Abstract: A data processing method for static computed tomography scanning and a device are provided. The data processing method for static CT scanning includes: performing, in response to receiving a beam synchronization pulse signal, a time synchronization on N angle pulse signals and a time synchronization on N belt pulse signals by using the beam synchronization pulse signal, to obtain N synchronization angle pulse signals and N synchronization belt pulse signals, respectively; generating N timestamps based on the N synchronization angle pulse signals and the N synchronization belt pulse signals, where the N timestamps correspond to N scanning imaging systems of a static CT scanning device, respectively, and each of the N timestamps includes angle data and belt data; and packaging beam data, detection data, the angle data, and the belt data corresponding to each of the N scanning imaging systems to obtain N data packets.

Abstract: In one example method, a first image including M objects is obtained. For N objects in the M objects, when N is greater than or equal to 2, arrangement orders of the N objects is determined, where an arrangement order of any one of the N objects is determined based on at least one of a scene intent weight, a confidence score, or an object relationship score. The scene intent weight is used to indicate a probability that the any object is searched in a scene corresponding to the first image, the confidence score is a similarity between the any object and an image in an image library, and the object relationship score is used to indicate importance of the any object in the first image. Search results of some or all of the N objects are fed back according to the arrangement orders of the N objects.

Abstract: A static CT apparatus and an imaging method for the same are provided. The imaging method includes: acquiring initial projection data of an inspected object at different angles by using a distributed ray source and a detector, where the initial projection data includes projection data that is directly obtained by the detector based on the rays emitted from a plurality of ray source points; obtaining a first CT image using a reconstruction algorithm according to the acquired initial projection data; dividing the first CT image into N first sub-images, where N is a positive integer greater than or equal to 1, and a union of the N first sub-images covers the entire first CT image; optimizing the N first sub-images to obtain N second sub-images; and merging the N second sub-images to obtain a second CT image.

Abstract: A calibration assembly, including: a base; and a plurality of calibration wires dispersedly connected to the base. An absorption capacity of the calibration wire for X rays is greater than that of the base for X rays. Through a specific structure design of a plurality of calibration wires in the calibration assembly, the calibration wires are dispersedly connected to the base, and taking advantage of the characteristics that the absorption capacity of the calibration wire for X rays is greater than that of the base for X rays, the calibration wires are applied to the calibration phantom, and the calibration phantom is scanned in the scanning system. By continuously adjusting the geometric parameter values in the imaging method, the optimal geometric parameter values that are closest to the real scanning system structure may be obtained, thereby improving the imaging effect of the scanning system.

Abstract: The method includes: receiving an encoder signal and a ray machine output beam signal, and initially synchronizing the encoder signal and the ray machine output beam signal; recording coded value M of the encoder at moment tm, and coded value N of the encoder at moment tm+1, where M, N, and m are integers; determining that duration from the moment tm to the moment tm+1 is an actual output beam time interval T of the ray machine, when it is determined that a difference value between the coded value M and the coded value N satisfies preset value a, a being an integer; determining gap time TG in the actual output beam time interval T based on a preset output beam time interval TJ of the imaging system and the actual output beam time interval T; and controlling the ray machine not to emit beam within the gap time TG.

Abstract: A ray scanning apparatus, including: a conveying device for conveying an object under inspection to pass through a scanning area; a ray source assembly including a plurality of ray source modules arranged around the scanning area on an upper side of the conveying device and fixed in a plane perpendicular to a conveying direction of the object under inspection; and a detector assembly including a plurality of detector sets fixed in a plane perpendicular to the conveying direction of the object under inspection; the detector assembly is located between the ray source assembly and the scanning area in a direction perpendicular to the conveying direction of the object under inspection, the ray source assembly and the detector assembly are arranged to overlap at least partially in the conveying direction of the object under inspection, and the plurality of ray source modules are mounted and detached independently of each other.

Abstract: A digital radiography system and a digital radiography method. The digital radiography system includes: detectors (L) mounted on a plurality of detector arm supports (L1, L2) formed in a first plane (P); and a ray source (S) that is non-coplanar with the first plane (P). The digital radiography system further includes an image processing apparatus (10).

Abstract: A ray scanning apparatus for a luggage conveying system. The apparatus includes: a conveying device for conveying an object under inspection to pass through a scanning area of the ray scanning apparatus; and a plurality of scanning beam planes disposed on a plurality of scanning planes arranging in a conveying direction of the object under inspection, each scanning beam plane includes a ray source module and a detector assembly which are arranged opposite to each other, and the ray source module includes a plurality of ray source points for emitting ray beams, wherein the ray source modules of the plurality of scanning beam planes are arranged on lower, left, and right sides of the scanning area respectively.

Abstract: Embodiments of the present application provides a ray scanning apparatus, which includes: a conveying device for conveying an object under inspection to pass through a scanning region of the ray scanning apparatus; a ray source assembly including a plurality of ray source modules, each of the ray source modules including at least one ray source point emitting a ray beam; and a detector assembly for detecting rays transmitting through the object under inspection during scanning and including a plurality of detector sets.

Abstract: A ray scanning apparatus, including: a conveying device; a ray source assembly including a plurality of ray source modules arranged around the scanning area in a non-enclosed structure opened on one side of the scanning area; and a detector assembly including a plurality of detector sets arranged around the scanning area in a non-enclosed structure opened on one side of the scanning area, where the opening of the non-enclosed structure of the ray source assembly is opposite to the opening of the non-enclosed structure of the detector assembly, the plurality of detector sets are fixed in a same plane perpendicular to the conveying direction of the object under inspection, and the plurality of ray source modules of the ray source assembly are arranged in a plurality of different planes perpendicular to the conveying direction of the object under inspection.

Abstract: In one example method, a first image including M objects is obtained. For N objects in the M objects, when N is greater than or equal to 2, arrangement orders of the N objects is determined, where an arrangement order of any one of the N objects is determined based on at least one of a scene intent weight, a confidence score, or an object relationship score. The scene intent weight is used to indicate a probability that the any object is searched in a scene corresponding to the first image, the confidence score is a similarity between the any object and an image in an image library, and the object relationship score is used to indicate importance of the any object in the first image. Search results of some or all of the N objects are fed back according to the arrangement orders of the N objects.

Abstract: Techniques for storage management involve determining, in response to a detection that a disk changes from an unavailable state to an available state, at least one candidate storage unit associated with the disk; acquiring historical access information about the at least one candidate storage unit, the historical information comprising information related to a write request directed to the at least one candidate storage unit when the disk is in the unavailable state; determining a target storage unit from the at least one candidate storage unit based on the historical access information; and rebuilding the target storage unit. Such techniques may, in a low-cost manner, improve rebuilding efficiency and reliability of a storage system.

Abstract: The method includes: receiving an encoder signal and a ray machine output beam signal, and initially synchronizing the encoder signal and the ray machine output beam signal; recording coded value M of the encoder at moment tm, and coded value N of the encoder at moment tm+1, where M, N, and m are integers; determining that duration from the moment tm to the moment tm+1 is an actual output beam time interval T of the ray machine, when it is determined that a difference value between the coded value M and the coded value N satisfies preset value a, a being an integer; determining gap time TG in the actual output beam time interval T based on a preset output beam time interval TJ of the imaging system and the actual output beam time interval T; and controlling the ray machine not to emit beam within the gap time TG.

Abstract: The present disclosure relates to an imaging system and method for radiographic inspection. The imaging system for radiographic inspection includes an inspection area including an imaging area; a first ray source assembly, all the first targets of which are arranged in a first ray source plane; a first detector assembly, the plurality of first detector units of which are arranged in a detector plane, the detector plane and the first ray source plane are spaced apart from each other in a travelling direction of the object under inspection with a predetermined distance; and a ray source control device, configured such that when the region of interest of the object under inspection is at least partially located in the imaging area, the first ray source assembly emits X-rays simultaneously from at least two first targets to the imaging area at the same time.

Abstract: A method and device for displaying texts. In one embodiment, the method comprises: in response to detection of a change of an input text, determining a changed text and a location of the change in the input text, and a duration in which the change of the input text occurs (401); determining a change type of changes of the input text (402); performing, on the basis of the changed text, the location, the change type and the duration, an information synthesizing process to generate synthesized information (403); and transmitting to a receiving terminal the synthesized information (404). The method is implemented to dynamically display text information.

Abstract: Techniques for rebuilding a disk array involve, in response to receiving a message for rebuilding disk arrays in a storage system, determining a target disk that causes rebuilding. Such techniques further involve determining from the disk arrays a set of disk arrays related to the target disk, and generating subsets of disk arrays from the set of disk arrays, each subset including disk arrays that can be rebuilt in parallel. Such techniques further involve determining, based on a number of disks included in each subset, a target subset from the plurality of subsets, and rebuilding disk arrays in the target subset in parallel. Accordingly, a disk array that is most suitable for parallel rebuilding may be determined, and the process of rebuilding the disk array is sped up. Such techniques reduce the delay caused by performing rebuilding, and improve rebuilding efficiency.

Abstract: Disclosed are calibration assembly and calibration method of calibrating geometric parameters of a CT apparatus. The calibration assembly includes at least one calibration unit each including a plurality of calibration wires, and the plurality of calibration wires are arranged regularly in a same plane. The calibration assembly is easy to be processed and can be used to calibrate geometric parameters of a CT apparatus, and the calibration operations are simple and easy to be implemented.

Abstract: Techniques involve: in response to adding a second set of disks into a redundant array of independent disks (RAID) including a first set of disks and a total number of disks in the first and second sets exceeding a predetermined threshold, determining types and numbers of disks in the first and second sets, respectively; determining, based on the types and numbers of the disks determined and a performance indicator of the RAID having the added second set, respective types and numbers of disks comprised in a plurality of sets to which the disks in the RAID are to be allocated; and performing, based on the type and number of disks in the first set and the respective types and numbers of disks, an allocation of a disk in the first set to one of the plurality of sets, until all the disks in the first set have been allocated.

Abstract: Techniques process and manage a storage unit access. In accordance with such a technique, a data access request which is from a host system and for a first storage unit in the first storage system is received, wherein the first storage unit is a secondary storage unit; and the data access request is forwarded to a second storage unit in a second storage system associated with the first storage unit via a redirection link from the first storage system to the second storage system, wherein the second storage unit is a primary storage unit. Through such techniques, the host system can be allowed to send a data access request for the secondary storage unit, so that the host system does not need to resend the data access request, thereby reducing delay and interruption caused by such requests.

Abstract: Techniques manage metadata. Such techniques involve: in response to receiving a request for accessing metadata in a first page, determining, from a plurality of storage units including pages for storing metadata, a storage unit where the first page is located, the plurality of storage units including a first storage unit and a second storage unit, an access speed of the second storage unit exceeding an access speed of the first storage unit; accessing, from the determined storage unit, the first page for metadata; in response to the first page being accessed from the first storage unit, determining whether hotness of the first page exceeds a threshold level; and in response to the hotness of the first page exceeding the threshold level, transferring the first page from the first storage unit to the second storage unit. Accordingly, such techniques can improve the efficiency for accessing the metadata.