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116 results about "Sequence ID" patented technology

Sequence Identifiers. Many sequences have two types of identification numbers, GI and VERSION.The two identifier types differ in format , and were implemented at different times. GI numbers. A GI number (for GenInfo Identifier, sometimes written in lower case, " gi") is a simple series of digits that are assigned consecutively to each sequence record processed by NCBI.

Method and apparatus for operating resources under control of a security module or other secure processor

A method and apparatus for operating a set of resources under the control of a secure processor, e.g. security module, having a command authentication means and a command execution means, to achieve secure control of the resources. The secure processor stores a set of command primitives for functional control of the resources. A set of defined commands for invoking command primitives has either a secured command format including a command sequence ID, a command code, and a set of command data items or a non-secured command format including a command code and a set of command data items. The secure processor stores a command set up table including command type flags to designate each command as a secured command or a non-secured command. An application program running in an external device includes a plurality of the defined commands in either secured command format or the non-secured command format and these are sent one at a time to the secure processor for execution. The secure processor looks up each received command in the command set up table, and if the command is a non-secured command it immediately executes associated command primitives. If the command is a secured command, the secure processor tests both its authenticity and regularity and only executes the associated command primitives if the command passes both tests.
Owner:HEWLETT PACKARD DEV CO LP

Multi-rotor drone autonomous landing method based on monocular vision and fuzzy control

InactiveCN109885084AHigh accuracy of pose detectionLarge detection distance rangePosition/course control in three dimensionsAdaptive controlMathematical modelSequence ID
The invention discloses a multi-rotor drone autonomous landing method based on monocular vision and fuzzy control. A landing gear printed with a two-dimensional code identifier is deployed in a targetlanding area of the drone, the drone returns to the vicinity of the target area by means of GPS navigation and searches and detects the identifier based on the monocular visual information to obtainan identifier relative spatial pose and a two-dimensional code identifier sequence ID value. Based on the fuzzy control method and visual image feedback information, autonomous landing planning and control is carried out for the drone. In order to ensure the safety in the narrow takeoff and landing space, the inverted cone safety area is designed as the space position constraint of the drone landing. The drone is smoothly and safely landed on the landing gear where the target identifier is located in a smooth and efficient manner. The method overcomes the defect that the landing accuracy is insufficient due to the GPS positioning alone, has low cost, overcomes the problem of overshoot and relying on the accurate mathematical model common in PID control by fuzzy control, is safe and reliable in flight area and convenient in application, and has important engineering value.
Owner:NANKAI UNIV

Time shifting optimization method and system based on HLS protocol

The invention discloses a time shifting optimization method and system based on the HLS protocol, and relates to the field of Internet multimedia. The method includes the following steps: starting from a preset time point, with a media segment time length with a fixed length as a fragment length, counting a fragment sequence ID of each streaming media fragment; storing all streaming media fragments within a time shifting range, grouping the streaming media fragments, dividing every continuous N streaming media fragments into one group, wherein each group of streaming media fragments forms a time shifting index file; causing an HLS live broadcast program into a time shifting state by a client via a broadcast control operation, adding time shifting additional information on the address of the live broadcast index file, and sending the time shifting index file to an HTTP streaming media server; analyzing, by the HTTP streaming media server, the time shifting additional information, and sending the corresponding time shifting index file to the client; and requesting and playing, by the client, the received streaming media fragments. By adoption of the time shifting optimization methodand system, the bandwidth and time consumed by the transmission of the time shifting index file are reduced, which is conducive to improving the playing speed.
Owner:FENGHUO COMM SCI & TECH CO LTD

Identifier generation method, system and device based on distributed system and medium

The invention provides an identifier generation method, system and device based on a distributed system and a medium, and the method comprises the steps: obtaining one or more identifier generation requests, and enabling the identifier generation requests to comprise a business KEY value; detecting whether the number of the remaining identifiers in the current cache meets the requirements of the identifier generation request or not; when the number of the remaining identifiers in the cache meets the requirement of an identifier generation request, returning the identifiers to a requester; whenthe number of the remaining identifiers in the cache does not meet the requirement of an identifier generation request, calling a Redis INCR instruction to generate an identifier, and returning the identifier to the cache to meet the identifier generation request; and obtaining the maximum value of the sequence by utilizing the Redis INCR, reversely calculating the initial values to be sequentially increased or decreased to generate identifiers, and determining the generation quantity of the identifiers according to the quantity of the remaining identifiers in the cache and the requirements of identifier generation requests. According to the invention, the identifier generation efficiency is improved; the ID repetition phenomenon is avoided through the sequence IDs generated in sequence,and subsequent capacity expansion is facilitated.
Owner:重庆紫光华山智安科技有限公司

Spatial-contiguity-considered vector space data coding method

ActiveCN106649425AConsider spatial proximityAvoid repetitionSpecial data processing applicationsPoint objectHyperrectangle
The invention discloses a spatial-contiguity-considered vector space data coding method. The spatial-contiguity-considered vector space data coding method includes the steps that whether a given object P is a point object or not is judged; if the space object P is a non-point object, the maximum order k where a grid capable of completely containing a minimum external-containing hyperrectangle is obtained through calculation, and then k+1 pieces of ZG(P)<j*> from the zero order to the k order are calculated, wherein ZG(P)<j*> represents the coded value of the space object P in the j* order; the k+1 pieces of ZG(P)<j*> are coded according to the coding rule of a space filling curve, and Geocode(f.geometry)* is obtained; then coding is carried out according to the formula that Rowkey(f)* is equal to the sum of Geocode(f.geometry)* and FID(f)*. Based on the layered coding of the space filling curve, in the same space division, different space objects have same prefix codes, then unique sequence ID values are added to serve as postfix codes, the space proximity of the vector space objects is considered, and Rowkey can also be prevented from being repeated. In this way, Rowkey has the features of a spatial index, and direct spatial querying in a database becomes possible.
Owner:武汉兆图科技有限公司
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