25 results about "Digital imaging" patented technology

This invention relates to the field of image processing technology, and more specifically, to an automatic defect identification method for X-ray digital imaging based on response compensation, comprising the following steps: Step 1: Performing two consecutive pulse exposures at high and low energy levels on the same welded workpiece to obtain a high-energy line integral attenuation map and a low-energy line integral attenuation map; Step 2: Solving a system of dual-energy attenuation equations pixel by pixel using spectral weighted attenuation parameters; generating a defect equivalent thickness map and a refined equivalent atomic number distribution map; Step 3: Feeding the high-energy compensated image, the defect equivalent thickness map, and the refined equivalent atomic number distribution map into a material-aware segmentation network to output a defect probability map; outputting the defect category determination result. This invention elevates defect identification from the traditional grayscale domain to the material domain, effectively eliminating the interference of workpiece wall thickness variations on defect contrast and overcoming the problem of easy confusion between different defect categories when relying solely on a single grayscale feature.

This invention discloses a non-destructive testing method, apparatus, electronic equipment, and storage medium for defects in hydrogen storage cylinders, belonging to the field of hydrogen storage cylinder testing technology. The method involves setting testing equipment parameters based on the basic information of the hydrogen storage cylinder and determining the configuration information of the information processing equipment; performing digital imaging radiographic testing on the hydrogen storage cylinder according to the testing equipment parameters; acquiring test images of the hydrogen storage cylinder based on the digital imaging radiographic testing results; analyzing the validity of the test images based on the clarity information of the hydrogen storage cylinder in the test images; and determining whether the testing method and testing equipment need adjustment based on the analysis results; and identifying defects in the hydrogen storage cylinder using the valid test images. This method achieves non-destructive testing of hydrogen storage cylinder defects, ensuring the stability, comprehensiveness, and accuracy of the test results.

The invention relates to a method and a system for measuring strain of an ice sample in a uniaxial compression test process by using a crystal texture digital image. The method comprises the following steps: preparing the ice sample: preparing the ice sample according to a predetermined direction of the uniaxial compression test; polarized light imaging arrangement: placing the ice sample between a chassis and a pressure plate of a uniaxial compression testing machine; a cold light source with adjustable brightness is arranged behind the ice sample, and a polaroid is arranged between the cold light source and the ice sample; arranging a high-speed camera in front of the ice sample and installing a polarized lens to receive polarized light passing through the ice sample; adjusting image quality: enabling the length direction of the ice sample to be along the loading direction of a tester and the thickness direction to be along the light path direction of polarized light; uniaxial compression test and synchronous acquisition; calculating a strain field: calculating a strain field and a deformation field of the surface of the ice sample according to a digital image correlation method based on the polarized light grayscale images of the ice sample at adjacent moments; and identifying crack propagation.

This invention provides a binocular high-resolution digital imaging real-time stereoscopic vision microscope system, comprising a binocular microscope body (consisting of a binocular zoom parfocal optical path and a microscope magnifying objective camera), a binocular imaging subsystem, and a stereoscopic image display. The binocular imaging subsystem includes: an image projection correction calculation module, which acquires original left and right image data through the binocular microscope body, performs manufacturing parameter consistency correction and image projection correction on the original left and right image data, and obtains a projection distortion-corrected image; and a stereoscopic image output calculation module, which, based on the distortion-corrected image, performs photographic spatial projection position and attitude correction to obtain a large depth-of-field digital stereoscopic image, and transmits the ultra-depth-of-field digital stereoscopic image to the stereoscopic image display for real-time display. This invention can obtain nanometer-level sampling resolution digital images, eliminate image projection distortion caused by manufacturing and installation errors of the microscope body, and achieve high-resolution, high-magnification microscopic stereoscopic image observation.

The present application discloses a kind of formed component detection containing device and detection device, including detection part A, detection part E;Detection part A includes cavity A, cavity A is used to accommodate sample A, cavity A is used to take micro magnification image for microscopic sample, above-mentioned micro magnification image is used for formed component analysis;Detection part E includes cavity E;Cavity E is used to accommodate sample E static stratification;Stratification information of sample E is used to calculate the volume of component in formed component.Detection device and formed component detection containing device cooperate;Including micro magnification digital imaging assembly, stratification detection assembly;Micro magnification digital imaging assembly is used to take micro magnification image for microscopic sample;Obtain the image of sample in cavity A, for formed component analysis;Stratification detection assembly is used to obtain the stratification information of sample E.

The invention belongs to the field of straight seam submerged arc welding steel pipe radiographic inspection, particularly relates to a novel straight seam steel pipe end welding seam radiographic inspection detection system and detection method, and aims to solve the problem that the straight seam steel pipe end welding seam radiographic inspection efficiency is low. The novel straight seam steel pipe end welding seam radiographic inspection system comprises radiographic inspection detection devices arranged at the two ends of a to-be-detected steel pipe respectively, and each radiographic inspection detection device at the two ends comprises a ray emission system and a digital imaging plate imaging system which are matched with each other.

The multifunctional detection sample containing device and the multifunctional detection device comprise detection part A and detection part B; the detection part A comprises cavity A; the cavity A is used for containing sample A, and the cavity A is used for shooting a microscopic magnified image of a microscopic sample, and the microscopic magnified image is used for morphological component analysis; the detection part B comprises cavity B; the cavity B is used for containing sample B, and the cavity B is used for optical detection analysis of the sample, and the optical detection analysis is used for immunoassay of the sample B. The multifunctional detection device comprises a microscopic magnified digital imaging assembly and an optical detection assembly; the microscopic magnified digital imaging assembly is used for shooting a microscopic magnified image of a microscopic sample; the image of the sample in the cavity A is obtained, and is used for morphological component analysis. The sample in the cavity B of the multifunctional detection device is irradiated by light in the optical detection assembly, and immunoassay of the sample is carried out according to the optical reaction characteristics of the sample.

The application discloses a multi-split power transmission conductor strain clamp X-ray digital imaging automatic detection system and relates to the field of electric power equipment operation and inspection. The system comprises: a gate planning module, which collects radiation states and stability to obtain state codes, generates session numbers, view sequence numbers and session records; a calibration collection module, which generates external parameter numbers and exposure numbers for the state codes in the permission state, collects frame sequence numbers for the view sequence numbers, and generates collection records; a pretreatment correction module, which reads the collection records to obtain compensation numbers, external parameter numbers and frame sequence numbers, generates standardized images, structure indexes and pretreatment records; a defect judgment module, which obtains structure indexes and standardized images based on the pretreatment records, generates defect types and evidence references, and writes into judgment records; and an archiving and tracing module, which reads the session records, collection records, pretreatment records and judgment records, associates session numbers and state codes, and writes into archiving records. The gate session is connected through collection, pretreatment, judgment and archiving to realize full-chain tracing.

A system and method for digital imaging and communications in security (DICOS) standard compliance validation. The system and method may validate both communication messages and files for compliance with the DICOS standard. In some embodiments, the system includes a processor for communicating with a test subject and a memory having program instructions stored thereon for performing a compliance test of the test subject to determine if the test subject is complaint with the DICOS standard. Execution of the instructions by the processor causes the processor to carry out the steps of: confirming that a transmitted DICOS message, e.g., a response or request, from the test subject is compliant with the DICOS standard; logging any errors in the transmitted DICOS message from the test subject in a validation report; and transmitting a simulated DICOS message, e.g., a response or request, to the test subject. In some embodiments, the steps further include, in response to the transmitted DICOS message, accessing a DICOMDIR file stored in the memory. The DICOMDIR file may be configured as a directory for DICOM file sets stored the memory. Transmitting the simulated DICOS message to the test subject may be performed in response to accessing the DICOMDIR file stored in the memory. Also, a DICOM file may be stored or retrieved from memory in response to accessing the DICOMDIR file stored in the memory.

A protected, full-color document, as well as the processes and systems for manufacturing it, secured by a removable scratch-off film, where protection against attacks such as alteration and / or copying is ensured by digitally imaged Benday patterns and / or digitally imaged background patterns around variable indices. By printing Benday patterns and / or an imaged background using the same four-color imagers, ease of use and integrity of the protected document are achieved from the consumer's point of view, while offering a more secure, less expensive, and more aesthetically pleasing document design. Figure from the abstract: [FIG. 2G]

Embodiments herein rapidly transform computed tomography angiography (CTA) data into an interactive, holographic visualization for clinical use. In one embodiment, a system for visualizing computed tomography angiography (CTA) images comprises a data interface configured to receive CTA image data in a Digital Imaging and Communications in Medicine (DICOM) format. The system also comprises a processor configured to render a plurality of two-dimensional CTA slice images into a three-dimensional (3D) volumetric dataset from the CTA image data, to filter the 3D volumetric dataset to resolve vascular structures relative to surrounding tissue and bone, and to generate an extended reality (XR) holographic representation of the filtered 3D volumetric dataset. The system also comprises an XR display device configured to present the holographic representation to a user for the user to manipulate the holographic representation and identify a vascular abnormality.

This invention provides a large depth-of-field digital imaging stereoscopic endoscope system, including an endoscope catheter, a binocular digital imaging miniature stereoscopic camera, a control and calculation subsystem, and a stereoscopic image electronic display. The control and calculation subsystem includes: an image acquisition and correction calculation module, which performs manufacturing parameter consistency calculations on the acquired raw binocular digital image data to obtain a parameter-consistent image; an image projection and posture correction calculation module, which corrects the phase angle tilt projection of the left and right images and the installation posture error to obtain a corrected image; and an image rearrangement and image output calculation module, which rearranges the corrected image to obtain a correctly projected image, and then outputs the final stereoscopic image. This invention solves the problems of flattened depth of field and viewing dizziness associated with stereoscopic images, improves the technical performance of the equipment, and lowers the technical threshold for the precision manufacturing and maintenance of 3D electronic endoscopes.

Automated drill cutting monitoring system includes a digital imaging device mounted to a shale shaker of a wellbore drilling assembly and a computer system. The digital imaging device captures digital images of solid objects released when drilling a subterranean zone. The computer system receives the digital images and determines a space occupied by the solid objects on the shale shaker. Using the space occupied by the solid objects on the shale shaker, the computer system determines wellbore conditions.

The application discloses a liver cancer treatment effect prediction model construction method based on IFITM3, relates to the technical field of biological medicine, and has the technical points that an IFITM3 whole-process standardization detection system from tumor tissue pretreatment, immunohistochemical staining, chromatin control to digital imaging and positive area quantification is established; the system can eliminate batch differences of immunohistochemical detection by fixing reagent parameters, a staining process and quality control rules; the stability and repeatability of marker quantitative results are ensured by unified ROI selection, quantification algorithms and feature summary rules; meanwhile, the whole process is completely compatible with conventional detection operation of a clinical pathology department, and high-end detection equipment does not need to be newly added, so that standardized operation specifications are provided for clinical transformation of the model.

A system and methods for the correction of optical aberrations in a digital imaging system contained in a cellular phone. The system includes several main parts, including (a) digital filters, (b) hardware modifications, (c) digital system corrections, (d) digital system dynamics and (e) network aspects. The methods correct optical aberrations in captured images using software that is wirelessly updated. The system and methods solve numerous problems in still and video photography that are presented in the digital imaging environment in cellular phones.

This application provides a digital radiographic imaging inspection device for circumferential welds of pressure equipment, relating to the field of non-destructive testing technology for pressure equipment. It includes an adjustment frame, a radiographic receiver processor, an infrared radiation source emitter, and a display screen. The radiographic receiver processor, infrared radiation source emitter, and display screen are electrically connected. The adjustment frame has an adjustment component on its surface, which includes an electric guide rail and a fixed plate. The fixed plate is slidably connected inside the electric guide rail. By adopting the above technical solution, this digital radiographic imaging inspection device for circumferential welds of pressure equipment allows for the adjustment of the fixed plate's position via the electric guide rail during weld radiographic inspection. This allows the fixed plate to move the radiographic receiver processor and infrared radiation source emitter, adjusting them to a suitable position for effective infrared digital imaging inspection, thereby improving the efficiency of weld radiographic inspection.

Automated systems and methods for evaluating specimens affixed to substrates, such as slides, an exemplary system including a slide imager configured for acquiring a plurality of micro images of a specimen affixed to an substrate, the specimen including a plurality of objects distributed within a three-dimensional volume, and for generating a whole specimen image of the specimen using the micro images, wherein objects contained in the specimen are depicted substantially in focus in the whole specimen image regardless of a z-depth of the respective objects within the specimen. The whole specimen image is stored on a storage medium for subsequent review by a cytotechnologist using a computer-controlled review station including a display and a user interface, wherein the review station user interface is configured such that the cytotechnologist can review and classify the stored whole specimen images. 20 25 20 36 10 19 M ay 2 02 5 A B S T R A C T 2 0 2 5 2 0 3 6 1 0 1 9 2 0 2 5 M a y

The present application relates to the technical field of medical digital imaging, and discloses a CT scanning parameter self-adaptive control and adjustment system based on texture decomposition reconstruction, which comprises a sliding window data acquisition module, a fast texture state sensing module, a dual variable saturation analysis module and a dual-channel dynamic impedance matching control module. The system uses a sliding window to real-time intercept local projection data, extracts a second dual variable representing texture gradient through an original-dual iterative algorithm, and calculates the saturation of the second dual variable within a constraint boundary to generate a feedback error. The control module responds to the error to perform dual-channel synchronous adjustment: the first channel adjusts the tube current of an X-ray generating device, and the second channel dynamically adjusts the regularization parameter of a reconstruction model according to the tube current value. The present application realizes dynamic impedance matching of physical photon flux and algorithm regularization intensity, ensures the balance of image texture and noise under different attenuation regions, and reduces the radiation dose while ensuring the diagnostic image quality.

This utility model relates to the field of medical image processing technology, specifically to a fully automated cell microscopy image scanning system. It aims to solve the problems of low throughput, time-consuming and labor-intensive traditional image acquisition methods, which are prone to errors and missed detections. The key technical points are: it includes a host computer, scanning and browsing software, and a workstation. The host computer includes: a slide loading module, a stage, an image acquisition module, and a light field module arranged sequentially along the slide delivery direction; it also includes an automatic lubricator. It can realize automatic scanning, identification, acquisition, statistical analysis, and other functions of target samples, and provides a user-friendly interface. It has compatibility with brightfield, fluorescence, and high-precision oil immersion scanning capabilities, and can be applied to clinical pathological diagnosis, pathological teaching, histological cell imaging, fluorescence analysis, and digital immunohistochemical imaging.

The present application relates to the technical field of image data processing, in particular to a veterinary image data management and feature recognition method and system, comprising the following steps: acquiring a veterinary image gray row sequence based on a digital imaging device, re-dividing continuous row sections, merging continuous pixel segments relying on row section space indexes, forming a boundary extension identifier combining the connection relationship of the boundary area, determining the closed contour of the lesion, and forming a lesion positioning result. The present application constructs a continuous sectional relationship through the gray level change of the row sequence, establishes a cross-regional texture extension path according to the connection of the beginning and end of the segment, introduces a back connection determination process at the boundary position to maintain the continuity of the trajectory, forms a closed contour determination basis in the process of edge direction change, synchronously associates the contour structure with the spatial position, labels the content together with the contour structure, keeps the structure coherent during the analysis process of the image data, forms a stable corresponding relationship between the labeling result and the original image position, and makes the search process keep consistent with the content matching of the position pointing.

A system for imaging a substrate has a first substrate, designated as Medium A. Medium A is digitally imaged, such as by printing a color image formed with CMYK inks. Medium A also has a glue ink layer formed over the image layer, and may have a white ink layer positioned between the image layer, and the glue ink layer. Another substrate, designated as Medium B, has a non-substantial film forming polymeric coating formulated for lamination of the polymeric coating on Medium A. Medium B is laminated under pressure onto Medium A to form the polymeric coating on the imaged portions of Medium A. The image is then transferred under heat and pressure from Medium A to a final substrate upon which the image is to appear. The image layer is formed over the white ink layer as it appears on the final substrate.

The present disclosure belongs to the technical field of nuclear power and specifically relates to a kind of nuclear fuel rod end plug weld seam ray digital imaging defect identification method.The present disclosure uses automatic process throughout, greatly reduces the cost of human intervention;X-ray image is detected and identified with high accuracy for small defects, which can effectively detect the tiny defects in the fuel rod end plug weld seam;The processing speed of the algorithm of the present disclosure for X-ray image is fast, which can realize real-time nondestructive testing of nuclear fuel rod end plug weld seam;The present disclosure combines deep learning algorithm and rule model algorithm, has good universality and scalability, and can be widely applied to defect detection of other similar structures.

The invention discloses a surrounding rock internal damage dynamic monitoring device and method based on a drilling imaging robot, the device comprises a hollow track rod, the drilling imaging robot, a pressure and displacement control assembly and a digital imaging acquisition assembly, the extending end of the hollow track rod is provided with a chassis, and the periphery of the hollow track rod is provided with an expandable air bag; after pressurizing through the pressure and displacement control assembly, centered fixing is achieved; the drilling imaging robot slides on an outer track structure on the hollow track rod so as to realize continuous scanning imaging of the inner wall of a drilled hole; the digital imaging acquisition assembly is in communication connection with the drilling imaging robot and is used for acquiring and processing scanned image data so as to identify damage; through combination of a hollow track rod, a chassis and an expandable air bag centering fixing mechanism and continuous scanning imaging, stable and high-resolution in-situ dynamic monitoring in a drill hole is achieved, the image acquisition stability and accuracy are improved, and the reliability and effectiveness of surrounding rock internal damage monitoring are improved.