13results about How to "Reduce deletion" patented technology

The utility model belongs to the technical field of ink-jet printing, and particularly relates to high-speed and high-precision ink-jet printing equipment for two-dimensional code labels, which comprises a printing table. A printing machine is mounted at the top of the printing table; an unwinding roller is mounted at the end part of the printing table; two guide rollers are installed at the end, away from the unwinding roller, of the printing table. A drying box is fixedly connected to the middle of the printing machine. Two air boxes are fixedly connected to the end part of the drying box; a fan is mounted in the middle of the air bellow; two drainage plates are fixedly connected to the middle of the drying box; the two drainage plates are oppositely arranged in a staggered manner; the drainage plate is arranged in an L shape; a heating wire is mounted in the middle of the drying box; the heating wire is arranged in an arch shape; the heating wire is arranged between the two drainage plates; through the structure, ink drops on the surface of the printed label can be rapidly shrunk and shaped, the situation that the black and white module boundary of the two-dimensional code is fuzzy due to burrs formed after the ink drops to the surface of the label and diffuses to the periphery is reduced, and the two-dimensional code pattern is kept complete.

This invention belongs to the field of image processing technology, specifically relating to an automatic measurement method and system for material quantity in a silo based on machine vision. The method includes: acquiring depth and infrared intensity images of the silo; preprocessing these images to generate a valid binary mask; determining a geometric confidence factor based on the deviation between the depth gradient and the natural angle of repose of the material being measured, as well as local curvature; and determining an environmental confidence factor by combining infrared intensity and measurement distance; repairing invalid pixels using anisotropic diffusion; predicting depth values ​​based on first-order Taylor expansion and multi-dimensional confidence weighting; converting the repaired depth image into physical height and projected area; and obtaining the total volume of material in the silo through infinitesimal element accumulation. This invention solves the problem of data loss in complex environments and improves measurement accuracy.

The application discloses a kind of ship navigation intelligent obstacle avoidance methods based on multi-modal perception, it is related to ship intelligent navigation technical field, including the following steps: acquisition multi-modal perception data and standardization, generate ship navigation perception dataset;Arrange perception node, generate ship multi-node perception layout;Establish ship circumferential perception coordinates and generate ship circumferential layered covering relationship;Divide far distance early warning area, near distance identification area and berthing monitoring area, generate ship zoned perception state;Process far distance radar data and near distance millimeter wave radar data, generate radar target perception result;Process visual image data, generate visual target perception result and ship look-around panoramic image;Match radar target perception result and visual target perception result, combined with ship body attitude change is directed to compensation and collision risk judgment, generate ship navigation intelligent obstacle avoidance result.The application has the advantages of wide perception range, target fusion accuracy and obstacle avoidance judgment stability.

The application relates to the technical field of emergency management, and discloses a multi-information fusion disaster accident emergency knowledge pushing method, which comprises the following steps: collecting multiple types of disaster related data and preprocessing, and constructing a unified emergency information dataset; inputting the dataset into a pre-constructed time-space-cause three-in-one state transition model to obtain disaster accident scenario evolution data; generating a unified scenario feature vector through a three-level fusion architecture; generating a candidate knowledge set through a thinking chain reasoning combined with an emergency knowledge graph and a pre-trained emergency large model; sorting the candidate knowledge in combination with a disaster scenario, a rescue task and a user role; and performing multi-terminal directional pushing. The application improves the scenario adaptability, multi-source information fusion efficiency and reasoning accuracy of emergency knowledge, realizes personalized pushing of the emergency knowledge, and provides scientific and efficient support for emergency rescue decision-making.

The application provides a landslide partition automatic processing method based on InSAR technology, belongs to the technical field of landslide deformation remote sensing monitoring, and aims at the problems that the existing single InSAR method is difficult to adapt to multiple ground objects in a complex landslide area, and is prone to uneven monitoring point density, missing deformation in a low-coherence area and inconsistent partition results. Synthetic aperture radar images, orbit ephemeris, digital elevation models, land cover vector data and landslide geological survey data are acquired, and the coherence quality index, the intensity quality index, the radar visibility index and the spatiotemporal baseline suitability are calculated. The land cover type and the landslide geological partition are superimposed to demarcate a monitoring subarea, the processing adaptation index is formed in combination with the scatterer distribution characteristics, and the InSAR processing strategy is matched. The partition timing deformation inversion is carried out based on a unified reference datum, and the timing deformation monitoring result of the whole landslide area is obtained after processing. The application improves the integrity, consistency and automation level of deformation monitoring in a complex landslide area.

This invention relates to the field of satellite mapping, and more particularly to a method, apparatus, equipment, and storage medium for building mapping based on BeiDou communication. The method includes the following steps: continuously imaging a target building area using BeiDou satellites to construct an optimized image sequence; performing building height inversion on the optimized image sequence to obtain height distribution information; identifying building structural feature points based on the optimized image sequence to obtain the three-dimensional spatial coordinates of multiple feature points; modeling the outer contour based on the three-dimensional spatial coordinates, and correcting for height deviations based on the height distribution information to output a three-dimensional outer contour model; calculating the true latitude and longitude coordinates of the three-dimensional outer contour model, performing geographic coordinate annotation, and outputting a three-dimensional mapping model. This invention achieves accurate positioning and high-fidelity mapping modeling of buildings.

The application relates to the technical field of data governance, in particular to a distributed data governance system based on a new type of scheduling algorithm of a pipeline. The system comprises a basic framework unit, a pipeline scheduling unit, a unified service unit and a data management unit; the basic framework unit is used for managing a network framework supporting system operation; the pipeline scheduling unit is used for managing scheduling of an inter-process communication pipeline; the unified service unit is used for unified standardized management of data; and the data management unit is used for comprehensive governance of data. The application can realize distributed data governance, improve the fusion degree of the system and enhance the extensibility of the system; can improve the transmission effect of a data exchange process, improve the integrity and security of data; through centralized scheduling management of data, the framework is convenient for node expansion of the system, can support high-concurrency access of a large user, and can realize visual management of a data full life cycle, shorten a data management cycle and reduce cost waste.

The invention discloses a human body activity and form measurement method based on multi-RGB camera three-dimensional dynamic capture, and relates to the technical field of image processing, and the method comprises the steps: obtaining a multi-view image sequence of a target object in a human-computer interaction process; based on the multi-view image sequence, determining a basic body surface of the target object, and determining an inward shrinkage equidistant surface obtained after the basic body surface shrinks inward for a preset distance; determining a three-dimensional point cloud model of the target object based on the basic body surface, the indentation equidistant surface and the multi-view image sequence; grid reconstruction is carried out on the three-dimensional point cloud model, texture mapping is carried out on the three-dimensional point cloud model after grid reconstruction, a three-dimensional point cloud model after texture mapping is obtained, and a three-dimensional dynamic model of the target object is determined according to the three-dimensional point cloud model after texture mapping corresponding to each visual angle image in the multi-visual angle image sequence; and carrying out activity measurement and form measurement on the target object based on the three-dimensional dynamic model.

The application discloses a kind of packing box surface flatness intelligent detection method, it is related to industrial vision detection technical field, including response detection trigger instruction, obtain the three-dimensional profile scanning data stream of the packaging box to be detected, extract high-density sampling point set and identify discrete hollow region, perform boundary tracking operation to generate closed boundary curve in this region, according to the length and area numerical value of curve periphery Calculate the defect degree index;Obtain the density distribution map of packaging box material, extract the density abnormal block overlapping with discrete hollow region, fuse the defect degree index and density abnormal block to generate intermediate state evaluation parameter set, analyze parameter set to obtain surface fluctuation deviation and output detection result.The present application can realize the joint evaluation of geometric defect and material density, accurately quantify surface defect degree, improve the accuracy and integrity of packing box surface flatness detection.

This application provides a method for enzymatic DNA or RNA synthesis, a composite vector, and a conjugate. The conjugate comprises a nucleotidase, a nucleotide monomer, and a cleavable linker connecting the nucleotidase and the nucleotide monomer. The nucleotidase comprises a terminal deoxynucleotidase or a terminal ribonucleotidase. The innovative structure of this conjugate fundamentally changes the traditional mode of enzymatic reactions. In the enzymatic extension step, the TdT enzyme can only participate in the reaction carrying its pre-conjugated nucleotide monomer, thus physically ensuring that only one base is added at a time. After the reaction is complete, the TdT enzyme is specifically cleaved by a cleavage agent, exposing a new 3'-OH terminus, preparing for precise addition in the next cycle.

This invention provides a multi-channel analog-to-digital signal acquisition system, comprising: a channel selection module for selecting and switching multiple analog signals and digital signals using an analog switch chip, and inputting the selected signal into a multi-channel analog-to-digital converter for sampling; an analog-to-digital conversion module for configuring key parameters of the multi-channel analog-to-digital converter and designing the circuit; a processing and control module for performing data processing and communication tasks using a microcontroller and configuring a real-time operating system for task scheduling; a communication module for real-time data transmission and display with a host computer using a standardized interface and selecting an appropriate communication protocol for communication and testing; and a power management module for configuring a highly integrated power management chip, designing low-power strategies, and performing real-time monitoring and management. This invention significantly improves the quality, efficiency, and accuracy of the acquired data, enhances system performance and compatibility, and promotes the intelligent development of the system.

The utility model discloses a continuous type spray drying device for additive based on prelithiation lithium battery precursor production relates to additive drying technical field, and the utility model discloses a drying tank, and the upper surface of drying tank has the movable contact of sealing plate, and the lower surface of sealing plate is rotatoryly installed and is equipped with the rotating ring of two drainage holes, and rotating ring bottom rotatoryly sets up in the inside of drying tank, and the inner wall of rotating ring is fixedly installed with two collection box, and the drainage of collection box in and the drainage hole of rotating ring are linked together, and the bottom of two collection box is detachably installed with the scraping frame, and the side of two scraping frames away from each other and the inner wall movable contact of drying tank, the utility model discloses in scraping frame to the additive that adheres on the inner wall of drying tank is scraped, reduces the loss of additive, and then through setting installs screw rod and installs the installation and dismounting between collection box and scraping frame are realized, and the scraping frame is replaced conveniently.

The invention provides a method and system for automatically configuring a process data object and a computer readable storage medium. The method comprises the steps of judging whether a function of an automatic configuration process data object is opened or not; when it is judged that the function of automatically configuring the process data object is opened, whether the current process data object is complete or not is judged; and when the current process data object is judged to be incomplete, configuring a new process data object. According to the method provided by the invention, automatic PDO configuration can be realized, the difficulty and time of manual configuration are reduced, the probability of PDO missing and / or errors caused by manual configuration is reduced, and the accuracy and reliability of PDO configuration are improved.