The invention relates to an inspection method of a shoe worn by a foot of an individual comprising the following steps: acquiring (S1) a thermal image of the shoe when it is worn by a foot of the individual by means of a thermal camera, determining (S2), from the thermal image of the shoe, a lower limit of the foot of the individual, determining (S3) a position of the shoe relative to the thermal camera at the time of acquisition of the thermal image, and deducing (S4) of the position of the shoe relative to the camera and of the lower limit of the foot, a distance between the lower face of the sole and the lower face of the foot of the individual.

The present disclosure describes methods and systems for determining source rock potential in a subterranean region of a hydrocarbon reservoir. One method includes: receiving, a terahertz (THz) scanning image from an in-situ THz scanner that is attached to a wellbore at a first subterranean location, wherein the wellbore extends into the subterranean region of the hydrocarbon reservoir; identifying, components of a source rock in the first subterranean location based on the THz scanning image; and determining, the source rock potential at the first subterranean location based on the identified components of the source rock.

A disclosed system includes a support frame including a plurality of surfaces, a millimeter-wave transmission link that generates a millimeter-wave transmission signal, a plurality of millimeter-wave array antennas, a millimeter-wave reception link, and an image processing device. The millimeter-wave array antennas are disposed on different surfaces of the support frame, and transmit millimeter-wave transmission signals from different angles to a to-be-detected object and receive echo signals reflected from the to-be-detected object. By providing the millimeter-wave array antennas on each of the plurality of surfaces of the support frame, and transmitting millimeter-wave transmission signals from different angles to a to-be-detected object and receiving echo signals reflected from different angles of the to-be-detected object, a three-dimensional image of the to-be-detected object can be established, thereby achieving omni-directional detection of the to-be-detected object. The system can detect human and objects at the same time, and is convenient, quick and highly accurate.

The present disclosure discloses a system including a detection module configured to receive a microwave signal from a moving object located in an environment and obtain at least one optical image including the moving object; and a processor configured to determine frequency information associated with the environment according to the a microwave signal, determine a contour of the moving object according to the at least one optical image, and determine a security level according to at least a portion of the frequency information and the contour of the moving object.

A method and a device for detecting a discontinuous body with ground penetrating radar, comprising acquiring a ground penetrating radar signal of a predefined underground space, where the ground penetrating radar signal carries discontinuous information about an electrical parameter of the underground space; determining, from multiple preset dip angles, a target dip angle of the ground penetrating radar signal with respect to each of multiple channels to be scanned, by a target scanning algorithm; separating the ground penetrating radar signal according to the target dip angle, to obtain a scattered wave; performing velocity continuation analysis on the scattered wave, to obtain a focusing velocity of the scattered wave; and imaging the scattered wave according to the scattered wave and the focusing velocity, to obtain an imaging result, where the imaging result is used to determine distribution information of the discontinuous body in the predefined underground space.

One aspect provides a method, including: obtaining sensor data from an unmanned aerial vehicle (UAV); the sensor data comprising data obtained by one or more sensors of the UAV; analyzing, using a processor, the sensor data to detect underground water associated with a pipe; and identifying, with the processor, an underground feature based on the analyzing. Other aspects are described and claimed.

The invention relates to a device adapted to inspect the leg of an individual, and comprises a support base (110) adapted to receive a foot of an individual, two lateral panels (120) adapted to be placed on either side of the leg of an individual, positioning means (112, 114, 142) of the foot and of the leg relative to the support base (110) and to the panels (120), microwave receiver/sender transducer means (200) arranged on each lateral panel (120) opposite the lateral panel which is facing it, and analysis means (300) of signals detected on the microwave receivers (200) corresponding to the signals transmitted from a panel (120) to the opposite panel and to the signals reflected from a panel (120) towards this same panel.

The invention relates to a device intended for detection of non-authorised objects or substances carried by an individual in a protected access zone, characterized in that it comprises at least two columns (10, 20) together defining a channel (30) by which individuals to be checked can transit, windings (110, 120) distributed in the two columns (10, 20), adapted to emit a magnetic detection field and adapted to detect the perturbations of the magnetic detection field caused when an individual travels via the channel between the two columns, microwave sender/receiver means (210, 220) arranged in the two columns (10, 20), and analysis means (40) adapted to analyse the signals from the receiver windings (110, 120) to detect the presence of a metallic object carried by an individual transiting via said channel formed between the two columns (10, 20), to analyse the signals from microwave receivers (210Rx, 220Rx) corresponding to the signals transmitted from one column into the column opposite and into the signals reflected from one column towards this same column to detect the presence of dielectric material carried by the individual transiting via said channel and to set up the spatial correlations existing between the metallic objects and the dielectric materials detected.

The present disclosure relates to systems and methods for scanning objects and persons, for example, persons in security gates, by means of microwave radiation. Such a system includes an arrangement of several panels between which an angled walk-through passage is formed.

An inspection apparatus of an embodiment includes a transmitting antenna device connected to a transmitting unit including a transmitting device configured to transmit a microwave, and a receiving antenna device connected to a receiving unit including a receiving device. Each of the transmitting antenna device and the receiving antenna device faces a subject to be inspected. The receiving antenna device receives at least one of a microwave transmitted from the transmitting antenna device and penetrating the subject to be inspected, a microwave of which phase has been delayed, and a microwave diffracted in the subject to be inspected. The receiving unit is a directional antenna.