34results about How to "Save stitching time" patented technology

The invention discloses a digital X-ray image splicing method and system. The digital X-ray image splicing method comprises steps that a first detector and a second detector are arranged in a radiation vision field scope of a same beamer, plane distances from a bulb focus of the beamer to the first detector and the second detector are identical, an overlapping region X is arranged between the first detector and the second detector with intervals; a digital X-ray shooting system starts for exposure for one time, a first DR image of a focus portion is generated on the first detector, and a second DR image of the focus portion is generated on the second detector; the overlapping region X is cut from the second DR image to acquire a third DR image; the first DR image and the third DR image are spliced to acquire a fourth DR image; gray fusion for the splicing region is carried out to eliminate a splicing seam to acquire an image O; the image O is displayed. The method is advantaged in that the spliced image can be acquired through one-time exposure, and thereby a radiation dose and the patient positioning time can be greatly reduced.

The invention discloses a gardening guardrail with a warning function. The gardening guardrail comprises guardrail bodies and transverse rods, the transverse rods are connected to the surfaces of theguardrail bodies through fixing bolts, and splicing blocks are welded to one ends of the transverse rods. The gardening guardrail is provided with the splicing blocks, splicing grooves and universal wheels, after the gardening guardrail is moved to the suitable position, the splicing blocks are inserted into the splicing grooves, and rotating bolts are inserted into first splicing bolt holes and second splicing bolt holes, so that the guardrail bodies can be connected, and the connected guardrail bodies can rotate along the rotating bolts; the guardrail bodies are short, thus the guardrail bodies can be placed into different shapes along the rotating bolts, and the degree of splicing freedom is high; and meanwhile, the problem that during moving, a traditional guardrail needs to be dismounted for reconnecting is solved through arrangement of the universal wheels, the user can push the universal wheels to move the gardening guardrail directly, repeated splicing is not needed, thus a large amount of splicing time is saved, and the working efficiency is improved.

The invention relates to a front maintenance device for an LED display cabinet, which includes an adsorption connection part corresponding to the LED display cabinet with odd rows of LED display screens, and an adsorption limit hanging part corresponding to the LED display cabinets with even rows of LED display screens. The mechanism part; the magnetic steel on the LED display box in the adsorption connection part is adsorbed and fixed by the magnetic steel adsorption plate on the vertical back frame; the step magnetic steel on the LED display box in the adsorption limit hanging mechanism part body clip and is fixed by the magnetic steel adhesive plate on the vertical back frame. During maintenance, you can directly pull out the odd-numbered LED display cabinets for maintenance; for the even-numbered LED display cabinets, first pull out the upper row of LED display cabinets horizontally, and then pull the LED display cabinets upwards and out. Repair it. The invention can improve the assembly efficiency of the display screen and is convenient for later maintenance.

The invention belongs to the technical field of medical imaging and provides a splicing method and system for digitized X-ray images. The method and system use template matching to achieve image alignment, which avoids the difficulties in feature point extraction, large amount of matching calculations, and easy matching failures that exist in the existing method of feature point detection and matching to achieve image alignment, and reduces digitalization. The splicing time of X-ray images improves the efficiency.

The invention discloses a panoramic imaging method based on a camera array and mainly aims to solve the problems that in the prior art, a splicing scene is small, and a "ghost shadow" exists. According to the scheme, (1) array cameras are used to acquire multiple images, two images are read, SIFT features of the two images are extracted respectively, feature matching search is performed, matching points of the two images are obtained and screened, an optimal transformation matrix is calculated, the images are transformed according to the optimal transformation matrix, and an improved optimal stitching line algorithm and a weighted average fusion algorithm are adopted to perform fusion splicing on the images; and (2) the step (1) is repeated till splicing of the upper image and the lower image is completed, the splicing image is used as a to-be-spliced image, splicing is continued after the to-be-spliced image is rotated counterclockwise by 90 degrees, and the result is rotated clockwise by 90 degrees to obtain a final splicing panoramic image. Through the method, the "ghost shadow" phenomenon is remarkably eliminated, and the obtained panoramic image is large in view field, high in resolution, more approximate to a real panorama and capable of being used for splicing of larger scene images in the horizontal direction and the vertical direction.

The invention discloses a steel bar connection component for construction of high-rise building bearing piles. The steel bar connection component comprises a connection cylinder and a snap ring. A nutis arranged on the connection cylinder. A sliding groove and a limiting groove communicated with the sliding groove are formed in the outer circumferential wall of the connection cylinder. An annulargroove is formed in the bottom of the sliding groove. A through hole is formed in the annular groove. The inner side wall of a press block is flush with the inner circumferential wall of the connection cylinder. The outer side wall of the press block is protruded on the outer end wall of the through hole and disposed in the annular groove. Threads are arranged at the bottom of the sliding groove.A press ring is arranged in the sliding groove in a sleeved mode. A protrusion is arranged on the inner circumferential wall of the press ring. The inner diameter of the protrusion increases gradually from one end, where the press ring is located, to the direction close to the connection cylinder along the axis of the connection cylinder. A contact block is arranged on the outer side wall of thepress block. One end of the connection cylinder is fixed to a rotating disc, and the other end of the connection cylinder clamps and fastens a main rib, so that the main rib is prevented from overturning in the connection cylinder to influence the welding effect between the main rib and transverse ribs, and the strength of a reinforcement cage is guaranteed.

The invention discloses a method for quickly stitching a panoramic image of a cube. The method herein includes the following steps: arranging a panoramic camera, simultaneously photographing a front space in the front, rear, left, right, above and below directions; calibrating the panoramic camera, acquiring a distortion correction parameter, further acquiring a linear transformation parameter and a cropping parameter of respective image; photographing scenes by using the panoramic camera, firstly conducting distortion correction on a camera lens by using the distortion parameter, then conducting rotation transformation and transverse transformation on each image by using the linear parameter; cropping the obtained 6 images in the centers in accordance with the cropping parameter, such that the 6 images are approximately the same in size and have a visual angle of 90 degrees in the horizontal direction and the vertical direction, and eventually, separately placing the squares which are obtained by cropping the 6 images at places where the panoramic image of a plane cube and the photographing camera correspond. According to the invention, the method only requires one time calibration process, can repeatedly use calibration parameters, simplifies the stitching process, accelerates the stitching speed, and saves great stitching time.