146 results about "Reference space" patented technology

Systems and methods for performing document entity extraction are described herein. The method can include receiving an inference document and a target schema. The method can also include generating one or more document inputs from the inference document and one or more schema inputs from the target schema. The method can further include, for each combination of the document input and schema input, obtaining one or more extraction inputs by generating a respective extraction input based on the combination, providing the respective extraction input to the machine-learned model, and receiving a respective output of the machine-learned model based on the respective extraction. The method can also include validating the extracted entity data based on reference spatial locations and inference spatial locations and outputting the validated extracted entity data.

The embodiment of the invention provides a low-altitude flight target conflict identification method and device, and the method comprises the steps: obtaining a basic scale of a space grid according to the features of a target airspace and the performance features of an aircraft, carrying out the multi-level grid division of the target airspace according to the difference logic and the basic scale of the space grid, and constructing a distributed grid reference space; performing height reference conversion and time reference synchronization on the flight data in the reference space, and associating the flight data with the reference space to obtain a target airspace index space; performing high layering on target airspace index space, performing secondary fine-grained flight conflict detection on each index space layer according to a preset time period, judging whether a potential flight conflict risk exists or not, if yes, acquiring real-time state data of the flight targets, predicting the minimum distance between the flight targets, judging whether an actual flight conflict risk exists or not, and if not, determining whether the actual flight conflict risk exists or not; the method can support the real-time conflict recognition of large-scale aircrafts, and improves the flight efficiency and safety of low-altitude aircrafts.

Authenticity of a sticker (e.g., a mark-down sticker on a retail item), or integrity of a closure (e.g., on a delivery bag or package), is confirmed by reference to spatial information. In some embodiments a fingerprint is formed from parameters describing spatial placement of a sticker or pattern on a substrate. In some embodiments a digital watermark pattern provides a spatial frame of reference within which one or more other features can be located. In still other embodiments, a package is sealed with a shipping tape marked with a digital watermark. If the tape is slit to tamper with package contents, and is then repaired by an overlay of clear tape, the repair betrays itself by a forensic inspection that reveals a diminution in watermark strength. A great many other features and arrangements are also detailed.

The invention provides a copper wire stretching quality detection method and system for elongation analysis. The method comprises the following steps: obtaining production process record data of a copper wire sample meeting an elongation threshold; on the basis of a preset production process, traversing the production process record data for comparison to obtain a production process deviation parameter; according to the deviation parameters, extracting record data with the deviation parameters smaller than or equal to a threshold value for centralized value evaluation to obtain a production process reference space; when the production process monitoring data of the to-be-detected copper wire falls into the reference space, judging that the copper wire is qualified; when the monitoring data does not fall into the reference space, extracting a single-attribute deviation matrix; and retrieving an elongation threshold value of an abnormal sample meeting the deviation matrix, and executing targeted tensile quality actual measurement. By establishing a production process reference space, accurate prediction and targeted detection of the drawing quality of the copper wire are realized, and the omission ratio is effectively reduced.

A robot controller for controlling a robot arm includes a first space shaping module configured to provide a shaped first space target motion by convolving a first space target motion with an impulse train, where the first space target motion defines a target motion in a first reference space; a second space shaping module configured to provide a shaped second space target motion by convolving a second target motion with the impulse train; where the second target motion defines the target motion in a second reference space; and a motor controller module to generate motor control signals to the joint motors based on the shaped first space target motion and the shaped second space target motion.

The invention relates to a three-dimensional grid model processing method, computer equipment, a readable storage medium and a program product. The method comprises the steps of performing voxelization on a three-dimensional grid model of a target object to obtain a plurality of voxels corresponding to the target object in a preset reference space; determining the visibility value of the voxel according to the projection information of the voxel under the preset camera visual angle; determining a position relation label of the voxel relative to a reference point according to a communication relation between the voxel and the reference point in a preset reference space; screening out a target voxel from the voxels according to the visibility values and the position relation labels of the voxels; and determining model characterization parameters of the three-dimensional grid model according to the spatial information of the target voxel in the three-dimensional grid model. By adopting the method, the generation precision of the three-dimensional model can be improved.

This invention relates to the field of optical element manufacturing technology, and more particularly to a form and position reference component and a method for manufacturing a multifaceted optical element. The method includes: providing a blank and a form and position reference component; the blank including a connected positioning part and a main body part; determining the target coordinates of the target multifaceted optical element in a reference spatial coordinate system; placing the positioning part in a positioning groove to fix the blank on a base; determining the basic coordinates of the blank in the reference spatial coordinate system; determining the machining allowance based on the difference between the basic coordinates and the target coordinates; machining the blank based on the machining allowance to obtain an initial multifaceted optical element; using a target sphere as a detection reference, sequentially detecting the relative positions and surface shape errors of multiple faces of the initial multifaceted optical element, and iteratively processing until the multifaceted optical element is obtained. This invention at least helps to reduce the manufacturing difficulty of multifaceted optical elements.

The invention belongs to the technical field of multi-vector model predictive control, and provides a calculation-simplified multi-vector model predictive control method and system. The calculation-simplified multi-vector model prediction control method comprises the following steps: carrying out region division on a three-phase space vector diagram to form a plurality of groups of region sets, and enabling each group of region sets to be in one-to-one correspondence with one space vector; searching a plurality of neighbor space vectors for synthesizing the reference space vector according to the region set where the reference space vector is located; on the basis of a converter model, a reference space vector and all searched neighbor space vectors, all on-off state combinations of the converter are calculated on line with the purpose of minimizing the current tracking error of the converter, and no vector coordinate or state combination or other value tables need to be stored in advance; and based on all the calculated switch state combinations of the converter and the voltage control value function, selecting the switch state combination with the minimum capacitance voltage deviation to control the converter so as to realize multi-objective optimization control of the flying voltage and the midpoint voltage.

The invention discloses a dot matrix metamaterial design method based on a Kelvin structure. Comprising the following steps: firstly, generating a group of initial sample configurations based on reference space coordinates of an equidistant Kelvin structure, and constructing an initial training data set based on the group of initial sample configurations; then, taking a representative elastic constant component of each group of elastic constant components as a predicted value, and training to obtain a plurality of basic prediction functions corresponding to each representative elastic constant component; then, updating the training data set and carrying out multiple times of training on a plurality of basic prediction functions corresponding to each representative elastic constant component; and after updating and iterating for several times, determining an optimal basic prediction function corresponding to each representative elastic constant component and constructing a prediction network model, and iteratively optimizing a sample configuration corresponding to the target elastic constant matrix by using the prediction network model to obtain an optimal sample configuration, thereby completing the design of the dot matrix metamaterial. According to the method provided by the invention, the time consumption and the calculation amount of data set generation and network model training are greatly reduced.

The invention provides a rapid configuration method and system for PTZ parameters of inspection points in a substation inspection system, and the method comprises the steps: importing a virtual scene of a substation into the inspection system, and setting a virtual camera in the virtual scene; wherein the position of the virtual camera in the virtual scene is matched with the position of an inspection camera in the transformer substation; acquiring a reference space position preset by the inspection camera, and determining a virtual reference position corresponding to the reference space position and the position of the inspection point in the virtual scene; obtaining a first PTZ parameter when the virtual camera shoots the virtual reference position; generating a second PTZ parameter corresponding to the inspection point based on the position of the inspection point, the virtual reference position and the first PTZ parameter; and the patrol point and the second PTZ parameter are stored in an associated manner, and patrol configuration information of the patrol point is obtained. According to the mode, the configuration operation of the PTZ parameters is simplified, the configuration efficiency is improved, and the configuration requirements of large-scale inspection points can be met.

On the basis of the embodiments of the present disclosure, provided are a method and apparatus for generating a three-dimensional avatar, and a device and a storage medium. The method comprises: on the basis of an input feature with respect to a target object, generating reference information in a reference space, which reference information corresponds to a reference form, wherein the reference information indicates a reference surface of the target object in the reference form; determining a target form of the target object; and on the basis of the reference information and a transformation relationship between the target form and the reference form, generating three-dimensional avatar information of the target object in the target form. In this way, the generation of high-quality three-dimensional avatars in various desired forms can be advantageously realized.

The application relates to the technical field of building information model construction, in particular to a parameterized modeling method of a fabricated shear wall BIM structure. The method obtains actual spatial positions, actual stresses, bottom areas, reference spatial positions and reference stresses of the fabricated shear wall; according to the included angle between each fabricated shear wall and its adjacent fabricated shear wall in each construction layer, the difference between the actual stresses and the reference stresses of the adjacent fabricated shear wall, the difference between the actual spatial positions and the reference spatial positions of the adjacent fabricated shear wall and the bottom area of the fabricated shear wall, the layer internal error degree of the construction layer is obtained; according to the layer internal error degree of each construction layer and the difference between the layer internal error degree of the lower construction layer and the layer internal error degree of the lowest construction layer, the comprehensive error degree of the construction layer is obtained to mark the high-risk construction layer. The application accurately marks the high-risk construction layer, realizes accurate identification and visualization of construction errors, and is beneficial to timely management and control of the construction errors.

According to the present invention, a spatial mesh acquired by using a spatial recognition unit of smart glasses to scan a space including a target location in a normal state is pre-registered as a reference spatial mesh. Furthermore, two-dimensional image data of a flat surface in a normal state are pre-registered as reference image data. During abnormality detection, a worker wearing the smart glasses enters a work area and performs a scan to acquire a target spatial mesh. If the target spatial mesh satisfies a detection condition, the target spatial mesh is compared with the reference spatial mesh. Meanwhile, if the target spatial mesh does not satisfy the detection condition, the target spatial mesh is converted into a two-dimensional image to acquire target image data, and the target image data are compared with the reference image data.

The embodiment of the invention provides a three-dimensional image generation method and device, equipment and a storage medium. The method comprises the steps that reference information in a reference space corresponding to a reference form is generated based on input features of a target object, and the reference information indicates a reference surface of the target object in the reference form; determining a target form of the target object; and generating three-dimensional image information of the target object in the target form based on the reference information and the transformation relation between the target form and the reference form. In this way, high-quality three-dimensional image generation in various desired forms can be advantageously achieved.

The present invention discloses a device for remotely verifying cargo packaging and labeling based on VR interaction, relating to the field of virtual reality technology. The device comprises: a three-dimensional environment construction unit, a VR device, a permeation rotation link fusion unit, and a result generation unit. The three-dimensional environment construction unit is used to generate a three-dimensional interactive model containing a complete set of normal lines and establish a unified coordinate reference space within the three-dimensional interactive model. The VR device is used to receive the three-dimensional interactive model and then package it into a section to be verified. The permeation rotation link fusion unit is used to arrange a permeation probe grid for each section to be verified and record a list of slip paths on the surface of the three-dimensional interactive model in a spiral propulsion manner. The result generation unit is used to complete remote verification of the target package. The present invention effectively improves the spatial accuracy, interaction efficiency, and judgment reliability of remote packaging quality verification.

Systems and methods for performing document entity extraction are described herein. The method can include receiving an inference document and a target schema. The method can also include generating one or more document inputs from the inference document and one or more schema inputs from the target schema. The method can further include, for each combination of the document input and schema input, obtaining one or more extraction inputs by generating a respective extraction input based on the combination, providing the respective extraction input to the machine-learned model, and receiving a respective output of the machine-learned model based on the respective extraction. The method can also include validating the extracted entity data based on reference spatial locations and inference spatial locations and outputting the validated extracted entity data.

The application is suitable for the field of data processing, and provides a passing path planning method and system, an electronic device and a computer program product, wherein the method comprises: acquiring a space reference space-time network; the space reference space-time network comprises a plurality of space-time edges, each space-time edge connects two waypoints and corresponds to a space-time range between the waypoints; determining at least one target space-time range corresponding to a space emergency event and passing restriction information corresponding to each target space-time range; adjusting a target space-time edge corresponding to the target space-time range in the space reference space-time network based on the target space-time range and the passing restriction information, to obtain a space passable space-time network; and planning a target passing path for each target flight task in the space passable space-time network. The scheme performs fine management on the space, replans the path for the target flight task, and improves the utilization rate of the space resource.

The application discloses a kind of virtual-real superposition precision test method, system and storage medium, it is related to wearable technology field.The method comprises the following steps: controlling the head-mounted display device to be measured to be in different test poses in turn;Get the first image pair obtained by the image of the display picture and the calibration plate of the double-camera acquisition head-mounted display device to be measured in test pose, according to the first space position of the real mark in the virtual-real pair in the first image in the camera coordinate system and the reference virtual-real relative pose corresponding to the virtual-real pair, determine the reference space position of the virtual mark in the virtual-real pair in the camera coordinate system, according to the second space position and reference space position of the virtual mark in the virtual-real pair in the camera coordinate system, determine the virtual-real superposition precision test result corresponding to the camera of the head-mounted display device to be measured in test pose;According to the virtual-real superposition precision test result of the double-camera of the head-mounted display device to be measured in different test poses, determine the virtual-real superposition precision test result of the head-mounted display device to be measured.

The application provides a video blind area compensation transmission method and server based on dynamic field of view fusion, through acquiring multi-source video stream data, integrating all field of view regions under the same timestamp to a unified global reference space to obtain a global field of view splicing layout, constructing a dynamic field of view topology evolution graph containing a blind area hole outline and a pixel mapping transformation relationship between fields of view according to layout changes of continuous timestamps; performing pixel-by-pixel spatial migration on adjacent field of view video frames according to the pixel mapping transformation relationship of the blind area hole periphery to generate a blind area compensation video segment; performing panorama fusion on the compensation segment and the original video segment to obtain a panoramic video stream; analyzing the distribution pattern of the original collection source and the content remapping source in the panoramic video stream to generate a spatial mask, setting a differentiated encoding transmission strategy for different regions and encoding and distributing. The application realizes high-quality compensation of blind area content and regional differentiated efficient transmission of panoramic video streams.

Systems and methods are provided for updating data in a computer network. An exemplary method includes: collecting a first set of measured information from a plurality of space vehicles and a second set of measured information from a reference space vehicle; deriving an affine system for each of the space vehicles; deriving a set of physical distance metrics between each of the space vehicles and the reference space vehicle; identifying a set of space vehicles having a physical distance metric below a threshold; upon identifying the set of space vehicles, performing a similarity analysis for each of the identified set of space vehicles producing a set of intercalibration parameters; applying the set of intercalibrations parameters to the affine system of each of the identified set of space vehicles; and forming an ensemble product defining calibrated sensor information from the space vehicles.

The invention discloses a self-adaptive writing method and system based on support style feature extraction and template generation, and particularly relates to the technical field of self-adaptive writing. According to the method, the writing system has the active recognition and selection capability on the target style in the generation process, style drifting caused by context accumulation in long text and multi-round generation is avoided, meanwhile, a fixed semantic structure and a variable expression mode are combined based on a template constraint model automatically generated in a dominant style interval, and the method is more efficient and efficient. On the premise of ensuring logic integrity and expression normalization, the flexibility and adaptability of the writing process are improved, and a closed-loop self-adaptive regulation and control mechanism is formed by performing literary and physical feature consistency evaluation on the generated text and dynamically adjusting the template slot position weight.

A method of performing motion estimation for spatially arranged data in a data processor, the spatially arranged data having been previously compressed using a compression algorithm that generates compression meta data representing the spatially arranged data includes for a first region of the spatially arranged data: obtaining compression meta data for the first region, the compression metadata including smoothness information indicative of a smoothness of the first region; determining a search space size based on the obtained smoothness information, the search space size being a size of a search space for applying a region-matching motion estimation algorithm to the first region to match the first region with a corresponding region in reference spatially arranged data within the search space.

The embodiment of the application provides a kind of spaceborne opportunistic communication window parameter prediction method, electronic equipment, storage medium and program product, related to wireless communication technical field, the method comprises: obtaining the orbital parameter information of multiple available satellites, and the spaceborne metasurface is deployed in available satellite;For each available satellite, according to the orbital parameter information, the orbital state information of available satellite in preset time range is calculated;For each available satellite, determine the available satellite that meets the preset discrimination criterion as candidate satellite by screening, and the preset discrimination criterion is that in preset time range, the subsatellite point position of available satellite is located in mirror surface reflection search area;For each candidate satellite, the reference spatial point corresponding to candidate satellite is used as the pointing target of transmitting station and receiving station, and the beam intersection region of transmitting station and receiving station is calculated;For each candidate satellite, based on the beam intersection region corresponding to candidate satellite, the communication window parameter is predicted, and the precision of passive reflection communication window prediction is improved.

The application discloses an AGV fork positioning method and device based on ranging sensor analysis, and a medium, and relates to the technical field of data processing.The method comprises the following steps: configuring ranging, vision and orientation sensors on a target AGV, and constructing a sensor collection device group; activating the device group, collecting multi-dimensional sensing data of the target AGV, including distance, image and azimuth angle data; using the image data to position the environment, and traversing a three-dimensional simulation space of a target scene to extract a local reference space; combining the multi-dimensional sensing data to determine the first relative position of the target AGV fork in the local reference space; analyzing the local reference space to obtain the second relative position of the target object, comparing the difference between the two to obtain positioning difference information, and optimizing the positioning of the target AGV fork based on the difference information, thereby achieving the technical effects of improving the positioning efficiency of the fork and the safety of the operation.

The invention discloses a method and device for recognizing a design drawing of the style and appearance of a countryside, terminal equipment and a storage medium, and the method comprises the steps: predicting a style type and a style score of the design drawing through a style recognition and scoring model, and calculating the style of the design drawing according to the predicted style type by referring to preset reference basic components and reference space design elements; and further calculating a basic component score and a spatial design element score of the design drawing, according to the style score, the basic component score and the spatial design element score, calculating a comprehensive score of the design drawing, according to the comprehensive score, judging whether the design drawing accords with the style design of the countryside overseas countryside or not, and determining a corresponding style type. According to the method, whether the design drawing is the style and appearance design drawing of the overseas countryside or not can be automatically identified, the specific style and type of the overseas countryside can be identified, the technical problems of large errors and time and labor consumption caused by dependence on manual identification of the design drawing in the prior art are solved, manpower is saved, and efficiency and accuracy are improved.

A user equipment (UE) configured for operating in a wireless communication network that supports a plurality of reference signals (RS) such as sounding reference signals, comprises a wireless interface configured for transceiving signals, comprising receiving a configuration signal having a configuration information indicating a reference spatial relation. The UE further comprises a controller for evaluating the configuration information and to determine the reference spatial relation. The UE is configured for using the reference spatial relation as a reference for an uplink RS (UL-RS) in the wireless communication network.

To improve diagnostic accuracy of an elevator.SOLUTION: A diagnostic apparatus creates a reference space for each elevator, compares multidimensional feature quantity data generated from sound-vibration waveform data acquired for the elevator with a reference space prepared for the elevator among reference spaces prepared for respective elevators, and performs diagnosis regarding an abnormality of the elevator on the basis of the result of the comparison.SELECTED DRAWING: Figure 1

An embodiment of the present invention discloses a method, device, electronic device and storage medium for determining a target position. The method includes determining a reference spatial position and a reference pitch angle of a reference imaging device whose imaging field of view faces a target to be measured; constructing a trigonometric function equation set to be solved under the reference imaging device according to the spatial position parameter to be measured of the target to be measured, the reference spatial position and the reference pitch angle through a preset trigonometric function equation template; determining the value of the spatial position parameter to be measured by solving the trigonometric function equation set to be solved constructed under at least three reference imaging devices. By adopting the solution of the present application, the ranging range of target positioning is no longer limited by space, and the spatial coordinates of any target within the visible range can be obtained, ensuring that the distance scenario of target positioning is no longer limited, improving the adaptability of the target positioning scenario. At the same time, a large amount of pre-calibration work does not need to be carried out for the camera in advance, reducing the construction difficulty and the maintenance and installation workload, and improving the long-term reliability of the system.

Method for locating a tool (2) in an X-ray image, wherein the tool (2) has an X-ray absorption strength (12) that is spatially variable along a predetermined longitudinal direction of the tool (2) according to a predetermined absorption characteristic, and wherein - a spatial frequency spectrum of a partial area (6) of the X-ray image is determined; - checking whether the spatial frequency spectrum corresponds to the absorption characteristic of the tool (2); and - if the inspection reveals that the spatial frequency spectrum corresponds to the absorption characteristic of the tool (2), the partial area (6) of the X-ray image is determined as the position of the tool (2), whereby - according to the absorption characteristic, the spatial change in the X-ray absorption strength (12) along the longitudinal direction has a characteristic frequency at which a reference spatial frequency spectrum (13) of the spatial change in the X-ray absorption strength (12) along the longitudinal direction has a peak value; and - to check whether the spatial frequency spectrum corresponds to the absorption characteristic of the tool (2), it is checked whether the spatial frequency spectrum has a peak value at a point which corresponds to the characteristic frequency within a predetermined tolerance range.

Some disclosed methods involve receiving multi-channel audio data including unlabeled multi-channel audio data; extracting audio feature data from the unlabeled multi-channel audio data; applying a spatial masking process to a portion of the audio feature data; applying a context encoding process to the masked audio feature data to generate a predicted spatial embedding in a latent space; obtaining a reference spatial embedding in the latent space; determining a loss function gradient based at least in part on a difference between the predicted spatial embedding and the reference spatial embedding; and updating the context encoding process according to the loss function gradient until one or more convergence metrics are achieved.