G01S7/2922

OBJECT DETECTION DEVICE
20220229176 · 2022-07-21 · ·

An object detection device includes: a transmission unit transmitting a first transmission wave; a reception unit receiving a first reception wave reflected by an object; a signal processing unit sampling a first processing target signal according to the first reception wave and acquiring a difference signal based on a difference between the first processing target signal for at least one sample at a certain detection timing, and the first processing target signal for a plurality of samples in at least one of first and second periods; a threshold setting unit setting a threshold as a comparison target with the value of the difference signal, based on variation in the values of the first processing target signal for the plurality of samples; and a detection unit detecting information about the object at the detection timing based on a comparison result between the value of the difference signal and the threshold.

ELECTRONIC DEVICE, METHOD FOR CONTROLLING ELECTRONIC DEVICE, AND PROGRAM

An electronic device includes a transmission antenna that transmits a transmission wave, a reception antenna that receives a reflected wave that is the transmission wave having been reflected, and a control unit. The control unit detects a target by using a constant false alarm rate, based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave. The control unit establishes reference regions on a far side in a distance direction with respect to a test region in a distribution of signal intensities based on the reception signal in the distance direction, and sets a threshold for use in detection of the target, based on an order statistic among the signal intensities in the reference regions.

Signal-to-Noise Ratio Range Consistency Check for Radar Ghost Target Detection

Systems, apparatuses, and methods to response to distinguish a ghost target from an actual target based on radar signals is provided. In particular, the disclosure provides an intrusion detection system adapted to receive radar signals and distinguish a potential ghost target from a legitimate target based on a signal to noise ratio of the radar signals and a range to the ghost target and the legitimate target.

Object detection device, object detection method, and sensor device

A search area width setting unit for setting a search area width having a frequency corresponding to a signal component of an object by using detection information of the object is included, and a signal component selecting unit determines a search area having the search area width set by the search area width setting unit and selects a signal component a frequency of which is included in the search area from each of a signal received by a signal receiving unit and signals received by object detection devices. As a result, an increase in the false detection probability of the object can be suppressed even in a case where the reception signals have low signal power-to-noise power ratios.

INFORMATION PROCESSING DEVICE AND INFORMATION PROCESSING METHOD, IMAGING DEVICE, COMPUTER PROGRAM, INFORMATION PROCESSING SYSTEM, AND MOVING BODY DEVICE
20210264224 · 2021-08-26 · ·

Provided is an information processing device for performing fusion processing of a plurality of sensors for recognizing the outside world.

An information processing device includes a control unit that controls an amount of information to be used for object detection in a first information sensed by a first sensor on the basis of second information sensed by a second sensor. The first sensor is a camera, and the second sensor is a radar. Then, the control unit determines the target area from the captured image on the basis of information on at least one of a position, a speed, or a size of an object detected by the radar.

Parking management system
11073609 · 2021-07-27 · ·

A method comprising, ascertaining and communicating, by a parking meter (102), presence of a vehicle in the parking space to a central server (104). Further, a session with a user device (112) of a user of the vehicle is established. Further, a parking validation message from the user device (112) is received. Further, a payment request message is transmitted to the user device (112). Further, the user device (112) transmits the payment request message to the central server (104) over a parking payment session. Further, an authorization status is received from the central server (104), where the authorization status indicates one of an authorized occupancy of the parking space and an unauthorized occupancy of the parking space. Further, a status indicator based on the authorization status is displayed, where the status indicator indicates one of the authorized occupancy of the parking space and the unauthorized occupancy of the parking space.

MULTIPLE THRESHOLD CHECKERS FOR SPECIFIC APPLICATIONS AND FFT BASED BREATHING DETECTION FOR PRESENCE

In accordance with embodiments, methods and systems for utilizing multiple threshold checkers are provided. A range sensor collects measurement data. The range sensor examines the measurement data based on multiple threshold checkers to determine satisfaction of a trigger condition. In response to the satisfaction of the trigger condition, the range sensor provides the measurement data to a host computing device of the range sensor.

Method for determining the detection threshold of a radar suited to a given environment
20210173067 · 2021-06-10 ·

The invention relates to a method for determining the detection threshold of a radar suited to a given environment, characterized in that it comprises at least: a step in which a set of statistical quantities characterizing said environment is selected; a step in which a set of functions is defined, each of said functions giving an intermediate detection threshold that is a function of statistical quantities taken from a subset of said set of statistical quantities; a step of combination of said intermediate detection thresholds, said detection threshold being the result of said combination.

Object detection apparatus

An object detection apparatus is provided with a distance measurement sensor that measures a distance to an object which exists in a surrounding area of a vehicle, by transmitting scanning waves to the surrounding of the vehicle and receiving reflection waves of the scanning waves, and an image acquiring section that is adopted to the vehicle, and is provided with an on-vehicle camera that captures images in the surrounding of the vehicle, the imaging acquiring section acquiring an image that is captured by the camera. The apparatus includes a determination section that determines whether, a predetermined object that is difficult to detect by the reflection waves of the distance measurement sensor is included in the object image, and a sensitivity control section that increases a sensitivity of the object detection by the distance measurement sensor and a vehicle control that is executed relative to the predetermined object as a target object.

NEAR FIELD USER DETECTION USING A RADAR SIGNAL ANALYSIS ASSOCIATED WITH A USER EQUIPMENT

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment receives a sliding window of measurements associated with a radar signal transmitted by the UE; determines that a user is within a threshold distance of the UE, wherein the threshold distance is determined to be a first distance when an energy measurement, associated with the radar signal, indicates an energy reduction satisfying a threshold energy reduction, or wherein the threshold distance is determined to be a second distance when the sliding window of measurements indicates an amount of energy variation satisfying a threshold amount of energy variation associated with the radar signal; and performs, based at least in part on determining that the user is within the threshold distance, an action associated with a communication signal of the UE. Numerous other aspects are provided.