323results about How to "Reduce processing workload" patented technology

The present invention relates to improved ophthalmic diagnostic measurement or treatment methods or devices, that make use of a combination of a high speed eye tracking device, measuring fast translation or saccadic motion of the eye, and an eye position measurement device, determining multiple dimensions of eye position or other components of eye, relative to an ophthalmic diagnostic or treatment instrument.

A device (110) for processing audio data (106) for a multi channel audio playback system (100), comprises an identification unit (115), an extraction unit (120), and an averaging unit (125). The identification unit identifies segments of the audio data (106) related to a selected one of the channels (101 to 103) and belonging to a reference audio class. The extraction unit (120) extracts an audio property of the identified segments. The averaging unit (125) estimates an average value over a predetermined time period of the audio property of the channel (101) based on the extracted audio property of the identified segments.

A home gateway apparatus is connected to a DNS server that stores and manages telephone numbers and an external NAPTR record corresponding to each telephone number. The home gateway apparatus also includes and mutually connects a plurality of internal terminals. The home gateway apparatus includes an NAPTR record generator that generates an internal NAPTR record of all internal terminals; an internal NAPTR memory area that stores the generated internal NAPTR record; an external NAPTR memory area that stores an external NAPTR record, which is selected from the internal NAPTR record to be allowed to be disclosed to the DNS server; and a self NAPTR record notification unit that notifies the DNS server of the external NAPTR record so that the DNS server can register the external NAPTR record in association with a telephone number.

The invention discloses a method for acquiring an access path. A background service system of the method for acquiring the access path stores different types of equipment information. The method comprises the following steps: when an input service request is detected, acquiring a service request and network topology information, determining the starting point and end point of the access path according to the service request and the network topology information; judging whether next hop equipment exists or not according to the starting point and different types of equipment information; if so,selecting a corresponding routing algorithm according to the information of next hop equipment routing and policy to query the path; performing loop checkup based on the information of next hop equipment routing and policy until the end point of the determined access path is queried to generate an access path which meets the service request; and constructing a network topology corresponding to theaccess path according to the routing and policy information and the equipment information. The invention also discloses a corresponding device to effectively improve the efficiency of enterprise security service management, lower the labor cost and improve the efficiency of network management and maintenance.

The invention discloses a hollow shaft and a manufacturing method thereof. The method includes the steps of step a, manufacturing a tubular blank in a forging or casting mode to obtain blank materials, step b, carrying out heat treatment on the blank materials, step c, machining the blank materials after heat treatment so as to form a semi-finished product with the same shape and size as the hollow shaft, and step d, carrying out surface treatment on the semi-finished product to obtain the hollow shaft. According to the hollow shaft and the manufacturing method thereof, the tubular blank is used for manufacturing the hollow shaft, due to the fact that the blank is provided with a central through hole, raw materials are saved, and machining workload in subsequent links is reduced.

The invention provides a household appliance linkage method and device and an intelligent housing system. The process, executed on a control server, of the household appliance linkage method includes the steps that on the basis of modification of position attributes of a movable household appliance, it is determined that position information of the movable household appliance changes; on the condition that new position information formed after the movable household appliance changes falls into a movable range, set by a position server, of the movable household appliance, relative household appliances are controlled to execute corresponding linkage operation, and effective linkage operation of the relative household appliances is achieved when the position of the movable household appliance changes.

The invention discloses a novel water-saving water closet pan and mainly relates to the technical field of water closet pans. As for pedestal pans and squatting pans in modern urban families and public places, water consumption is high, the water waste is extremely serious, unclean flushing sometimes occurs, and unfavorable influences on public hygiene are caused. As for modern rural toilets, old open-type flushing-free toilets are dominant, environmental hygiene is extremely poor, and high water consumption of modern flushing water closet pans is greatly related to the phenomenon. A piston of the water closet pan can move relatively to a water closet pan port (the piston reaches the lower portion of the water closet pan port), human body excrement can be directly moved to a thick channel of the water closet pan to be rotated, the flushing water pressure of the water closet pan is high, therefore, a lot of water is saved, the flushing of the water closet pan is clean, a sewer is not prone to be blocked, a lower port of the water closet pan is sealed by the pistonto be isolated from outside space and a sewer lineeffects of air sealing are better than those of keeping water and sealing peculiar smell by drain traps in traditional water closet pans, meanwhile, collection and usage of human body excrement are facilitated, and the water content of the excrement is greatly reduced so that the collected substance content can be increased, and the workload is reduced.

The invention discloses a semi-automatic digital method of a non-standard map. The method comprises the following steps of: 1) scanning to obtain a grid image, and performing geographical space registration and correction and binarization; 2) establishing a linear vector layer and assigning a geographical space reference system consistent with the corrected grid image; 3) overlapping the linear vector layer on the grid image after the binarization, identifying and capturing the center lines of the lines in the grid image, automatically tracking the captured center lines of the lines in the grid image one by one, and performing line breakage and endpoint artificial judgment on each automatically tracked line, and performing vectorization to obtain a vector image; 4) performing attribute assignment, check and correction; and 5) re-establishing the topological relation of the vector image, and checking and correcting the topological errors such as overlapping and gap to obtain a vector image after digitalization. The method disclosed by the invention has the advantages of good image processing accuracy, high image processing efficiency, low processing workload, short processing period and wide application range.

The invention discloses an endoscopic image processing method and system. The method comprises the following steps: carrying out pretreatment on a plurality of images collected by an endoscope; carrying out classification on the endoscope images obtained after pretreatment according to a missing item curve graph under an HSV space, and deleting images hard to recognize, wherein the images hard torecognize are fuzzy, and are of no effect for focus judgment, so that the images hard to recognize can be deleted to reduce follow-up image processing workload; calculating image similarity, and deleting redundancy images, the similarity of which is beyond the similarity threshold, wherein the redundancy images, the similarity of which is larger, are of no effect for focus judgment, so that by deleting the redundancy images and keeping effective images, follow-up image processing workload can be reduced, image analysis processing speed is accelerated and doctor's workload is relieved; and training a focus position classifier, and recognizing images having focus through the focus position classifier and marking focus positions in the images to assist doctors to read films. The method improves efficiency of the doctors and prevents the doctors from causing false inspection and missing inspection due to too much workload.

A method for managing multicast source in mobile network includes extending the MBMS context for uniquely identifying a multicast service GGSN associated with a particular source, routing for multicast data, using multicast address ID dedicated for specific source multicast for the multicast service provided by mobile network, and adding multicast group by mobile network. When user requests multicast service, particular multicast source or target service region of multicast service can be defined. Its advantage is high efficiency of GGSN multicast.

The invention discloses a preference space Skyline query processing method based on a Spark environment. The method comprises a space Skyline query processing algorithm based on a preference functionand a space Skyline query processing algorithm based on preference priority. The method is scientific and reasonable;use is safe and convenient, the method comprises the following steps: through the effect of a space Skyline query processing algorithm based on a preference function; the spatial attributes and the non-spatial attributes of the data are integrated, and the data which does not meet the preference of any query point is filtered by utilizing the correlation, so that the size of a data set is reduced, the processing task amount is further reduced by utilizing the grid dominant relationship, and the query processing speed is increased; skyline query processing algorithm based on preference priority is used for clustering spatial data, keywords with high occurrence frequency in the class are used as text feature information of the whole class, and meanwhile, an extended R-tree index is established for spatial objects in the class; efficient space searching and filtering capabilities of the extened R-tree index are dominated and judged, so that Skyline query processing is accelerated.

The invention discloses a redundant industry Ethernet system with a message multistage filtering function and a service classification control function. The redundant industry Ethernet system is characterized by including two ways of MAC message processing units, a dual-network redundancy unit, a message filtering processing unit and a message classifying forwarding unit by means of an FPGA; the two ways of MAC message processing units are used for receiving and sending messages, and the messages are transmitted to the rear-stage dual-network redundancy unit to be processed after being received; the dual-network redundancy unit receives the messages which arrive firstly, discards the messages which arrive afterwards and transmits the messages to the message filtering processing unit; the message filtering processing unit conducts multistage filtering on the received messages and transmits the messages to the message classifying forwarding unit; the message classifying forwarding unit selects different data transmission channels according to the message types, the messages are transmitted to different CPU systems, and the different data messages are processed. According to the redundant industry Ethernet system, the processing workload of unrelated messages of the CPU systems is greatly reduced, and the stability and reliability of operation of the whole system are ensured.

A welding method for U-shaped ribs of an orthotropic deck plate of a bridge girder comprises the following steps that: 1) bevels are formed at the outer sides of the U-shaped ribs, each truncated edge P is 1-3mm, and the angle alpha of each bevel is 45-55 degrees; 2) the U-shaped ribs are longitudinally arranged on the deck plate and are positioned on the deck plate; 3) the deck plate is fixed on a reversible deformation jig frame, and the reversible deformation angle is 0.3-0.45 degrees; and 4) the U-shaped ribs are wholly welded on the deck plate through a solid welding wire argon-riched shielded welding process. According to the welding method, the defects in the prior art can be overcome, and the welding method has the advantages that the safety and the reliability are good, the efficiency is high, the cost is low, etc.

The invention belongs to the technical field of motor controllers and relates to a liquid-cooled motor controller. The motor controller is characterized in that a circuit board of a motor controller, which contains power devices, is supported in a closed metal box in an insulating manner; insulating and heat conducting liquid is filled in the metal box; heat expansion space of the liquid is arranged between the inner wall of the metal box and the liquid; and a lead connected with the motor controller is led out of the metal box in an insulating and sealing manner. The motor controller has the following advantages: the motor controller adopts the liquid to conduct heat outwards, has high heat transfer efficiency, high heat dissipation speed, good insulating property and long service life, and is suitable for manufacturing motor controllers with high reliability.

The present invention is centrifugal sintering method and apparatus for making super hard material grinding wheel with metal adhesive. The centrifugal sintering method is that under heating condition, the mold is made to rotate at high speed so that the mixed material inside the mold is heat pressurized and sintered under the action of centrifugal force. The centrifugal sintering apparatus includes one heater and one centrifugal machine, the heater is an inducing heater or a resistive heater, and the centrifugal machine includes a support and a machine seat with protecting cover, main rotating shaft mechanism and mold inside the heating element of the heater. The present invention realizes centrifugally pressurized sintering, and has raised axial density homogeneity of the super hard material grinding wheel.

In a crowded representation of a virtual three dimensional space defined in terms of voxels, an object of interest will often be occluded by one or more objects of varying densities between the virtual camera defining the user's point of view, and the object of interest. To automatically identify an optimal camera position, an number of candidate positions are considered, for example situated at the vertices of a regular polyhedron centred on the object of interest. For each of these candidate positions, a ray is cast towards the object of interest, and the occlusion for each intervening voxel is determined as the product of that voxel's density, and a density transfer function. The virtual camera position corresponding to the least occluded path is then selected as the new point of view.

The invention discloses an efficient method for quality tracing of a multilayer PCB. The method includes the steps of distributing two-dimensional codes for each core plate in a cutting process, converting the two-dimensional codes into aperture array codes and drilling the aperture array codes in the corresponding core plates; in a press fit process, reading the aperture array codes on each coreplate, combining all the read aperture array codes to generate corresponding two-dimensional codes, and converting the corresponding two-dimensional codes into aperture array codes and then drilling the aperture array codes in the multilayer board; after a solder resist process, reading the aperture array codes on the multilayer board, and converting the aperture array codes into corresponding two-dimensional codes and drilling the two-dimensional codes in the multilayer board. A method for conversion from a two-dimensional code to an aperture array code includes the steps of converting the two-dimensional code into a binary form with a m * m specification, and dividing the binary form into at least two parts; converting each part into an aperture array code local graph; and combining allthe obtained aperture array code local graphs into a complete aperture array code graph, and finally forming the aperture array code on the PCB. According to the efficient method for quality tracing of the multilayer PCB, the two-dimensional code can be converted into the aperture array code with a smaller number of apertures, the processing workload is reduced, and it is effectively ensured thattracing markers are accurately identified.

The invention provides an efficient gas extraction method for an up-and-down combined fracturing area of a broken soft low-permeability coal seam well. The method comprises the following steps that amining area main roadway or an operation roadway is formed under a coal mine, and a place is provided for construction operation and gas extraction; secondly, a group of directional long drill holes capable of covering a plurality of working surfaces of a mining area are constructed along a certain distance between a coal seam roof and a coal seam top boundary or between a coal seam floor and a coal seam bottom boundary under a coal mine; then, a roadway penetrating well communicates with the underground mining area main roadway or the operation roadway on the ground, so that a ground fracturing manifold is connected with a ground well-underground long drill hole high-pressure connecting device; and then staged fracturing construction is alternately carried out on the underground long drill hole of the coal mine through ground large-scale fracturing equipment, staged fracturing operation is mainly completed in an underground roadway, and finally grid-connected extraction is carried outthrough a special extraction pipeline for underground gas of the coal mine. According to the method, the transformation strength and the extraction effect of the underground broken soft low-permeability coal seam reservoir of the coal mine are effectively improved, and underground regionalized dead-corner-free low-cost efficient gas extraction of the coal mine is achieved.

The invention discloses an unmanned aerial vehicle video augmented reality implementation method based on a photogrammetry technology and a 3D GIS technology. The method mainly comprises the steps ofvideo frame extraction, camera calibration, aerial triangulation reconstruction, 3D GIS virtual scene establishment, sequence frame image rendering, video synthesis and the like. According to the invention, the POS data of the unmanned aerial vehicle are utilized; the accurate camera track and attitude are recovered by using a space three-adjustment method; A three-dimensional geographic scene isestablished in a 3D GIS system; The method comprises the steps of acquiring a video image, superposing various types of vector data, importing a three-dimensional model, adding a custom character label and a graphic label, realizing a blanking effect by importing a digital surface model, then acquiring a rendered image with the same visual angle as the original video frame by frame, superposing the rendered image with the original video frame by frame, and acquiring a video result containing rich information. According to the method, the processing efficiency and effect are improved, the automation degree can be greatly improved in repeated line inspection application of linear engineering, and an efficient and real technical means is provided for scheme display and on-site inspection.

In a method for synchronization of a mobile radio receiver to a base station, the received signal is sampled using oversampling, by which means sample values are obtained from different sampling phases. The oversampled signal is correlated with a local code, with sample values that are associated with a first sampling phase being processed with a frequency offset with respect to sample values that are associated with a second sampling phase.

The invention relates to full-automatic single crystal silicon rod cutting and grinding combined processing integrated equipment and an using method thereof, and the invention provides the full-automatic single crystal silicon rod cutting and grinding combined processing integrated equipment, which can process a round rod into a square rod by integrated processing of square cutting, corner grinding and surface grinding, so that the problems in the prior art can be solved effectively; the type and quantity of the equipment can be reduced, the area of a plant, the labor and logistics cost can besaved when the processing efficiency of the silicon rod is improved, the processing cost of the silicon rod is reduced and the size precision of the crystal rod is improved. The invention can make asquare cutting assembly and a grinding assembly work independently without interference, and the processing efficiency is improved; in addition, a square cutting grinding power head adopts a symmetrical layout, meanwhile double-sided machining is carried out, so the processing efficiency is doubled.