radar, the structure and method being able to adjust the locations, number of channels, number of arrays, and channel distance according to the type of antennas, so as to minimize a space occupied by the antennas while maintaining the radiation efficiency of the antennas. Even in a case in which conditions regarding the location of the array antennas and the number of channels are changed within designated ranges, the efficient array antenna structure minimizes the area of array antennas for a vehicle while maintaining the detection ability of the array antennas.

Abstract: The present disclosure relates to a radar apparatus and antenna apparatus therefor.

Abstract: A light reflection device is disclosed. The light reflection device according to an exemplary embodiment of the present disclosure includes a first reflector configured to reflect an optical signal emitted from a light output unit to an object, a second reflector configured to reflect the optical signal reflected from the object to a light receiving unit, a blocking plate interposed between the first reflector and the second reflector, a motor configured to rotate at least one of the first reflector, the second reflector, and the blocking plate, and a coupling part configured to couple the first reflector, the second reflector, and the blocking plate so that the first reflector, the second reflector, and the blocking plate rotate at the same angle on the basis of a rotation axis.

Abstract: The present disclosure relates to an apparatus and method for determining the angle of the target detected by the radar of the vehicle. The target angle determination apparatus may be configured to calculate a first angle of the first group target included in the radar data by using the first angle calculation algorithm with the low resolution, to determine a part of the first group target and the second group target based on the possible driving route of the host vehicle, and to calculate the second angle of the second angle target selected from the first group target by using the second angle calculation algorithm with the high resolution based on the possible driving route of the host vehicle, so that it is possible to minimize unnecessary calculation operations and reduce the system load.

Abstract: Provided are a structure and alignment method of array antennas for a vehicle radar, the structure and method being able to adjust the locations, number of channels, number of arrays, and channel distance according to the type of antennas, so as to minimize a space occupied by the antennas while maintaining the radiation efficiency of the antennas. Even in a case in which conditions regarding the location of the array antennas and the number of channels are changed within designated ranges, the efficient array antenna structure minimizes the area of array antennas for a vehicle while maintaining the detection ability of the array antennas.

Abstract: The present disclosure relates to an apparatus and method for determining the angle of the target detected by the radar of the vehicle. The target angle determination apparatus may be configured to calculate a first angle of the first group target included in the radar data by using the first angle calculation algorithm with the low resolution, to determine a part of the first group target ad the second group target based on the possible driving route of the host vehicle, and to calculate the second angle of the second angle target selected from the first group target by using the second angle calculation algorithm with the high resolution based on the possible driving route of the host vehicle, so that it is possible to minimize unnecessary calculation operations and reduce the system load.