76results about How to "Narrow your query" patented technology

The invention provides a rapid intersection method for STL (stereo lithography) models of products, and belongs to the technical field of reverse engineering of products. The method is characterized in that an STL model dynamic index structure is built based on the R*-tree; the intersection range is rapidly narrowed through the intersection detection of index node bounding boxes; an intersecting triangle patch bounding box set is accurately positioned, and topological K-nearest neighbor sorting of the set is carried out; and the intersecting line sections of triangular mesh surface models in all the bounding boxes are connected in sequence, so as to rapidly extract the intersecting lines of the surface models. Examples prove that the method can effectively improve the intersection efficiency of STL surface models with intensive data and complicated shapes, and is of great significance for the clipping and splicing of the triangular mesh surface models and numerically-controlled tool path generation in reverse engineering.

The invention relates to a user identity recognition and matching method based on face recognition technology. Through user device clients, faces of users are automatically acquired to serve as face identity characteristic images which are recorded in a system server. Target user identity images shot by user devices are allowed to match the face identity characteristic images recorded in the system server and user identities corresponding to the target user identity images are determined. According to the invention, by searching the face identity characteristic images which are recorded in thesystem server and match all users in position regions where the users are located, the searching range is shortened, search speed is improved and accuracy of recognition and matching is improved.

The invention relates to a comprehensive index quantitative detection method by utilizing stride characteristics and belongs to the technical field of criminal investigation trace detection. The method comprises the following steps: splicing and preprocessing cluster-footprint pictures left on the crime scene, extracting the stride characteristic parameters, analyzing the personal characteristics through the stride characteristics, narrowing the criminal suspect range, performing combined similarity contrast with the sample data through a membership degree detection method, and finally determining the criminal suspect range. According to the method, the judgment accuracy and efficiency are improved, a convenient and accurate comprehensive index quantitative detection method by utilizing stride characteristics is provided for criminal investigation personnel, and the method is suitable for automatically extracting, analyzing, contrasting and checking the cluster-footprints left on the crime scene.

The invention provides an establishing method of a product STL model spatial index structure, which is characterized in that a product STL model data file is read first, an axial bounding box of each triangular facet is established, corresponding data node of the triangular facet is established according to the center of the axial bounding box and the radius of a circumsphere and stored in a data node sequence, each data node in the sequence is inserted in the index structure through steps such as insertion position selection, node splitting, node axial bounding box adjustment and the like, and the data node with larger volume of the axial bounding box is reinserted in the index structure to further optimize the index structure and achieve the establishment of the product STL model spatial index structure. The establishing method can establish spatial index structures of various triangular grids with complex profiles, and has the characteristics of strong stability and high query efficiency.

The invention provides a method for searching space of a triangular mesh surface model. The method comprises the following steps: first, triangular patch data expressing product surface information and a node in an index structure are both expressed into corresponding four-dimensional point objects; the four-dimensional point objects are subject to space clustering partition by selecting an insert position, realizing node split by four-dimensional clustering method, adjusting an axial bounding box of the node in the index structure and the corresponding four-dimensional point subjects, and other steps; and space clustering partition of the triangular patch in the triangular mesh surface is realized so as to establish the index structure of the triangular mesh surface model. Based on the structure, efficiency of various space searching operations of the discrete triangular mesh surface model can be improved, the speed for processing reverse engineering data of a product can be effectively improved, and stability and accuracy of a processing result is ensured.

The invention relates to the technical field of data query, and discloses a data query method and device based on a big data query engine, equipment and a medium, the method comprises the following steps: analyzing an obtained SQL query statement to obtain a corresponding query table and filtering information in the SQL query statement, then obtaining associated file information corresponding to the query table, and storing the associated file information in the SQL query statement; the method comprises the following steps: filtering SQL query statements, generating a target query table in combination with filtering information, performing matching processing on the SQL query statements, then replacing corresponding query tables in the matched SQL query statements with the target query table to obtain target SQL query statements, performing data query on the target SQL query statements through a big data query engine, and sending an obtained query result to a user side. The invention further relates to a block chain technology, and the query result is stored in the block chain. According to the method, the associated file information and the filtering conditions are added into the query statement, so that the data query range is reduced, and the data query efficiency of big data is improved.

The invention provides a dynamic index multi-target self-adaptive construction method for product reverse engineering data, and the method is characterized by comprising the following steps of firstly reading a product reverse engineering data file, constructing an axial bounding box of each space target, constructing a data node corresponding to each space target according to the center and a circumscribed radius of the axial bounding box, storing the data node into a data node sequence, inserting each data node in the sequence into an index structure through steps such as selection of an insert position, forced re-insertion, fracturing of nodes, adjustment of node axial bonding box and the like, re-inserting the data node with large size of the axial bounding box into the index structure to further optimize the index structure, and realizing the construction of the dynamic index structure of the product reverse engineering data. Due to the adoption of the method, the space index structure of different complicated product reverse engineering data can be constructed, and characteristics of low parameter dependence, strong stability and high inquiring efficiency can be realized.

The embodiment of the invention discloses a method for bonding on-line information and off-line information of merchants. According to the method, merchandise categories or service categories are preset as access paths distinguished through navigation categories, path bonding is carried out on each access path and a Chinese domain name containing the meaning of the corresponding navigation category, the Chinese domain names are used as access paths to the on-line information and the off-line information of the merchants, and data association is conducted on the merchant information and the corresponding navigation categories; an access request of an accessor for passing the Chinese domain names is accessed, the merchant information in data association with the navigation categories is read according to the navigation categories bonded in advance, and a merchant information list navigation page is generated and presented on the client side; an access path of a single merchant is set, a two-dimension code is generated for each merchant, each two-dimension code is accessed to access and link a database to read the corresponding merchant information, and a merchant information navigation page is generated and presented on the client side. By the adoption of the method for bonding the on-line information and the off-line information of the merchants, the on-line information and the off-line information of the merchants are bonded through the method of accessing the Chinese domain names or converting the two-dimension codes to present merchant navigation information.

The invention discloses a method and a device for storing a short message, which belongs to the technical field of communication. The method comprises the following steps of: acquiring the short message and a phone number carried by the short message; grouping according to the phone number and phone numbers in a phone book and determining a short message group corresponding to the phone number; and storing the short message in the short message group corresponding to the phone number. The device comprises an acquisition module, a short message group determination module and a short message storage module. The short message group corresponding to the phone number carried by the short message is determined according to the phone number carried by the short message and the short message is stored in the short message group to which the phone number carried by the short message belongs, so that short message storage modes are enriched, a user can inquire a corresponding short message in the short message group, the inquiry range of the user is reduced greatly and convenience is brought to the inquiry of the user.

The invention provides an IPV6 address storage and rapid query method based on IPV6 address division. The method comprises the following steps: by introducing group IPV6 address hierarchical planning or province/area user-defined hierarchical planning, establishing an IPV6 address hierarchical identification system, and carrying out combination on the identification system to form sub-net planning; carrying out identifier matching on the IPV6 addresses collected by the current net, attributing the IP to the corresponding subnets according to the identifier combination of the IP addresses and establishing corresponding index; when carrying out the IPV6 address management and statistical query, according to the defined meaning of the identification during planning, converting the query condition into identification and realizing matching with the subnet, and carrying out statistics on the IP address use conditions under the sub-net; and carrying out IP state searching in address range section. By utilizing the hierarchical structure characteristic of IPV6 address space planning, rapid query of the IPV6 addresses is realized, query range is reduced, and query efficiency is improved.

The invention provides a search engine check method and apparatus and is applied to a search engine server. The search engine check method comprises acquiring a plurality of check conditions input by a user, determining a second check time quantum according to the plurality of check conditions input by the user, replacing a first check time quantum by a second check time quantum and sending check conditions containing the second check time quantum to the search engine. The plurality of check conditions contain the first check time quantum input by the user; and the second check time quantum is smaller or equal to the first check time quantum. User input time conditions can be narrowed when user check information amount is met, so a check range of the user can be narrowed and check performance of the search engine is improved.

The invention discloses a method, a device, equipment for monitoring personnel in a bid evaluation room, and a medium. The method comprises: acquiring snapshot images of people entering and exiting, and human body feature information of people entering and exiting is extracted according to the snapshot images; receiving a to-be-compared image of the to-be-compared person, and extracting human bodyfeature information of the to-be-compared person according to the to-be-compared image; determining a target snapshot image based on the human body feature information of the to-be-compared person and the human body feature information of the in-out person, the target snapshot image being a snapshot image of the in-out person having the same human body feature information as the to-be-compared person; and based on the target snapshot image and the to-be-compared image, determining record information of the to-be-compared personnel entering and exiting the bid evaluation room. According to thebid evaluation room personnel monitoring method, device and equipment and the medium provided by the embodiment of the invention, the bid evaluation room monitoring efficiency is improved.

The invention provides a method and device for selecting a display object in a display interface, as well as equipment. According to the method, firstly, a selecting signal from a control device is received and analyzed to obtain selecting identification information; secondly, a corresponding display identification information and the display object matched with the selecting identification information are selected from at least one display object in the display interface or a pre-selection display area, the display interface comprises a plurality of display objects, the display objects include at least one display area, each display area comprises at least one display unit, the display objects include the display units or the display areas, and corresponding operation is executed based on a selected display unit when the selected display object is the display unit. The method has the advantages that the needed display object can be directly and quickly selected, and selecting efficiency is improved.

The embodiment of the invention discloses a management method and system for associated configuration information of storage area network equipment. Storage area network equipment is divided into three main classes, namely a server, an optical fiber switch and storage equipment, wherein the other configuration items correspondingly belong to three major main classes; the equipment of different manufacturers creates the same configuration information database; all configuration item information and associated information are stored through the same longitudinal configuration information data table, the operation and maintenance platform supports new manufacturers and new equipment types more easily and quickly, the original whole data table structure does not need to be changed, and meanwhile, the problem that empty field spaces of different manufacturers and different indexes are occupied is also avoided; a data record is added to associated information of each configuration item, so that the problem that a complete end-to-end configuration relationship cannot be constructed under the condition that dozens of pieces of associated information are missing is avoided; through a two-step query method, the query range is quickly reduced, and the query efficiency is improved.

The invention provides a data paging query method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining an additional condition corresponding to a next page according to a query result of a current page; and sending the page turning instruction and the additional condition corresponding to the next page to a server, so that the server responds to thepage turning instruction, generates a query statement for obtaining a query result of the next page according to the query condition, the paging parameter and the additional condition corresponding tothe next page, and executes the query statement to obtain the query result of the next page. According to the data paging query method and device, the electronic equipment and the storage medium provided by the embodiment of the invention, the additional condition corresponding to the next page is obtained according to the query result of the current page and is sent to the server, so that the server generates the query statement according to the query condition, the paging parameter and the additional condition corresponding to the next page and executes the query statement; and the query result of the next page is obtained, so that the query performance of continuous page turning under the condition of massive data stock can be improved.

The invention discloses an online device identification method and system, an electronic device, and a storage medium. The method comprises: carrying out statistics on a first online identification value; carrying out statistics on a second online identification value; combining the first online identification value and the second online identification value to form a first combined identificationvalue; and detecting whether a device conforming to the first combined identification value is in an online state. The online device identification efficiency is high; the real-time performance is good; the real-time synchronization of the device is ensured; and system resources and processing time are saved. Moreover, feeding back of complicated response information by an online device is not needed, so that the calculation load of the online device and the complexity are reduced.

The invention discloses a method and a system for realizing an inverted index based on character string segmentation on SQL On HBase. The method comprises the following specific steps: generating an index structure, optimizing grammar of an index, optimizing a database, inserting records, updating the records, forbidding the index, deleting data, generating new index data, and querying a data table according to the index data to obtain a corresponding query result. According to the method, the query range can be reduced, and the query efficiency is improved by adopting a method of further accurately querying on the base table based on the reduced record number; compared with the prior art, the method does not depend on components of a third party, is completely based on the architecture ofthe database, realizes inverted indexing, support of front fuzzy, middle fuzzy, rear fuzzy and front and rear fuzzy queries on the traditional relational database, greatly improves the efficiency offuzzy query, and makes the support of unstructured data better.

According to the data query method and device, the storage medium and the computer equipment provided by the invention, before the data is queried in the database, the database is divided into the cold data area and the hot data area in advance according to the data query frequency, so that the problem of index performance collapse caused by storing all the storage data in the same storage area can be avoided; the hot data is the data which is frequently queried in the stored data recently, when the user performs data query, the probability that the to-be-queried data corresponding to the query statement contains the hot data is high, and compared with an original storage area, the hot data area has the advantages that the stored data size is small, the index performance is excellent, and the user experience is improved. Therefore, the data query range is reduced to a certain extent, and the data query efficiency and query precision are effectively improved; and when the to-be-queried data contains the cold data, the cold data can be transferred from the cold data area to the hot data area in a targeted manner to generate the hot data, so that the data query efficiency is further improved.

The invention discloses an incoming information processing method and apparatus. The method comprises the steps of receiving an incoming call and obtaining an incoming call identifier; if the incomingcall identifier turns on an incoming associated information reminding function, obtaining association information associated with the incoming call identifier according to a preset query condition; and associating the incoming call identifier with the information associated with the incoming call identifier to display. The effect that a mobile terminal not only displays an incoming number and/orcontact person information, but also can find former information associated with the incoming number and displays the former information together with the incoming number is implemented; and thus, thedisplay amount of incoming information is increased and a user is reminded of association information on the incoming call as much as possible.