6results about How to "Complete outline" patented technology

The invention discloses an NIR-II video lymphatic vessel segmentation method based on Frangi and multi-frame accumulation, and belongs to the field of computer vision, and the method comprises the following steps: converting a video into a frame image; preprocessing the frame image by using a contrast limited adaptive histogram equalization algorithm and neighborhood mean filtering; performing top-hat transformation on the preprocessed image to obtain a rough foreground image; taking a mean value of non-zero pixels as a threshold value, and performing adaptive segmentation frame by frame; accumulating the output binary image, and enhancing a tubular structure in the image by using Frangi filtering; and performing certain morphological processing on the image after Frangi filtering to obtain a final lymphatic vessel segmentation result. According to the NIR-II video lymphatic vessel segmentation method based on Frangi and multi-frame accumulation, the detection capability of low-contrast lymphatic vessels with tiny disturbance in the video is improved.

The utility model discloses an on-line detection system for a brake pad and a brake disc of a motor train unit braking system. The on-line detection system comprises a control box, and a brake pad image acquisition device, a wheel position sensor, an incoming line wheel sensor and an off-line wheel sensor which are respectively connected with the control box, the brake pad image acquisition device is linearly arranged in the direction perpendicular to the track; the brake pad image collecting device comprises a plurality of collecting boxes, the collecting boxes, the brake pads and the brake disc form a 3D triangular relation, and images of the brake pads and the brake disc are comprehensively collected in real time. According to the utility model, the problem of full-coverage detection universality of brake pads and brake discs of brake systems on different motor train units with different positions, different numbers, different types and different specifications can be solved; and meanwhile, the problems that the acquired images are missing, unclear, incomplete and the like, which are not beneficial to complete coverage, complete contour and high-definition image detection of the brake disc and the brake pad of the brake system are solved.

The utility model relates to blow mould technology field, and disclose a mould for blowing, the mould for blowing, including bottom plate, fixed mounting has mounting bracket on the bottom plate, be provided with mould closing subassembly on the mounting bracket, the mould closing subassembly includes hydraulic device, fixed mounting has hydraulic device on the mounting bracket, hydraulic device piston end fixed mounting has one end of slide rod, the other end fixed mounting has limit cylinder of slide rod. The mould for blowing, in order to make the device prolongs mould service life, through being provided with mould closing subassembly, the component cooperation hydraulic device promotes slide rod and drives installation box to move, makes the forming groove of two groups of half cylinders with blow molding groove accurate butt joint, ensures that the plastic part contour is complete, and the limit rod is through the limit plate sliding, cooperates limit round board and restricts the mould closing stroke, avoids half cylinder rigid collision, spring assists the thrust when mould closing, provides compression energy storage when opening mould, shortens the opening mould time.

The present invention relates to the field of three-dimensional space visual positioning, and discloses a three-dimensional space visual positioning method, system and device based on an incomplete mushroom image, comprising an image acquisition module, a distance measurement module and a main control module; the image acquisition module is used to acquire image information of mushrooms to be detected; the distance measurement module is used to measure the vertical distance between the image acquisition module and the mushrooms to be detected; the main control module is used to pre-process the acquired image, and then identify and locate the mushrooms in the pre-processed image, and then perform integrity detection on the identified mushrooms. During identification and positioning, the center points of the mushrooms in the image are determined according to the image integrity, and finally the three-dimensional coordinates of the mushrooms are generated. Compared with the prior art, the method proposed by the present invention can realize the positioning of mushrooms with incomplete image acquisition and further improve the positioning accuracy of mushrooms.

The invention belongs to the field of colloidal gold detection, and particularly discloses a digital identification method suitable for colloidal gold detection card detection, which comprises the following specific steps: S1, image acquisition; s2, image preprocessing; s3, area detection; s4, feature extraction; s5, data comparison and analysis; s6, integrating the system; a complete application program is integrated, a mobile phone or an iPad is utilized to shoot a colloidal gold detection card, then an image is uploaded to a cloud server to be processed, one or more areas containing C and T lines of the colloidal gold detection card are identified, the length, width and color values of the C and T lines are read and calculated, then the extracted C and T line values are compared with a standard dictionary, and the detection result of the colloidal gold detection card is obtained. The content of the target object in the sample is judged, data is uploaded to a food safety big data platform, dependence on professional detection instruments is not needed, operation is easy, food enterprises, farmer markets, food workshops and families can conveniently conduct self-inspection screening on food, and food safety is protected.

The application relates to the field of die-casting molds, in particular to a three-plate two-stage runner die-casting mold and method, which comprises a static mold plate, a middle plate is movably arranged on the left side of the static mold plate, a movable mold plate is arranged on the left side of the middle plate and matched with the middle plate, a runner groove is arranged on the right side of the middle plate, and a runner sleeve matched with the runner groove is fixedly connected to the middle part of the static mold plate. The three-plate two-stage runner die-casting mold is used in cooperation with a material handle limiting mechanism and an adjusting mechanism, in the mold opening process, a small-angle deflection of a limiting ring and a positioning rod is generated through cooperation of a driving lever and a wedge-shaped plate inclined surface, the material handle is subjected to a circumferential torsion force while bearing axial stretching, the runner neck is neatly and quickly disconnected, tearing of the runner, deformation or strain of the product caused by simple axial pulling is avoided, the product breakage is smooth and the contour is complete, and therefore the appearance quality and the structural strength of the product are effectively improved.