14 results about "Digital radiography" patented technology

The application relates to the technical field of nondestructive testing, in particular to a nondestructive testing system based on digital ray CR technology, which comprises a base, the top end of the base is fixedly connected with a socket and a placing seat on the two sides, respectively, an annular slot is formed in one end of the socket, the annular slot and the placing seat are used for placing an inclined pipe and an arc-shaped pipe, a circulating detection mechanism is arranged on the outer side of the inclined pipe corresponding to the top end of the base, and a positioning and clamping mechanism and a cooling mechanism are arranged on the outer side of the placing seat corresponding to the top end of the base, respectively; the circulating detection mechanism comprises L-shaped rods fixedly connected on the two sides of the top end of the base, a special-shaped ring is fixedly connected between the two L-shaped rods, a special-shaped ring column is fixedly connected to the inner wall of the special-shaped ring, and a special-shaped groove is formed in the inner wall of the special-shaped ring column; the detection probe can move around the weld, so that the nondestructive detection operation on the weld can be continuously carried out, manual operation is not needed, and therefore the detection efficiency can be improved.

The invention relates to a camellia seed internal defect detection method based on an x-ray digital radiation imaging technology, which comprises the following steps: S1, sample imaging: carrying out digital projective imaging on camellia seeds by adopting table type X-ray scanning equipment, setting the X-ray tube voltage of the equipment to be 50 kV, the current of the equipment to be 5 mA, the gray value range to be-32768 to 32767, the image acquisition resolution to be 0.125 mm, and the X-ray tube voltage of the equipment to be 50 kV and the current of the equipment to be 5 mA; the size of an original image is 888 * 1096 pixels, the image format is JPG, each camellia seed sample is imaged once, and a two-dimensional transmission image is obtained and used for fully displaying the internal structure of camellia seeds and possible health, wizened, cavity or worm damage defects; according to the method, the high-resolution transmission image of the camellia oleifera seeds is obtained by adopting the X-ray digital radiation imaging technology, and the internal structure and tiny defect information of the camellia oleifera seeds can be completely displayed, including multiple defect types such as wizened, cavity and worm damage.

1. The name of the design product: double column digital photography X-ray machine. 2. The use of the design product: for human medical imaging, specifically for radiographic examination of the head, chest, abdomen, pelvic cavity, leg and other parts of the human body. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: combined state reference drawing. 5. Other components that need to be explained: component 1 is the flat end of the X-ray machine; component 2 is the ball tube end of the X-ray machine; component 3 is the detection platform.

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).

A flexible digital radiography detector assembly includes a flexible sleeve enclosing an array of photosensors supported by a flexible substrate. Integrated circuit readout electronics are coupled to the array of photosensors and to a circuit board having conductive contacts. The contacts engage a handheld readout electronics cartridge to initiate reading of image data captured in the array of photosensors and to display the image data on a screen in the readout electronics cartridge.

The invention relates to a digital ray detection device for a pipeline and a detection method thereof.The detection device comprises a crawler main body, a ray machine head and a visual positioning module are arranged at the front end of the crawler main body, a flexible imaging plate assembly is arranged outside the pipeline, and the flexible imaging plate assembly is provided with an imaging driving motor; the flexible imaging plate assembly can rotate in the circumferential direction of the outer wall of the pipeline and collect all-round transillumination images of the pipeline, and a control and data processing unit connected with the crawler body and the flexible imaging plate assembly is arranged outside the pipeline. In implementation, the crawler main body can be used for travelling in small and medium-sized pipe fittings, and the crawler main body structure can be bent, so that the crawler can pass through a 90-degree elbow without obstruction, and is suitable for a complex pipeline structure. The visual positioning module arranged at the front end of the crawl device body can automatically recognize and track a welding seam, the ray mechanism carries out full exposure on the interior of a pipe fitting, full-circumference transillumination of the welding seam is achieved in combination with rotation of the flexible imaging plate assembly, and the detection efficiency and the detection precision are effectively improved.

The embodiment of the invention discloses a composite image accuracy verification method and device, a composite image modeling method and device, a digital radiography system and a storage medium. The method comprises the following steps: acquiring a composite image of an imaging target, wherein the composite image is formed by splicing digital ray images of different parts of the imaging target; inputting the composite image into a pre-trained accuracy verification model of the composite image for calculation; a verification result output by the model is obtained, and the verification result comprises whether the synthesized image is accurate or not and redundant or / and missing content identification when the synthesized image is not accurate. According to the embodiment of the invention, the accuracy of the synthesized image is automatically and quickly verified.

This utility model relates to the field of X-ray machine technology, and in particular to an unlocking device for a digital X-ray imaging machine. It includes a signal triggering component, which comprises a handle. The inner sidewall of the handle has a mounting groove, within which a signal triggering plate is detachably mounted. The signal triggering plate has a first curved surface on its side facing the outer peripheral wall of the handle. Curved blocks are symmetrically connected to both ends of the signal triggering plate. The outer sidewall of each curved block includes a fourth curved surface connected to the outer peripheral wall of the handle, a fifth curved surface tangent to the outer peripheral wall of the handle, and an edge formed at the junction of the fourth and fifth curved surfaces. In this utility model, the fourth curved surface of the curved block forms a protruding structure, and the first curved surface of the signal triggering plate also forms a protruding structure. A finger must precisely press the area of ​​either the first or fourth curved surface to trigger the signal, thus narrowing the effective contact area to a specific region and preventing accidental activation due to hand or clothing contact.

This utility model belongs to the technical field of comparative test blocks and discloses a comparative test block for digital radiography (DR) pipe thickness measurement. It includes a magnetic block with a straight rod connected to its center. A stepped test block is installed in the middle of the straight rod, and a round bar is fixedly installed at the end of the straight rod. Based on the current availability of only one set of data to ensure the authority of the final data used, this method allows for the simultaneous acquisition of data from both the direct measurement method using a round bar and the experimental comparison method using a stepped test block in a single installation. The two sets of data are compared and verified, making the data more authoritative.

The application discloses a kind of based on digital ray technology's transmission line strain clamp nondestructive testing method, it is related to transmission line strain clamp detection field, method includes: collection strain clamp radiographic image and geometric dimension, stress and so on multidimensional parameter, data fusion is carried out by hypergraph structure, multidimensional heterogeneous strain clamp analysis model is calculated and analyzed in edge side using optimized hypergraph neural network and edge computing gateway, to visualize presentation detection result in the form of double screen linkage, while realizing intelligent diagnosis and defect early warning;The application provides an efficient, accurate and reliable solution for the intelligent operation and maintenance of transmission line strain clamp, effectively improves the safe operation level and operation and maintenance efficiency of power grid.

This invention relates to the field of medical imaging technology, specifically to a dynamic detection method and stress analysis system for pelvic stability based on dynamic DR (Digital Radiography). The method includes acquiring static CT or MRI images of the patient's pelvis based on the user's vital signs, adapting parameters of a three-dimensional infrared motion capture system, a force platform, and pressure sensors, and establishing a pelvic coordinate system and defining key point geometric features. Under load, the method collects the user's data to be tested; after preprocessing the collected user data, it reconstructs a three-dimensional model of the user's pelvis; based on the reconstructed three-dimensional pelvic model, it performs biomechanical analysis to generate pelvic stability indices; and automatically generates a pelvic stability risk index based on the pelvic stability indices, outputting clinical decision recommendations. This addresses the problem that traditional pelvic detection methods still rely on static images, failing to effectively quantify dynamic stress distribution and stability assessment, resulting in inaccurate assessment results.

The invention relates to a charging control method and device, medical equipment and a storage medium, the method is applied to DR equipment, and the DR equipment comprises a flat panel detector. The method comprises the following steps: detecting whether the residual electric quantity of the DR equipment is greater than a first preset electric quantity threshold; under the condition that the residual electric quantity of the DR equipment is greater than a first preset electric quantity threshold value, charging the flat panel detector; and after the flat panel detector is fully charged and a preset charging condition is satisfied, returning to execute the step of detecting whether the residual electric quantity of the DR equipment is greater than the first preset electric quantity threshold. By using the charging control method provided by the invention, the cruising ability of the flat panel detector can be improved.

A long-length imaging method based on digital radiography, and an image processing system and a computer-readable memory medium to implement the method. According to one respect of the invention, the long-length imaging method based on digital radiography comprises the following steps: A. determining a part of interest of an anatomy of an object; B. determining imaging parameters of digital radiography based on the part of interest, the imaging parameters at least including a plurality of specified positions of imaging components, wherein the plurality of specified positions are configured to make X-ray images captured at the plurality of specified positions by the imaging components include the part of interest of the anatomy of the object; and C. generating a long-length image in relation to the part of interest of the anatomy of the object based on the X-ray images at the plurality of specified positions.

An x-ray imaging system includes an x-ray source assembly having a transmitter and a video camera. A free standing digital radiographic (DR) detector includes a receiver, wherein the transmitter and receiver are configured to determine an spatial orientation of the digital radiographic detector relative to the x-ray source assembly. A digital display presents a live video image of a patient with a current position of the DR detector overlayed on the video image of the patient. A DR detector having built-in AEC sensors may display the current position of each of the AEC sensors in the overlay relative to the DR detector position based on the determined orientation of the DR detector. Each of the AEC sensors are individually activatable, and an AEC selection interface is configured to receive an operator selection of one or more of the AEC sensors to be activated.