56results about How to "Solve different problems" patented technology

Disclosed in the present invention are a non-periodic channel state information (CSI) feedback method and device thereof, the method comprises: a user equipment receives measurement set configuration information from a network side equipment; said user equipment receives non-periodic CSI feedback trigger instruction from the network side equipment; said user equipment performs non-periodic CSI feedback on the measurement set corresponding to the sub-frame which receives said trigger instruction. The embodiments of the present invention enable the measurement and feedback of sub-frame in the sub-frame set, thus solving the problem that different sub-frame sets requires different transmission points while simultaneously utilizing coordinate multipoint transmission/reception (CoMP) and enhanced inter cell interference coordination (eICIC).

A dual-purpose manual and electric curtain control system mainly comprises a mounting crossbeam with a section structure, and can be provided with one or more active driving mechanisms and a required number of movable hanging components. Active driving mechanism bodies move to push or pull a curtain so as to realize opening and closing of the curtain. Main functions of the dual-purpose manual and electric curtain control system include that the one or more curtain driving mechanisms capable of moving independently can be controlled, the curtain can be opened on a single side or on double sides oppositely or on multiple sides optionally, the curtain can be controlled automatically and manually optionally without switching, and self-hanging installation of the curtain can be realized.

The invention provides a transmission method of a household appliance local area network for solving the problem that when working at the same time, a plurality of existing household appliances cannot respond in time. The transmission method can solve the problem that under the situation of a module 433 selected at present, the household appliances cannot respond in time when working at the same time. The transmission method of the household appliance local area network comprises the steps that firstly, a gateway unit sends out a networking order, and the household appliances needing to have access to the network have access to the network in sequence; secondly, the gateway unit allocates corresponding network IDs to the household appliances having access to the network according to the network accessing sequence; thirdly, the gateway unit determines which transmission mode is needed to transmit data according to the order, wherein if the order is a broadcast order, the time quantum dividing method is adopted so that the different household appliances in the network can transmit the data in the corresponding quantum, and if the order is a single household appliance order, the method of monitoring a channel firstly and then carrying out transmission is adopted to transmit data; fourthly, if the gateway unit is subjected to strong wireless interference in one channel, the channel conversion method is adopted to avoid interference.

The invention relates to a video key information extraction system aiming at user interest semantics. The system comprises an image acquisition module, a video preprocessing module, a joint team weight learning module and a key information extraction module. The method includes: taking interest description of different users on video as keywords to retrieve images on the Internet through the imageacquisition module; using the joint team weight learning module to retrieve the keywords which are different in description and related in semantics, and acquiring a target semantic model at the sametime; utilizing associated audio data of the video to assist pre-extraction of video clips probably containing key information; calculating whether each video clip contains the key information that users are interested in or not through the target semantic model. The system can perform semantic modeling on content that the users are interested in according to different concerns of the users so asto effectively guide personalized video key information extraction, and semantic knowledge acquired on the Internet can greatly reduce dependency of data on manual annotation.

The invention discloses a stem DBH (diameter at breast height) measuring method based on machine visual sense and the three dimensional reconstruction technology; the method is realized by the following specific algorithms and models: 1, an intelligent mobile terminal equipment camera calibration model and algorithm, a camera distortion rectification model and algorithm; 2, a two dimensional imagecoordinate system-three dimensional world coordinate system reconstruction model used for solving the problems that unit pixels under different distances are matched with different physical dimensions in the reality world, thus measuring the stem DBH from different distances; 3, a natural environment stem trunk contour detection and extraction algorithm; 4, a stem trunk contour minimum external connection rectangular detection algorithm; 5, a stem trunk height and DBH measuring algorithm used for measuring the DBH of a single stem in a single image. The method can solve the problems in the forest resource investigation works like complex environments, large laboring intensity, and an existing method overly relies on artificial measurements; the method can reduce laboring intensity and labor cost, thus improving working efficiency.

The invention discloses a safe and reliable identity authentication method and device supporting multiple protocols and multiple modes, belongs to the field of identity authentication, and aims to solve the technical problems of user crossing and user account difference between different service systems during login authentication. According to the technical scheme, identity authentication is carried out on all service systems and an integrated platform with the functions of user identity authentication, session management, certificate management and strategy management, unified verification of user identities is achieved, a single-point authentication login service is provided for all the service systems, and the newly accessed service system can be quickly accessed through simple configuration; and meanwhile, by outputting unified and standard interfaces and specifications, a credible security authentication function is provided for integration of each service system, and single-point authentication transformation of each service system is quickly completed.

The present invention provides an educational resource management platform. The educational resource management platform comprises: a resource management module, a cloud-end transcoding module, an application supporting module and a server component. The resource management module is used for performing resource management on teaching resources, educational administration resources and scientific research resources, and storing and managing videos in various formats, supporting publication approval of the videos and organizing the videos according to different categories; the cloud-end transcoding module is used for performing automated format conversion on an audio, video or document that is uploaded by a user; and the application supporting module is used for supporting resource integration and interaction demands of each application system, and for supporting educational resource sharing oriented to public service. By use of the educational resource management platform provided by the present invention, unified and efficient teaching resource management can be realized.

The invention discloses a method and a system for controlling an all-age intelligent milk mixing machine based on program cloud. The method comprises the following steps: acquiring user information and milk powder information; uploading the user information and the milk powder information to a server, performing judgment and analysis, and extracting the characteristic information of the user information and the milk powder information; and matching the characteristic information with a milk mixing scheme stored in a database of the server, generating an optimal milk mixing scheme and controlling the milk mixing machine according to the optimal milk mixing scheme, wherein the matching modes comprises direct matching and genetic algorithm-based calculation matching. By the method and the system, the proportion and the temperature of the milk liquid most suitable for people at the age group to drink are provided by aiming at infants or adults at different age stages, the healthiest milk powder mixing scheme is provided for the growth of users, the related learning time of the user is saved and the life quality is improved.

The invention discloses a face portrait compositing method based on single photos and portrait pairs. The method comprises randomly selecting a pair of photos from a database sample set as an initial image pair and the others photos as a test photo sample set; dividing image blocks obtained by blocking the initial image to obtain a first image block subset and a second image block subset; performing matrix decomposition on the obtained first image block subset to obtain a projection matrix, and projecting the second image block subset onto the projection matrix to obtain a first projection coefficient set; projecting image blocks obtained by blocking a test photo onto the projection matrix to obtain a second projection coefficient set; according to the similarity scale distance, compositing matched image blocks searched in the second image block subset into an initial composite image; performing iterative composition to obtain a final composite image. The face portrait compositing method based on the single photos and the portrait pairs improves the quality of the initial composite image and saves the process of taking time and labor to collect a large number of photos and portrait pairs.

The invention provides a cross bridging structure for vehicle-end cables of railway vehicles. The structure comprises a mounting support fixed on a coupler, wherein the mounting support is provided with a first supporting plate which is located between two vehicles and arranged in the transverse direction of the vehicles, and a second supporting plate and a third supporting plate which are arranged on the two sides of the first supporting plate respectively and face the rail vehicles; first wire clamp assemblies are arranged on the upper surface of the first supporting plate and the upper surface of the second supporting plate, second wire clamp assemblies are arranged on the lower surface of the first supporting plate and the lower surface of the third supporting plate, and train jumper wires on the two sides of the vehicle end are crossed through the first wire clamp assemblies and the second wire clamp assemblies and are independently arranged up and down. Through the structure, cables are crossed and bridged, and the problem that double-marshalling vehicles are different in vehicle type is solved; and by adjusting clamping blocks, the structure can be applied to middle vehiclesneeding to be bridged in any even number of marshalling vehicles, and it is guaranteed that the vehicle types are the same.

The invention provides a coronary vessel extraction method and device based on multi-view model fusion, and the method comprises the steps: inputting an original coronary vessel CTA image, obtaining aheart segmentation result, carrying out the cutting of the original CTA image according to the size of a heart, and obtaining a cut coronary vessel CTA image; training a coronary vessel segmentationnetwork by using the multi-view image, wherein the coronary vessel segmentation network comprises a first coronary vessel segmentation model, a second coronary vessel segmentation model and a third coronary vessel segmentation model; segmenting the cropped coronary artery CTA image by using a first coronary artery blood vessel segmentation model to obtain a first segmentation result, segmenting the cropped coronary artery CTA image by using a second coronary artery blood vessel segmentation model to obtain a second segmentation result, and segmenting the cropped coronary artery CTA image by using a third coronary artery blood vessel segmentation model to obtain a third segmentation result; and combining the first segmentation result, the second segmentation result and the third segmentation result to obtain a final coronary vessel segmentation result.

The invention relates to a low speed wireless network communication method. The low speed wireless network communication method is characterized by comprising steps that, 1), a wireless frequency band module less than 1G is employed to form a low speed wireless network, a gateway unit, an equipment node unit formed by multiple equipments and a repeater are arranged in the low speed wireless network, the gateway unit and sub node units are connected through a gateway and equipment to carry out data exchange; 2), communication time segment division is carried out, a communication time segment of the low speed wireless network is divided into a beacon frame time segment, a fixed time segment, a repeater time segment and a competition time segment; 3), networking is realized through the gateway and the equipment; 4), communication between the gateway and the equipment is carried out, after networking, normal data transmission is carried out; and 5), the equipment is re-electrified and accessed, the gateway trips to a public channel at certain intervals to emit information to check whether the equipment is accessed to the network. The wireless frequency band module less than 1G is employed to form the low speed wireless network, and the low speed wireless network communication method has advantages of proper indoor transmission distance, proper equipment quantity, timely response, low cost and simple communication system structure.

The invention discloses a monocular 3D reconstruction method with depth prediction. The monocular 3D reconstruction method comprises the following steps: A, obtaining a depth map and rough pose estimation of an RGB image by using a monocular depth estimation network; b, calculating camera pose estimation in combination with an ICP algorithm and a PnP algorithm, and executing loopback detection on a local level and a global level to ensure the consistency of a reconstruction model; and C, converting the depth map into a global model, and then inserting the random fern code of the current frame into a database. According to the invention, the defects in the prior art can be overcome, and large-scale high-quality three-dimensional reconstruction is realized.

The invention discloses a method of correcting power station data deviation according to grid connection point gateway meter manually-read data. Through building a function relation, with the photovoltaic power station grid connection point absolute precision 0.2%-stage gateway meter manually-read day power generation amount as a standard, data acquired by a power station monitoring system, errorcoefficients and the function relation are used, the equivalent output power P0.2, the voltage U0.2 and the current I0.2 at the grid connection point are calculated respectively, with the above as thestandards, photovoltaic power station transformer measurement and control data acquired by the power station monitoring system are subjected to deviation correction, the deviation correction value ofthe transformer measurement and control data further uses as a standard, the acquired inverter data are subjected to deviation correction, the deviation correction value of the inverter data furtheruses as a standard, the acquired photovoltaic power station combiner box data are subjected to deviation correction, and so on and so forth, layer-by-layer recursive correction is carried out on output data of a radiation meter.

The invention relates to the technical field of image processing, in particular to a batch processing drawing method for a 3D simulation scene image based on edge computing, which comprises the following steps of: firstly, loading a picture, then judging whether the picture is a single picture or not, and if the picture is the single picture, directly entering the next step, if the pictures are aplurality of pictures, splicing the pictures into a large picture through a puzzle algorithm, updating vertex coordinates and texture coordinates, storing the vertex coordinates and the texture coordinates into a CPU memory, uploading the vertex coordinates and the texture coordinates to a GPU through the CPU, executing Draw Call once, completing drawing of all pit positions, and finally displaying the pit positions on a screen. According to the method for combining spliced images to draw objects made of different materials, texture pictures to be displayed in all pit positions are spliced into a large texture picture, and each pit position uses a sub-region of the large texture picture, so that each pit position has the same texture data, and the requirement of combining the pit positionsinto a patch is met.

The invention provides an irregular member bar rigidity intensity testing device under composite environment. The device comprises a fixed frame, an angle sensor, a coupling, a bearing, a hollow cylinder, a force arm disc, a locking device, a steel wire rope, force sensors, a servo actuator, an environment case, a bar-shaped testing piece, a fixed platform and a data collector. The bottom portionof the bar-shaped testing piece is fixed on a testing platform through a clamp, the top portion of the bar-shaped testing piece is provided with the force arm disc, the upper portion of the force armdisc is provided with the hollow cylinder, the coupling is used for connecting a connection shaft at the top portion of the hollow cylinder with a connection shaft at the bottom portion of the angle sensor, connection devices are arranged at the opposite corners of the two sides of the force arm disc, the force sensors are installed between the connection devices and the servo actuator, and the two force sensors and the angle sensor are connected with the data collector through cables. The irregular member bar rigidity intensity testing device has the simple structure, easy operation, the small volume, the low energy consumption, the high universality and the lower cost, and can be used for measuring the torsional rigidity of various irregular bar structures in specific environments.

The invention discloses a project management software system and a management method thereof. The project management software system comprises a control center and a server, and the control center comprises a manufacturing management unit, a bar code management unit, a quality management unit and a data acquisition management unit which are connected with one another; the manufacturing management unit comprises a completion warehousing module and a production kanban module, wherein the completion warehousing module comprises a completion warehousing query module and a completion scanning transfer-in module; the bar code management unit comprises a bar code management module, the completion warehousing module, the production kanban module and the bar code management module all conduct querying through bar codes; the data acquisition management unit comprises a multi-connecting-plate completion module, a single-plate completion module, a repairing module and a scrapping module, and a mobile terminal or data acquisition end accesses the server through the control center to acquire data and reflect the production schedule and the product maintenance conditions. Accordingly, due to the fact that the working efficiency of the system is improved, the system can reflect the production schedule and the product maintenance conditions in time, and the product production and maintenance process is quickly traced.

The invention discloses a transmission method of information, and a related device. The rapid HARQ (hybrid automatic repeat request)-ACK feedback and the rapid retransmission can be enabled, a problemthat the resources required by the uplink control information on different sub-frames are different due to the flexible HARQ timing can be flexibly solved, and the method can be suitable for an FDD system and a TDD system at the same time. The method comprises the following steps: terminal equipment receives downlink control information, wherein the downlink control information comprises first information for indicating a symbol for bearing the uplink control information; the terminal equipment determines the symbol for bearing the uplink control information according to the first information; and the terminal equipment maps the uplink control information to the symbol for bearing the uplink control information, and sends the same to network equipment.

The invention discloses an antique brick carving corner mold and a preparation method thereof. The preparation method is characterized by comprising the following steps that a sample mold is manufactured, a silica gel layer is manufactured, glass fiber reinforced plastic layers are manufactured, shaping and fixing are carried out, a plurality of mounting holes are formed in the periphery of the sample mold, demolding is carried out and the sample mold is taken out, and then a right-angle supporting frame, the silica gel layer and the glass fiber reinforced plastic layers are fixedly connectedthrough bolts penetrating through the mounting holes according to the form of the sample mold, so that the antique brick carving corner mold is obtained. According to the preparation method, the corner sample molds with various shapes can be made, the antique brick carving corner mold is divided into three parts, and can be detachably connected with bolts, so that convenience is provided for one-time casting forming after placing adaptive steel bar in a mold cavity in advance; and the right-angle supporting frame and the silica gel layer are separated through dismounting the bolts after beingaired, the demolding can be achieved, and operation is more convenient. The construction strength is increased due to the fact that the steel bar and casting one-time forming are added in corner products, and meanwhile, the appearance of the finished product is improved, and the corner finished products are seamlessly connected.

The invention discloses a lower hinge capable of adjusting a height of a door body. The lower hinge comprises a hinge plate; the hinge plate is provided with a hinge shaft, a door closer module and anadjusting nut; the hinge shaft is arranged on the hinge plate; the adjusting nut is in threaded sleeving on a thread adjusting section at the middle section of the hinge shaft; the door closer modulesleeves the hinge shaft through a mounting hole; the upper section of the adjusting nut is positioned in the mounting hole of the door closer module; a chassis at the bottom of the adjusting nut is positioned between the door closer module and the hinge plate; the door closer module is supported by dint of the adjusting nut; the door body on the upper side is supported through the door closer module; and through rotation of the adjusting nut, the adjusting nut can be driven to move up and down along the thread adjusting section of the hinge shaft, so that the door closer module is driven to move up and down to realize the height position adjustment of the door body. Compared with the prior art, the lower hinge has the following advantages: the height of the door body can be conveniently and quickly adjusted to solve the problem of difficult surfaces of the door body.