10 results about "Slice method" patented technology

The invention relates to the technical field of numerical simulation and data processing, in particular to slope stability multi-layer synchronous experiment equipment based on a splitting method and a control system. According to the invention, soil pressure transmission among different slippery mass strips is simulated through the multi-layer synchronous experimental equipment. Through the cooperation of the stress sensor matrix and the oil hydraulic cylinder matrix, the soil pressure of each sliding mass strip block can be transmitted to the next sliding mass strip block in real time, so that the evolution process of the soil pressure in the whole slope system is accurately simulated. The time sequence change of the soil pressure is recorded through the stress sensor, and mechanical modeling is carried out according to the data, so that the dynamic transmission of the soil pressure among different slippery mass strips is realized, and the defect that a soil pressure field is difficult to reproduce in a traditional experimental method is overcome; through the matrix positioning and loss compensation module, the problem of matrix position dislocation of the stress sensors and the oil hydraulic cylinders is solved, so that the positions of the stress sensors and the oil hydraulic cylinders of different sliding mass strip blocks in an experiment can be accurately aligned, and the precision of force field transmission is ensured.

The application discloses a kind of video intelligent slice method based on multi-modal information fusion and semantic constraint, it is related to video content analysis and intelligent editing technical field, it is characterized in that it proposes semantic priority audiovisual collaborative slice scheme, obtains shot interval by shot boundary detection, constructs voice interval and effective word information by voice recognition, adopts voice interval as semantic mask to remove visual cut point in the process of voice expression, and based on fragment length and effective word, content density determination is carried out to long fragment, and further adopts visual re-cutting, audio energy driving and uniform cutting Secondary slicing strategy of division, the method provided by the application solves the problem of semantic fragmentation and content perception loss in the prior art, can obtain video fragment with complete semantics, high content density and appropriate length, and is suitable for various application scenarios such as automatic editing, short video generation and video content retrieval.

The invention relates to the field of ship form optimization, in particular to a ship form comprehensive optimization method, which comprises the following steps: S1, setting constraint conditions; s2, designing a deformation control point and a deformation amplitude range thereof; s3, constructing a genetic algorithm and setting genetic algorithm parameters; s4, calculating still water resistance of the individuals and calculating fitness; s5, judging whether the maximum algebra of the genetic algorithm is reached or not; s6, selecting and copying individuals with high fitness; s7, carrying out crossover and variation on the individuals with high fitness, and returning to the step S4; s8, ending the genetic algorithm, and outputting no less than two still water resistance optimization schemes; s9, calculating the wave increase resistance of the still water resistance optimization scheme by using a slicing method; and S10, selecting a scheme which most meets the requirements of a ship owner as an optimal scheme, and calculating a corresponding optimal ship type through an FFD method. According to the method, the rapidity and seakeeping of the optimized ship are considered, and the calculation amount is reduced.

The application discloses a network slice method based on data clustering, and comprises the following steps: firstly, a plurality of user data are acquired, the characteristics in the user data are normalized, and corresponding threshold values are set; it is judged whether the characteristic values are greater than the corresponding threshold values; if yes, 1 is assigned; if no, 0 is assigned; secondly, the characteristic frequent occurrence times of each characteristic are defined as the total times of the characteristic values being 1 in single user data, and the characteristic frequent occurrence times of each characteristic are obtained by scanning the user data; then, the minimum characteristic frequent occurrence time is set, the characteristics with the characteristic frequent occurrence times less than the minimum characteristic frequent occurrence time are deleted, and the remaining characteristics are arranged according to the characteristic frequent occurrence times; a tree diagram is constructed according to the arranged characteristics, frequent item sets are found in the tree diagram, and a normalized hypergraph is made; finally, the strong correlation between the characteristics is judged by using the obtained hypergraph, and a network slice resource allocation scheme is made. The application can reasonably, efficiently and fairly allocate the network slice resources.

This invention relates to the field of ship hull optimization, specifically to a comprehensive ship hull optimization method, comprising: S1, setting constraints; S2, designing deformation control points and their deformation ranges; S3, constructing a genetic algorithm and setting its parameters; S4, calculating the hydrostatic resistance and fitness of individuals; S5, determining whether the maximum number of generations of the genetic algorithm has been reached; S6, selecting and replicating individuals with high fitness; S7, performing crossover and mutation on individuals with high fitness, and returning to S4; S8, terminating the genetic algorithm and outputting at least two hydrostatic resistance optimization schemes; S9, using the slicing method to calculate the wave resistance increase of the hydrostatic resistance optimization schemes; S10, selecting the scheme that best meets the shipowner's needs as the optimal scheme, and calculating the corresponding optimal ship hull hull using the FFD method. This invention achieves a balance between optimizing the speed and seakeeping of ships while reducing computational load.

The invention relates to the technical field of material microstructure three-dimensional characterization, and discloses a material microstructure three-dimensional reconstruction method, which comprises the following steps: acquiring multi-source data of multiple layers of material slices of a to-be-reconstructed material; the multi-source data corresponding to each layer of material slice comprises three-dimensional shape information and microscopic structure characteristic information of the material slice; for each layer of material slice, based on the multi-source data, constructing a three-dimensional point cloud picture corresponding to the material slice, and based on grain boundary feature constraints, performing interpolation processing on missing value pixel points in the three-dimensional point cloud picture; and generating a three-dimensional reconstruction image corresponding to the to-be-reconstructed material based on the three-dimensional point cloud atlas corresponding to each material slice. According to the method, the problem of reconstruction errors caused by neglecting the characteristics of the non-flat slices prepared by the continuous slicing method in the traditional three-dimensional reconstruction technology is effectively solved, the three-dimensional reconstruction precision of the non-flat continuous slices is remarkably improved, and a high-precision solution is provided for three-dimensional crystallography representation of metal materials.

A bit-slicing method comprises: dividing input data into predetermined bit units to obtain a plurality of intermediate representation slice data; and sequentially obtaining higher-order slice data by adding, to a higher-order intermediate representation slice data, a sign bit that is a most significant bit of lower-order slice data obtained in a previous step and a carry bit generated in a process of obtaining the lower-order slice data.

The present invention discloses a method for constructing an analysis model of the seismic stability of an unsaturated soil slope by the horizontal slice method. Based on the pseudo-dynamic assumption, the present invention proposes an improved horizontal slice method to evaluate the seismic response characteristics of an unsaturated soil slope. This method is used to calculate the external power done by the gravity of the unsaturated soil, the energy dissipation of the capillary cohesion and the anchoring force of the prestressed anchor cable, construct an energy balance equation, and obtain a semi-analytical numerical expression of the safety factor of the soil slope according to the principle of increased unit weight. The minimum safety factor of the slope and the corresponding critical slip surface are searched based on the enumeration method. The analysis model constructed by the present invention combines the advantages of the limit analysis analytical method and the limit analysis finite element method, effectively combines the unsaturated soil strength theory and the limit analysis method, can reasonably explain the action mechanism of the slope suction effect, and has important academic value and practical significance for guiding slope design, construction and reinforcement under complex conditions.

The present invention discloses a method for measuring the volume of unordered point clouds based on voxelization and filling algorithms, belonging to the technical field of point cloud mapping, including: determining algorithm parameters; inputting point cloud data and performing direct filtering slicing according to the determined slicing operation parameters; only considering the non-slicing coordinate direction and performing two-dimensional voxelization according to the voxelization resolution; constructing a two-dimensional voxel matrix; using the X-scan line filling algorithm to fill the two-dimensional voxel matrix; traversing the two-dimensional voxel matrix and counting the slice unit quantity value of the point cloud; obtaining the area of the point cloud slice and the volume of the sliced point cloud data, and accumulating them into the point cloud volume; adjusting the starting point of the slice, iterating until the sum of the starting point of the slice and the slice step is greater than the highest point of the point cloud data, and obtaining the volume of the entire point cloud data. The present invention achieves a balance between efficiency and accuracy by setting different parameters, is faster than the slicing method, reduces errors, improves the point cloud slicing method, and enhances the practicality and engineering level.

The present invention discloses a method and device for analyzing the stability of the bottom of a narrow foundation pit against heave, which relates to the technical field of geotechnical engineering. Among them, the method for analyzing the stability of the bottom of a narrow foundation pit against heave is applicable to anchored and braced narrow foundation pits, and includes the following steps: determining whether the current foundation pit is a narrow foundation pit; when the current foundation pit is a narrow foundation pit, dividing the soil mass into slices based on the principle of the Swedish slice method; analyzing the forces acting on the divided slices and calculating the safety factor for the stability of the bottom of the foundation pit against heave. The present invention can avoid excessive embedment depth of the retaining structure and has better social and economic benefits.