88 results about "X-ray" patented technology

The invention belongs to the field of cable eccentricity detection, and particularly relates to a cable eccentricity detection method and system based on X rays. The method comprises the following steps: calculating a gradient magnitude diagram and a gradient direction diagram through an X-ray image of a cable, screening a point with the local maximum gradient magnitude and low neighborhood divergence as a contour starting point, performing contour tracking to generate a contour point set, and selecting a next contour point based on a tangential prediction direction; performing ellipse fitting on the contour point set to obtain a geometric center, long and short axis parameters and a root-mean-square error of a fitting ellipse, dividing the fitting ellipse into an inner candidate ellipse and an outer candidate ellipse according to a long axis, and matching the inner candidate ellipse meeting the condition for each outer candidate ellipse; and screening out an outer candidate ellipse and an inner candidate ellipse which meet conditions from the candidate pairs, and calculating the eccentricity of the cable to be measured based on geometric center coordinates of the outer candidate ellipse and the inner candidate ellipse. According to the invention, the accuracy and reliability of cable eccentricity measurement results can be improved.

The invention discloses an X-ray detection device and method for detecting a PCB, and the device comprises a housing, and an X-ray emission source transmission system, an X-ray detector transmission system and a PCB conveying system which are disposed in the housing. The X-ray emission source transmission system is high in X-ray emission source transmission speed, high in precision and small in vibration quantity, the X-ray detector transmission system is high in X-ray detector transmission speed, high in precision and small in vibration quantity, the PCB conveying system can automatically input and output PCBs, the height of the PCBs can be automatically adjusted, and the PCB conveying efficiency is improved. The PCB conveying system can adapt to PCBs with different width sizes, and can be prevented from blocking X rays.

The invention relates to the technical field of PCB (Printed Circuit Board) blind hole defect detection, and discloses an X-ray-based PCB blind hole defect detection method, which comprises the following steps of: irradiating a PCB by using X rays, performing data acquisition by using CT (Computed Tomography) projection, establishing an initial image, reconstructing the initial image by using filtered back projection to obtain a reconstructed image, and detecting the blind hole defect of the PCB according to the reconstructed image. According to the blind hole defect detection method based on the deep residual network, through the double-flow neural network architecture constructed on the basis of the deep residual network, geometric features and material features are comprehensively utilized, the blind hole defect detection accuracy is improved, the blind hole defect detection accuracy is improved, and the blind hole defect detection accuracy is improved. The PCB blind hole defect detection device can comprehensively and accurately detect and classify various defects of PCB blind holes, such as cracks, wrinkles, recesses and filling holes, improves the efficiency and accuracy of defect detection, is helpful for timely finding quality problems in the PCB production process, and guarantees the product quality.

The invention provides an esophageal stenosis dilatation balloon which comprises a dilatation tube mechanism, and a guide-in assembly and a suction tube are arranged in the dilatation tube mechanism; the balloon main body is arranged on the outer surface wall of the expansion tube mechanism, the balloon main body is communicated with the guide-in assembly, a contrast agent can be injected through the injection device to expand the balloon main body, the expansion diameter is matched with the injection pressure, repeated suction can be carried out to gradually expand the balloon main body to a target diameter, and marking lines visible under X rays are arranged at the two ends of the balloon main body. The invention relates to the technical field of medical instruments, in particular to a balloon which is convenient for real-time observation of dilatation during operation and capable of accurately controlling the dilatation diameter of a balloon main body by injecting a contrast agent and utilizing the matching relation between the contrast agent and pressure, avoiding blind operation and improving safety. Suction and injection can be repeatedly carried out, and progressive and controllable expansion is achieved.

The invention belongs to the technical field of flexible ray protective clothing, and discloses medical flexible ray shielding protective clothing and a preparation method thereof. A medical flexible ray shielding protective garment comprises a shielding material, flexible rubber and a garment material, the shielding material is equally distributed in small capsule cabins of the flexible rubber, and the small capsule cabins are distributed in the thickness direction of the flexible rubber for 3-10 times; the clothing material is attached to the flexible rubber loaded with the shielding material to manufacture the clothing. The novel integrated ray protection suit provided by the invention adopts a lead-free shielding material, has a relatively good shielding effect on gamma rays and X rays, is soft in material, light in weight and non-toxic and harmless to a human body, can be widely applied to military industry, medical science, other ray protection laboratories and the like, and has a wide application value.

The invention relates to the technical field of position calibration, and provides a position calibration improved structure of an X fluorescence spectrometer, which comprises a spectrometer box, the bottom of the spectrometer box is fixedly connected with a base, the top of the spectrometer box is provided with a spectrum cavity, the outer surface of the spectrum cavity is provided with a visual sensor, and the visual sensor is connected with the base. Arc-shaped rails are symmetrically arranged on the two sides of the spectrometer box, the outer surfaces of the arc-shaped rails are slidably connected with isolation hoods, a sliding-out groove is formed in the bottom of the spectrum cavity, and a side groove is further formed in the inner wall of the spectrum cavity; the positioning unit is arranged at the bottom of the spectrum cavity and used for adjusting the position, the excitation unit is located above the positioning unit and emits X fluorescence, a material needing qualitative and quantitative treatment is put into the positioning unit, the positioning unit can drive the material to move to the position under the excitation unit, and the sample is bombarded by X rays to excite characteristic fluorescence; and non-destructive detection of qualitative and quantitative analysis of elements is realized.

The utility model discloses an iron ore value analysis device which comprises a grade analyzer which comprises a gun head and a handle, and the gun head is fixed at the upper end of the handle; the first protection assembly comprises first fixing plates, a first connecting shaft, a first torsional spring, a first protection plate and a limiting column, the first fixing plates are fixed to the middle of the lower surface of the gun head and located on the side edge of the top of the handle, the first connecting shaft is fixed between the first fixing plates, and the first torsional spring is connected to the first connecting shaft in a sleeving mode; one end of the limiting column is fixed to the lower end of the side edge of the first protection plate, and the other end of the limiting column is attached to the handle. The utility model relates to an iron ore grade analyzer, and aims to solve the problem that when the iron ore grade analyzer is used, an operator holds a handle, presses a button and starts an X-ray, and the X-ray is a radiation source, so that the risk of radiation exposure to the operator and the surrounding environment is possibly caused if the X-ray is emitted due to misoperation.

The application discloses a force-ultraviolet-X ray three-mode excited doped organic room-temperature phosphorescent material and a preparation method and application thereof. The doped organic room-temperature phosphorescent material comprises a guest compound and a host compound, and the host compound comprises halogenated benzophenone or unsubstituted benzophenone. The doped organic room-temperature phosphorescent material provided by the application can generate stable phosphorescent emission under external force stimulation, ultraviolet light and X ray excitation. Moreover, the preparation method is simple, the cost is low, the excitation mode is various, and the doped organic room-temperature phosphorescent material can emit light in the condition of no light source. The doped organic room-temperature phosphorescent material provided by the application adopts pure organic material, is not doped with metal, the structure is convenient to modify, is more green and economical, and is more in line with the development trend of green chemistry. The material can be used in the field of force-induced light emission and can be applied to the field of X ray imaging.

The invention discloses a portable high-power ray source, which belongs to the technical field of X-rays, and comprises a power supply, an MCU (Microprogrammed Control Unit) control system, an inverter circuit and a high-voltage generator, the power supply comprises a storage battery and a super capacitor bank, and the MCU control system is respectively connected with the storage battery, the super capacitor bank, the inverter circuit and the high-voltage generator. The storage battery and the super capacitor are connected in series to transmit low-voltage large current to the inverter circuit, the inverter circuit converts the received low-voltage large current into high-voltage low current under the control of the MCU control system and transmits the high-voltage low current to the high-voltage generator, and the high-voltage generator outputs high-power X-rays under the control of the MCU control system. The device has higher transmitting power, equipment operation is more stable, and the service life of the storage battery is longer.

To provide an X-ray inspection device capable of suppressing a temperature change in an X-ray detection section.SOLUTION: An X-ray inspection device 1 comprises: a conveyance section 5 for conveying an article G; an X-ray irradiation section 6 for applying X rays to the article G that is conveyed by the conveyance section 5; an X-ray detection section 7 for detecting X rays transmitted through the article G; a control section 10 for determining whether the article G is a non-conforming article on the basis of an X-ray transmission image generated based on X rays detected by the X-ray detection section 7, and distributing the article G determined as a non-conforming article to the outside of a production line by a distribution device disposed downstream from an inspection area R in which inspection of the article G by X rays is performed; a casing 2 in which the inspection area R is provided inside; a door 2a allowing the casing 2 to be opened or closed; a cool air machine 40 that is mounted to the door 2a and supplies cool air cooled by heat exchange; and air paths 50, 61, 62 for guiding cool air supplied from the cool air machine 40 to the X-ray detection section 7.SELECTED DRAWING: Figure 5

The application discloses a cable sheath aging evaluation method and related device, comprising: intercepting a test sample from a cable sheath to be evaluated, wiping the test sample with alcohol and keeping it still; testing the test sample by using a RIGAKU-X ray polycrystalline diffractometer, recording an X ray diffraction pattern of the test sample, obtaining two crystalline diffraction peak intensities D fi and D si of a diffraction curve and angles θ fi and θ si corresponding to the two peaks according to the X ray diffraction pattern; substituting the two crystalline diffraction peak intensities D fi and D si and the angles θ fi and θ si corresponding to the two peaks into a diffraction evaluation factor calculation formula to obtain a diffraction evaluation factor; and analyzing an aging state of the cable sheath to be evaluated based on the diffraction evaluation factor. The application can conveniently, efficiently and safely detect and evaluate the aging degree of a 110kV XLPE cable sheath, and avoids damage and grounding faults caused by serious aging of the cable sheath.

An X-ray imaging apparatus 100 comprises an X-ray imaging unit 3 including an X-ray irradiation unit 31 that irradiates X-rays and an X-ray detection unit 32 that detects X rays; a tabletop unit 1 on which a subject 9 is placed and which is movable relative to the X-ray imaging unit 3; a tabletop unit-installed part 2 that is provided on the tabletop unit 1 and includes a material with a lower X-ray transmittance than a portion of the tabletop unit 1 where the subject 9 is placed; a notification unit 6; and a control unit 5 that performs control to cause the notification unit 6 to provide a notification that the tabletop unit-installed part 2 is interfering with an irradiation field, based on irradiation field range information related to a range of an irradiation field of X-rays irradiated from the X-ray irradiation unit 31 and member position information related to a position of the tabletop unit-installed part 2.

The utility model relates to cone shaped beam X ray source technical field discloses a cone shaped beam X ray source filament heating circuit, can obtain stable X ray output, have certain anti -interference ability, can guarantee under high frequency can work normally, including core control module, main control signal input circuit, enable control circuit, drive and power switch module, feedback and current sampling module, filament output and switching module, power supply circuit, relay FK2 and relay FK3, core control module is connected with main control signal input circuit, drive and power switch module respectively, power supply circuit is connected with enable control circuit, filament output and switching module, drive and power switch module respectively, drive and power switch module connect feedback and current sampling module, filament output and switching module, and enable control circuit connects control main control signal input circuit, and enable control circuit passes through relay FK2 and relay FK3 control connection main control signal input circuit.

The utility model discloses a device for testing the focus of an X-ray bulb tube, which comprises a support base and a test support, the test support is fixed on the support base, the height and the angle of the test support can be adjusted, a dental film base is arranged on the test support, a handle is arranged on the dental film base, and the test support is fixed on the support base. A height fixing knob is arranged on one side of the test bracket; the slit camera is placed on an X-ray path; the dental film is positioned on the dental film base; a computer; the X-ray image processing system has the advantages that by means of optimized hardware design and advanced software control, the aims of being efficient, accurate, easy to use, high in adaptability and high in cost effectiveness are achieved, and the X-ray image processing system has wide application prospects and market value.

The application discloses a flow field structure non-interference measurement system. The system comprises at least two imaging assemblies, the imaging assembly comprising a ray output structure for relative arrangement and outputting X rays and a detector for receiving the X rays passing through a flow field to be measured to obtain projection data; the at least two imaging assemblies are distributed on at least two groups of edges of a virtual polygon, and each group of edges is distributed oppositely; the imaging assembly is used for obtaining the projection data of the flow field to be measured arranged inside the virtual polygon; and a processor is used for controlling the at least two imaging assemblies to simultaneously perform X ray scanning on the flow field to be measured to obtain at least two groups of projection data, and performing image reconstruction on the at least two groups of projection images to obtain a target image of the flow field to be measured. The embodiment of the application can reduce the interference on dynamic imaging of the measured flow field, and realize instantaneous imaging of the dynamic evolution structure of the multiphase flow field.

X-ray sources emit X-rays into an examination region along different projection views. An X-ray detector array detects the X-rays emitted by the X-ray sources after passing through the examination region. X-ray imaging data are acquired by cycling through the X-ray sources with each step of the cycle including: switching an active X ray source on to emit X-rays and the other X ray sources off to not emit X rays, and acquiring X ray imaging data along the projection view corresponding to the active X-ray source that is switched on. Tomosynthesis image reconstruction is performed on the X ray imaging data to generate at least one volumetric image. A time sequence of spatially aligned images is produced from the time sequence of volumetric images. A perfusion image and / or a ventilation image is generated based on voxel intensity variation over time of the time sequence of spatially aligned images.

The invention discloses a lightweight gamma ray and X ray shielding material and a preparation method thereof, and belongs to the technical field of ray protection materials. The invention aims to solve the problems that in the prior art, Bi2O3 and Gd2O3 cannot have a synergistic effect, the compatibility of Bi2O3 and Gd2O3 with an organic matrix cannot be improved, and a ray shielding material with light weight, broadband efficient shielding and excellent mechanical properties is difficult to prepare. The shielding material is formed by compounding a base material and a functional filler, and the functional filler is a Bi2O3 and Gd2O3 composite protective particle. The method comprises the following steps: 1, preparing Bi2O3 and Gd2O3 composite protective particles; and 2, preparing the shielding material. The invention is used for the lightweight gamma ray and X ray shielding material and the preparation thereof.

The utility model discloses a pinhole detector for detecting material stress change, which relates to the technical field of material stress detection and comprises a shell and a cover plate, a mainboard, a TFT (thin film transistor) board and a read-write board are arranged in the shell, the mainboard is in signal connection with the TFT board and the read-write board, the TFT board is used for converting X-rays into analog electric signals, and the TFT board is used for converting X-rays into analog electric signals. The read-write board is used for converting an analog signal into a digital signal; the cover plate is arranged on the shell, the cover plate is provided with a placement area, after the cover plate is installed on the shell, the placement area is located over the TFT plate, a through hole is formed in the middle of the placement area, and the through hole is used for X-rays to penetrate through a product to be tested to form diffraction and then pass through so that the rays can be distributed on the TFT plate. According to the small hole detector for detecting the stress change of the material, through the through hole formed in the placement area, it is guaranteed that X rays penetrate through the product to be tested and then directly hit on a TFT plate, product imaging is clearer, slight change can be found more easily, and the stress detection precision and the imaging definition can be improved.

The invention discloses a bone age detection device and method, and relates to the technical field of bone age detection.The device comprises a solid sound conducting pad bracelet, an ultrasonic function module and a forearm fixing and position adjusting module; the ultrasonic function module comprises an ultrasonic image processing system and two ultrasonic probes; the ultrasonic image processing system is used for obtaining the maximum value of the transverse diameter of the ossification center and the maximum value of the transverse diameter of the epiphysis according to the ultrasonic data; according to the maximum value of the transverse diameter of the ossification center and the maximum value of the transverse diameter of the epiphysis, the ultrasonic epiphysis ossification rate is calculated; and comparing the ultrasonic epiphyseal ossification rate with the standard characteristic data to obtain the age corresponding to the ultrasonic epiphyseal ossification rate. According to the method, the bone age is detected in an ultrasonic mode, so that radioactive X-rays are prevented from being used, meanwhile, the calculated ultrasonic epiphyseal ossification rate is compared with the standard characteristic data, the corresponding age is obtained, and the objectivity and accuracy of bone age detection are guaranteed.

The invention discloses a standard CT value calculation method and detection system based on ray transmission intensity, and the method comprises the following steps: S1, transmitting an X ray, and obtaining an incident intensity value Ic and a transmission intensity value Ix of the X ray to a scanned object; s2, an incidence correction value I0 of the incidence intensity value Ic is calculated according to a correction factor Nk, and the correction factor Nk is a correction factor of the intensity meter; s3, calculating a transmission correction value I of the transmission intensity value Ix according to the correction factor Nk; and S4, calculating a standard reference CT value CTs according to the I0 and the I. The detection system comprises a memory, an emission unit, a first calculation unit, a second calculation unit, a third calculation unit, a scanning object and an intensity meter. Compared with the prior art, the calculation method of the reference CT value is established based on the X-ray transmission intensity theory, and a relatively accurate CT value detection result of the CT machine is calculated by adopting a certain mathematical processing method. And secondly, the automation degree is high.

The utility model relates to the technical field of construction material detection, and discloses a construction project cost construction material detection device which comprises a conveying belt assembly, a double-foot support assembly is arranged at the center of the top surface of the conveying belt assembly, and an X-ray flaw detector penetrates through the center of the top surface of the double-foot support assembly. Material clamping assemblies are arranged on the left side and the right side, close to the front end, of the center of the top surface of the conveying belt assembly correspondingly. The pressure thickness gauge is reasonable in structure, and a nondestructive inspection method for discovering defects in a material by utilizing the characteristics that X rays penetrate through the material and are attenuated in the material is adopted by the X-ray inspection machine; the pressure thickness gauge is an instrument for measuring the thickness of the material and the object; the X-ray flaw detection machine is lifted above the conveying belt assembly in cooperation with the double-foot support assembly, flaw detection is carried out on materials conveyed and passing through the bottom, and data can be transmitted to the signal transmitter according to the detected result.

X-ray equipment that can protect an operator moving around in an imaging room from X rays. The X-ray equipment includes: an X-ray source that irradiates a subject with X rays; a detector that acquires projection data of the subject; and an image generator that generates an X-ray image of the subject using the projection data. The equipment further includes: a position calculating section that calculates the position of the operator in the imaging room; and a control section that moves a protective plate for shielding against X rays to between the X-ray source and the operator according to the position of the operator.

The invention discloses a method for detecting grinding burns on the surface of a BG801 steel bearing ring based on X rays, and belongs to the technical field of nondestructive testing of materials. The method solves the problem that according to an existing acid corrosion detection BG801 steel bearing ring grinding burn technology, whether a grinding burn layer is removed in follow-up finish machining or not cannot be judged, so that grinding burn workpieces which can be removed in the follow-up finish machining are scrapped in advance, and waste is caused. The method comprises the following steps: grinding burn acid corrosion detection; after the bearing ring with burns is subjected to subsequent coarse grinding, fine grinding and super-fine grinding, an X-ray retained austenite tester is adopted to carry out nondestructive testing on an original grinding burn area of the bearing ring, if the content of retained austenite is lower than 6%, it is determined that an original grinding burn layer of the bearing ring is removed, and the bearing ring becomes a qualified product. According to the method, a part of the original grinding burn detection method through acid corrosion can be identified as scrapped products and converted into qualified products, and a part of economic loss is retrieved.

The utility model provides a disposable combined electrical impedance navigation detection spine puncture needle which comprises a navigation handle, a puncture probe arranged at the lower end of the navigation handle and a needle sleeve arranged on the outer side of the puncture probe in a sleeving mode. The upper end of the puncture probe is connected with a probe handle, and the probe handle is detachably connected with the navigation handle; a magnetic attraction male head is arranged in the navigation handle, a magnetic attraction female base matched with the magnetic attraction male head is arranged in the probe handle, and the puncture probe is in circuit communication with an electronic element in the navigation handle in a magnetic attraction mode. According to the utility model, the needle inserting depth and direction of the pedicle screw can be judged according to the detected electrical impedance value, accidental injury and deviation caused by the fact that the pedicle screw drills through the cone can be prevented, the navigation handle can be detached during X-ray positioning, unnecessary false imaging can be reduced, and after an operation is completed, the puncture probe is discarded as a disposable instrument, so that the operation cost is reduced. And the navigation handle can be reused after being disinfected, so that resources are effectively saved, and unnecessary waste is reduced.

The invention relates to the technical field of stress detection, in particular to a goniometer for X-ray stress detection of a large part and a stress detection device of the goniometer. The rotation precision of an X-ray tube and a detector on the goniometer on the arc-shaped mounting plate reaches a micron level or even higher, namely the precision of the goniometer is determined by the corresponding arc-shaped grating ruler. In cooperation with a stress detection structure of the goniometer, all stress detection processes can be completed without moving large parts. The invention provides an ultra-high-precision goniometer for immovable large parts. In cooperation with an arc-shaped guide rail and a rotary motor, the whole stress detection device can complete stress measurement under the condition that a workpiece is not moved, and the measurement precision can reach a micron level or even a higher level. The X-ray stress detector solves the problem that the existing X-ray stress detector can only measure small parts and is low in measurement precision for large immovable workpieces if achieving the effect.

The utility model relates to a retroperitoneal cavity dilatation balloon which comprises a balloon body which is not transmitted by X rays and has mark colors, an inflation device and a connecting pipe communicated with the balloon body and the inflation device, and the inflation device is used for controlling inflation gas flow and further controlling inflation capacity. The balloon and the connecting pipe are detachably connected in a sealed mode through a first connecting device, and the inflating device and the connecting pipe are detachably connected in a sealed mode through a second connecting device; a pressure relief device is fixed to the inflation device and used for relieving pressure when inflation pressure is larger than preset inflation pressure so as to prevent the balloon from being broken. And the inflating device and the pressure relief device are electrically connected with the controller. According to the retroperitoneal cavity expansion balloon, the inflation capacity and pressure of the balloon can be controlled, the balloon is prevented from being broken, and parts can be conveniently detached and replaced and fragments of the balloon can be conveniently found.

The application discloses a preparation method of SnBi / B4C radiation shielding composite material. The material selects SnBi alloy with high atomic number, large density, strong processability and corrosion resistance as a matrix, B4C particles with light weight, high strength, good stability and large neutron reaction cross section as reinforcing fillers, and is formed through a powder metallurgy process, so that the composite material with high strength and the ability of shielding thermal neutrons, gamma rays, X rays and alpha particles is obtained. Compared with traditional lead gamma ray shielding materials with single function, the SnBi / B4C radiation shielding composite material solves the problem that neutrons cannot be shielded, and the selected raw materials are non-toxic, so that the composite material is expected to replace lead and be used for radiation shielding in the medical field.

The invention discloses a method and a system for nondestructive testing of the diameter of a corner reinforcing steel bar of a concrete beam or column based on X-rays, X-rays emitted by a ray source enter from one side surface of the concrete beam or column and penetrate out from the other adjacent side surface, so that the X-rays penetrate through the corner reinforcing steel bar of the concrete beam or column to be tested; imaging the X rays on a digital board on the emergent side surface of the concrete beam or column to be measured to obtain the image length of the corner reinforcing steel bar; detecting the distances from the center of the concrete beam or column corner reinforcing steel bar to the X-ray incident side surface and the X-ray emergent side surface respectively; and measuring the positioning size of the radiation source, and calculating the diameter of the reinforcing steel bar in combination with the step S2 and the step S3. On the premise that a decorative surface is not damaged, detection of two steel bars at the beam corner and three steel bars at the column corner can be achieved, and accurate detection of the diameters of the steel bars in concrete beams and column components with the section larger than 500 mm through X rays is achieved by adopting a corner incidence detection mode.

The present application relates to the medical field, specifically is crosslinking type polylactic acid material and its preparation method and application, the present application is through the ATIPA bond to the polymer main chain, gives the material intrinsic, stable and throughout the whole life cycle X ray visibility, through the HEDS as the structural unit integration into the hard segment, constructs the dynamic exchange network, makes the material when microcosmic damage occurs can realize self-repair through the reversible fracture and recombination of disulfide bond, significantly improves its anti-fatigue performance and long-term service reliability, through the adoption of the degradation rate different PLA and PCL double soft segment copolymerization, constructs the time sequence degradation model, wherein the PLA of fast degradation provides the initial support and the PCL of slow degradation forms the secondary network, together ensures that the material mechanical strength presents gentle attenuation along with the blood vessel remodeling process, effectively avoids the risk of "cliff type" mechanical loss. Three kinds of functions integrated in the molecular level mutually coordinate, systematically solves the key bottleneck of the prior art.

The invention discloses an intelligent pulmonary tuberculosis detection method based on images and clinical data, and relates to the technical field of medical image detection.The method comprises the steps that chest X-ray medical images and patient clinical data are collected, cross-modal data enhancement is conducted through a conditional generative adversarial network, and an enhanced multi-modal data set is generated; feature reconstruction based on an attention mechanism is carried out on the pulmonary tuberculosis multi-modal feature sequence, association weights among different modal features in the pulmonary tuberculosis multi-modal feature sequence are calculated, and a pulmonary tuberculosis discrimination feature tensor is generated; and performing quantitative analysis on the pulmonary tuberculosis discrimination feature tensor, evaluating the global feature intensity of the pulmonary tuberculosis, performing pulmonary tuberculosis positive risk level determination according to the global feature intensity of the pulmonary tuberculosis, and generating a pulmonary tuberculosis risk determination conclusion. According to the method, cross-modal data enhancement is carried out by adopting the conditional generative adversarial network, so that the diversity and authenticity of medical image detection training data are remarkably improved, and the generalization ability of image detection is enhanced.