A method for detecting motion may include: performing at least one scanning cycle on a monitored space using a radar apparatus; detecting and identifying at least one moving object in the monitored space, including detecting an actual displacement value for each moving object detected inside the monitored space between a detection cycle and a subsequent detection cycle; providing a threshold value of maximum allowable displacement associated with every moving object detected inside the monitored space between the detection cycle and the subsequent detection cycle; locating at least one semi-static zone in the monitored space, the at least one semi-static zone corresponding to a portion of the monitored space that surrounds at least one semi-static object; and generating an alarm signal only when, in the monitored space, at least one moving object situated outside the at least one semi-static zone is detected.

A method for detecting motion may include: performing at least one scanning cycle on a monitored space using a radar apparatus; detecting and identifying at least one moving object in the monitored space, including detecting an actual displacement value for each moving object detected inside the monitored space between a detection cycle and a subsequent detection cycle; providing a threshold value of maximum allowable displacement associated with every moving object detected inside the monitored space between the detection cycle and the subsequent detection cycle; locating at least one semi-static zone in the monitored space, the at least one semi-static zone corresponding to a portion of the monitored space that surrounds at least one semi-static object; and generating an alarm signal only when, in the monitored space, at least one moving object situated outside the at least one semi-static zone is detected.

Various embodiments of the present technology can include systems, methods, and non-transitory computer readable media configured to adaptively identify clutter points representing static objects from a sensor data scan. A plurality of sensor data scans are captured, by a sensor unit placed on a vehicle, at a plurality of consecutive time instants while the vehicle is traveling along a route. A set of target points from each of the plurality of sensor data scans is identified. A characteristic indicative of a trajectory pattern relating to one or more respective sets of target points is obtained from one or more sensor data scans taken at consecutive time instants. In response to determining that the characteristic satisfies a pre-defined condition, an indicator with the respective sets of target points is adopted as relating to one or more static objects in an environment at which the vehicle is situated.

Various embodiments of the present technology can include systems, methods, and non-transitory computer readable media configured to adaptively identify clutter points representing static objects from a sensor data scan. A plurality of sensor data scans are captured, by a sensor unit placed on a vehicle, at a plurality of consecutive time instants while the vehicle is traveling along a route. A set of target points from each of the plurality of sensor data scans is identified. A characteristic indicative of a trajectory pattern relating to one or more respective sets of target points is obtained from one or more sensor data scans taken at consecutive time instants. In response to determining that the characteristic satisfies a pre-defined condition, an indicator with the respective sets of target points is adopted as relating to one or more static objects in an environment at which the vehicle is situated.

A method for estimating an occupancy level of a geographic area includes transmitting first signals to and receiving second signals from bodies within the geographic area by backscattering of the first signals. The bodies include first bodies permanently within the geographic area and second bodies temporarily within the geographic area. According to the first and second signals, a first map of the first bodies within the geographic area is generated. At a specified time period, following a reference time period, transmission of the first signals, reception of the radio signals and generation of the first map is repeated. According to the first and second signals, a second map of the bodies within the geographic area is generated. A number of the second bodies within the geographic area during the specified time period is determined as the occupancy level based on comparing the first map to the second map.

A method of radar detection of targets in an environment, comprising cyclically obtaining a detection profile that associates with each position in the protected area an amount of radar signal that has been reflected, and detecting targets from the detection profile in different modes. A base mode is used for a first series of cycles and is insensitive to motionless targets and sensitive to dynamic targets that move between different locations in the protected area. When the base mode detects a target, two additional modes are started, which are active in different areas. In first areas, a fine movement detection mode is used, which also neglects motionless targets and may be more sensitive than the base mode. In second areas, a presence mode detects both dynamic and motionless targets. When neither the presence mode nor the fine movement mode detects any target for a sufficient time, no people in danger are deemed to be present in the area and the base mode may be restored.

Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for identifying gesture. A radar antenna array applied to mobile User Equipment (UE) includes a transmit (Tx) antenna array located on a horizontal line and configured to transmit radar waves and a receive (Rx) antenna array including horizontal Rx antennae arranged along a horizontal dimension and/or pitch Rx antennae arranged along a pitch dimension. The horizontal dimension and the pitch dimension are perpendicular to each other. The Rx antenna array is configured to receive echoes caused by reflection of the radar waves. The horizontal Rx antennae are located on the horizontal line where the Tx antenna array is located. The pitch dimension is perpendicular to the horizontal line. A transmitting parameter for transmitting the radar waves and a receiving parameter for receiving the echoes are used at least for identifying a gesture within a radiation range.

The purpose is to provide a radar apparatus which can create and display only necessary trail data. The radar apparatus may include an acquisition module, an echo data creation module, a memory, a trail data creation module, and a display unit. The acquisition module may acquire an echo based on a reflected wave from a target object, of a transmitted electromagnetic wave. The echo data creation module may create, based on the echo, echo data at least indicative of a position of the target object. The memory may store determination data set, for every given display area, whether trail data indicative of a moving trail of the target object is to be newly created based on the echo. The trail data creation module may create the trail data based on the echo and the determination data. The display unit may display the echo data and the trail data.

A method and system for identifying an object in one space monitored by at least one radar transceiver. The method comprises storing intervals of critical distance values (10) associated with the position of a fixed object upon which a time-varying radio signal shadow may be generated, which may be confused with a moving object. Through successive radar detections, the signals are processed and generate a measurement range profile (40), from which a background range profile (41) is extracted to obtain an object range profile (50). The distance of a possible detected object (60) is determined from the analysis of the object range profile. If the distance of the object (4) is external to the critical intervals (51), the object is classified as valid (55). If the distance is internal to the intervals, the detected object may be a shadow and unless further checks are performed, its presence is not indicated.

A method and system for identifying an object in one space monitored by at least one radar transceiver. The method comprises storing intervals of critical distance values (10) associated with the position of a fixed object upon which a time-varying radio signal shadow may be generated, which may be confused with a moving object. Through successive radar detections, the signals are processed and generate a measurement range profile (40), from which a background range profile (41) is extracted to obtain an object range profile (50). The distance of a possible detected object (60) is determined from the analysis of the object range profile. If the distance of the object (4) is external to the critical intervals (51), the object is classified as valid (55). If the distance is internal to the intervals, the detected object may be a shadow and unless further checks are performed, its presence is not indicated.