The present application relates to a method, apparatus and system for inspecting an object based on a cosmic ray, pertaining to the technical field of radiometric imaging and safety inspection. The method includes: recording a movement trajectory of an inspected object by using a monitoring device; acquiring information of charged particles in the cosmic ray by using a position-sensitive detector, the information of charged particles comprising trajectory information of the charged particles; performing position coincidence for the movement trajectory and the trajectory information to determine the object; performing trajectory remodeling for the charged particles according to the information of charged particles; and identifying a material inside the moving object according to the trajectory remodeling. According to the present disclosure, pedestrians who are walking and moving are inspected by using the cosmic ray, and nuclear materials, drugs and explosive materials and the like carried by human bodies may be detected.

Systems, devices and methods for inspecting and imaging of contents of a volume is disclosed. One implementation of the disclosed systems, devices and methods includes an apparatus for inspecting and imaging of contents of a volume of interest which includes a first particle tracking unit of detectors to receive incoming charged particles that transit through an object and to measure position and direction of the charged particles that transit through the object while allowing the charged particles to pass through, and a second particle tracking unit of detectors installed relative to the first particle tracking unit of detectors and to the volume of interest containing the object of inspection so that it is positioned to receive the outgoing charged particles that transit through the first particle tracking unit and transit through the object of inspection and to measure a position and a direction of the outgoing charged particles. The apparatus also includes a processor that processes information from the first and second particle tracking units of detectors to yield an estimate of a spatial map of atomic number and a density of the object. The methods disclosed here include triggering algorithms for signal selection, positional calibration algorithms for locating particle tracking units in absolute three dimensional coordinate space, and three-dimensional tomographic image reconstruction algorithms combining the tracking information from multiple pairs of particle tracking units.

Systems, devices and methods for inspecting and imaging of contents of a volume is disclosed. One implementation of the disclosed systems, devices and methods includes an apparatus for inspecting and imaging of contents of a volume of interest which includes a first particle tracking unit of detectors to receive incoming charged particles that transit through an object and to measure position and direction of the charged particles that transit through the object while allowing the charged particles to pass through, and a second particle tracking unit of detectors installed relative to the first particle tracking unit of detectors and to the volume of interest containing the object of inspection so that it is positioned to receive the outgoing charged particles that transit through the first particle tracking unit and transit through the object of inspection and to measure a position and a direction of the outgoing charged particles. The apparatus also includes a processor that processes information from the first and second particle tracking units of detectors to yield an estimate of a spatial map of atomic number and a density of the object. The methods disclosed here include triggering algorithms for signal selection, positional calibration algorithms for locating particle tracking units in absolute three dimensional coordinate space, and three-dimensional tomographic image reconstruction algorithms combining the tracking information from multiple pairs of particle tracking units.

The present application relates to a method, apparatus and system for inspecting an object based on a cosmic ray, pertaining to the technical field of radiometric imaging and safety inspection. The method includes: recording a movement trajectory of an inspected object by using a monitoring device; acquiring information of charged particles in the cosmic ray by using a position-sensitive detector, the information of charged particles comprising trajectory information of the charged particles; performing position coincidence for the movement trajectory and the trajectory information to determine the object; performing trajectory remodeling for the charged particles according to the information of charged particles; and identifying a material inside the moving object according to the trajectory remodeling. According to the present disclosure, pedestrians who are walking and moving are inspected by using the cosmic ray, and nuclear materials, drugs and explosive materials and the like carried by human bodies may be detected.

Disclosed is a detector unit for tracking high energy particles that has a first panel having a first surface, a second surface and a first support member. The detector unit has a second panel having a first surface, a second surface and a second support member. The detector unit further includes a plurality of first fibres and a plurality of second fibres. The first panel is stacked upon the second panel such that second surface of first panel and second surface of second panel are facing each other. The plurality of first fibres and second fibres have two or more layers of first fibres and second fibres arranged in an interlocking manner in a first set and a second set of parallel grooves of the first panel and second panel.

Systems and methods for measuring trajectories of charged particles and for charged particle radiography and charged particle tomography are presented, comprising one or more directional particle detectors (DPDs). A DPD produces a directional measurement of a charged particle by determining the transit distance of the charged particle through a detector medium which is elongated is a single spatial dimension, or by determining the amount of energy deposited by the charged particle in a detector medium which is elongated is a single spatial dimension. Also presented are charged particle transmission imaging systems, charged particle scattering imaging systems, composite DPDs of various geometries, embodiments allowing for the monitoring of a plurality of detector medium columns by as few as one optical sensor, various shapes and compositions of detector medium columns, DPDs elongated in two spatial dimensions, fields of application, and discussions about the fundamental advantages of DPD over coincidence-based charged particle velocimetry.

Disclosed is a detector unit for tracking high energy particles, which has a first panel having a first surface, a second surface and a first support member. The detector unit also has a second panel having a first surface, a second surface and a second support member. The detector unit further includes a plurality of first fibres and a plurality of second fibres. The first panel is stacked upon the second panel such that second surface of first panel and second surface of second panel are facing each other. The plurality of first fibres and the plurality of second fibres have two or more layers of first fibres and second fibres, respectively, arranged in an interlocking manner in a first set and a second set of parallel grooves of the first panel and the second panel, respectively.