147results about How to "Method implementation" patented technology

The invention provides a robot positioning and mapping method, a computer device and a computer readable storage medium. The method comprises the following steps of pre-integrating information acquired by an inertial measurement unit by utilizing information acquired by a camera device and information acquired by the inertial measurement unit; using the front end module to carry out motion tracking by utilizing pre-integrated relative pose information, and judge whether a visual tracking loss condition occurs or not, if the visual tracking loss condition does not occur, carrying out the visualand inertial measurement fusion operation, and updating the state information of an inertial measurement unit; and when a new key frame is generated, using the rear end module to acquire the pose information of the key frame acquired by the front end module and the corresponding relation information of the feature points, create and optimize a factor graph, and update a rear end map by using theacquired pose information and the depth information of the 3D points. The invention also provides a computer device for realizing the method and a computer readable storage medium. According to the invention, the positioning and mapping of the robot can be realized efficiently and accurately.

A system for record keeping in scientific, industrial, and commercial applications where records are used to document inventions and discoveries, such as in a research laboratory is disclosed and described herein. Such systems are referred to in the applicable field as Electronic Laboratory Notebooks (ELNs). Also disclosed is an improvement to ELNs such that a facilitated data integration step is performed in order to create connections and relationships between objects of information. The data integration step allows the researcher to bring together information from various record keeping systems, to include ambient, real-time data provided by voice. The integration is further facilitated by one of more of the following: graphical display, smart pen, data object manipulation; images from lab notebook pages, and a voice recognition capability.

In a robot apparatus and a control method therefor, firstly, partial or whole state space of a behavioral model is expanded or reduced, secondly, transition to a predetermined node in the behavioral model is described as transition to a virtual node and a node group to be allotted to the virtual node is sequentially changed, thirdly, the number of emotions and/or desires which are used for generating actions is gradually increased, and fourthly, an environment is evaluated to update each sensitivity corresponding to each emotion and desire, on the basis of the evaluated. In the robot apparatus and the character discriminating method for the robot apparatus, a pet robot is provided with: detecting means for detecting outputs from other pet robots; character discriminating means for discriminating characters of the pet robots on the basis of the result detected by the detecting means; and character changing means for changing the character on the basis of the result judged by the character discriminating means.

The invention discloses a method for monitoring novel words on Internet and belongs to the field of Internet information mining. The method comprises the following steps: acquiring all articles of thesame day on home pages and subpages of all subordinates directed to by all internal links of the home pages according to a target information source collection; subjecting the articles to word segmentation, assigning weight for each word in each article, using top a words having the largest weight as alternative novel words of the article, and using the number of a plurality of articles as the freq of an alternative novel word on the same day when the word is an alternative novel word of the articles at the same time; calculating the novelty coefficients n of the alternative words according to the records of the freq of the alternative novel words in b days; and determining novelties theta according to the novelty coefficients and determining an alternative novel word as a novel word of the same day when the novelty of the word is greater than a novelty threshold thetat. The method of the invention can effectively find the novel word of the same day and direct the practice for findingand monitoring Internet information.

The invention discloses orthogonal light path-based equipment for online monitoring the concentration of organic carbon/elemental carbon in PM (Particulate Matter) 2.5. The orthogonal light path-based equipment comprises an on-line sampling unit, a sample processing and detecting unit and an orthogonal light path system, and is characterized in that the sampling unit comprises a vacuum pump, a mass flow controller, a quartz filtering membrane, a ball valve, a volatilizable organic matter denuder, and a PM2.5 cutting head; the sample processing and detecting unit comprises a digestion furnace, an oxidation furnace, a gas path control network, a carrier gas source and a non-deviation infrared detector; the orthogonal light path system comprises a laser, a light beam splitter, a reference light path photoelectric detection unit, a quartz filtering membrane transmission light path photoelectric detection unit and a reflection light path photoelectric detection unit; and three gases of high-purity He, 5 percent O2/He and 5 percent CH4/He are required to be controlled by a gas path valve network by a singlechip. The orthogonal light path-based equipment is capable of simultaneously detecting light intensity values of incident laser, sampled reflected light and transmitted light of the quartz filtering membrane, and relatively accurately achieving the segmentation of the organic carbon and the elemental carbon.

The invention discloses a target robust detection and defect identification method for the nuts and pins of a power grid. The method comprises the following steps of acquiring and screening a target picture set through an image acquisition module; labeling and storing the target picture set; constructing a deep learning model to form a training model; and detecting and identifying an augmented picture according to the training model. The invention further provides a target robust detection and defect recognition device for the nuts and pins of the power grid. At the training stage of a detection model, a deep neural network model training technology when the strabismus nut and pin samples are few is studied, and the automatic detection and defect identification of the robust strabismus with insufficient and unbalanced nut and pin samples are realized by utilizing a strabismus training data augmentation method based on perspective transformation.

The invention relates to the technical field of cabin section butt joint, and discloses a cabin section pose measurement and alignment system, a control method and application. The surface of a cabin section is scanned through a linear scanning method; a comprehensive method of axis fitting and bus fitting is used, and the advantages of high Y-axis measurement accuracy of an axis method and high X-axis measurement accuracy of a bus method are combined, the measurement errors of the single axis method or the single bus method along the Y axis and the X axis are avoided, and a large amount of numerical simulation is carried out on the axis and the bus through a Monte Carlo numerical simulation method; and registration is carried out on the camera group for shooting the same end face through coincidence transformation and geometric transformation of the same end face unit and a calibration method. According to the basic thought, the transformation relation enabling the two tracks to coincide is sought through an algorithm, transformation is carried out according to the determined geometrical relation between the two tracks, and the real poses of the two tracks in the space are obtained. Registration is directly carried out on returned image features, and dependence on an expensive laser tracker is eliminated.

The invention discloses a quadruped robot and a gait planning method thereof. The quadruped robot comprises a robotic trunk, wherein the upper part of the front end of the robotic trunk is connected with a robotic head through a robotic neck, and the lower part of the robotic trunk is connected with four legs of a first leg, a second leg, a third leg and a fourth leg; the first leg and the second leg are mounted at the front end of the robotic trunk, the third leg and the fourth leg are mounted at the rear end of the robotic trunk, and each leg comprises four parts of a shank part, a thigh part, a vertical rod part and a horizontal rod part which are sequentially connected from bottom to top; a control device is arranged on the trunk and used for controlling the robot to walk. The quadruped robot disclosed by the invention has the functions of walking smoothly and automatically avoiding obstacles.

The invention discloses a control system and a method for a hub motor type electric balance car, wherein the control system comprises a vehicle-mounted terminal device and a visible multimedia control device; the vehicle-mounted terminal device comprises a first control module, a first wireless transmission module, a right hub motor driving module, a left hub motor driving module, an altitude detecting module, a pedal detecting module and a steering detecting module; the visible multimedia control device comprises a second control module, a second wireless transmission module, a touch screen and a data storage module; the touch screen is used for receiving a starting password of the electric balance car and a multimedia playing control signal and displaying operation state information of the electric balance car; and the vehicle-mounted terminal device and the visible multimedia control device interact information through the first wireless transmission module and the second wireless transmission module, so that the safety and the driving performance of the electric balance car can be improved.

The invention comprises: user end (UE) and interactive multimedia answering server respectively login the H.323 gatekeeper; when UE dials the special service number of the interactive multimedia answering server, the H.323 gatekeeper leads the call to the interactive multimedia answering server; the UE inserts a certain item serial number inputted with keyboard or selected from the prompt image into a real-time payload protocol packet and sends it to the interactive multimedia answering server; the interactive multimedia server extracts the item inputted with keyboard or selected from the prompt image from the real-time payload stream, and provides a further prompt or directly provides relevant content.

The invention provides a screen unlocking method and a screen unlocking apparatus. The method comprises the following steps of: acquiring an iris identification of a current user; matching the iris identification with a pre-stored iris identification in a pre-stored iris identification database, wherein at least one prestored iris identification is stored in the pre-stored iris identification database; if the iris identification is matched with the pre-stored iris identification, acquiring an eyeball movement mode of the current user; matching the eyeball movement mode with a pre-stored eyeball movement mode; and if the eyeball movement mode is matched with the pre-stored eyeball movement mode, executing an unlocking operation. The invention further discloses the screen unlocking apparatus. According to the screen unlocking method and the screen unlocking apparatus, which are provided by the invention, not only is recognition on a user identity implemented, but also the novel eyeball movement mode is provided to implement unlocking, security is increased, user privacy is protected, and user experience is improved.

A projection optical system has lower and upper pedestal components to which a plurality of mirrors are attached. Of the mirrors, a concave mirror is placed closest to a DMD, and a convex mirror is next to the concave mirror. A position and an inclination of the convex mirror is fixed. At least three axes for a position and an inclination of the concave mirror is adjusted.

The invention relates to a method for obtaining a titanium alloy prosthesis for human defective bone through mould stamping. The method provides the titanium alloy bone prosthesis which has high precision and meets the individual requirements of a patient for patients with bone defects and particularly for those with defective bones of complex structures. The method constructs a curved surface of the defective bone prosthesis according to the CT DICOM format data or MR DICOM format data of the bone of the patient; a titanium plate forming mould is designed according to the curved surface; then, the data of the mould is input into a digital control machine tool; a stamping mould needed by the design is machined by the machine tool; and the titanium plate is carried out stamping forming by the mould. Moreover, the CT DICOM format data or MR DICOM format data of the bone of the patient undergoes 3D reconstruction, and a reconstructed bone image is input to the digital control machine tool; and the digital control machine tool machines a bone prosthesis, and matching check between the bone prosthesis and a bone model of the patient is carried out so as to ensure that the prosthesis is completely matched with a skull of the patient.

The invention discloses a cloud computing system, aiming to solve the technical problems of reducing the workload of enterprise information system development and debugging, realizing unification of data access and datasheet modification, and improving the database maintenance. In the technical scheme, the cloud computing system for enterprise information comprises a WEB server and a database server, wherein the WEB server is connected with a client end through the Internet, is linked with the database server on a cloud end through the Internet and comprises a data monitoring unit, a data updating unit, a datasheet modification unit and an enterprise information unit, and the enterprise information unit comprises a data storage unit, a data access category storage unit and a database connection unit. Compared with the prior art, the workload of a development engineer can be minimized.

In a method and device for generating a tomosynthetic 3D x-ray image, a number of digital x-ray images of an examination subject are acquired at respectively different projection angles, within a limited angle range, using an x-ray source and a digital x-ray detector. At an initial position for a selected projection angle, a spatially-fixed reference point is projected onto a partial region of the acquisition surface of the x-ray detector. For each further projection angle, a corresponding partial region on the acquisition surface is automatically determined. The tomosynthetic 3D image is reconstruction exclusively using image data from the respective partial regions.

The invention provides a health survey-based physical examination appointment system and method. The method includes the steps of obtaining the identity information and health information of a user; generating a physical examination item selection interface according to the identity information and health information of the user, and obtaining physical examination items selected by the user on the physical examination item selection interface; sending the physical examination items selected by the user to a physical examination management platform; receiving the reservable time information determined by the physical examination management platform according the physical examination items selected by the user and current appointment situations of the physical examination items; and generating a time reservation interface according to the reservable time information, and obtaining physical examination time selected by the user on the time reservation interface; sending the identity information, health information and selected physical examination time of the user to the physical examination management platform; receiving and displaying a user electronic label and an appointment success message sent by the physical examination management platform. By implementation of the invention, the individualized physical examination appointment system and method which provide physical examination items for the user to select according to the health information of the user are realized.

The invention relates to an evaluating system and an evaluating method for a deep packet inspection product, belonging to the technical field of computer application, wherein the evaluating system comprises a sample traffic collection module, a deep packet inspection DPI engine module, a DPI business rule configuration module and a DPI product evaluating module. The evaluating method comprises the steps as follows: obtaining pure sample traffic of a mobile internet via the sample traffic collection module; configuring a DPI business recognition rule and appointing the business rule implemented to the sample traffic; inputting the sample traffic into the DPI product evaluating module, and the DPI product evaluating module calling a DPI engine to identify the type of network traffic; counting the output result of the DPI engine under the condition of a specific business rule, and comparing the output result with sample traffic data to obtain a quantitative index. The evaluating system and the evaluating method of the invention can be used for implementing relevant projects of DPI product test evaluation index and providing basis for quantitative scoring of the DPI product.

The invention relates to a method for construction and service of time tag business data for communication, which belongs to the technical field of communication. The method comprises the following steps: receiving a service request of a client through a server at first, analyzing business contents in the request and time tag information corresponding to the contents, and packaging the original data to form a business data packet according to the granularity of the time tag information; adding the time tag information into the business data packet to form a primary business data packet; obtaining a priority level of the primary business data packet according to the time tag information, and constructing time tag business data; determining a transmission sequence through the server according to the network communication capacity, the priority level and the time tag information; configuring the number of resources for storage, computation and communication of each time label business data; and transmitting the business contents of the request to the client and charging according to the transmission sequence. The invention makes the business flow in the network smooth, and eases the tension of resource allocation and the pressure for upgrading the network equipment.

The invention discloses a plasma microwave isolation device, a method for performing microwave isolation by utilizing the device, and device applications. The device of the invention comprises an one-dimensional electromagnetic metamaterial formed by periodically arranging multilayer materials having an A'(BA)<N> type structure, wherein N is the period number. Both of A and A' are nonlinear plasma layers, but the A and the A' have different thicknesses. The B layer is a linear electromagnetic metamaterial layer which is matched with the A layer and both of the dielectric constant and the permeability are negative values. By adjusting the linear dielectric constant and the permeability of the A layer, microwave isolation is realized through the linear dielectric constant and the permeability of the B layer and the electric plasma frequency and the magnetic plasma frequency of the A layer and the B layer. The device of the invention has the advantage of simple mechanism, and the method is easy implement. Moreover, the advantage of high Q value can be realized while realizing the microwave unidirectional propagation or the microwave isolation effect. The device and the method of the invention can be widely used in the field of microwave isolation comprising being used in an antenna transceiver device.

The invention discloses a visual algorithm-based robot inspection point location intelligent configuration method. With the method adopted, the technical problems of high cost and low efficiency due to the adoption of manual configuration in an existing inspection point location configuration mode can be solved. The method comprises the following steps of: acquiring the initial data of an inspection robot; controlling the inspection robot to move according to a set rule; acquiring each frame of image shot by a camera and splicing the images to obtain a panoramic image of a power distribution cabinet surface during the movement process of an inspection robot, performing target detection by using a depth model to obtain the pixel coordinate of state indication equipment on a power distribution cabinet, calculating the difference value of the coordinate and an image center, and converting the pixel coordinate into the pulse coordinate of the equipment in a video center under a robot motion coordinate system by using offline calibrated servo data; and displaying the detected information of the state indication equipment and the corresponding pulse coordinate, and performing manual checking. With the method adopted, the intelligent degree of the distribution points of a power distribution room inspection robot can be improved, labor cost is reduced, and implementation efficiency isimproved.

A metal sintering preparation containing (A) 50 to 90% by weight of at least one metal that is present in the form of particles having a coating that contains at least one organic compound, and (B) 6 to 50% by weight organic solvent. The mathematical product of tamped density and specific surface of the metal particles of component (A) is in the range of 40,000 to 80,000 cm⁻¹.

The present invention discloses a carbon emission space configuration method based on resource environmental element coupling analysis. The method comprises the following steps of A analyzing an energy consumption system; B carrying out the atmospheric environment capacity constraint configuration; C carrying out the water resource bearing capacity constraint configuration; D carrying out the landresource bearing capacity constraint configuration; E carrying out the carbon emission space configuration on a multi-element coupling condition. By adopting a multi-element coupling and cooperativemanagement technology, the climate, energy and environment problems are planned integrally, and the multiple elements, such as the atmospheric environment capacity, the land resources, the water resources, etc., are coupled, thereby realzing the resource planning and control of the carbon emission space. Moreover, by bringing the carbon emission space resources in the scope of the natural resourceplanning and management, and establishing a resource bearing capacity monitoring and evaluating technical system under a view angle of the carbon emission space, an allocation technology and method of the carbon emission space is realized under the frame of the Paris climate agreement and the new situation promised by the carbon emission peak of China in 2030.