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116 results about "Index mapping" patented technology
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Index mapping (or direct addressing, or a trivial hash function) in computer science describes using an array, in which each position corresponds to a key in the universe of possible values. The technique is most effective when the universe of keys is reasonably small, such that allocating an array with one position for every possible key is affordable. Its effectiveness comes from the fact that an arbitrary position in an array can be examined in constant time.
Method and apparatus for encoding/decoding video in intra prediction mode
ActiveUS20140126629A1Improve video encoding/decoding efficiencyImprove efficiencyColor television with pulse code modulationColor television with bandwidth reductionIndex mappingVideo encoding
Provided is a method for decoding video, which performs prediction in an intra mode. The method for decoding video according to the invention comprises steps of: creating a current table index using a code number and MPM index information; and deriving a current prediction mode by adopting an index mapping table in the current table index. According to the present invention, video encoding / decoding efficiency can be improved.
Owner:LG ELECTRONICS INC
Method and apparatus for encoding/decoding video in intra prediction mode
Provided is a method for decoding video, which performs prediction in an intra mode. The method for decoding video according to the invention comprises steps of: creating a current table index using a code number and MPM index information; and deriving a current prediction mode by adopting an index mapping table in the current table index. According to the present invention, video encoding / decoding efficiency can be improved.
Owner:LG ELECTRONICS INC
Arrangement And Method Relating To Load Distribution
InactiveUS20110138046A1Easy to handleProvides redundancyDigital computer detailsSecuring communicationIndex mappingCommunications system
The present invention relates to an arrangement adapted to be provided in a server node (50) in a communication system, handling a large number of clients, comprising a number of interface boards (201, 202, 203) handling one or more protocols for communication with different nodes and a number of processing means (101, . . . ,106) adapted to serve a plurality of clients which may use a number of different types of identities when addressing the server node (500). It comprises load distribution control means adapted to handle clients using at least two different categories of addressing identities separately, and to distribute the clients to processing means (101, . . . ,106), and being adapted to provide a number of load index values (LI1LI36), exceeding the number of processing means, and load index mapping means mapping between load index values and processing means in a load index mapping table (30, 301, 302, 303, 3011-3016). It is further adapted to distribute mapping tables or to substantially each interface board (201,202,203) and each processing means (101, . . . ,106), and first mapping means comprising mapping algorithm (211,212,213) handling clients or subscribers using a first category of identity comprising a for the server node normal identity e.g. generated externally, said mapping algorithm being adapted to establish a load index value (LI1) for an incoming message using said firs.t category of identity, and second mapping means (221,222,223) comprising a second mapping algorithm for mapping second category or internally generated identities to respective load index values such that a client will be handled by the processing means (101, . . . ,106) mapped to the corresponding, established load index value.
Owner:TELEFON AB LM ERICSSON (PUBL)
System and method for mapping an index into an IPv6 address
InactiveUS7609689B1Easy to processData switching by path configurationMultiple digital computer combinationsInformation repositoryInternet Protocol
A system and method maps Virtual Local Area Network (VLAN) designations to Internet Protocol version 6 (IPv6) site identifiers (IDs), and embeds site IDs into scoped internet addresses in such a way as to facilitate processing by primarily hardware-oriented forwarding tables. A router has a plurality of interfaces for receiving and forwarding packets, and a route processor for making forwarding decisions for received packets. The route processor includes a routing engine, a routing table, a forwarding information base (FIB), a VLAN store and a site ID store. At least some of the router's interfaces are associated with corresponding VLAN IDs, and the site ID store is preconfigured with a mapping of VLAN IDs to site IDs. For IPv6 packets with link-local unicast destination addresses, embedding the VLAN ID associated with the inbound interface into the address, while for packets with site-local unicast destination addresses, using the retrieved VLAN ID as an index to obtain the corresponding site ID, which is then embedded into the address. The modified destination address is then applied to the FIB, which is a forwarding table optimized to permit fast lookups, to derive the outbound interface from which the packet is to be forwarded to reach the destination entity.
Owner:CISCO TECH INC
Dynamic Determination of Optimal Spatial Index Mapping to Processor Thread Resources
By mapping leaf nodes of a spatial index to processing elements, efficient distribution of workload in an image processing system may be achieved. In addition, processing elements may use a thread table to redistribute workload from processing elements which are experiencing an increased workload to processing elements which may be idle. Furthermore, the workload experienced by processing elements may be monitored in order to determine if workload is balanced. Periodically the leaf nodes for which processing elements are responsible may be remapped in response to a detected imbalance in workload. By monitoring the workload experienced by the processing elements and remapping leaf nodes to different processing elements in response to unbalanced workload, efficient distribution of workload may be maintained. Efficient distribution of workload may improve the performance of the image processing system.
Owner:IBM CORP
Space-code two-dimensional index modulation wireless communication system and method
InactiveCN106788636AReduced mapping constellation diagram dimensionsReduce consumptionRadio transmissionIndex mappingCommunications system
The invention discloses a space-code two-dimensional index modulation wireless communication system and method, and belongs to the technical field of wireless communication. According to a space-code two-dimensional index modulation scheme, two kinds of index resources are adopted for participating in indexing; a space index is combined with a code index; a transmission end is used for splitting an in-phase component and an orthogonal component of a baseband modulation symbol through a multi-antenna communication system mapped by the two-dimensional index; an orthogonal mapping way is adopted; independent index mapping is performed; a PN code required by current component frequency spread and an activated antenna are selected separately. When a receiving end detects information through a detection algorithm in an estimation way, information detection is performed according to an in-phase branch and an orthogonal branch of a signal. By adopting the space-code two-dimensional index modulation wireless communication system and method, a space modulation antenna indexing way is combined with a code index modulation indexing way, and an orthogonal mapping way is adopted, so that an antenna index and a code index are reutilized repeatedly, and information bits transmitted by index mapping are improved. The system frequency spectrum efficiency is increased, and the consumption of index resources is lowered.
Owner:CHONGQING LINFEI ELECTRONICS TECH CO LTD
Differential chaos shift keying modem and modulation method based on two-path index modulation
ActiveCN108365945AReduce usageIncreased bit rateSecuring communication by chaotic signalsMultiple carrier systemsFrequency spectrumModem device
The invention discloses a differential chaos shift keying modem and a differential chaos shift keying modulation method based on two-path index modulation, and relates to the technical field of chaoscommunication. A two-path index modulation method is used for transmitting a chaos reference signal and a Hilbert reference signal orthorhombic with each other, and an index mapping rule and an inverted index mapping rule are used for modulating and demodulating the signals. According to the modulation method provided by the invention, delay units are used in a transmitting terminal and a receiving terminal; compared with an existing carrier-index differential chaos shift keying (CI-DCSK) technology, under the premise of occupying a same frequency band, the method synchronously transmits two information signals, so that a bit transmission rate of the system is doubled; in addition, the higher spectrum utilization rate and better data security are achieved, and the method provided by the invention is reduced in bit error rate (BER), and shows better bit error rate performance, and the advantages of the BER performance becomes more significant along with the increasing of a bit signal tonoise ratio.
Owner:NANJING UNIV OF POSTS & TELECOMM
Automatic supplier sourcing
The present invention automates the process by which requests for quotation are generated by manufacturers to suppliers. An RFQ engine resides on a manufacturers computer system and is used to generate a request for quotation (RFQ) template. The template describes the service or goods to be supplied by the suppliers. When the RFQ template is finalized, it is saved in a pre-designated storage space on the manufacturer's computer system and is indexed on an RFQ index mapping which is accessible by suppliers.
Owner:MICROSOFT TECH LICENSING LLC
Method and device for reserving and index-mapping dynamic physical uplink control channel resources
The invention discloses a method for reserving and index-mapping dynamic physical uplink control channel (PUCCH) resources, which comprises the steps of: dividing the dynamic PUCCH resources required by each downlink component carrier into a plurality of sub-blocks; collocating the size of the dynamic PUCCH resource corresponding to a first sub-block of each downlink component carrier to be greater than or equal to the size of the dynamic PUCCH resource required by an LTE (Long Term Evolution) Rel-8 terminal so as to locate the dynamic PUCCH resource required by the LTE Rel-8 terminal in the first sub-block of the downlink component carrier; mapping and arranging each sub-block in a cross mode according to the index of the downlink component carrier; and calculating the index of the dynamic PUCCH resource corresponding to an i+1th downlink component carrier according to a first control channel unit index of a physical downlink control channel corresponding to the i+1th downlink component carrier on the basis of the allocation. The invention also discloses a device for reserving and index-mapping the dynamic PUCCH resources.
Owner:HUAWEI TEHCHNOLOGIES CO LTD
Systems and methods for time/frequency indexed pulse calibrations for vector network analyzers
A method for measuring scattering parameters in a device under test (DUT) using a vector network analyzer (VNA), includes calibrating the VNA to generate corrections for deterministic setup defects and mapping a plurality of error terms based on a plurality of time indices, wherein each time indicia is associated with an error term. A test signal is transmitted to the DUT to obtain a measurement signal from the DUT in response to the test signal. The generated corrections to obtained measurements are time aligned based on the mapped error terms.
Owner:ANRITSU CO
Electric system load dynamic characteristic classifying method based on characteristic mapping
InactiveCN103177188AImprove classification efficiencyReduce computing timeSpecial data processing applicationsIndex mappingLoad model
The invention discloses an electric system load dynamic characteristic classifying method based on characteristic mapping. The electric system load dynamic characteristic classifying method comprises the steps of (1) carrying out load modeling on disturbance data, (2) confirming mapping of load dynamic characteristic classifying characteristic quantity, (3) calculating an association degree between data of a modeling group and data of a training group, (4) estimating a load model parameter of each datum in the training group, (5) correcting index mapping in a self-adapting mode, and (6) classifying load dynamic characteristics. According to the electric system load dynamic characteristic classifying method based on the characteristic mapping, a classifying characteristic quantity mapping data table is formed through the preexisting voltage disturbance data in a load modeling platform so that the load dynamic characteristics can be rapidly classified, and the electric system load dynamic characteristic classifying method based on the characteristic mapping is beneficial for solving the problem of time-varying characteristics during a load modeling process.
Owner:SOUTHEAST UNIV
A power grid timing sequence large data parallel loading method
ActiveCN104407879AAvoid bottlenecks affecting loading performanceImprove loading timeProgram loading/initiatingIndex mappingPresent method
The present invention discloses a power grid timing sequence large data parallel loading method, to solve the problem, i.e., waiting phenomena occurs due to failing in parallel loading when multiple clients parallel loads an abundant amount of historical timing sequence data. By partitioning an index mapping table, the present invention performs partitioning preprocessing on a historical timing sequence data storage table according to the size of the amount of data to be loaded, and performs the processing of maintaining data locality of the abundant amount of historical timing sequence data to be loaded according to the range of the partition of the historical timing sequence data storage table distributed on each data node. After the abovementioned processes, disk IO conflicts and the network communication overheads between different nodes of the cluster encountered by the multiple clients when reading the index mapping data file can be effectively reduced when parallel loading the abundant amount of historical timing sequence data, therefore, performance issues caused by overload when loading the abundant amount of historical timing sequence data by a single node. The present method can fully use the distributed parallel processing ability to greatly reduce the time for loading the abundant amount of historical timing sequence data.
Owner:CHINA REALTIME DATABASE
Precoding matrix index reporting and precoding processing method, system and apparatus thereof
The embodiment of the invention discloses a precoding matrix index reporting and precoding processing method, a system and an apparatus thereof and relates to the wireless communication technology field. The method, the system and the apparatus are used to save resource costs occupied by a terminal which reports the precoding matrix. The method is characterized in that: the terminal determines an antenna port number and a precoding matrix index table corresponding to a rank indication (RI) value; the terminal acquires a mapping relation between a compressed code word index and an original code word index and selects precoding matrixes corresponding to the original code word index which is mapped by the compressed code word index to be the current available precoding matrixes; one precoding matrix is selected from the current available precoding matrixes and the compressed code word index corresponding to the precoding matrix is determined; the compressed code word index is reported to a base station, wherein a bit number used by the reporting is not greater than the bit number which can express the precoding matrixes corresponding to all the compressed code word indexes which are comprised by the mapping relation. By using the method, the system and the apparatus of the invention, the resource costs occupied by the terminal which reports the precoding matrixes can be saved.
Owner:DATANG MOBILE COMM EQUIP CO LTD
Navigation information prompting method and device based on line
InactiveCN102749087AReduce couplingInstruments for road network navigationTime informationIndex mapping
The invention discloses a navigation information prompting method and device based on a line. The method comprises the following steps of: 1) respectively carrying out same road matching to each real-time information road section coding schedule which represents road condition and event information and the road section coding schedule of each road section in navigation map data in advance; 2) uniformly compiling the road section coding schedule of real-time information road condition and the event information into a self-defined index; 3) building an index mapping table of a direct corresponding relationship for the road section coding schedule in the map data and the self-defined index compiled in step 2); 4) according to the road section coding schedule of a line selected by a user in the map data, inquiring the index mapping table in step 3) to obtain an index for representing the real-time information of the corresponding line; and 5) according to the index obtained in step 4), obtaining the real-time information of the corresponding line, and showing to the user in a user interface (UI) widget mode.
Owner:BEIJING CHANGYIXING TECH
Prediction method and device for user perception index
ActiveCN105554782AAccurate perceptionImprove perceptionWireless communicationIndex mappingUser perception
The invention provides a prediction method and device for a user perception index. The method comprises the steps: collecting the current data related with user perception; gathering all current KPI indexes of a to-be-predicted business from the current data related with user perception; classifying all the current KPI indexes, so as to obtain a plurality of groups of current KQI indexes; inputting the plurality of groups of current KQI indexes into an optimized KQI index and user perception QoE index mapping model, and predicting a QoE index of the to-be-predicted business. The method achieves more accurate prediction of the user perception index, employs an active prediction model, improves the locating efficiency of a problem point in the business, enables the locating efficiency of the problem point in the business to be more accurate, and improves the user perception.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
Method and system for compressing a continuous data flow in real-time using cluster successive approximation multi-stage vector quantization (SAMVQ)
InactiveUS7551785B2Increase the compression ratioReduce Image ArtifactsImage codingCharacter and pattern recognitionImaging qualityMultidimensional data
Owner:CANADIAN SPACE AGENCY
BCIM-based 3D-HEVC rapid intra-frame predication scheme
The invention discloses a BCIM-based 3D-HEVC rapid intra-frame predication method. The BCIM-based 3D-HEVC rapid intra-frame predication method comprises the following steps of: inputting a 3D video stream containing a video image and a depth image; carrying out a histogram analysis on the depth image, and acquiring a plurality of main pixels and the quantity of the plurality of main pixels on the basis of the histogram analysis; processing the plurality of main pixels by a threshold segmentation method so as to obtain a basic pixel value; carrying out index mapping on the depth image by virtue of a lookup table on the basis of the basic pixel value; re-mapping the image after being subjected to the index mapping processing on the basis of a multi-context mode; carrying out entropy coding on the re-mapped image.
Owner:常州横塘科技产业有限公司
A privacy protection query method based on Voronoi polygons and Hilbert curve coding
ActiveCN107169372AImprove protectionImprove work efficiencyDigital data protectionSpecial data processing applicationsIndex mappingPrivacy protection
The invention relates to a privacy protection query method based on Voronoi polygons and Hilbert curve coding. The method comprises the steps that a server end performs Voronoi polygon partitioning on a plane where a target object is located, performs partitioning coding by using the Hilbert curve, and establishes a B+ tree index mapping the Hilbert cell coding and Voronoi polygons; a user submits a Hilbert curve coding value H (p) of a self-position p to the server via a client for k-neighbor query; the server end searches for a Voronoi polygon C corresponding to the H(p) on the query tree to generate the minimum enclosing rectangle R of C; the server end searches for k-1 neighbor Voronoi polygons of R, forms Hilbert curve coding values corresponding to the Voronoi polygons into a candidate query result set CaS and returns the result to the client; the user decodes the Hilbert curve coding values in the CaS to screen out the nearest neighbor target object. The method achieves k-neighbor query for protecting position privacy.
Owner:SOUTHEAST UNIV
System and Method of Control of Apparatuses
A computing device that displays graphic user interface (GUI) icons that represent index mapping of one or more functions of a firmware of a programmable apparatus, enabling transmission of a command as a command control signal packet to control the programmable apparatus by selection of any GUI icon.
Owner:PQJ
Structural damage index mapping system and method
InactiveUS20120330570A1Smooth image contourEliminate small islandAnalysing solids using sonic/ultrasonic/infrasonic wavesSpecial data processing applicationsIndex mappingBaseline data
A system and method for detecting and evaluating structural defects are provided. Baseline data representative of sensed ultrasonic waves that were transmitting into a structure with no defects are stored. Ultrasonic waves are transmitted into the structure from a plurality of actuators that are coupled to the structure. The ultrasonic waves that are transmitted into the structure from the plurality of actuators are sensed, with a plurality of sensors that are coupled to the structure and spaced apart from the actuators, to thereby generate and supply sensor data. Signal difference coefficients are calculated from the baseline data and the sensor data. The calculated signal difference coefficients are spatially mapped to detect one or more structural defects in the structure.
Owner:HONEYWELL INT INC
Time-varying network community evolution visualization method introducing quantitative index
ActiveCN105654387AEnsure layout stabilityImprove readabilityData processing applicationsNODALIndex mapping
The invention relates to the information visualization field and especially relates to a visualization method capable of reflecting community evolution in a time-varying network. Time-varying community division of the time-varying network is acquired. Global layout is performed on an abstract community network and a time-varying centripetal force is introduced so that an unstable community is close to a layout center and mapping of a community position and a time-varying characteristic is realized. A stability index is used to limit gravitation and a repulsive force in a gravitation model so as to guarantee layout stability and ensure a community layout position. Layout is performed on nodes in each community and node changes of a time-varying community in adjacent time slices are embodied. A concentric circular ring is used as a visual background and readability of the community position and stability quantification index mapping information is enhanced.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
Interleaved mapping method and apparatus for accessing memory
InactiveUS20050240750A1Memory adressing/allocation/relocationMicro-instruction address formationComputer hardwareIndex mapping
This invention provides a method for accessing memory. The method includes, generating a block index for a block of data, mapping the block index to a physical address of a memory based on the block index and a number N, wherein N is bank number of the memory, storing the block of data into the memory at the physical address, and repeating from the generating step, wherein the mapping step makes each one of the block indexes map in turns to one physical address located at different banks, and result in any logical adjacent block of data be stored physically at different banks of the memory.
Owner:TIAN HLDG
Method and Apparatus for FIR Filtering Using Space-Varying Rotation
InactiveUS20100322530A1Reduce complexityGeometric image transformationCharacter and pattern recognitionFinite impulse responseIndex mapping
A method and apparatus for finite impulse response (FIR) filter bank architecture and method that involve low-complexity computation resources are described. In one embodiment, a digital image processing system includes an index mapping module to determine a rotation angle index to control rotation of an input patch of an image based on the (x,y) pixel coordinates of the image patch. The digital image processing system may also include a rotation module to rotate the input patch of the image based on the rotation angle index. In one embodiment, the digital image processing system may further include a filter engine module applied to a rotated version of the input patch of the image.
Owner:RICOH KK
Method supporting index creation in various modes
InactiveCN104216966ASolving Unified Search ProblemsImprove the ability of real-time indexingRelational databasesSpecial data processing applicationsEngineeringTime data
The invention discloses a method supporting index creation in various modes. The method comprises the following concrete realization processes of configuring a unified index model, and deploying and installing a search engine server cluster; configuring database and index mapping; configuring HBASE and index mapping; configuring a structured document import script; configuring a non-structured document import script; creating a message queue, and creating indexes through the message queue in real time; searching data transmitted from an engine cluster pair, carrying out word segmentation and filtering treatment, and storing processing results in HDFS; and carrying out relevant retrieval according to input keywords. Compared with the prior art, the method supporting index creation in various modes has the advantages that the problem of unified retrieval of data from different sources and in different formats can be solved, the real-time data indexing capability is improved, the collecting and integrating capability on mass data is enhanced, the retrieval efficiency on the mass data is greatly improved, and the practicability is high.
Owner:INSPUR SOFTWARE CO LTD
Dynamic determination of optimal spatial index mapping to processor thread resources
By mapping leaf nodes of a spatial index to processing elements, efficient distribution of workload in an image processing system may be achieved. In addition, processing elements may use a thread table to redistribute workload from processing elements which are experiencing an increased workload to processing elements which may be idle. Furthermore, the workload experienced by processing elements may be monitored in order to determine if workload is balanced. Periodically the leaf nodes for which processing elements are responsible may be remapped in response to a detected imbalance in workload. By monitoring the workload experienced by the processing elements and remapping leaf nodes to different processing elements in response to unbalanced workload, efficient distribution of workload may be maintained. Efficient distribution of workload may improve the performance of the image processing system.
Owner:IBM CORP
Method and system for verifying files for garbage collection
According to one embodiment, fingerprints of segment trees are scanned, each segment tree representing one of the files in a filesystem namespace. For each of the fingerprints representing a segment, setting a corresponding bit in a live reference vector (LRV) to indicate that the segment has been referenced by a file in the filesystem namespace. A file index mapping fingerprints to storage locations of segments is scanned, including, for each fingerprint found in the file index, setting a corresponding bit in a live index vector (LIV) to indicate that the fingerprint exists in the file index. The LR vector and the LI vector are compared to determine whether there is any mismatch. A garbage collection operation is performed in response to determining that the LR vector and the LI vector are matched.
Owner:EMC IP HLDG CO LLC
High dynamic range compression method via adaptive exponential mapping
The related compressing method for image with dynamic range comprises: compressing the image with adaptive index mapping to reserve details, cutting off the end area with small pixel density to reserve contrast, and calculating color weight after compressing. Compared with prior art, this invention improves speed and fit to full auto or manual operation.
Owner:PEKING UNIV
Method and device for image processing
ActiveCN103390260AImprove processing efficiencySmall memory capacityImage data processing detailsAnimationIndex mappingImaging processing
The invention discloses a method and device for image processing. The method comprises the following steps: (1) reading an image file, and setting an index of a current frame to be drawn in a mapping image file; (2) acquiring the current frame to be drawn mapped by the index and performing decoding, obtaining information of all pixel points in the current frame to be drawn, caching the information to a preset first image cache in an internal storage; (3) emptying the image cache where the previous frame is located, wherein the previous frame is the previous frame of the current frame to be drawn, and caching the current frame to be drawn after drawn into the empty image cache according to the configuration properties of the current frame to be drawn and the pixel point information in the first image cache; (4) triggering the drawn frame to be drawn to a graphical interface to be displayed, and updating the set index. By the application of the method and device, the memory capacity which is required for caching images can be reduced, and processing efficiency is improved.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Boost assist metadata tables for persistent memory device updates during a hardware fault
A method and data processing device for enabling a write operation to track meta-data changes during a hardware fault in an information handling system (IHS). The method includes generating an indexing map to track memory space attributes of a persistent memory device. The method includes generating a subsequent indexing map that is a duplicate of a first indexing map. The method includes communicatively linking each of the indexing maps. The method includes distributing a subsequent indexing map to one or more memory devices. In response to detection of an update to meta-data associated during a hardware fault, the method includes identifying an indexing map that is stored on a writeable memory device. In response to detection of the hardware fault the method includes writing memory space attributes to the writeable indexing map. The method includes synchronizing a master indexing map to each other indexing map to coordinate changes to the memory space attributes.
Owner:DELL PROD LP
Structural damage index mapping system and method
A system and method for detecting and evaluating structural defects are provided. Baseline data representative of sensed ultrasonic waves that were transmitting into a structure with no defects are stored. Ultrasonic waves are transmitted into the structure from a plurality of actuators that are coupled to the structure. The ultrasonic waves that are transmitted into the structure from the plurality of actuators are sensed, with a plurality of sensors that are coupled to the structure and spaced apart from the actuators, to thereby generate and supply sensor data. Signal difference coefficients are calculated from the baseline data and the sensor data. The calculated signal difference coefficients are spatially mapped to detect one or more structural defects in the structure.
Owner:HONEYWELL INT INC
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