Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

122results about How to "Shorten registration time" patented technology

Gaofen-1 satellite data-based control point graphic element rapid-matching method

The invention belongs to the technical field of computer digital image processing and mode identification, and mainly relates to a remote sensing image rapid-registration method, in particular to a Gaofen-1 satellite data-based control point graphic element rapid-matching method. A basic flow comprises the following steps: performing centralized graphic element acquisition and enhancement processing on a Gaofen reference image to construct a graphic element database; performing regionalization and enhancement processing on an image to be corrected; acquiring a graphic element set of the same region by virtue of an RPC aided method; performing characteristic point extraction on the regionalized Gaofen image and the graphic element set of the same region, and acquiring a final matching result by virtue of methods of an RANSAC algorithm, polynomial error point iteration elimination and the like. According to the method, a Gaofen-1 satellite image can be registered independent of a massive-data reference image, and control point graphic elements of the corresponding regions of each Gaofen image can be found from the database to finish image registration to lay a good foundation for subsequent work in the future by continuously improving the control point graphic element database.
Owner:INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI

Regular three-dimensional color point cloud registration method based on multi-modal characteristics

The invention relates to the technical field of three-dimensional point cloud data processing and three-dimensional scene reconstruction. The invention discloses a regular three-dimensional color point cloud registration method based on multi-modal characteristics. The method comprises the following steps: (1) acquiring three-dimensional color point cloud data; (2) extracting image data; (3) extracting image feature points; (4) matching the image feature points; (5) extracting point cloud data; (6) extracting point cloud feature points; Compared with the prior art, the method has the advantages that firstly, the multi-modal characteristics are extracted by utilizing two types of modal information of the point cloud and the image, the multi-modal matching point pairs are constructed, and the multi-modal advantages of the three-dimensional color point cloud are fully exerted; And secondly, coarse registration is firstly carried out by utilizing the multi-mode matching point pairs, a relatively accurate matching initial value is given, and the multi-mode matching point pairs are applied to fine registration, so that not only is the registration time reduced, but also the registrationprecision is improved.
Owner:DALIAN UNIV OF TECH

Workpiece identification and positioning method and system based on depth camera and sorting system

The invention discloses a workpiece recognition and positioning method and system based on a depth camera. Workpiece models of different types, different postures and different completeness degrees are trained based on a support vector machine, and workpiece point clouds contained in real-time point cloud data and corresponding workpiece types and workpiece postures are recognized; and the identification result is taken as an initial value of point cloud registration, and fine registration is carried out by adopting an ICP algorithm and an NDT algorithm. According to the method, the point cloud data generated by the depth camera is used as a training sample to identify the workpiece, so that the robustness of identifying the workpiece is enhanced, and the estimation of the workpiece pose is realized; the identification result serves as the initial value of point cloud registration, so that the time of point cloud registration is effectively shortened, and the precision of point cloud registration is improved; besides, the invention further provides a sorting system, and based on the workpiece recognition and positioning method, the target workpiece is quickly recognized and positioned, so that the sorting action of the industrial robot tail end execution piece is precisely controlled.
Owner:NANJING INST OF TECH

Automatic registration algorithm for carrier terminal of low-voltage power distribution network

The invention relates to an automatic registration algorithm for a carrier terminal of a low-voltage power distribution network. The registration process of an entire power grid electric meter is completed in a wave form at multiple stages of adjacent node registration and non-adjacent node registration, adjacent and non-adjacent node supplementary registration and the like by taking each desk area concentrator as a center on the basis of registered domain carrier nodes, the proximity of power grid registration nodes is measured by using a signal quality parameter carried by a power line narrow-band carrier signal during desk area-crossing transmission, and the parameters are collected, calculated and compared by using a home domain determining algorithm, so that a home desk area of carrier nodes is accurately determined; and moreover, conflicts are handled and the priorities of messages are sequenced by adopting high-efficiency conflict avoidance based on a physical layer CSMA (Carrier Sense Multiple Access) technology and a multi-priority carrier packet receiving-transmitting control algorithm, so that communication nodes of all kinds in the desk area compete to use the same communication medium simultaneously. The automatic registration algorithm can be applied to power grid meter reading network electric meter registration of a plurality of kinds, and is particularly suitable for power line carrier remote meter reading network electric meter registration in complex communication environments.
Owner:RISECOMM MICROELECTRONICS SHENZHEN

Spinal surgery minimally invasive surgery navigation system

The invention relates to a spinal surgery minimally invasive surgery navigation system. The spinal surgery minimally invasive surgery navigation system comprises an imaging portion, a treatment portion, and a navigation portion, wherein an imaging portion scanner performs scaning and imaging around a treatment object; the treatment portion includes a mechanical arm, a connecting rod, a power supply unit, a clipper, a puncture channel into a lesion of a spinal column, and an ablation electrode needle. The puncture channel is a minimally invasive surgical working cannula having a diameter of about 2 mm. The system has the advantages of simple structure, low cost and easy operation, and the CT and MRI images are combined to integrally reconstruct the intervertebral disc tissues of the patient's bone structure, nerves, blood vessels and compression nerves as well as the ligament before the surgery, according to the position of protrusion of intervertebral disc and the nerve compression, areasonable surgical approach is designed before the surgery, and the intraoperative scanning bone image is registered, a robot arm is remotely controlled to accurate ablate the compression nerve tissue through real-time navigation, and the safety and stability are good. The system avoids damage to normal tissues caused by doctor fatigue during surgery and effectively reduces the damage of radiation to patients and doctors.
Owner:吕海 +2

Parallax image splicing method based on multiple pairs of binocular cameras

The invention discloses a parallax image splicing method based on multiple pairs of binocular cameras, and belongs to the field of image processing and computer vision. The method comprises the following steps: firstly, solving a position relationship between binocular cameras by using a calibration algorithm, and solving a homography matrix between images by using prior information; transforminga camera coordinate system of the depth images by using the internal parameters and the external object parameters of a camera; calculating an overlapping region ROI of the images by using a homography matrix between the images, establishing an energy model, and solving by using a graph cut algorithm; the graph cut algorithm is high in time complexity and depends on the number of nodes of a graph,the image is layered, solved layer by layer and iterated, and a local optimal solution approximate to a global optimal solution is solved; and finally, performing image coordinate system transformation on the depth images by utilizing the homography matrix, and synthesizing splicing seams to realize seamless panoramic depth image splicing. Requirements on memory and hardware are low; the invention is simple in procedure and easy to implement, and reduces the image registration time.
Owner:DALIAN UNIV OF TECH

Cross-platform command line configuration interface implementation method

The invention provides a cross-platform command line configuration interface implementation method. The cross-platform command line configuration interface implementation method comprises the following steps: 1 constructing a command line sub-agency in each managed task process, 2 constructing a command line agency server on a main processor, 3 building a communication channel between the command line proxy server and the command line sub-agency, and 4 analyzing a command line. A command line configuration interface implemented through the method supports cross-platform operation and can be applied to the situation that the managed task process is dispersed on different processors and different operation platforms. In the cross-platform command line configuration interface implementation method, the process of registering command nodes is formed by using a script program to automatically conduct analysis in the compiling stage, the development efficiency is improved, and the registering time in operation is shortened. According to the cross-platform command line configuration interface implementation method, united command line configuration channels are provided for a user, meanwhile, relative independence of the managed task process is kept, and the system robust performance is improved.
Owner:STATE GRID CORP OF CHINA +5

Method, device, communication terminal and readable storage medium for realizing cell searching

The invention provides a method for realizing cell searching, which comprises the following steps: a carrier frequency point information list is preset at a terminal; the carrier frequency point information list presets the frequency point information of each frequency band corresponding to different operators; the carrier frequency point information list presets the frequency point information ofeach frequency band corresponding to different operators. Acquiring operator information corresponding to a master card of the terminal;when the terminal performs frequency band scanning, obtaining the frequency point information to be determined scanned by the terminal; extracting frequency point information matching with the operator information from the operator frequency point information list; comparing the scanned frequency point information with the extracted frequency point information; according to the comparison result, the target frequency point information is determined from the frequency point information to be determined, and the cell search is carried out according to the target frequency point information. The invention also provides a device for realizing cell search, a communication terminal and a readable storage medium. The invention solves the technical problems that the prior communication terminal network registration time is long and the efficiency is low.
Owner:NUBIA TECHNOLOGY CO LTD

One-key application method for commercial tenant membership card on the basis of intelligent terminal

InactiveCN102521757AUnified Registration MechanismRealize registrationTransmissionMarketingComputer hardwareProxy server
The invention discloses a one-key application method for a commercial tenant membership card on the basis of an intelligent terminal, which mainly comprises the following steps: (1) a user configures a networking mobile intelligent terminal, a commercial tenant configures a networking membership card server, a platform provider provides a membership card registering proxy server independent from the commercial tenant, and the mobile intelligent terminal is communicated with the membership card server by the membership card registering proxy server; (2) the user finishes registering the membership card for the first time with the membership card registering proxy server and the membership card server of the commercial tenant by the held mobile intelligent terminal, and the membership card registering proxy server stores the registering information; and (3) when the user registers the membership card again, the commercial tenant is directly selected by the mobile intelligent terminal, and a registering application is sent to the membership card registering proxy server. According to the one-key application method for the commercial tenant membership card on the basis of the intelligent terminal, the user does not to repeatedly fill in personal data when the user subsequently registers the membership card each time, and the purpose of applying and registering by one key is truly realized, which is greatly convenient for users.
Owner:成都美璞科技有限公司

Registration method and system of neurosurgery navigation

ActiveCN104463832AAvoid the defect that it is easy to fall into local optimumAvoid the tediousness of manually picking pointsImage enhancementImage analysisHead surfaceNeurosurgical Procedure
The invention belongs to the medicine field, and provides a registration method of neurosurgery navigation. The method includes the steps that CT/MR scanning is performed on the head of a patient to obtain a pre-operation image, and the pre-operation image is divided; according to a divided pre-operation image, two central lines of the surface of the head are extracted; the surface of the divided pre-operation image is extracted and simplified; in an operation, a probe lineation point getting mode is utilized for obtaining and simplifying the two center lines of the surface of the head of the patient; through a Gaussian mixing model method is used for registering a pre-operation point set with a point set in the operation; in the operation, a probe is used for performing irregular lineation point getting and simplification on the head of the patient; on the basis of initial registration, through a preset algorithm, a point set of the forehead in the operation is registered with the pre-operation surface, so that final spatial alternation parameters are obtained. The invention further provides a registration system of neurosurgery navigation. The registration method and system of the neurosurgery navigation can effectively improve registration precision.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Parallax image splicing and visualization method based on multiple pairs of binocular cameras

The invention discloses a parallax image splicing and visualization method based on multiple pairs of binocular cameras, and belongs to the field of image processing and computer vision. The method comprises the following steps: firstly, solving a position relationship between binocular cameras by using a calibration algorithm, and solving a homography matrix between images by using prior information; transforming a camera coordinate system of the depth image by using the internal parameters and the external object parameters of the camera; calculating an overlapping region ROI of the images by using a homography matrix between the images, establishing an energy model, and performing solving by using a graph cut algorithm. The graph cut algorithm is high in time complexity and depends on the number of nodes of a graph, the image is layered, solved layer by layer and iterated, and a local optimal solution approximate to a global optimal solution is solved; image coordinate system transformation is performed on the depth images by using the homography matrix, and splicing seams are synthesized to realize seamless panoramic depth image splicing; and finally, the depth information of the parallax image is superposed on the visible light image. According to the invention, large-visual-field-angle panoramic parallax image display is realized, the algorithm of the invention is real-time, and large-parallax seamless panoramic parallax image splicing and visualization are realized.
Owner:DALIAN UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products