Abstract: A system for processing radar data includes a radar device, at least one processor, and at least one memory including a computer program code. The at least one memory and the computer program code are configured to, with the at least one processor, cause the system to, acquire, from the radar device, first radar data corresponding to a target area and second radar data generated before the first radar data, convert at least a part of the second radar data based on a time difference between a time point at which the first radar data is acquired and a time point at which the second radar data is acquired, and generate refined data by considering the converted second radar data for trajectory processing along with the first radar data.

Abstract: A method for deriving an adjustment angle for a radar sensor installed in a vehicle, includes transmitting radar signals through the radar sensor during the driving of the vehicle; receiving radar signals reflected from a target; generating point cloud data based on the received radar signals; deriving adjustment feature information based on the point cloud data; performing fitting of the adjustment feature information with respect to a cosine graph; deriving an adjustment angle based on the fitted adjustment feature information; and post-processing the point cloud data based on the derived adjustment angle.

Abstract: A radar device includes a housing configured to have a shape in which at least a portion of one surface in a transmission direction of radar signals is open; a circuit board configured to be disposed inside the housing and include a radar chip; a radome configured to be integrally coupled to the housing to cover at least a portion of the one surface of the housing; and a heat sink configured to be integrally formed with the housing and thermally connected to the radar chip.

Abstract: A device that senses weather conditions using a radar device installed in a vehicle includes a transceiver configured to: transmit, through the radar device, radar signals to an outside of the vehicle based on a first mode or a second mode different from each other in sensing range, and receive radar signals reflected by an object; a data generation unit configured to generate first radar data corresponding to the first mode and second radar data corresponding to the second mode based on the reflected radar signals; and a sensing unit configured to sense a weather condition while the vehicle is driving, based on the first radar data and the second radar data using a pre-trained model.

Abstract: A device for determination of a sleep event using a radar includes a transceiver configured to transmit a radar signal toward a subject and receives the radar signal reflected from the subject; an average breathing signal derivation unit configured to derive an average breathing signal of the subject based on the radar signal; a breathing feature information generation unit configured to compare the radar signal with the average breathing signal and generate breathing feature information of the subject; a prediction information derivation unit configured to derive event occurrence prediction information for a plurality of sleep items based on the breathing feature information; and a sleep event determination unit configured to determine whether a sleep event has occurred in the subject based on the event occurrence prediction information.

Abstract: A radar includes a transmitter antenna unit including a plurality of transmitter antennas; a receiver antenna unit including a plurality of receiver antennas; a transceiver configured to transmit sending signals through the transmitter antenna unit and receive return signals reflected from a target object trough the receiver antenna unit; and a processing unit configured to derive information about the target object by processing the received return signals. The processing unit selects at least one of the plurality of transmitter antennas and sets the selected at least one transmitter antenna to one of a mid/long-range detection mode or a short-range detection mode. One of the transmitter antenna unit or the receiver antenna unit forms a vertical offset.

Abstract: An object detection radar apparatus is installed in a vehicle and is configured to detect an object. The object detection radar apparatus includes a transceiver configured to transmit a radar signal to the outside of the vehicle and receive a radar signal reflected from the object; a driving environment detector configured to detect a driving environment of the vehicle based on an operation status of the vehicle; an object detector configured to detect the object based on the received radar signal; and a controller configured to determine whether or not a predetermined event occurs based on the driving environment of the vehicle or a result of the detection of the object, and control signal characteristics of the transmitted radar signal or the received radar signal when the predetermined event occurs.

Abstract: An apparatus for detecting an object using a radar sensor and an image sensor includes an object sensing unit configured to: sense a first object through the radar sensor installed to sense a target road and sense a second object through the image sensor installed to sense the target road; an object matching unit configured to match the first object with the second object; a lookup table management unit configured to generate a lookup table for the target road based on the first object and the second object which are matched with each other; and a complementation unit configured to complement a sensing result from the radar sensor or a sensing result from the image sensor based on the generated lookup table.

Abstract: A local server for controlling road traffic comprising a collecting unit configured to collect detection information for a detection area of at least one fusion sensor installed in a target road from the fusion sensor and a traffic information generating unit configured to generate traffic information about the target road based on the collected detection information, wherein an event set area for detecting at least one lane in the target road is set within the detection area.

Abstract: A waveguide antenna includes a base part including an accommodation portion that accommodates an integrated circuit and configured to separate an output of the integrated circuit into a first electromagnetic wave and a second electromagnetic wave having different frequencies from each other; a waveguide part provided on the base part and including a first waveguide and a second waveguide that guide the first electromagnetic wave and the second electromagnetic wave in different directions; and a cover part provided to cover at least a part of the waveguide part and including a first directional surface to which the first electromagnetic wave is radiated and a second directional surface to which the second electromagnetic wave is radiated.

Abstract: A device of detecting a kick using a radar signal according to an embodiment of the present disclosure includes: a transceiver configured to transmit a radar signal toward a subject and receive a radar signal reflected from the subject; a feature derivation unit configured to derive feature information of the subject based on the radar signal; a movement collection unit configured to determine whether or not to enter a kick determination state based on the feature information; and a kick determination unit configured to determine whether a movement of the subject is a valid kick based on the collected feature information in the kick determination state.

Abstract: A fall detection device according to an embodiment of the present disclosure includes: a transceiver configured to transmit a radar signal toward a subject and receive a radar signal reflected from the subject; an observation determination unit configured to determine whether or not to enter an observation state of the subject by analyzing the received radar signal; and a fall determination unit configured to derive a range value between the transceiver and the subject in the observation state and determine whether the subject has fallen based on the range value.

Abstract: A radar device includes a plurality of transmit antennas, a plurality of receive antennas, and a monolithic microwave integrated circuit (MMIC) configured to control the plurality of transmit antennas and the plurality of receive antennas. The MIMIC is configured to, transmit a radar signal through the plurality of transmit antennas in accordance with a Doppler division multiple access (DDMA), receive a reflected signal, which is at least a part of the radar signal reflected from a target, through the plurality of receive antennas, estimate a transmit antenna corresponding to the reflected signal among the plurality of transmit antennas based on a phase corresponding to the received reflected signal, and obtain radar data corresponding to the target based on the estimated transmit antenna and the reflected signal.

Abstract: A system for processing radar data includes a radar device, at least one processor, and at least one memory including a computer program code. The at least one memory and the computer program code are configured to, with the at least one processor, cause the system to, acquire, from the radar device, first radar data corresponding to a target area and second radar data generated before the first radar data, convert at least a part of the second radar data based on a time difference between a time point at which the first radar data is acquired and a time point at which the second radar data is acquired, and generate refined data by considering the converted second radar data for trajectory processing along with the first radar data.

Abstract: A system for enhancing radar data includes a radar device, at least one processor, and at least one memory including a computer program code. The at least one memory and the computer program code are configured to, with the at least one processor, cause the system to acquire first radar data corresponding to a target area through the radar device, convert the acquired first radar data into a first image, infer a second image from the first image based on a pretrained artificial intelligence model, and generate a second radar data corresponding to the target area that are enhanced to have a higher resolution than the first radar data based on the inferred second image. The pretrained artificial intelligence model has been trained based on first training radar data and second training radar data with a higher resolution than the first training radar data.

Abstract: The waveguide antenna device includes a first circuit board including a first integrated circuit configured to output a first transmission signal and receive a first reflection signal; and a first waveguide disposed on the first circuit board and configured to guide the first transmission signal and the first reflection signal. The first waveguide includes a first separating pipe configured to guide the first transmission signal in a first direction and in a second direction different from the first direction and a first receiving pipe configured to guide the first reflection signal received in the first direction to the first integrated circuit.

Abstract: A device for analysis of sleep time using a radar includes a transceiver configured to transmit a radar signal toward a subject and receive the radar signal reflected from the subject; a breathing signal collection unit configured to collect a breathing signal of the subject based on the radar signal; a first sleep time detection unit configured to detect a first sleep time of the subject from the breathing signal based on a presence discriminator; a second sleep time detection unit configured to detect a second sleep time of the subject based on a probability value of the first sleep time; and a final sleep time determination unit configured to determine a final sleep time of the subject based on the second sleep time.

Abstract: A radar apparatus includes a transceiver that transmits a radar signal and receives a radar signal reflected from an object; a signal processing unit that processes the reflected radar signal to detect the object; a fusion data generation unit that generates fusion data based on radar data and camera data; and a classification unit that classifies the detected object using an artificial intelligence module trained based on the generated fusion data.

Abstract: Facial identification of subjects using a millimeter wave radar sensor, including: transmitting a radar signal onto faces of subjects using the millimeter wave radar sensor; receiving and accumulating reflected radar data, wherein the reflected radar data is received from channels of multiple receiving antennas; converting the reflected radar data into an image form suitable as an input to a convolutional neural network; and performing the facial identification on the image form using a classifier trained by the convolutional neural network.

Abstract: Extracting target information from signals of a radar and measurement environments, including: transmitting frequency-modulated continuous wave transmit signal using the radar; receiving reflected signal reflected from a human face at multiple antenna elements; multiplying the transmit signal with the reflected signal using a mixer to produce a mixed signal; passing the mixed signal through a low pass filter to produce a baseband signal including sinusoidal signals; extracting a frequency of each sinusoidal signal from the baseband signal to produce extracted frequencies; and measuring a distance between the human face and the radar using the extracted frequencies.