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13results about How to "Good splicing effect" patented technology

Real-time detection method for safe distance of power line

The invention relates to the technical field of power line measurement, in particular to a power line safety distance real-time detection method, which comprises the following steps: when a suspension arm of a power inspection crane moves, a binocular camera acquires image data in real time, and a laser radar acquires point cloud data in real time; the image data comprises a first image and a second image, matching and splicing the first image and the second image, and preprocessing the spliced image to obtain a target image; processing the point cloud data and performing target identification to obtain power line information, and extracting a minimum bounding box of a power line based on an OBB algorithm; jointly calibrating the binocular camera and the laser radar, mapping eight angular points of the minimum bounding box to a target image, and forming eight points on the target image; connecting the eight points according to the distribution of the cubic edges to obtain a surrounding frame of the power line; the distance between the power line and the suspension arm is judged, the distance is displayed at the surrounding frame of the power line, if the distance is smaller than the safety distance, alarm information is output, and the safety distance detection accuracy of the power line is high.
Owner:CHANGZHOU HUADA KEJIE OPTO ELECTRO INSTR

Image splicing method, image splicing device, terminal and computer storage medium

The invention provides an image splicing method, an image splicing device, a terminal and a computer storage medium, and the method comprises the steps: obtaining all to-be-spliced images, obtaining the actual displacement between two adjacent to-be-spliced images based on a spatial position relation, and obtaining the actual displacement between the two adjacent to-be-spliced images; according to the method, the two to-be-spliced images are subjected to actual displacement, the overlapping area corresponding to the two to-be-spliced images is obtained based on the actual displacement, and the to-be-spliced images are spliced and fused based on the overlapping area to obtain the final spliced image, so that the calculation complexity in the image splicing process is simplified, and the image quality of the spliced image is improved.
Owner:IRAY TECHNOLOGY CO LTD

Narrow-frame spliced screen module

The utility model relates to the technical field of spliced screens, in particular to a narrow-frame spliced screen module, which is characterized in that a spliced screen middle frame is arranged on the inner side of a spliced screen back shell, OC glass is arranged at the front end of the front side of the spliced screen back shell, an upper diffusion sheet is arranged below the OC glass, a prismatic lens is arranged below the upper diffusion sheet, and the prismatic lens is arranged below the lower diffusion sheet. A lower diffusion sheet is arranged below the prismatic lens, a DP diffusion plate is arranged below the lower diffusion sheet, and the DP diffusion plate is installed on the spliced screen middle frame; the narrow-frame spliced screen module adopts a narrow-frame design, an upper frame and a left frame are wide sides, a splicing seam is 1.8 mm, a lower frame and a right frame are narrow sides, and a splicing seam is 1.1 mm. Compared with the prior art, the narrow-frame spliced screen module has smaller splicing seams and a better splicing effect, so that higher use requirements of users are met, and the use experience of the users is improved.
Owner:SHENZHEN NOVVISION TECH CO LTD

A method and apparatus for stitching back-illuminated images from a stator annular aperture.

This invention relates to a method for stitching backlit images of a stator annular aperture, comprising: focusing an industrial camera on the stator annular aperture; determining the required number of local backlit images and planning the acquisition position for each local backlit image; acquiring each local backlit image using the industrial camera according to the planned acquisition position; determining the corresponding image stitching matrix according to the selected image stitching method; and generating a panoramic backlit image of the stator annular aperture based on the image stitching matrix. This invention also relates to a stitching device for backlit images of a stator annular aperture. The purpose of this method and device for stitching backlit images of a stator annular aperture is to solve the problem of difficulty in stitching backlit images of apertures.
Owner:CHINA PRECISION ENG INST FOR AIRCRAFT IND AVIC

A method for stitching and fusing based on segmented MRI images of a digital human body

The application discloses a kind of based on digital human segmentation MRI image splicing and fusion method, comprising: the MRI data of different parts of human body obtained by nuclear magnetic resonance scanning is first registered after being preprocessed such as noise reduction, using the resolution, orientation etc. of reference image and floating image after registration, further realize the transformation of floating image between image coordinate system and world coordinate system, simultaneously based on trilinear interpolation interpolation and operation in the above spatial transformation process.The application realizes the seamless fusion of the three-dimensional image to be spliced in high and low frequency direction, effectively utilizes image high and low frequency component information.The application not only simplifies the two-stage image splicing and fusion process of traditional splicing method, i.e.fusing overlapping area first and then splicing non-overlapping area, and greatly improves the overall splicing and fusion accuracy of segmented MRI data.
Owner:SOUTHEAST UNIV

A method and device for aligning hyperspectral images of a UAV, a terminal and a storage medium

The application provides a UAV hyperspectral image alignment method and device, a terminal and a storage medium. The method comprises the following steps: acquiring a first image of a target aerial photography area photographed by a UAV when flying along a first flight strip; acquiring a high-resolution satellite image of the target aerial photography area greater than the range of the first flight strip at the same photographing time as the first image, and acquiring a second image according to the high-resolution satellite image; taking the same position points of the overlapping parts between two adjacent hyperspectral images in the first image as first control points; taking the same position points of the overlapping parts between each hyperspectral image in the first image and a simulated hyperspectral image in the second image as second control points; for each hyperspectral image in the first image, aligning the first control points of the hyperspectral image with the first control points of a second hyperspectral image, and aligning the second control points of the hyperspectral image with the second control points of a target simulated hyperspectral image. The application can improve the accuracy and stability of UAV hyperspectral image splicing.
Owner:HEBEI SAILHERO ENVIRONMENTAL PROTECTION HIGH TECH

Material receiving equipment of pressing machine for shaft fork forging

The utility model relates to the technical field of part machining equipment, and discloses a material receiving device of a press for shaft fork forging, which comprises a workbench, a hydraulic machine is fixedly connected inside a hydraulic box, a material receiving long box is fixedly connected on one side of the outside of the workbench, a motor is fixedly connected outside a motor platform, and a material receiving long box is fixedly connected on the other side of the motor platform. A conveying crawler belt is arranged outside the square groove, and a material receiving square basket is arranged in the water pool box. The utility model has the following advantages and effects: after the shaft fork is stamped and forged in the die, the hydraulic machine, the cylinder machine and the motor are started at the same time, the output end of the hydraulic machine drives half of the die on the left half side of the splicing seam to do contraction motion to open the die, and the output end of the cylinder machine drives the jacking fork to jack the forged shaft fork to the upper surface of the conveying track; and the shaft forks falling on the upper surface are conveyed into the water pool box through the conveying crawler belt in circulating transmission, then the shaft forks fall into the material receiving square basket, and the effect that the material receiving effect on the forged shaft forks is good is achieved through the operation.
Owner:HENAN TONGXIN TRANSMISSION CO LTD

Multi-view monitoring video stitching method and system based on energy diagram estimation

The invention discloses a multi-view monitoring video stitching method and system based on energy diagram estimation. The method comprises the following steps: acquiring video data and camera positions of a plurality of monitoring cameras of a road section to be stitched; extracting video frame features of each camera video, dividing pixels in video frames into background pixels or foreground pixels, and matching the background pixels; performing visual depth layering on the video frame by using a multi-layer RANSAC (Random Sample Consensus) method; local matching, layer-by-layer splicing and spliced layer fusion are carried out on video frames which are obtained by two cameras at different positions at the same moment and have overlapped areas layer by layer; and splicing the video frames shot by all the cameras to complete the splicing of the multi-view monitoring video to obtain a panoramic video. The method has the advantages of being small in calculation amount, high in calculation speed and good in splicing effect, the balance of algorithm efficiency and splicing precision is kept, and the method high in efficiency and robustness is provided for the field of surveillance video splicing.
Owner:WUHAN UNIV

Power distribution cabinet base with buffering effect

The utility model discloses a power distribution cabinet base with a buffering effect, and relates to the technical field of power distribution cabinet bases, the power distribution cabinet base comprises a base and a strip-shaped short hole arranged on the outer surface of the base in a penetrating manner, the inner surface of the base is fixedly connected with a fixed seat through a screw, and a mounting frame is arranged above the fixed seat. A plurality of mounting holes are formed in the outer surface of the mounting frame in a penetrating mode, and buffering mechanisms are arranged inside and outside the fixing base. Compared with an existing common power distribution cabinet base, the power distribution cabinet base with the buffering effect has the advantages that the fixing bases are fixedly connected to the strip-shaped short holes with the appropriate height through screws, so that the height of a cabinet body of a power distribution cabinet is changed, after the cabinet body is installed, when the bottom of the cabinet body is impacted when the cabinet body is transferred, the damping telescopic rods and the buffering springs can buffer the impact force, and the service life of the cabinet body is prolonged. And meanwhile, the limiting rods can slide in the limiting holes, the stability of the buffering mechanism is improved, the splicing effect is good through the design, dismounting and mounting are convenient, and meanwhile the good buffering effect is achieved.
Owner:HANTANG POWER DISTRIBUTION TECH (GUANGDONG) CO LTD

High-strength large-diameter flexible waterproof sleeve convenient to splice

The utility model discloses a high-strength large-caliber flexible waterproof casing pipe convenient to splice, which comprises a high-strength large-caliber flexible waterproof casing pipe body, the outer wall of the high-strength large-caliber flexible waterproof casing pipe body is fixedly connected with a mounting ring, the outer wall of the mounting ring is fixedly connected with a connecting ring, and the outer wall of the connecting ring is fixedly connected with a sealing ring. A round hole is formed in the inner wall of the connecting ring, and the outer wall of the round hole is in threaded connection with a connecting screw. According to the high-strength large-diameter flexible waterproof sleeve convenient to splice, the high-strength large-diameter flexible waterproof sleeve convenient to splice is convenient to splice and good in splicing effect through mutual cooperative use of a high-strength large-diameter flexible waterproof sleeve body, a mounting ring, a connecting ring, a round hole, a connecting screw, a supporting ring, a sleeve connecting body and a waterproof pad at present; the use length of the sleeve can be conveniently increased according to the use requirements of a user, the practicability of the sleeve is enhanced, the user screws the connecting screws through the round holes, and the connecting ring and the supporting ring can be conveniently spliced and fixed.
Owner:JIANGYIN CHENGYUAN WATER SUPPLY & DRAINAGE EQUIP CO LTD

A low-temperature kiln-changed glaze and preparation method thereof, artistic ceramics and preparation method thereof

The present invention provides a low-temperature kiln-changed glaze and a preparation method thereof, and an artistic ceramic and a preparation method thereof. The raw materials of the low-temperature kiln-changed glaze include, by mass percentage, 56-75% lead silicate, 1-9% quartz, 3-6% calcite, 0-5% barium carbonate, 8-16% titanium dioxide, 10-18% calcined zinc oxide, 0-5% strontium carbonate, and 0-6% zirconium silicate. The present invention can reduce the overall temperature of the kiln-changed glaze by adding lead silicate to the raw materials of the low-temperature kiln-changed glaze, so as to facilitate the crystallization effect at a lower temperature, and the lead silicate has a wider melting temperature range; at the same time, the calcined zinc oxide and titanium dioxide in the raw materials will produce crystallization effects in different forms, so that the kiln-changed effect is more abundant, and the problems of high firing temperature, long firing time and fewer types of kiln-changed effects of the kiln-changed glaze in the prior art are solved.
Owner:DONGGUAN CITY WONDERFUL CERAMICS IND PARK +2