37results about How to "Reduce traversal time" patented technology

The invention provides an unmanned aerial vehicle trajectory planning method based on EB-RRT. The method comprises the steps that grid partitioning is carried out on a map environment; a node xnearst nearest to a random point in existing nodes is found; an insertion point xnew is calculated according to the step length; if the sum of the distance between a root node to xnew and the Euclidean distance between xnew and the end is not greater than the length of the current optimal path, whether the xnew point is in an obstacle is detected; if not, the surrounding environment information of xnearst is collected, and a new insertion point xnew is randomly sampled in the surrounding free area; xnew is inserted into a tree; the nearby node set of xnew is traversed and found in the corresponding grid, and the path of the nearby nodes is optimized; connection detection is carried out on two trees into which the xnew point is inserted; if not, two trees are exchanged, and random points continue to be sampled; if so, a feasible path is found, and downsampling is carried out; and a Bessel cubic interpolation algorithm is used to optimize the new path. The unmanned aerial vehicle trajectory planning method provided by the invention has the advantages of high convergence speed, good flexibility, high running efficiency and good practicability.

The invention discloses a frequency domain resource scheduling method. A CQI (Channel Quality Indicator) storage structure is preset in the frequency domain resource scheduling method, and a corresponding subband set is set for each CQI value in the CQI storage structure. The frequency domain resource scheduling method also comprises the following steps of: receiving the CQI values of subbands, which are reported by UE (User Equipment) and updating the CQI storage structure according to the CQI values of the subbands; and carrying out frequency domain resource scheduling for the UE to be scheduled according to the CQI storage structure during frequency domain resource scheduling. The invention also discloses a frequency domain resource scheduling device. The frequency domain resource scheduling method and device can carry out scheduling processing with high efficiency at a high speed.

The embodiment of the invention discloses an electronic expansion valve control method and belongs to the technical field of air-conditioner control. The method comprises the steps that the target exhausting temperature is determined according to the outdoor environment temperature; and according to a difference value of the current exhausting temperature and the target exhausting temperature, thevalve opening degree of an electronic expansion valve is controlled. By the adoption of the embodiment, the traversal time of the valve adjusting process of the electronic expansion valve can be shortened, and the valve opening degree corresponding to the target exhausting temperature can be achieved fast. The embodiment of the invention further discloses an electronic expansion valve control device, an air-conditioner and a computer readable storage medium.

The invention discloses an image segmenting method based on a dynamic multi-population integrated differential evolution algorithm. According to the method, sub-populations are divided and redistributed by adopting an original population in the aspect of population structure planning so as to guarantee the diversity of a population evolution process and avoid a local optimum phenomenon; local search variation is combined with global search variation in the variation strategy so as to achieve a balance between an optimal threshold of population survey and accelerated convergence; and the shortcomings caused by fixed parameters of a standard differential evolution algorithm are effectively overcome through the parabolic dynamic incremental change of a cross probability factor. Compared withother evolutionary algorithms on a benchmark test set, the improved algorithm has the advantage that the optimization and convergence speed can be obviously and significantly improved; and the improved differential evolution algorithm has a significant effect in accuracy and speed when being applied to image segmentation.

The embodiment of the invention discloses a processing method, device and system based on enterprise office circulation approval, and the method comprises the steps: obtaining application informationsent by a first terminal, and the application information comprises an application type, applicant information, and a path condition; generating application information according to the application information and the approval node information; and sending the application information to a corresponding second terminal, receiving feedback opinions sent by the second terminal, and generating a finalapproval result according to the feedback opinions. According to the application information and approval node information, application information is generated; the route trend of the approval nodeinformation is accurately guided by the route condition, the route trend can be rapidly determined even for office systems with some complex approval routes, the traversal time of an application platform server is shortened, and the utilization rate of resources such as system bandwidth and a database of the system is improved.

The invention discloses a read operation processing method, device, equipment and a readable storage medium. The method disclosed by the invention comprises the following steps: if a reading operationfails, carrying out a rereading operation by utilizing a first-level table; wherein the gear information included in the first-level table is the first N pieces of gear information arranged in a descending order according to the number of successful rereading times in the read retry table, and N is smaller than the number of all the pieces of gear information included in the read retry table. According to the method, the success rate of the rereading operation can be improved by utilizing the first-level table to perform the rereading operation, so that the reading performance of the solid state disk is improved, the traversal time can be shortened, and the rereading operation efficiency is improved. The read operation processing device, the equipment and the readable storage medium alsohave the above technical effects.

The invention provides a data collision analysis method and device, electronic equipment and a storage medium, and relates to the technical field of information processing. The method comprises the steps of obtaining a track of a target object, and determining a plurality of first identifiers and first collection time corresponding to each first identifier according to the track of the target object; acquiring a plurality of collision areas, determining a second identifier in each collision area and a first start time and a first end time of each collision area according to each collision area, and sorting the plurality of collision areas according to the first start time of each collision area; and for each sorted collision area, when a second identifier which is the same as the first identifier in the track exists in the collision area, determining that the collision area is matched with the track of the target object, and stopping traversing in the collision area. By traversing thetrack and the collision area in sequence, the traversing time can be shortened, and the data collision analysis efficiency can be improved.

The invention relates to the technical field of automation engineering, in particular to a non-contact detection method and system for a fluid torsional moment of a capsule robot. When the capsule robot turns steadily and reaches the critical gait, a critical coupling magnetic moment can be obtained; through calculation, the fluid torsional moment of the capsule robot in liquid is obtained. According to the method and system, the traversal time of the capsule robot in the intestinal tract can be shortened, accurate driving in the intestinal tract under multiple bending complex conditions is achieved, and the magnetic sensing intensity and frequency which meet the demand are provided. The online non-contact detection method is simple, reliable and high in operability, the fluid torsional moment in a bending environment can be detected under the condition of not making contact with the capsule robot, the required magnetic sensing intensity and fluid torsional moment which are required bythe robot during turning can be accurately determined, and the overall digestive tract is safely and online detected at low power consumption.

The invention discloses a multi-dimensional data processing method and device for power consumption data information, and the method employs a mode of combining unified collection and point-to-point collection, introduces the collection priority, and improves the data collection efficiency. The method comprises the following steps: acquiring power utilization data information of a user, classifying according to different attributes of the power utilization data information, classifying into different levels according to attribute categories, storing the power utilization data according to theclassifications and the levels, calculating key value pairs according to the different attributes, storing the key value pairs in an index file, analyzing the key value pairs when reading the data, and quickly positioning the power utilization data. Unified acquisition and point-to-point acquisition are combined, so the data acquisition efficiency is improved; and the key value pairs are obtainedby calculation according to the data attributes, so that data access is convenient and fast, and the data processing efficiency is improved.

The invention discloses a fusion defogging method based on variable step size guided filtering and contrast stretching, and the method comprises the steps: firstly carrying out the downsampling compression of an image, then carrying out the defogging operation, and finally carrying out the upsampling amplification through a bilinear difference value; wherein the defogging operation comprises RGB numerical value conversion operation, linear conversion operation, large-window high-pressurization filtering operation and white balance adjustment; wherein the linear transformation operation comprises grey-scale transformation, traversing a grey-scale map to obtain a maximum value and a minimum value, and traversing division; the large-window pressurization filtering operation comprising guidedfiltering and traversal multiply-add. According to the method, the defogging step can be optimized and the defogging speed can be improved on the premise that the defogging quality of the image is notinfluenced basically.

A method and apparatus for searching for cache data is disclosed. The method includes receiving a target data read request including a target logical block address of the target data. A logical blockaddress derive from a target logical block address and a logical block address and a physical block address corresponding to that logical block address and the physical block address storing the respective cache data. A physical block address mapping table for obtaining a target physical block address of the target data; According to the maximum physical block address and the minimum physical block address of the physical block address of the cache data included in each cache data set grouped based on the physical block address size of the respective cache data, If a target cache data set corresponding to a target physical block address is found, target data is searched in the target cache data set. That is, only when the physical block address of the data to be read corresponds to a set of Cache data can the search be performed in the set, thereby narrowing the search range and improving the search efficiency and the read performance.

The invention discloses an advertisement index construction method and apparatus, an advertisement retrieval method and system, and relates to the technical field of advertisement indexing. The advertisement index construction method comprises steps of: acquiring the advertisement group object of each advertisement source object, wherein the advertisement group object includes at least one piece of advertisement content data and corresponds to at least one retrieval word; for each retrieval word, generating a first-level advertisement index for the advertisement group object according to a relation between the retrieval words and the advertisement group objects; based on the advertisement group object, selecting N pieces of advertisement content data each piece of the advertisement content data of the advertisement group object to generate a second-level advertisement index for the advertisement group object. The advertisement index construction method and apparatus achieve the effect of reducing the length of an index list under each retrieval word so as to reduce the traversal time, improve retrieval efficiency, and improve the display speed of the advertisement content data for the subsequent retrieval requests.

The invention discloses an access point name loading method, access point name loading equipment and a computer readable storage medium, the access point name loading method comprises the following steps: when a mobile terminal obtains trigger information and needs to load an APN, obtaining a monitoring state for a subscriber identity module SIM card; when the monitoring state is no card, cancelling APN loading; and when the monitoring state is that the card exists, loading the APN. The access point name loading method provided by the invention has the effect of improving the APN loading efficiency.

The invention provides an information reporting method and device, and the method is applied to any line card board in network equipment, and comprises the steps: receiving an obtaining request sent by a main control board in the network equipment; for each NP chip on the line card board, executing the following traversal operation: obtaining a first number of first TWAMP test packets sent by the NP chip and a second number of second TWAMP test packets received by the NP chip; if both are 0, not performing any operation; if the former is not 0 and the latter is 0, recording the former; if the former is 0 and the latter is not 0, the latter is recorded, and related network delay information and network jitter information are acquired and recorded; if the two are not 0, recording the two, and acquiring and recording network delay information and network jitter information; and taking all information recorded after all NP chips are traversed as a TWAMP test result, carrying the TWAMP test result in an acquisition response, and reporting the TWAMP test result to the main control board. According to the invention, the reporting efficiency of the TWAMP test result can be improved.

The invention discloses map processing methods. One of the methods includes: grouping all sub-areas in an area, which is covered by a map, according to a preset segmentation condition to obtain at least two sub-area groups; and storing the at least two sub-area groups according to a binary tree structure. The invention also discloses map processing devices.

The invention is suitable for the field of artificial intelligence, and particularly relates to an insurance anti-fraud identification method and device based on artificial intelligence, equipment and a medium. According to the method, an insurance relationship network is updated through first target edges and second target edges, and a first person node and a second person node which are connected with each other through at least two first target edges in the insurance relationship network are traversed; and when traversing that the first person node is connected with the second person node through the first target edge and/or the second target edge on other associated paths, judging that all person nodes on the other associated paths are suspected fraud gang members, and directly traversing the updated network relationship through the target edges to determine the suspected fraud gang members. The traversal times of the target node, the edge and the path are reduced, the traversal time is shortened, and the traversal efficiency is improved.