47results about How to "Improve accuracy and speed" patented technology

A method of compensating image signals for driving an OLED display having a plurality of light-emitting elements having outputs that change with time or use, comprising the steps of: a) obtaining a measured or estimated first value of the current used by individual light-emitting elements in response to known image signals at a first time; b) specifying multiple groups of light-emitting elements at a second time, wherein at least one of the specified groups contains at least one light-emitting element common to another specified group; c) measuring total currents used by each of the specified groups in response to known image signals at a second time; d) forming an estimated second value of the current used by individual light-emitting elements based on the measured total currents, e) calculating correction values for individual light-emitting elements based on the difference between the first and second current values, and f) employing the correction values to compensate image signals for the changes in the output of the light-emitting elements and produce compensated image signals.

The invention relates to a lip reading technology based lip language input method, mainly aims at Chinese characters in common use and Arabic numerals, belongs to the intelligent computer identification technology, is a typical image mode analysis, understanding and classified calculation problem and relates to multiple subjects of mode identification, computer vision, intelligent human-computer interaction, cognitive science and the like. Shot mouth lip movement video is subjected to key frame extraction, normalizing processing is performed for extracted images by utilizing gray processing, median filtering, dynamic threshold binarization processing and scanning for noisy point removal, then eigenvectors are extracted to obtain parameters with lip characteristics and are matched with a lip model library to identify the images as a Chinese phonetic alphabet sequence, and finally an input method module is combined to obtain corresponding Chinese characters or Arabic numerals.

The invention relates to a mobile satellite alignment method for fast recovery type mobile communication, Through the introduction of high-precision GPS information, the method uses information of a GPS speed position and the like as reference quantity of an inertial navigation system and carries out information fusion and resolution with the inertial navigation system; on the basis of the prior static alignment dynamic tracking, the method is added with dynamic pedestal alignment technology, namely under the moving state of a carrying vehicle, the method resolves out the azimuth angle of the carrying vehicle relative to the positive northern direction and the attitude angle relative to the horizontal surface through the comprehensive calculation of a peg-top, an accelerometer and other sensors; and the method adopts closed loop extremum scanning technology and realizes the capturing and locking of a satellite under a dynamic environment to keep an antenna stable in the dynamic environment. The method adopts rapid dynamic pedestal alignment technology through laser inertial navigation and can automatically complete the dynamic pedestal alignment function of the inertial navigation system; and the method adopts the closed loop extremum scanning technology and realizes the capturing and locking of the satellite under the dynamic environment to keep the antenna stable under the dynamic environment. Moreover, the mobile satellite alignment method greatly improves the rapid responding capacity of the mobile communication system.

The invention discloses an automatic taxi asking-for system based on intelligent equipment, and further discloses a method for achieving the system. The automatic taxi asking-for system based on the intelligent equipment comprises an intelligent terminal, a taxi dispatching system and a vehicle-mounted intelligent navigation system. The intelligent mobile terminal is used for acquiring longitude-latitude data of a taxi getting-on point and sending the longitude-latitude data to the taxi dispatching system; the taxi dispatching system is used for confirming a targeted taxi according to a longitude of the taxi getting-on point and a latitude of the taxi getting-on point and sending the longitude-latitude data to the targeted taxi; and the vehicle-mounted intelligent navigation system is used for displaying the taxi getting-on point on a navigation map according to the longitude-latitude data. A positioning function of the intelligent mobile equipment, a map engine function of the intelligent mobile equipment and a network communication function of the intelligent mobile equipment are utilized so as to acquire an accurate longitude and an accurate latitude of the taxi getting-on point for a taxi asking-for passenger, and display the accurate longitude and the accurate latitude to a driver of the targeted taxi, and therefore positioning speed, positioning accuracy, service quality of the taxi and service efficiency of the taxi are improved.

The invention discloses a micro-nano satellite attitude and orbit control semi-physical simulation comprehensive experimental platform which comprises a host machine, a target machine, an environmentsimulation computer, an attitude and orbit control computer, an execution mechanism and I/O hardware equipment of an acquisition card. The host machine is connected with the target machine by an Ethernet; the target machine is in communication connection with the environment simulation computer; the environment simulation computer is used for simulating a space environment where a satellite is positioned and obtaining actual information data of an attitude and an orbit of the satellite by a measurement module; simulated information data of the attitude and the orbit of the satellite is compared to the actual information data of the attitude and the orbit of the satellite in the environment simulation computer to obtain an error amount; the environment simulation computer is in communication connection with the attitude and orbit control computer; and the attitude and orbit control computer calculates a control quantity and sends out a control instruction to the execution mechanism. Themicro-nano satellite attitude and orbit control semi-physical simulation comprehensive experimental platform has the advantages of high operational capability, high accuracy, closer simulation operation principle and result to the actual working condition of the satellite, high real-time performance and low cost.

The invention relates to a UAV (unmanned aerial vehicle) landing control method and device. The method comprises a step of obtaining a first image corresponding to a destination and the prediction coordinate range of the destination, a step of obtaining multiple candidate images which cover the prediction coordinate range and determining multiple candidate areas in the candidate images according to category information, a step of determining the matching degree of each candidate area according to the first image, a step of determining the candidate area with a highest matching degree as a landing area, and a step of carrying out landing controlling on a UAV according to the coordinate of the landing area. Through the UAV landing control method and device provided by the invention, the target identification detection of the candidate image is carried out, the landing position of the UAV is determined, then the UAV is controlled to land automatically, the human intervention is not needed, and the artificial intelligence technology is applied to the field of UAV. While the UAV operating threshold is reduced and convenience is provided to a user, the speed and accuracy of UAV landing are improved.

The invention discloses a connection Chinese character Pinyin input method which is characterized in that 26 English letters are distributed on 9 keys; a, e, g, h, i, n, o, r and u are taken as large letters and arranged in the middle of the keys and the rest letters are taken as small letters, distributed around the large letters in radial-shape and arranged according to the sequence of abcd as much as possible. The input method of the invention uses a point, pulling and connecting type input types. Under the input mode of the invention, at most two strokes of the Pinyin of each Chinese character are required: the front stroke is initial consonant inputting and the next stroke is compound vowel inputting. The input method of the invention can arrange 9 keys in extremely small area to input the Chinese characters on a touch screen, has extremely high exactness and speed and can use a finger for input.

The invention discloses a weathervane zero position correction device, which comprises a weathervane angle correction part, a spindle angle correction part and an angle adjustment part, wherein the weathervane angle correction part is arranged outside a testing device and is connected with the weathervane on the testing device; the weathervane angle correction part is used for adjusting the angle of the weathervane; the spindle angle correction part is arranged on the spindle inside the testing device; the spindle angle correction part is used for measuring the angle of the spindle; and the angle adjustment part is respectively connected with the weathervane and the spindle angle correction part. Through the angle adjustment part, the angle of the weathervane can be adjusted, the zero graduation line of the weathervane is parallel with the spindle, zero graduation line errors of the weathervane are quantified, the weathervane zero position correction speed and the accuracy are improved, and the inaccurate yaw wind alignment degree of a wind turbine can be reduced.

The embodiments of the invention disclose an information sharing method for improving the quickness and the convenience when a terminal only shares information to a target friend and the terminal. The information sharing method comprises the steps of when an information sharing instruction is acquired, acquiring information to be shared; acquiring current first position information of a user and current second position information of at least one pre-stored friend, wherein the second position information is in one-to-one correspondence to the pre-stored friends; determining a target friend according to the first position information, the at least one piece of second position information and a preset distance threshold, wherein the target friend is at least one of the pre-stored friends; and sharing the information to be shared to the target friend.

The invention belongs to testing technologies for an inertial platform of a platform type inertial navigation system, and relates to a balance testing method for a ring stand of the inertial platform of the platform type inertial navigation system. An oscilloscope is connected between a one-time frequency wave trap and a correction stage on a servo loop plate in the platform type inertial navigation system; output signals of the one-time frequency wave trap in an azimuth channel, an internal rolling channel and a pitching channel are respectively connected to three channels of the oscilloscope; the inertial navigation system is mounted on a double-shaft manual rotary table, is electrified and begins to work; after the inertial navigation system gets into a navigation state, the course andthe attitude of the rotary table are rotated, so the course and an attitude angle of the inertial navigation system are changed; and right now, signals collected by the three channels of the oscilloscope are observed; and if the wave form amplitude difference is smaller than 80mv, the ring stand of the inertial platform is balanced. The invention provides the positioning and testing method which has the advantages that with the help of faults and problems occurring when the inertial platform is debugged and used, the specific reason and the solving direction of the faults are found out through a new testing method, the system self does not need to be altered, and the problem of unbalance of the three ring stand in the inertial platform is solved.

The invention discloses a house type graph recognition technology based on specific component detection. Components comprise a bearing wall, a non-bearing wall and a bay window. Firstly, an input picture is binarized, and then a rule is designed to detect the position of a specific component in the picture. According to the method, specific components on the house type image can be automatically and efficiently identified, the house type library can be established by utilizing a large number of house type images, and a large amount of labor cost is saved.

The invention provides a menu pushing method, a menu receiving method, a server and cooking equipment. The menu pushing method comprises the following steps of: according to fingerprint data received from the cooking equipment, pushing menu information corresponding to the fingerprint data to the cooking equipment; according to correction information returned from the cooking equipment, correcting the menu information to obtain corrected menu information; and returning the menu information to the cooking equipment. Through the technical scheme of the invention, the menu information is pushed to the cooking equipment, the menu information is corrected to obtain the corrected menu information according to the correction information returned from the cooking equipment, the menu information can be regulated according to user hobbies, the corrected menu information is returned to the cooking equipment, so that a menu cooked and finished by the cooking equipment conforms to the individual requirements of the user, a user participation degree is high, and the use experience of the user is improved.

The invention provides a five-stroke input phrase making method, in particular to a five-stroke input phrase making method which can automatically make a phrase after continuously imputing Chinese character codes of each Chinese character according to the rule of the five-stroke input method. The five-stroke input phrase making method of the invention inputs the Chinese character codes of each Chinese character according to the rule of the five-stroke input method, and can input more than four Chinese character codes continuously, and all the input Chinese character codes are selected to determine a Chinese character according to inputting order and further to form a phrase and generate a phrase code. The five-stroke input phrase making method of the invention solves the problems of the five-stroke input method that active phrase making can not be carried out and inputting efficiency can not be improved and overcomes the defect in the prior art that inputting individuality can not be embodied.

The invention relates to the field of construction measurement technologies and discloses a chalk line instrument for construction measurement. The chalk line instrument comprises a body, wherein light control output windows are installed in the middle of the top and the middle of the left side of the front surface of the body respectively, an included angle formed between extension lines of the two light control output windows is 90 degrees, an annular frame is fixedly installed in the middle of the front surface of the body, and a control disk is clamped to the outer surface of the body. According to the chalk line instrument for construction measurement, through an included angle formed between a fastening block in a marking device and a horizontal direction scale value inside the annular frame and an included angle formed between a vertical marking pointer in the marking device and a vertical direction scale value inside the annular frame and according to the Pythagorean theorem, it is convenient for a user to quickly calculate a height difference, namely the product of the spacing X between two control cone rods and a corresponding included angle cosine value, between offset of the chalk line instrument and corresponding offset and quickly and accurately adjust the chalk line instrument to make light, emitted by the chalk line instrument and corresponding to the light control output windows, at a horizontal position, and the speed and precision of adjusting the chalk line instrument for construction measurement to be at the horizontal position by the user are improved.

The invention discloses a congestion state prediction method and device, and the method comprises the steps: obtaining sensor data before a current moment, and enabling the sensor data to be collectedby a sensor installed on each road of a toll station; and carrying out congestion state prediction based on a congestion state prediction model according to the sensor data to obtain a prediction result of the congestion state corresponding to the road where the sensor is located after a predetermined duration, and acquiring the congestion state prediction model by training sensor sample data based on an integrated machine learning algorithm of a decision tree. The invention aims to provide a mode for predicting the congestion state of a toll station.

The invention discloses an environment modeling method and device. The method comprises images are obtained, a 3D image model of a present environment is established, and image identification is carried out on the 3D image model to obtain object models in the 3D image model; according to sound wave information obtained by a detector, the target distances between the detector and the object models are calculated; and according to the 3D image model and the target distances, a first environment coordinate model is established. The environment modeling device comprises an object model obtaining module, a distance calculating module and a first model establishing module. According to the invention, the object models are obtained by image identification, the sound wave information of the detector determines the distances between the detector and the object models, further, the environment coordinate model is established, the method and device can be suitable for environments of different barriers, the computational complexity in the environment modeling process is reduced, and the environment modeling speed and accuracy are improved.

The invention discloses an automatic polishing and picking device for bamboo toothpicks. The automatic polishing and picking device for bamboo toothpicks comprises a base, a polishing hopper, a movable bottom plate, a crankshaft driving device and an automatic picking device. An axle set is arranged on the base, the polishing hopper is arranged on the base, the movable bottom plate is correspondingly arranged at the bottom of the polishing hopper and placed on the axle set, the two ends of the movable bottom plate extend outwards, and the output end of the crankshaft driving device is connected with the movable bottom plate and drives the movable bottom plate to reciprocate on the axle set. A through groove is formed in the movable bottom plate in the longitudinal direction, and the automatic picking device is correspondingly arranged on the movable bottom plate and the base. The automatic polishing and picking device for bamboo toothpicks has the advantages that automation optimization and improvement are performed on the polishing and picking processing process of bamboo toothpicks, the manual operation mode is abandoned, the speed and accuracy rate of picking out defective products are greatly increased, the requirement for large-scale production of products is met, and the automatic polishing and picking device for bamboo toothpicks has high practicability and creativeness.

The invention relates to a big data-based searching system and method. The system includes a system management module, a big-data server, a security authentication module, a searching module, a data index storage module, a data collection module, a data index module and a data storage module. According to the big data-based searching system of the invention, dedicated index storage is established,history searching results are cached and utilized, workloads of repetitive searching are avoided, a precision degree and a speed of searching are increased, valuable information can be obtained by searching from massive data, and the problem of a big-data era on data searching is easily solved.

The invention relates to the technical field of engraving devices, and specifically discloses an engraving device for computer hardware development. The engraving device comprises a workbench, a driving mechanism, a reclaiming mechanism, a moving mechanism and an engraving mechanism, wherein the four corners of the top of the workbench are fixedly connected with support rods; the tops of the foursupport rods are fixedly connected with a top plate; and the bottom of the top plate is fixedly connected with telescopic cylinders close to the four corners of the center of the top plate. In the engraving device, the driving mechanism, the moving mechanism and clamping plates are arranged, the driving mechanism drives the moving mechanism to move in order to adjust the distance between the two clamping plates, and the two clamping plates push hardware slowly towards the center of the workbench during movement till the hardware reaches the center of the workbench, so that the hardware can bepositioned, and hardware of different sizes can be fixed at the same time, thereby facilitating subsequent engraving of the hardware by the engraving device.

The invention discloses a method for identifying and positioning a photovoltaic string in a map, which comprises the following steps of: acquiring a photovoltaic power station map image acquired and mapped by an unmanned aerial vehicle, and sequentially cutting the map image in an overlapped manner according to a certain size to obtain a series of images; according to a preset string recognition neural network model, feature extraction is carried out on the cut map images of the photovoltaic power station, and position coordinates of a string in each image are predicted and acquired; calculating position coordinates of the string in the complete map image; calculating the intersection-union ratio of the recognition result of the whole image, judging whether the obtained intersection-union ratio is larger than a threshold value or not, and when the obtained intersection-union ratio is larger than the threshold value, reserving a recognition frame with a large area; and displaying the final result through the server, and modifying the result through the server. The embodiment of the invention provides the method for identifying and positioning a photovoltaic string in a map, so as to solve the problem that a fault component cannot be accurately positioned in the prior art.

The invention discloses a VR scene multi-merchant sales system, which comprises terminal equipment and central equipment, and is characterized in that the central equipment is connected with the terminal equipment through a network; The central device comprises a cloud server and a merchant system; A firewall is arranged between the merchant system and the cloud server; A system information module, a merchant user information module and a terminal equipment information module are arranged in the cloud server; And the merchant system comprises a VR scene information module, an interface information module, a commodity information module and a VR comprehensive display module. According to the shopping system, the customer can conveniently check the VR entity scene of the merchant and the VRentity scene of the commodity, and the user can feel the same scene as offline retail without going out, so that errors caused by shopping are reduced, and the shopping accuracy and convenience of theuser are improved.

The invention discloses a method for improving efficiency of a virtual keyboard pinyin input method, which includes step 1 starting a virtual keyboard, step 2 inputting initials of the pinyin, step 3 starting background operation procedures of the pinyin input method, step 4 supposing the range of the next letters users input according to the pinyin regulation of the pinyin and marking the letters in the range to be in high light, step 5 choosing a next letter according to high light prompt, step 6 judging whether the users can select Chinese characters and finish input of the Chinese characters according to a current input letter combination, and step 7 finishing the procedure on yes or returning to the step 4 otherwise. The method for improving efficiency of the virtual keyboard pinyin input method marks the range of a letter possibly to be input next to be in high light after the users input the initials, reminds the users to a certain extent, and can improve speed and accuracy of pinyin input.

The invention belongs to the technical field of satellite remote sensing image processing, and particularly relates to a building classification method based on the satellite remote sensing images. The method comprises the following steps of carrying out multi-azimuth accurate data processing on the satellite remote sensing image data; classifying according to the feature extraction degrees of thebuildings; establishing a satellite remote sensing image feature judgment layer; building a classification model for the buildings in the satellite remote sensing images according to a convolutionalneural network; and carrying out weighted production on the classification data with a larger training error function value obtained after testing to obtain a new training data set, carrying out iterative training on the classification model again, storing an optimal model, and packaging the optimal model into a classifier; and finally, displaying different types of detection results in a classified manner according to the actual distribution condition of the satellite remote sensing images and the actual application field. The method solves the problems of low classification speed, low accuracy and the like of the satellite remote sensing images by adopting a traditional method, is high in landing applicability and wider in application field, can be used for the urban design planning andlayout, enables the urban building distribution to be more reasonable, and can be used for the urban public safety, emergency shelter detection and the like.

The invention discloses a three-dimensional data model rapid assembly method, system and device and a storage medium, and the method comprises the steps: selecting a secondary development command of astandard part needing to be inserted, so as to display a corresponding parameter window on a CATIA software interface; after the parameters of the standard component are input into the parameter window, obtaining the geometrical characteristics of the target assembly; obtaining an object model in combination with the geometrical characteristics and the input parameters, obtaining a path where a file corresponding to the standard component is located according to the object model, and inserting a three-dimensional data model of the standard component into CATIA software; and moving the three-dimensional data model of the standard component to the position of the target assembly according to the spatial position coordinate relationship between the target assembly and the standard component.According to the method, the model of the inserted standard part is automatically measured and judged, the path where the corresponding part model file is located is automatically searched, the stepsof manual measurement and judgment are greatly reduced, the assembly speed and accuracy are greatly improved, and the method can be widely applied to the field of mechanical design and the field of computers.

The invention discloses a transformer core manufacturing device, which comprises a loading component, a stacking component disposed above the loading component, a turning table disposed below the stacking component and located on one side of the loading component, a core solidifying component, and a unloading component. The loading component includes a loading base and a belt conveyor. The bottomof the loading base supports the ground. The belt conveyor is disposed on the top of the loading base. The belt conveyor is configured to transport a core to below the stacking component. The stackingcomponent includes a bracket connected to the loading base and located above the belt conveyor and a stacking mechanical arm movably connected to the bracket. The core solidifying component includesa bottom plate connected to the turning table and a stopping frame vertically connected to the bottom plate. The stopping frame can be adjusted in size in order to pass through the inner hole of the core. The stacking mechanical arm is configured to successively stack, press and solidify the core along the stopping frame. The turning table can rotate 90 degrees to make the stopping frame horizontally dock with the transport track of the unloading component. The transformer core manufacturing device realizes the automatic production of the transformer cores and improves production efficiency.

The invention discloses a hand action capturing method for a virtual reality system, and relates to the technical field of virtual reality analysis. The specific capturing process comprises the following steps: step 1, initializing; step 2, after a camera is started, when a reliable face is detected, establishing a skin color Gaussian model; step 3, when start=1 and gesture=-1 are detected in video stream, turning to step 4; step 4, performing differentiation on the current frame and a background image bgimg set in step 1 to obtain a differential binary image chafenimg, judging that the frame is a gesture stable frame, supposing gesture=1 and turning to step 5; and step 5, obtaining a hand action binary image. The hand action capturing method for the virtual reality system greatly improves the action capturing accuracy and speed, and meets the real-time capturing requirement.

The invention discloses a system based on Sanqi data analysis, which comprises the steps of step A: Sanqi data mining; step B: Sanqi database construction; step C: Adding Sanqi data identification; step D: Sanqi data analysis and statement generation. The system has the following advantages: in combination with the data of planting, processing, storage, sales, logistics, medicine, and supervisionof Sanqi, a statement is generated through statistical analysis for guiding the production and operation, circulation transaction and market forecast of Sanqi.

The invention discloses a rhythm prediction method, device and equipment and a storage medium, and relates to speech synthesis, natural language processing and computer technology language. The specific implementation scheme comprises the steps of obtaining a target text; determining a language feature vector of the target text; determining a rhythm boundary identifier in the target text accordingto the target text and the language feature vector; and determining the rhythm of the target text based on the rhythm boundary identifier, and outputting the rhythm. According to the implementation mode, rapid and accurate rhythm prediction can be carried out on texts of different languages, and the rhythm prediction speed and accuracy of texts of different languages are improved.

The invention discloses a scoliosis measurement and evaluation dynamic digital analytical instrument rack which comprises a main frame, two thrust test systems, a hip flexion bearing device, a lower limb bearing device, a neck traction device and a bottom plate. The main frame comprises four struts and two upper transverse beams, the struts are arranged at four corners of the outer side of the bottom plate, right-angle connecting pieces are fixedly arranged at joints of the struts and the bottom plate via nuts, and strut bodies are fixedly arranged on the tops of every two corresponding strutson the same side of the bottom plate via the corresponding right-angle connecting pieces. The scoliosis measurement and evaluation dynamic digital analytical instrument rack has the advantages that the elasticity of vertebral columns can be clinically evaluated by the aid of the scoliosis measurement and evaluation dynamic digital analytical instrument rack, treatment conditions of patients do not need to be evaluated only by experience of technicians, hand push modes and the like, excellent foundations and reference bases can be provided to designing orthoses, accordingly, the manufacturingaccuracy can be greatly improved, the manufacturing speeds can be greatly increased, products which are manufactured in late periods can effectively conform to conditions of the patients, optimal effects can be realized, and the adaptability of the products can be greatly improved.

The invention relates to the technical field of printed product detection, and in particular relates to a compressed air device applied to printed product detection equipment and a printed product detection device. The compressed air device comprises a compressed air plate; the compressed air plate is connected with an air pipe; the compressed air plate comprises a plurality of compressed air plate air pipes; an air outlet hole is formed in each compressed air plate air pipe; the pipe walls of the adjacent compressed air plate air pipes are connected; the compressed air plate is provided withan arc-shaped air outlet face; the air outlet face faces an impression cylinder of the detection equipment, and a plurality of evenly-distributed air outlet holes are formed in the air outlet face. According to the compressed air device applied to the printed product detection equipment and the printed product detection device, by arranging the compressed air plate on the printed product detectiondevice, paper is tightly pasted at the moment of shooting; the paper is controlled by the air cushion and the air pipes of the compressed air plate and tightly pasted on the cylinder under the condition that the paper is not in contact; and the problem of tightly pasting a printed product during printed product detection is effectively solved on the premise that the surface of the printed productis prevented from being scratched and smeared.