22results about How to "Improve stitching accuracy" patented technology

The utility model provides a light-emitting diode (LED) box body with a protection function, which belongs to the technical field of LEDs and comprises a box body made of aluminum materials. A first boss and a second boss are arranged on the edges of the two sides of the box body respectively, a lock catch device is integrated on the first boss, and a lock hole matched with the lock catch device is formed in the second boss. The rear cover of the box body adopts a buckle type connecting structure; protection corners are arranged at the four corners of the box body, damping rods and springs are arranged on the protection corners, and the damping rods are sleeved with the springs. The box body is also provided with a wire buckle. A handle is arranged on the box body and connected with the box body through a hinge mechanism. When the device is used, a user can quickly open or close the rear cover through a buckle type connecting structure adopted on the rear cover, namely at least two groups of symmetrically distributed buckles are clamped in the clamping grooves of the box body, so that the user can more conveniently and quickly maintain, overhaul or upgrade equipment in the box body, and the maintainability of the device is improved.

The invention discloses a building road and bridge pouring construction process and device. The building road and bridge pouring construction device comprises a plurality of road and bridge pouring formwork bodies which are transversely spliced together. Each splicing structure is arranged between every two adjacent road and bridge pouring formwork bodies and comprises a splicing block fixed to the surface of one side of the corresponding road and bridge pouring formwork body, a splicing groove formed in the surface of the other side of the corresponding road and bridge pouring formwork body and corresponding to the splicing block, and an outer side type locking structure arranged between the splicing block and the splicing groove; each sealing structure is arranged between every two adjacent road and bridge pouring template main bodies; according to the building road and bridge pouring construction technology and device, through the innovative splicing structure and sealing design, it is avoided that penetrating type screw holes are formed in the splicing positions of the formworks, the problems that concrete leaks from the screw holes and slurry leaks in the pouring process are fundamentally solved, the defects of honeycombs, pitted surfaces and the like on the surface of the concrete are effectively prevented, and the construction quality is improved. The appearance quality of the road and bridge structure is remarkably improved, the road and bridge structure is smoother and more attractive, and the sealing performance of the formwork is enhanced.

This utility model discloses a medical suture locking device and its usage method, aiming to solve problems such as complex suturing operations, uneven tension, and difficulty in synchronous adjustment of multiple sutures in existing technologies. The device consists of a clamping shell, clamping latches, a locking mechanism, a spring-loaded mechanism, and medical sutures. Through a socket-type connection and a sliding rail groove structure, it achieves precise suture fixation and tension control. The spring-loaded mechanism design ensures that the clamping latches automatically spring back to the closed state, facilitating rapid suture adjustment; the locking mechanism, in conjunction with the limiting groove structure, effectively prevents latch displacement and suture loosening. The device is compatible with various suture specifications, and the optimized tooth shape enhances the fixing force. Compared with traditional technologies, this utility model is simple to operate, has stable performance, significantly improves surgical efficiency and safety, and is particularly suitable for high-precision surgeries such as valve repair, providing an ideal solution for surgical procedures.

The invention is suitable for the technical field of image processing, and provides a microsphere image splicing method and device, terminal equipment and a computer program product, and the method comprises the steps: carrying out the superposition of channel images collected at the same position of a microsphere in each channel of a specified round, and obtaining a microsphere small image corresponding to each position; the two microsphere small graphs at any adjacent positions have an overlapping region with a set proportion; on the basis of a preset sequence and the overlapping areas, splicing the microsphere small images in sequence to obtain a complete image corresponding to a specified round; after each time of splicing is completed, recording the reference position of the spliced small image in the new canvas after each time of splicing is completed; and on the basis of the reference position of each microsphere small image in the complete image, splicing the channel images of different positions of each channel of each round to obtain a composite image of each channel of each round. According to the invention, high-precision and high-efficiency alignment of cross-round and multi-channel panoramic images can be realized, and error propagation can be effectively inhibited.

The application discloses a multifunctional scanning rod for temporary dentures and relates to the technical field of oral implantation and repair. The scanning rod comprises a shell, an expansion sleeve, an inner screw, a threaded sleeve and a reference rod. An assembly hole is arranged in the shell and penetrates in the axial direction, a fixed part of the expansion sleeve is fixed in the assembly hole, and an expansion part is surrounded by a plurality of elastic expansion plates and is gathered to the axial line in a natural state. The inner screw has an outer threaded section and a distraction section, the threaded sleeve is internally provided with a first reverse conical insertion hole and a second insertion hole with an inner thread, and the outer periphery of the threaded sleeve is provided with a first outer thread and a second outer thread with different pitches. The outer threaded section of the inner screw is connected with the second insertion hole, and the distraction section is located in the expansion part. The rod part of the reference rod is threadedly connected with an inner mounting hole of the inner screw. When the reference rod is rotated, the distraction section radially expands the expansion plates. The scanning rod has adjustable locking force, high connection rigidity and can significantly improve the reliability of in-mouth scanning data.

The application discloses a cross-scale large-scale electromagnetic surface grid generation method with periodic fine features, comprising the following steps: reading a cross-scale electromagnetic geometric model with periodic fine features, setting a replication direction and a number; setting a periodic boundary condition of the electromagnetic geometric model, determining a source surface and a target surface of the replication direction, extracting a boundary line, and establishing a mapping relationship between the source surface, the target surface and the boundary line; discretizing the electromagnetic geometric model to generate a discrete background triangular grid; generating a size field of the overall geometry according to the periodic fine features and the cross-scale features of the electromagnetic geometric model; generating and merging surface grids of the source surface, the target surface and the remaining surfaces according to the discrete background triangular grid and the size field and the mapping relationship; and batch replicating and merging the surface grids according to the replication direction and the number to generate a cross-scale large-scale electromagnetic surface grid with periodic fine features.

The utility model relates to the technical field of naked eye display, in particular to a dynamic naked eye panoramic all-digital immersive display device with a transverse cylindrical lower section, which comprises a transverse cylindrical frame, a light-emitting diode (LED) display screen module, a rectangular galvanized steel pipe and a fixing piece. The curvature radius of the rectangular galvanized steel pipe is matched with the diameter of the transverse cylindrical frame, and the rectangular galvanized steel pipe is distributed in the axial direction of the cylindrical frame and used for supporting the LED display screen module. U-shaped clamps arranged at the corners of the display screen are adopted as the fixing pieces and matched with strip-shaped clamping grooves in the inner sides of the galvanized steel pipes, connection stability is enhanced through built-in magnet pieces, rapid mounting and dismounting are facilitated, the equipment further comprises fixing frames arranged at the two ends of the transverse cylindrical frame in a sleeving mode, the overall structural strength is further improved, and the equipment is compact in structure, high in visual immersion sense and high in practicability. The method is suitable for scenes such as virtual reality, exhibition display and game experience, and high-quality naked eye panoramic dynamic image presentation is realized.

This invention belongs to the field of steel formwork processing technology, specifically a precast grandstand steel formwork splicing and welding device, including a welding fixture. A steel formwork is mounted on the welding fixture, and pressure strips are respectively provided on both sides of the top of the steel formwork. A first insertion sleeve is fixedly connected to each of the two pressure strips. A first bearing bracket is fixedly connected to each of the first insertion sleeves on the welding fixture, and a first combined sleeve is rotatably connected to each of the first bearing brackets. In this invention, a first hydraulic cylinder drives a linkage frame and a second double-sided gear, causing the pressure strips on both sides to apply equal downward pressure to the top of the steel formwork, avoiding template tilting or stress concentration caused by unilateral pressure. The downward pressure can be adjusted according to the steel formwork model to meet differentiated pre-pressing requirements. The mechanical transmission chain ensures uniform pressure distribution. Pre-pressing before welding effectively constrains the tendency for thermal deformation, providing a stable benchmark for subsequent welding.

The invention discloses a method for splicing large-scale industrial module equipment, belongs to the technical field of large-scale industrial module construction, and aims to solve the problems of low splicing precision, poor quality control, weak tool universality and the like in the prior art. The method comprises the steps of module early-stage preparation, construction site arrangement, module hoisting and positioning, module splicing operation, quality inspection and acceptance, digital filing and the like. A module full life cycle database is established, a high-precision measurement control network is constructed, and an adjustable universal supporting tool and intelligent equipment are adopted, so that high-precision splicing of module butt joint unfitness smaller than or equal to 0.5 mm is achieved; bIM simulation, real-time monitoring and automatic welding technologies are combined, so that the defect rate of the welding seam is reduced to 1% or below. The device can adapt to heavy modules of 50-500 tons and 10-50 meters, the tool cost is reduced by 60% or above, the construction period is shortened by 40% or above, and the device is suitable for the high-precision requirement fields of the nuclear industry, the petrochemical industry and the like.

This invention relates to the field of digital inkjet printing technology, specifically to a method, device, and storage medium for full-circumference inkjet printing on the surface of curved objects. The method includes calculating the total number of physical ink dots around the circumference of the curved object and the printer resolution; using image processing to precisely match the total number of pixels around the pattern, the total number of encoder signals, and the total number of physical ink dots to achieve seamless 360° splicing; for irregular curved surfaces, three-dimensional data is acquired through contour scanning, and the number of ink dots is dynamically adjusted based on the perimeter ratio to achieve adaptive dot-mapping printing. The printing device includes a clamping device, a printhead module, a crossbeam, a printhead, an encoder, and a control unit, adaptable to printing on the inner and outer surfaces of various curved objects. This invention offers advantages such as high splicing accuracy, stable image quality, wide surface adaptability, and strong industrial adaptability, effectively meeting the needs of small-batch flexible production and large-scale mass production.

The utility model relates to the technical field of wood veneer splicing machines, in particular to a furniture wood veneer splicing machine which comprises a working plate and a plurality of wood veneers, two placing frames used for limiting the wood veneers are arranged on the top face of the working plate, a frame body is fixed on the top face of the working plate, and the furniture wood veneer splicing machine further comprises a gluing mechanism arranged on the bottom face of the transverse plate end of the frame body and used for gluing the wood veneers. The veneer gluing device is used for conducting accurate gluing treatment on a gap between every two adjacent veneers. Through the multi-dimensional adjustment design of the gluing mechanism, accurate positioning and dynamic gluing of veneer gaps are achieved, the motor drives the screw to rotate, the connecting plate is driven to move left and right, and the gluing pipe is aligned to the transverse position of the gaps; the electric cylinder controls the lifting plate to adjust the height of the gluing pipe to adapt to veneers with different thicknesses; the gluing electric push rod pushes the glue passing box to move front and back, gluing is conducted along the track of the gap, meanwhile, the camera body observes the position of the gap in real time and cooperates with the electromagnetic valve to control glue output, and it is guaranteed that the gluing position is accurate and the glue amount is uniform.

The invention discloses a method for installing a calcium silicate board wall surface, which comprises the following steps of: painting a wall surface base layer by adopting a permeable interface treating agent, preparing quick-drying polymer self-leveling mortar into slurry after the permeable interface treating agent is in a semi-cured state, and constructing and curing to form a transition layer; the calcium silicate board is cut, and a limiting buckle is installed; pretreating a gluing template, butting the pretreated gluing template with the back surface of the calcium silicate board, gluing through a two-component glue gun, quickly demolding, supplementing glue, and attaching the calcium silicate board to a transition layer for calibration and fixation; gun nails are adopted for assisting in fixing, and splicing and limiting of the calcium silicate boards are achieved by means of limiting buckles. According to the method, by optimizing the component design of the interface treating agent and the mortar and matching with the processes of differential base layer treatment, gluing, demolding and the like, stable connection of the wall surface base layer and the calcium silicate board is achieved, the method has the advantages of being high in construction efficiency, good in installation flatness and high in crack resistance, and the transition layer is excellent in strength and bonding stability; the quality problem is not easy to occur after long-term use of the wall.

The utility model relates to multi-slit push-scan type hyperspectral imaging system, including front objective lens, multi-slit element, spectrometer imaging subassembly and panchromatic focal plane detector, multi-slit element sets up in the imaging light path of front objective lens, multi-slit element includes rectangular window and multiple parallelly arranged slits, and the rectangular window department sets up filter, spectrometer imaging subassembly respectively receives the light that transmits from rectangular window and slit and handles after, focuses to panchromatic focal plane detector again, panchromatic focal plane detector gathers the light after spectrometer imaging subassembly processing, forms spatial image and spectral data, realizes the errorless splicing and fusion of spectral image according to the position and attitude change in spatial image continuous two frames, obtains the spectral image of high spatial resolution, high spectral resolution. The utility model front lens, the joint design of multi-slit element and spectrometer imaging subassembly obtains the optical system that spectrometer imaging performance is excellent, and the volume is small, and the signal-to-noise ratio is high, and the image acquisition rate is high.

The application relates to the field of display module design, and provides a preparation process of a full-flip COB mirror display module and a laser cutting machine, wherein the preparation process comprises the following steps: S1, incoming inspection of a PCB substrate; S2, fixed-pointing of full-flip RGB LED chips on the PCB substrate; S3, reflow soldering of the chips in nitrogen; S4, vacuum mold encapsulation of a COB display layer; S5, fine cutting of a process edge of the PCB substrate; S6, cleaning and plasma activation of super-thin glass; S7, mutual adhesion of the super-thin glass and a mirror high-light encapsulation layer through an OCA optical adhesive layer; S8, high-pressure defoaming treatment; S9, laser cutting; S10, fine polishing of an edge of the super-thin glass; S11, annular sealing point gluing at a joint between the super-thin glass and the PCB substrate, constant-temperature solidification, and preparation of a COB display module; S12, full inspection testing; and S13, repair of defective products. Therefore, the problems of easy edge collapse, low precision and poor yield of existing processes can be solved, and the synchronization of the COB display module thinning, super-high splicing precision, high mirror quality and high yield in mass production can be realized.

The invention relates to the technical field of video processing and live-action fusion, and discloses a real-time video stream distortion correction and splicing method for live-action fusion. According to the method, multi-source data are synchronously collected through a camera array ad hoc network integrating multiple sensing units, effective spatial anchor points are generated and screened through five-mode fusion, video elements are decomposed, association with the anchor points is established, distortion correction and spatial calibration are synchronously completed based on an adaptive element calibration matrix, and the distortion correction and spatial calibration precision is improved. And finally, dynamic seamless fusion of multiple paths of videos is realized through virtual space adaptive grid splicing. According to the method, a traditional linear processing flow is thoroughly overturned, the core problems of high splicing delay, poor dynamic scene adaptability and insufficient multi-element cooperative calibration precision in the prior art are solved, the method is suitable for various live-action fusion scenes such as urban traffic monitoring and large-scale venue security and protection, and the real-time performance and the seamless performance of video splicing are remarkably improved.

This invention relates to the field of welding fixture technology, and discloses a welding fixture for assembling automotive parts. The fixture includes a base with two symmetrically arranged movable plates on its top. A ring is mounted on each movable plate, and a clamping component is mounted on the ring. The clamping component includes a clamping assembly mounted on the ring, which is further equipped with a deformation component, an adjustment component, and a linkage pushing component. This welding fixture for assembling automotive parts achieves adaptive flexible clamping of automotive parts of different shapes, such as square and round, through a rotatable and adjustable first clamping plate combined with a hollow rubber plate structure. This overcomes the shortcomings of traditional fixtures, which can only adapt to a single shape of workpiece and require frequent replacement. The deformation component drives the first clamping plate to rotate, forming a V-shaped clamping structure. Combined with the linkage pushing component and the adjustment component, it automatically adapts to the workpiece shape, transforming line contact into surface contact, significantly increasing the force-bearing area and reducing local pressure.

The invention discloses a PCB image splicing method, a related device and a related system, and relates to the technical field of image processing, and the PCB image splicing method comprises the steps: extracting features of two to-be-spliced PCB images, and obtaining first feature maps corresponding to the two PCB images respectively; for each PCB image, dividing the first feature map corresponding to the PCB image into a plurality of areas; for each region, determining k regions most related to the region, and obtaining a feature-enhanced region corresponding to the region by performing attention calculation between the region and the k regions; enhancing the features corresponding to the plurality of regions and then integrating the regions to obtain a second feature map corresponding to the PCB image; determining a feature point matching pair set according to the second feature maps respectively corresponding to the two PCB images; and splicing the two PCB images according to the feature point matching pair set. Through the PCB image splicing method disclosed by the invention, the spliced image with relatively high splicing precision can be obtained.

The utility model discloses a kind of special-shaped fair-faced concrete structure pouring mould, specifically related to building construction technical field, including two first mould plate, second mould plate and third mould plate are provided between two first mould plate, supporting assembly is installed in the outside of first mould plate, second mould plate and third mould plate, positioning mechanism is installed in the inside of first mould plate, second mould plate and third mould plate;Supporting assembly includes fixed plate, fixed plate is installed in third mould plate side, two connecting blocks are fixedly connected in fixed plate side, support frame is fixedly connected in the top of fixed plate, first threaded rod is rotatably connected in the inside of support frame, second threaded rod is fixedly connected in the top of first threaded rod, limit block is threadedly connected in the outside of first threaded rod.The utility model can provide multiple-point fixing and constraint by setting supporting assembly and positioning mechanism, reduce the deformation of uneven stress during mould pouring, accurately butt joint, reduce the adjustment demand after splicing, so that construction personnel can quickly complete mould assembly, improve construction efficiency.

This invention relates to the field of image processing technology and discloses a method and apparatus for stitching microscope images. The method includes: acquiring an image to be stitched, which is an image obtained when photographing a target sample through a microscope, and the image to be stitched carries the stage position information corresponding to the time of image acquisition; inputting the image to be stitched into a pre-constructed encoder for encoding to obtain a one-to-one encoding result for the image to be stitched; and inputting the one-to-one encoding result and the stage position information into a pre-constructed generator to generate an image stitching result. The microscope image stitching method used in this invention is effective for microscope images that are large in size and have high feature similarity, and can quickly complete image stitching with high accuracy, effectively avoiding the problems of long calculation time and poor accuracy.

The application discloses a kind of full clear high-resolution circuit board image acquisition device and method.The device includes scanning motion mechanism, visual acquisition component installed at its end and control processing unit.The method is first according to circuit board size, field of view range and overlap rate planning scanning path;In mechanism moves to acquisition point position and utilizes continuous frame difference motion score determination stable, multiplex scanning motion mechanism is adjusted height in Z direction to determine target focusing height;Then focus point sequence image is collected near focusing height and is obtained local full clear image by depth of field synthesis;Finally, multiple local images are registered in overlapping area, globally optimized and corrected in brightness consistency, and generate whole board high-resolution image.The application can consider whole board imaging range and local detail resolution, improve the clarity of circuit board image acquisition, splicing accuracy and brightness consistency, suitable for circuit board detection, reverse analysis and quality traceability etc.

The utility model discloses a shell assembly and an air conditioner, and relates to the technical field of air conditioners, the shell assembly comprises a front shell and a rear shell which are spliced, the front shell at least comprises a front panel and a first bottom plate which is connected to the bottom side of the front panel in a bending mode; the rear shell at least comprises a rear panel and a second bottom plate connected to the bottom side of the rear panel in a bent mode, and the side edges, close to each other, of the first bottom plate and the second bottom plate are spliced. According to the technical scheme, the splicing efficiency and quality of the air conditioner shell can be improved.