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40 results about "X ray radiograph" patented technology
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A radiograph is an image taken with X-ray technology that allows the inside of an object to be seen. X-rays, also called X radiation or Roentgen radiation, are a type of electromagnetic radiation with a very short wavelength. The radiation with the shortest wavelengths, hard X-rays, are powerful enough to penetrate objects,...
Galactophore cancer computer auxiliary diagnosis method based on galactophore X-ray radiography and system thereof
InactiveCN101103924AImprove accuracyImprove efficiencySpecial data processing applicationsRadiation diagnosticsFeature extractionDiagnosis methods
The invention discloses a breast cancer computer auxiliary diagnosis method and system based on galactophore X-ray radiograph. A galactophore X-ray radiograph for diagnosis is input into the system of the invention firstly, and is treated through an extracting module in a region of interest, a partitioning module and a feature extracting module in a region of doubtful lump, hereby a series of relative feature values about the doubtful lump region; then the feature values are input into a trained classifier which classifies and identifies the doubtful lump region and lastly the computer automatic examined final result of portioning the doubtful lump region is located on the input galactophore X-ray radiograph for diagnosis and the calculated relative feature values of the region are displayed to a roentgenologist according to requirements to indicate the roentgenologist about the region needing special attention and relative important parameters of the region. The invention can improve the accurateness and efficiency of the breast cancer diagnosis by the roentgenologist to some extent and help the roentgenologist to bring forward a diagnostic opinion and a therapeutic schedule more objectively and effectively.
Owner:HUAZHONG UNIV OF SCI & TECH
Identifying Ribs in Lung X-Rays
A method of detecting lung nodules in an anterior posterior x-ray radiograph comprising the steps of: generating candidate regions in image showing changes in contrast above a threshold level, and eliminating false positives by eliminating edges assignable to organs by: identifying edges; categorizing and eliminating rib edges; categorizing and eliminating lung tissue edges, and categorizing and eliminating blood vessels.
Owner:SIEMENS COMP AIDED DIAGNOSIS +1
Method and device and equipment for generating CT image and storage medium
ActiveCN109745062AReduce Radiation HazardsReduce inspection costsReconstruction from projectionImage codingComputed tomographyX-ray
The invention discloses a method and device and equipment for generating a CT image. The method includes the steps that a first X ray film and a second X ray film which are X ray films adopting two orthogonal visual angles for collecting a target object; the device for generating the CT image is called to conduct three-dimensional reconstruction on the first X ray film and the second X ray film, so that a three-dimensional model of the target object is obtained; according to the three-dimensional model of the target object, the CT image of the target object is obtained. According to the methodand device and equipment for generating the CT image, the two orthogonal X ray films are input into the device for generating the CT image to reconstruct the CT image of the target object, only through an X ray film machine, the medical image which is equivalent to or approximately equivalent to that of CT scanning equipment, in this way, radiation hazards to the target object are reduced, the cost for inspection can be further saved, and the time consumed for the inspection process can be shortened.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Denoising system of medical x-ray image
ActiveCN107705260AProtection detailsImprove image qualityImage enhancementImage analysisX-rayX ray image
The invention belongs to the field of medical science, and particularly relates to a denoising system of a medical x-ray image. The system comprises a preprocessing module, a decomposition module anda reconstruction processing module which are connected end to end in sequence. The preprocessing module is further connected with an acquisition module, an image storage module and an image transmission module. The image acquisition module is connected with the image storage module. The image storage module is connected with the preprocessing module and the image transmission module. The image transmission module is connected with the preprocessing module. The denoising system of the medical x-ray image can be compiled into operation codes and stored into an x computer hard disk. During the x-ray image acquisition process, the system is automatically operated, so that the denoising effect of x-ray images is effectively achieved. The defects that a hard threshold is not continuous and a soft threshold value has constant deviation can be overcome by adopting the improved wavelet threshold method. The local features of the wavelet can effectively protect the edge detail information of images. Therefore, the system is relatively suitable for noises with relatively small noise variance.
Owner:SHENZHEN BASDA MEDICAL APP
System and method of determining the exposed field of view in an x-ray radiograph
InactiveUS20070286527A1Accurately determineImage enhancementImage analysisField of viewX ray radiograph
A system and method of determining the exposed field of view of a radiography image based on various parameters such as image content data, positioner feedback data, or any combination thereof, with no need for user intervention.
Owner:GENERAL ELECTRIC CO
Medical imaging system and operation method therefor
ActiveUS20170000432A1Low costImage be reducedComputerised tomographsDiagnostic recording/measuringMedical imagingVisual perception
The purpose of the present invention is to provide a method for obtaining a more effective 3D facial image for medical use. The present invention provides a medical imaging system includes a 2D surface image obtaining device including at least one camera for photographing a plurality of 2D facial images of an examinee, at different photography angles or ranges, a visual guidance configured to fix an examinee's line of vision, an X-ray radiography device for radiographing a 3D X-ray radiograph of the examinee's head, and an image synthesis unit for generating a 3D facial image by matching the plurality of 2D facial images with the 3D X-ray radiograph.
Owner:VA TECHNOLOGIE +1
DR (Digital Radiograph) equipment and CR (X-ray Radiograph) board fixing device for GIS (Geographic Information System) equipment detection and detecting method
ActiveCN102914719AReduce in quantityShorten detection timeElectrical testingStands/trestlesEngineeringUltimate tensile strength
The invention discloses DR (Digital Radiograph) equipment and a CR (X-ray Radiograph) board fixing device for GIS (Geographic Information System) equipment detection, and a detecting method. The method comprises the following steps of: mastering the positions of breaker contacts of the internal structures of the chambers of the GIS equipment; making positioning marks at the positions of shells corresponding to the breaker contacts; and fixing the DR equipment at the positions with the marks so as to accomplish the transillumination preparation work with fixed focus and fixed point. By utilizing the fixed focus and fixed point detecting method of the DR equipment, compared with the conventional method, the detection time and the working strength can be shortened, and the detection precision and the efficiency are improved. By utilizing the method and a specific fixing device provided by the invention, the number of transillumination personnel is greatly reduced, normally, 2-3 people are enough, and the accurate positioning can be realized rapidly, so that the transillumination preparation time is shortened to 5 minutes, and thus the working efficiency is greatly improved.
Owner:GUIZHOU POWER GRID CO LTD
Imaging department X-ray film observation device
InactiveCN107643600AIrradiation angle adjustableBrightness adjustableOptical elementsMagnifying glassEffect light
The invention relates to an observation device, and particularly relates to an imaging department X-ray film observation device. The technical problem to be solved by the invention is to provide the imaging department X-ray film observation device. In order to solve the technical problem, the imaging department X-ray film observation device provided by the invention comprises a support and the like. Support wheels are arranged at the bottom of the support. A brake is arranged on each support wheel. A moving device is arranged at the bottom in the support. A swinging device is arranged on the left side of the moving device. A magnifying lens is connected with the top of the moving device. A fixation plate is connected with the top of the support. A lighting lamp is arranged in the middle ofthe top of the fixation plate. According to the invention, the device can be conveniently moved to a suitable position; a doctor observes a wide range of an X-ray film; free partial magnifying is realized; the doctor can clearly observe a plurality of parts, which facilitates the doctor to concentrate on the X-ray film from different angles; and a second drawstring and the lighting lamp are wellprotected, which is easy to disassemble and replace the magnifying lens, and is easy to clean the lighting lamp.
Owner:谭克平 +2
Method and system for diaphragm segmentation in chest X-ray radiographs
A method and system for segmenting diaphragm regions in a chest X-ray radiograph is disclosed. The diaphragm regions are segmented based on left and right lung lobe regions and a heart region in the chest X-ray radiograph. A right diaphragm region is segmented in the chest X-ray radiograph based a boundary of the right lung lobe. A left diaphragm region is segmented in the chest X-ray radiograph based on the heart region and a boundary of the left lung lobe.
Owner:SIEMENS HEALTHCARE GMBH
X-ray film taking and placing robot system
ActiveCN104772749AShorten the timeRealize continuous automatic shootingManipulatorRobotic systemsX-ray
The invention relates to an X-ray film taking and placing robot system, which comprises a movable vehicle body, wherein an electric control cabinet is arranged above the right end of the movable vehicle body, a man-machine interaction interface is arranged on the upper end of the electric control cabinet, a base is arranged above the middle part of the movable vehicle body, the upper end of the base is provided with a six-freedom-degree robot, a film storage house transmission mechanism and a film storage house are arranged above the left part of the movable vehicle body, and the film storage house transmission mechanism is connected with the film storage house. The six-freedom degree robot is applied to the X-ray film taking and placement, the flexible degree is high, the operation speed is high, the time consumed by the X-ray film cassette taking and placement is greatly shortened, the time for shooting one X-ray film cassette can be reduced to 1min, in addition, the continuous automatic shooting of a plurality of X-ray film cassettes can be realized, the work efficiency is greatly improved, the mechanical arm can be folded, the equipment can be conveniently transported, the automation degree is high, and the X-ray radiography continuous operation in any position can be realized.
Owner:WUHU HIT ROBOT TECH RES INST
Method for fully corresponding fusion of pre-operation CT data and intraoperative X-ray radiograph
InactiveCN103479376AAvoid deformationAvoid blurComputerised tomographsTomographyGeneration processImaging processing
The invention provides a method for fully corresponding fusion of pre-operation CT data and intraoperative X-ray radiograph, and belongs to the field of medical image processing. Three-dimensional reconstruction of a focal part is carried out by using pre-operation CT 3D data of a patient and an MC algorithm; by taking the three-dimensional reconstructed model as information input, an digitally reconstructed three-dimensional radiograph, namely a DRR (digitally reconstructed radiograph) is simulated and generated on the basis of known boundary dimensions of a C-shaped arm type X-ray machine to be applied; a simulation emission source generated by the DRR is arranged at the position of a true emission source of the C-shaped arm type X-ray machine; an imaging plane is arranged at a true imaging plane position of the C-shaped arm type X-ray machine; the three-dimensional reconstructed focal model is arranged at the position of the patient during photographing; thus, the generation process of the DRR truly simulates the imaging process of the C-shaped arm type X-ray machine applied by the system; accordingly the CT 3D data and the X-ray radiograph are fully correspondingly fused, and the DRR is used for simulating the true X-ray radiograph.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
Medical imaging system and operation method therefor
ActiveUS10307119B2Low costImage be reducedComputerised tomographsDiagnostic recording/measuringMedical imagingVisual perception
The purpose of the present invention is to provide a method for obtaining a more effective 3D facial image for medical use. The present invention provides a medical imaging system includes a 2D surface image obtaining device including at least one camera for photographing a plurality of 2D facial images of an examinee, at different photography angles or ranges, a visual guidance configured to fix an examinee's line of vision, an X-ray radiography device for radiographing a 3D X-ray radiograph of the examinee's head, and an image synthesis unit for generating a 3D facial image by matching the plurality of 2D facial images with the 3D X-ray radiograph.
Owner:VA TECHNOLOGIE +1
X-ray image destroying device for imaging department
InactiveCN107694715AAvoid secondary pollutionEasy to transportGrain treatmentsPressesFixed frameCoupling
The invention relates to a destroying device, in particular to an X-ray image destroying device for an imaging department. The X-ray image destroying device for the imaging department is capable of breaking waste X-ray images and achieving convenient recycling and fast treatment. To solve the technical problems, the X-ray image destroying device for the imaging department comprises a first motor,a fixing frame, a first bearing seat, a first rotary shaft, a spiral blade, a feeding hopper and the like. The first motor and a breaking groove are sequentially arranged on the lower side of the upper wall of the fixing frame from left to right. The first rotary shaft is arranged on the first motor through a coupling. According to the X-ray image destroying device for the imaging department, theX-ray image destroying device for the imaging department has the beneficial effects that the waste X-ray images can be broken, recycling is facilitated, and the treatment speed is fast; the waste X-ray images can be broken quickly by means of the equipment, the recycling efficiency can be improved, the X-ray images can be compressed after being broken, the space is saved, and the following transportation for centralized treatment is facilitated.
Owner:史志成
Orthodontic treatment monitoring based on reduced images
ActiveUS10307221B2Conveniently and efficiently monitor and evaluate the positions of a patient's teethReduce resolutionOthrodonticsCharacter and pattern recognitionDigital dataImage resolution
Owner:3M INNOVATIVE PROPERTIES CO
Dental x-ray film viewing device
Owner:LUCAS JAMES JOHN +2
X-ray comparison system
InactiveCN103499881AShort timeImprove efficiencyImage data processing detailsOptical elementsX-rayDisplay device
The invention discloses an X-ray comparison system which comprises a displayer and a medical image information system; the displayer is provided with an X-ray slot, the medical image information system is connected with the displayer electrically and used for taking a historical X-ray of a patient, outputting to the displayer for displaying, and regulating the displaying brightness and position of the historical X-ray on the displayer so that the X-ray images inserting in the X-ray slots are overlapped. According to the X-ray comparison system, two X-rays shot in different periods can be overlapped for comparison, a doctor can discover the small difference of the two X-rays, the consumption time is short, and the efficiency is high.
Owner:无锡优创生物科技有限公司
Identifying ribs in lung X-rays
A method of detecting lung nodules in an anterior posterior x-ray radiograph comprising the steps of: generating candidate regions in image showing changes in contrast above a threshold level, and eliminating false positives by eliminating edges assignable to organs by: identifying edges; categorizing and eliminating rib edges; categorizing and eliminating lung tissue edges, and categorizing and eliminating blood vessels.
Owner:SIEMENS COMP AIDED DIAGNOSIS +1
Occlusion positioning X-ray film holder
InactiveCN104970819AQuickly understand the location relationshipFast and accurate implantationRadiation diagnostics for dentistryX-rayEngineering
The invention relates to an occlusion positioning X-ray film holder comprising a pedestal, a first deformation material, a second deformation material, and a clamp piece; an X-ray film and an X-ray machine irradiation tube are matched in usage; the top surface and the bottom surface of the pedestal are respectively provided with a first positioning portion of the first deformation material and a second positioning portion of the second deformation material; the clamp piece is arranged on a side face of the pedestal, and has a clamp room used for clamping the X-ray film. The first and second deformation materials on the top and bottom surfaces of the pedestal are bitten by teeth of a patient so as to form a first stereo tooth mark and a second stereo tooth mark matched with shapes and conditions of corresponding teeth; the first and second stereo teeth marks commonly form a positioning device repeatedly positioning, so the pedestal can repeatedly position a same location in a patient oral cavity through the positioning device, thus allowing a dentist to do tracking treatment or implantation operations.
Owner:DENSMART DENTAL CO LTD
Imaging device used for radiotherapy system
PendingCN110478630AEasy for visual observationAchieving Radiation ProtectionX-ray/gamma-ray/particle-irradiation therapyFlat panel detectorVertical plane
The invention provides an imaging device used for a radiotherapy system. The imaging device comprises a first X-ray tube, a second X-ray tube, a first flat panel detector and a second flat panel detector, wherein a first X-ray wave beam generated by the first X-ray tube and a second X-ray wave beam generated by the second X-ray tube cross at the predetermined imaging center, a first optical axis of the first X-ray wave beam and a second optical axis of the second X-ray wave beam are located on the same vertical plane, and an included angle between the first optical axis and the vertical direction is equal to that between the second optical axis and the vertical direction; the first flat panel detector is used for detecting the first X-ray wave beam, and the second flat panel detector is used for detecting the second X-ray wave beam; the first flat panel detector and the second flat panel detector respectively comprise fixed frames and detector bodies installed in the fixed frames, andcircuits of the detector bodies are hidden in the fixed frames. According to the imaging device, based on orthogonal imaging geometry, projection images similar to view angles of conventional X-ray images can be generated by the imaging device, and therefore convenience is provided for image postprocessing and visual observation of operation workers.
Owner:JIANGSU RAYER MEDICAL TECH GO LTD
Novel CT (Captive Test) machine data acquiring and imaging system
InactiveCN102247155ALow priceHigh resolutionComputerised tomographsTomographyX-ray filterStereo camera
The invention discloses a novel CT (Captive Test) machine data acquiring and imaging system comprising an X-ray tube, a controller, an imaging screen, a high-speed camera, an image digitizing module, a data processing module and a computer, wherein the controller is respectively and electrically connected with the X-ray tube, the imaging screen, the high-speed camera and the computer, and the high-speed camera, the image digitizing module, the data processing module and the computer are electrically connected in sequence. The novel CT machine data acquiring and imaging system has the beneficial effects that imaging can be finished by one-time scanning, thus the radiation dose on the tested objected is low; the resolving power is higher, and the layer space is smaller, so that clinicopathologic features which are difficult to detect by the common CT machine are easy to detect by the novel CT machine data acquiring and imaging system; the X-ray filter of the tested object can be digitalized to obtain a 360-degree omnibearing DR (Dead Reckoning) filter to realize the purpose of one machine with multiple purposes; the high-speed camera and the small-power X-ray tube are low in cost; the system does not need to rotate at a high speed; and the novel CT machine data acquiring and imaging system has the advantages of simple physical structure, low production cost and high working stability.
Owner:郭圣华 +1
Dental x-ray film viewing device
A dental x-ray film viewing device includes a film reader having a digital video camera and an image display screen connected to the video camera for displaying an enlarged digital image of the x-ray film using signals transmitted directly from the video camera. The film reader includes a film illumination station that has a back-lighted film seat. The film seat includes a translucent plate and a non-transparent film anchoring wafer having an opening complimentary to the x-ray film for seating the x-ray film, and blocking light in an area surrounding the x-ray film. The film reader has a video camera having lens thereof focusing on the film window, and the lens has a distortion at the full field less than 3%. The device provides a substantially enlarged high resolution and high contrast digital image as an accurate representation of the original x-ray film, without digital processing by a computer.
Owner:LUCAS JAMES JOHN +2
Apparatus and method for analyzing radiography position error or radiography condition error or both based on x-ray radiograph
InactiveUS20170193675A1Effective trainingService is blockedImage enhancementImage analysisSoft x rayVertical alignment
Disclosed is an apparatus and method for analyzing a radiography position error or a radiography condition error or both on basis of an x-ray radiograph. The apparatus includes an error data output unit outputting error data indicating that a radiography position or a radiography condition or both are incorrect by analyzing the X-ray radiograph; and an error data record unit recording the error data, wherein the error data output unit includes at least one of: a horizontal alignment error analysis unit analyzing a horizontal alignment error; a vertical alignment error analysis unit analyzing a vertical alignment error; a canine tooth alignment error analysis unit analyzing a canine tooth alignment error; an irradiation condition selection error analysis unit analyzing an irradiation condition selection error; a lead apron wearing error analysis unit analyzing a lead apron wearing error; and a Frankfort line alignment error analysis unit analyzing a Frankfort line alignment error.
Owner:VA TECHNOLOGIE +1
A system for automatically adjusting gray level of X-ray film image
A system for automatically adjusting gray level of an X-ray film image takes advantage of a load plate, an X-ray aperture, a ray tube, an X-ray detector, X-rays, high pressure generating devices, a detection device, a central proces unit, an X-ray film processing apparatus, an image processing apparatus, a parameter input device and a display device. Through the processing of the image processingapparatus, the X-ray image can be clearly displayed, An X-ray diaphragm irradiates X-rays onto a subject, X-rays transmitted through the subject are projected to an X-ray detector, an X-ray detector detects X-rays, and converts the detection result into an electric signal and transmitting the electric signal to the detection device, the detection device transmits the electric signal to the centralprocessing device, the central processing device transmits the electric signal to the X-ray film processing device, the X-ray film processing device forms the image information of the subject based on the electric signal transmitted from the X-ray detector through the detection device, and the parameter input device is used for adjusting the gradation range of the image information.
Owner:NANYANG CITY CENT HOSPITAL
An X-ray film comparison system
InactiveCN103499881BShort timeImprove efficiencyImage data processing detailsOptical elementsDisplay deviceX-ray
The invention discloses an X-ray comparison system which comprises a displayer and a medical image information system; the displayer is provided with an X-ray slot, the medical image information system is connected with the displayer electrically and used for taking a historical X-ray of a patient, outputting to the displayer for displaying, and regulating the displaying brightness and position of the historical X-ray on the displayer so that the X-ray images inserting in the X-ray slots are overlapped. According to the X-ray comparison system, two X-rays shot in different periods can be overlapped for comparison, a doctor can discover the small difference of the two X-rays, the consumption time is short, and the efficiency is high.
Owner:无锡优创生物科技有限公司
Method and system for diaphragm segmentation in chest X-ray radiographs
Owner:SIEMENS HEALTHCARE GMBH
An X-ray film pick-and-place robot system
ActiveCN104772749BShorten the timeRealize continuous automatic shootingManipulatorRobotic systemsX-ray
Owner:WUHU HIT ROBOT TECH RES INST
X-ray radiograph apparatus
Owner:SHIMADZU SEISAKUSHO CO LTD
An X-ray film observation device for imaging department
InactiveCN107643600BEasy to observeEasy to concentrate on observationOptical elementsMagnifying glassEffect light
The invention relates to an observation device, and particularly relates to an imaging department X-ray film observation device. The technical problem to be solved by the invention is to provide the imaging department X-ray film observation device. In order to solve the technical problem, the imaging department X-ray film observation device provided by the invention comprises a support and the like. Support wheels are arranged at the bottom of the support. A brake is arranged on each support wheel. A moving device is arranged at the bottom in the support. A swinging device is arranged on the left side of the moving device. A magnifying lens is connected with the top of the moving device. A fixation plate is connected with the top of the support. A lighting lamp is arranged in the middle ofthe top of the fixation plate. According to the invention, the device can be conveniently moved to a suitable position; a doctor observes a wide range of an X-ray film; free partial magnifying is realized; the doctor can clearly observe a plurality of parts, which facilitates the doctor to concentrate on the X-ray film from different angles; and a second drawstring and the lighting lamp are wellprotected, which is easy to disassemble and replace the magnifying lens, and is easy to clean the lighting lamp.
Owner:谭克平 +2
Radiograph density detection device
ActiveUS20170332989A1Material analysis by transmitting radiationRadiation diagnosticsTissue densitySheet film
Systems and process are provided to make X-ray radiographs sufficiently quantitative and standardized for bone and other biological material or non-biologic material density evaluations. The X-ray radiograph methodology and system provide a cost effective diagnostic tool that may be used with existing X-ray radiography sources already present in many clinics and hospitals to ultimately produce large volumes of scientifically valid data and useful diagnostic and prognostic information. A calibration bar is added to a conventional X-ray film cartridge and images thereof subsequently incorporated into radiographs for interpretation or a cartridge is designed to integrate a calibration function. The calibration standard affords a standard against which material density is measured. A software program is provided to interpret tissue densities (including bone) to ultimately identify values compared to preselected thresholds.
Owner:SCARLET IMAGING RADIOLOGY LLC
Galactophore cancer computer auxiliary diagnosis system based on galactophore X-ray radiography
InactiveCN100484474CImprove accuracyImprove efficiencySpecial data processing applicationsRadiation diagnosticsFeature extractionDiagnosis methods
The invention discloses a breast cancer computer auxiliary diagnosis method and system based on galactophore X-ray radiograph. A galactophore X-ray radiograph for diagnosis is input into the system of the invention firstly, and is treated through an extracting module in a region of interest, a partitioning module and a feature extracting module in a region of doubtful lump, hereby a series of relative feature values about the doubtful lump region; then the feature values are input into a trained classifier which classifies and identifies the doubtful lump region and lastly the computer automatic examined final result of portioning the doubtful lump region is located on the input galactophore X-ray radiograph for diagnosis and the calculated relative feature values of the region are displayed to a roentgenologist according to requirements to indicate the roentgenologist about the region needing special attention and relative important parameters of the region. The invention can improve the accurateness and efficiency of the breast cancer diagnosis by the roentgenologist to some extent and help the roentgenologist to bring forward a diagnostic opinion and a therapeutic schedule more objectively and effectively.
Owner:HUAZHONG UNIV OF SCI & TECH
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