Abstract: A lidar apparatus is disclosed. The lidar apparatus according to an exemplary embodiment of the present disclose includes a laser generating source for generating a laser; a fixture fixedly disposed on an installation object; a rotating body disposed to rotate about a rotation axis with respect to the fixture, and provided with a laser transmitting module for transmitting a laser generated by the laser generating source to the outside and a laser receiving module for receiving a laser reflected from an external object; and a light guide unit disposed on the rotation axis to transmit a laser generated by the laser generating source from the fixture to the rotating body.

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: 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 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 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: 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: 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: 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: Disclosed is a spatial division structure.

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: The board structure for transmitting and receiving in a lidar device according to the present disclosure is installed in the lidar device, and includes a lens barrel having a lens mounted on a first inner circumferential surface so as to be movable, and having at least one first connection part provided on a first outer circumferential surface; a guide barrel having at least one second connection part connected to the first connection part on a second outer circumferential surface, and having a first fixing hole formed to penetrate from the second outer circumferential surface to a second inner circumferential surface; a transmission/reception board having a diode mounted on a part of an upper surface and at least partially inserted into an inner space of the guide barrel; and a first support member that penetrates through the first fixing hole and supports an upper surface or lower surface of the transmission/reception board.

Abstract: The present disclosure relates to a wide field-of-view (FOV) lidar and a vehicle with multiple galvanometer scanners. The lidar according to an exemplary embodiment of the present disclosure includes a transmitter for generating light to output to an object, a receiver for receiving the light reflected from the object, and a signal processor for processing signals for the light of the transmitter and the receiver, wherein the transmitter includes first and second galvanometer scanners in which the direction of a rotation axis thereof is located on a line of the same axis.

Abstract: A lidar apparatus is disclosed. The lidar apparatus according to an exemplary embodiment of the present disclose includes a laser generating source for generating a laser; a fixture fixedly disposed on an installation object; a rotating body disposed to rotate about a rotation axis with respect to the fixture, and provided with a laser transmitting module for transmitting a laser generated by the laser generating source to the outside and a laser receiving module for receiving a laser reflected from an external object; and a light guide unit disposed on the rotation axis to transmit a laser generated by the laser generating source from the fixture to the rotating body.

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: Image processing includes generating image data for an image, the image data including an array of original pixels. Respective first pixels for the image are interpolated from respective pluralities of original pixels adjacent the interpolated first pixels. Respective second pixels for the image are interpolated from respective pluralities of original pixels adjacent the interpolated second pixels using image information generated in the interpolation of the interpolated first pixels.

Abstract: Image processing includes generating image data for an image, the image data including an array of original pixels. Respective first pixels for the image are interpolated from respective pluralities of original pixels adjacent the interpolated first pixels. Respective second pixels for the image are interpolated from respective pluralities of original pixels adjacent the interpolated second pixels using image information generated in the interpolation of the interpolated first pixels.