172 results about "Spatial Orientations" patented technology

The invention discloses a multi-source image data fusion-based fine decoration air crack seepage quality problem detection method and device, and solves the technical problem of how to carry out comprehensive, high-precision and intelligent detection on the fine decoration surface air crack seepage quality problem. Comprising the following steps: 1) receiving visible light image data, thermal infrared image data and three-dimensional laser point cloud data of a target refined decoration surface acquired from visible light acquisition equipment, thermal infrared imaging equipment and three-dimensional laser scanning equipment respectively; 2) carrying out feature extraction on the visible light image data, the thermal infrared image data and the three-dimensional laser point cloud data; 3) obtaining point cloud projection coordinates, and then performing association fusion on the first two-dimensional feature and the second two-dimensional feature with corresponding three-dimensional features to generate fusion point cloud data containing multi-source features; and 4) based on the fused point cloud data, carrying out defect classification identification and spatial positioning to obtain a detection result. And comprehensive and high-precision detection of the quality problem of air crack seepage of the finely-decorated surface is realized.

The invention discloses a flight personnel spatial orientation training eye movement data monitoring analysis method, and belongs to the technical field of eye movement data analysis, and the method comprises the following steps: S1, obtaining historical eye movement data of spatial orientation training, and constructing a data distribution model; s2, dividing a plurality of functional areas, and constructing a historical transition probability matrix; s3, acquiring current eye movement data, projecting the current eye movement data into the data distribution model, and constructing a current transition probability matrix; and S4, calculating a difference matrix of the current transition probability matrix and the historical transition probability matrix, and judging a functional area transition selection deviation degree. According to the method, the problem that the eye movement data cannot be subjected to targeted region division and analysis in the prior art is solved. By constructing a data distribution model, constructing a historical transition probability matrix and a current transition probability matrix, dividing functional areas and performing targeted analysis, a targeted optimization direction is provided for spatial orientation training of flight personnel, and the training effect and the spatial orientation capability are effectively improved.

Methods, systems, and apparatus, including medium-encoded computer program products, for searching through spatial recordings by constructing queries. One of the methods include constructing a query based on input received at a three-dimensional (3D) space displayed at a visual programming interface, wherein the input includes positioning of objects at 3D positions within the 3D space over time, wherein the input defines at least one spatial orientation between at least two objects from the objects in the 3D space; executing the query to search a database of 3D recordings to find at least one segment from at least one 3D recording that includes the at least two objects and matches the spatial orientation between the at least two objects, as defined in the input, at a specific point in time; and presenting the at least one segment from the at least one 3D recording via the visual programming interface.

The invention discloses a dual-machine target positioning method based on semantic prior and spatial intersection constraint. The method comprises the following steps: 1, acquiring images of a camera 1 and a camera 2, and determining the spatial orientation of a camera coordinate system relative to a reference world coordinate system; step 2, obtaining a target normalized coordinate under a coordinate system of the camera 1; step 3, obtaining a target normalized coordinate under a coordinate system of the camera 2; 4, converting the normalized coordinates of the target into geometric rays in a three-dimensional space; 5, constructing an optimization function with the minimum distance sum of squares; step 6, performing semantic-level foreground and background division on the image content through a YOLOv5 network, and constructing a three-dimensional space feature point library of a semantic background; and 7, performing single-view semantic neighborhood retrieval and depth compensation by using the three-dimensional space feature point library of the semantic background constructed in the step 6, and realizing target three-dimensional positioning in a high-altitude long-distance complex scene. According to the invention, the detection robustness and the positioning precision of the high-altitude long-distance target in the environment are improved.

In a general aspect, orientation information is used to generate a unique code. In some aspects, orientation information is extracted from an object. The object includes multiple elements, and the orientation information indicates the relative spatial orientations of the respective elements. The orientation information can be extracted, for instance, by a scanner system that detects the elements. A unique code is generated for the object based on the orientation information. In some examples, the elements are diamond particles that each have one or more color centers, and the orientation information is extracted by detecting the color centers.

The invention provides a sound source localization rehabilitation training method, system and device and a medium. The sound source localization rehabilitation training method comprises self-adaptive training and scene simulation training, the self-adaptive training comprises the steps of providing a training task in the period, and the training task in the period comprises the step of selecting training difficulty; according to the training difficulty, sound stimulation is presented in different spatial orientations, and the training difficulty can be adjusted according to a certain logic; the training difficulty of the next period of training is adaptively adjusted according to the correct rate p of one training group of the subject until the preset training amount is reached, and the difficulty setting includes but is not limited to scene setting, analog input information amount and signal-to-noise ratio adjustment. According to the scheme, a hearing-impaired person can perform rehabilitation training in a home environment, the need of manual intervention is reduced, and the training convenience and flexibility are improved. Through adaptive training, on the basis of ensuring scientificity, accuracy and effect of a training plan, the positioning ability of the hearing-impaired person is enhanced, and the integration of the hearing-impaired person into the society is accelerated.

The embodiment of the invention provides a method and device for recognizing a rock mass structural plane. The method comprises the following steps: in response to an obtained photo control point geodetic coordinate and an aerial survey photo about a target area, generating a three-dimensional entity model about the target area through an image data processing rule based on the photo control point geodetic coordinate and the aerial survey photo; in response to a two-dimensional image map extracted from the aerial survey photo, inputting the two-dimensional image map into a pre-trained neural network, and identifying the two-dimensional image map by the pre-trained neural network to obtain a corresponding structural surface two-dimensional contour; associating the two-dimensional contour of the structural plane to a three-dimensional entity model through a space mapping algorithm, and generating a three-dimensional structural plane edge contour; and carrying out geometric fitting on the edge contour of the three-dimensional structural surface to obtain the structural surface size and occurrence parameters of the target area. By utilizing the method disclosed by the embodiment of the invention, the spatial orientation and size parameters of the structural plane can be accurately solved.

The invention relates to the field of intelligent detection, and provides a multi-mode resonance detection method and system adaptive to different medium interface fitting degrees, initial knocking parameters are matched and set for different material interfaces so as to adapt to different material attributes and interface states, the adaptability to the different material interfaces is improved, and the detection accuracy is improved. A multi-point automatic knocking rule is designed, knocking track self-adaptive generation is carried out on different knocking surface curvatures and different component shapes, and multiple different knocking areas are divided for multi-point knocking, so that the influence of structure dead angles is avoided, the detection adaptability and accuracy are improved, and the detection efficiency is improved. And feature enhancement is carried out on the multi-modal data through a space-time synchronization attention algorithm, so that synchronous matching of multi-modal data features is carried out on the aspects of time orientation and space orientation, interference of a complex combination or compounding mode of materials is eliminated, noise interference of a detection environment is also eliminated, and the overall recognition accuracy is improved. According to the invention, the accuracy and adaptability of interface fitting degree detection of different media are improved.

Methods of calibrating the relative orientation between spatial orientation sensors, the relative orientation between imaging sensors and spatial orientation sensors, and the relative orientation between imaging sensors are disclosed. The relative orientation of the spatial orientation sensor and the imaging sensor is calculated relative to the reference coordinate system.

In some embodiments, a method comprises executing, by a head-tracked audio system, a first algorithm configured to dynamically update a forward head angle and a spatial orientation in response to a detected head movement, and a second algorithm configured to adjust a recentering filter based on the detected head movements, and maintaining, by the head-tracked audio system through execution of the first algorithm and the second algorithm, a spatial audio placement relative to a wearer during the detected head movements.

To separate excess material from an additively manufactured component, spatially resolved structural data on the component are received. On the basis of the structural data, a cavity of the component is divided by a virtual spatial grid into grid cells, wherein a spatial orientation of the grid relative to the component is specified by an orientation specification. On the basis of the orientation specification, a discrete grid of spatial orientations of the component is determined. Furthermore, the grid cells of the cavity are simulatively filled with virtual material. On the basis of the structural data, an emptying process of the virtual material from the component for spatial orientations limited to the discrete grid is then simulated, wherein a temporal sequence of orientations limited to the discrete grid is then determined. According to the simulated emptying process, the component is then successively rotated into the orientations of the temporal sequence.

A color display system for providing a virtual harmony evaluation between objects. A virtual harmony visualization may depict a digital representation of particular coatings applied to particular objects and may be based on selections made by a viewer. The particular coatings and particular objects may be defined by color data including attributes of a coating and spatial orientation data including attributes of a three-dimensional object. The digital representation of the virtual harmony visualization may also be based on attributes of a selected light source and / or predicted weathering which modifies the color data or the appearance of the coatings in the virtual harmony visualization.

Methods of interpreting navigating user interfaces on multiple devices based on spatial orientations of a user's hand are provided. The method includes receiving, from one or more sensors of a wrist-wearable device, data associated with performance of an in-air hand gesture by a hand of a wearer of the wrist-wearable device. The method further includes in accordance with a determination that the data indicates that the hand of the wearer is in a first orientation when the in-air hand gesture was performed, causing performance of a first operation at the wrist-wearable device. The method further includes in accordance with a determination that the data indicates that the hand of the wearer is in a second orientation when the in-air hand gesture was performed, causing performance of a second operation at a head-wearable device.

The invention discloses a blasting construction harmful effect control method and system, a medium and a product, and relates to the field of engineering construction. The method comprises the steps that a three-dimensional analysis model is constructed according to geologic structural plane data of a to-be-blasted area and spatial orientation data of a protected object, and a target area where the flying stone main throwing direction conflicts with the orientation of a vibration sensitive area is recognized based on the three-dimensional analysis model; constructing a blasting sequence according to the spatial range of the target area, the geologic structural plane occurrence and a preset safe throwing sector area; coupling simulation is conducted on the blasting sequence through the blasting dynamics simulation model, whether the flying stone throwing track and the vibration distribution meet the preset safety requirements or not is verified, and if not, blast hole grouping or detonation time difference is adjusted, and iterative optimization is conducted till a final blasting scheme meeting the flying stone throwing track and the vibration distribution at the same time is obtained; and outputting a final blasting scheme. By implementing the technical scheme, the harmful effect of blasting construction can be effectively controlled.

Embodiments of the present application relate to the technical field of robot antenna, and particularly relate to a method for determining a layout of a robot auricle antenna, a robot signal device and a robot. The method comprises the following steps: S1: establishing an auricle structure model; S2: selecting a first region as a position for setting an antenna unit and selecting a second region as a position for setting an electromagnetic function structure on the auricle structure model; S3: performing a collaborative optimization on a shape, a size, a position of the antenna unit on the first region and a spatial orientation and a geometric parameter of the electromagnetic function structure by electromagnetic simulation, with an improvement of a radiation performance and / or a port performance of the antenna as an optimization target; and S4: outputting final design parameters of the antenna unit and the electromagnetic function structure after optimization. The method integrates the antenna design and the robot auricle structure, avoids shielding and attenuation of electromagnetic waves by a metal body and internal structures, and improves the anti-interference capability and communication stability of the robot in a complex environment.

The invention relates to the technical field of man-machine interaction, and discloses a naked eye 3D interaction guiding method and system based on posture perception data, and the method comprises the steps: obtaining a continuous posture sequence of a user in a naked eye 3D display space; recognizing an action mode according to the motion vector and acceleration change of the key joint points in the continuous attitude sequence; generating a predicted interaction track according to the spatial orientation and the change trend of the action mode; comparing the predicted interaction track with a preset interaction area in real time, and taking the interaction area as a target interaction area when a main path section of the predicted interaction track is within a triggering range of the interaction area; calling interaction logic bound with the target interaction area in the naked eye 3D display space to determine a target interaction event; generating visual guidance information synchronized with the naked eye 3D display space according to the target interaction event; according to the invention, the accuracy of naked eye 3D interaction guidance can be improved.

The invention relates to a portable surgical robot which comprises an X shaft, a Y shaft, a Z shaft, a navigation device and a main control device, the X shaft, the Y shaft and the Z shaft are connected to a mechanical arm base through a mounting base, the X shaft, the Y shaft and the Z shaft are matched with one another to control the spatial orientation of a tail end device of the portable surgical robot, the X shaft comprises at least one adjusting mechanism parallel to the X shaft, and the main control device is connected with the navigation device. The Y shaft comprises at least one adjusting mechanism parallel to the Y shaft, the Z shaft comprises at least one adjusting mechanism parallel to the Z shaft, and the main control device is connected with the X shaft, the Y shaft and the Z shaft. By means of the technical scheme, the size of the adjusting device can be reduced, and meanwhile accurate adjustment of the tail end device is achieved in the X-axis direction, the Y-axis direction and the Z-axis direction.

A method for target detection based on spatial phase correlation analysis of acoustic vortices comprises the steps of generating a vortex-like excitation acoustic field, receiving the scattered acoustic pressure information after the incidence of the acoustic vortex, extracting the correlation coefficient between the spatial phase of the scattered acoustic field and the reference phase matrix, and predicting the presence, size, and spatial orientation of the target to achieve the target detection function. The method breaks through the diffraction limit to detect small targets and determine their spatial positions. Using acoustic vortices as information carriers, the method provides new ideas and technical solutions for the field of target detection.

The invention relates to a method for equipping a mounting plate with equipping components of a switchgear and / or control system, the method comprising the steps:Reading planning data of a switchgear and / or control system into an automatic equipping machine, which has a equipping robot;Extracting position data of at least one equipping component to be mounted on the mounting plate and / or at least one machining position of the mounting plate from the planning data;Detecting a spatial orientation and / or a position of the mounting plate with an image processing system of the equipping robot;Assigning the position data to at least one position on the mounting plate; andExecution of at least one processing or equipping step linked to the position on the mounting plate via the planning data at the position on the mounting plate with the equipping robot.

The invention relates to an agricultural machine (1), preferably a combine harvester or forage harvester, with a visualization device (3) designed to display image data and process data. The machine (1) has a monitoring device (10) with a camera system (11, 12, 13, 14, 15) for capturing fields of view (21, 22, 23, 24, 25) in the vicinity of the machine (1), a cleaning system (18) for cleaning the camera system (11, 12, 13, 14, 15) and a data processing unit (20), wherein the data processing unit (20) is configured to generate context-relevant process data of the machine (1) and image data, each based on the captured fields of view (21, 22, 23, 24, 25), and wherein cameras (11.1, 11.2, 11.3) of the camera system (11, 12, 13, 14, 15) are mounted on at least one support structure (5) of the machine (1) and with a fixed spatial orientation. The arrangement is intended to be attached to each other.The invention further relates to a method for operating.

The application discloses a kind of based on microseismic crack face construction and seepage evaluation method, belong to geological analysis technical field.Use hydraulic fracturing to the detection area, the microseismic source position identification generated by rock mass rupture;Determine the best fitting crack plane from the clustered microseismic source position, extract the spatial orientation information of hydraulic fracturing induced crack;Reconstruct the spatial distribution range of hydraulic fracturing induced crack in the plane, obtain the induced crack geometry of limited scale;Discretize the geometry of induced crack face, construct a simplified hydraulic fracture plane at the perforation location and discretize, form the crack geometry set containing induced crack and hydraulic fracture;Embed the crack geometry set containing induced crack and hydraulic fracture into the rock geometry model, carry out reservoir seepage simulation under real working conditions, quantitative evaluation.It is simple in steps, convenient to use, and has good imaging effect.

An optical measurement system can improve the accuracy of its estimates of distances to surrounding objects by improving various aspects of its data path. Spatial resolution can be improved by subdividing histogram bins or integration registers based on spatial orientation. Saturation at any point in the data path can be detected and used to stop counting photons in individual pixels, which can then be normalized after the end of the measurement. Multiple peaks can be detected using a recursive or iterative technique to identify the largest remaining peak at each stage. Instead of iterating through the histogram memory multiple times, thresholds can be precomputed based on an estimated ambient noise level, and peaks can be detected in a single pass.

The invention discloses a flight personnel space orientation capability assessment method based on holographic eye movement characteristics, and belongs to the technical field of flight personnel capability assessment. Extracting multi-dimensional eye movement characteristics such as pupil contraction / expansion tracks, iris stability parameters and proportional change rate; aligning and matching the eye movement characteristics with real-time flight attitude and environmental stimulation data; carrying out collaborative analysis on the features, and generating a fusion eye movement feature vector insensitive to ambient light interference; and finally, inputting the spatial orientation capability into a pre-trained spatial orientation capability evaluation model, and outputting quantitative evaluation values of spatial perception acuity, environmental adaptability and stress response level. According to the method, the problems that an existing evaluation method is high in subjectivity, prone to being interfered by the environment and difficult to comprehensively reflect the complex physiological cognitive state of the pilot are solved, and more objective, stable and comprehensive quantitative analysis on the spatial orientation capacity is achieved.

A monitoring device (7) for detecting a wing (2) that can pivot relative to a frame (1) has differently oriented signaling and safety reed contacts (13-15). Due to the different spatial orientations, the reed contacts (13-15) also have differently oriented response lobes (23, 24) for detecting a signaling magnet (16). This ensures that the position of the signaling magnet (16) and any attempted manipulation using an external magnet are reliably detected.

The invention relates to the technical field of numerical control machining error compensation, and discloses a ball-end milling cutter contour error compensation method and device, a medium and equipment, and the method comprises the steps: obtaining contour error values between actual cutter contours and theoretical cutter contours of a ball-end milling cutter in a plurality of spatial orientations; an original cutter location file generated based on the theoretical cutter contour is obtained, and the original cutter location file comprises cutter location points and cutting contact points; based on the contour error value, a tool contour error compensation model with the normal direction of the cutting contact point as the compensation direction is established; and correcting the cutter location point coordinates of the cutter location points by using the cutter contour error compensation model to generate a compensated cutter location data file. According to the method, point-by-point compensation is carried out in the normal direction of the cutting contact point based on the multi-azimuth actual measurement contour error, and high-precision and space self-adaptive 3D cutter radius compensation is achieved.

This invention discloses an intelligent measurement method and system for structural cracks based on laser measurement, belonging to the field of structural inspection and measurement technology. The method includes acquiring a high-density three-dimensional point cloud of the structural surface through laser scanning, segmenting the point cloud of candidate crack regions and the point cloud of the complete structural surface. Geometric morphological refinement and skeleton extraction are performed on the candidate point cloud to generate crack skeleton lines and construct its topological connection map, thereby accurately calculating the crack length, width, and orientation angle. By fusing the crack geometric parameters with the structural surface reference information, the spatial position parameters of the crack on the structure are calculated. This method ensures the accuracy of calculating the geometric parameters of complex cracks through skeleton extraction and topological analysis, and provides a precise spatial orientation description of the crack by fusing structural reference information, ultimately generating a comprehensive measurement report including geometric morphology and spatial position.

The invention discloses a spatial orientation real-time analysis method based on eye movement, relates to the related technical field of flight training, and aims to overcome the defects of low analysis accuracy and poor adaptability in the prior art. The method comprises the following steps: acquiring pilot eye movement data through eye movement tracking equipment, acquiring head space orientation data through a flight helmet space sensor, and acquiring environment data containing instrument visual complexity and aircraft attitude from a virtual flight simulator; performing time synchronization on the three types of data; extracting features such as coordinates of a fixation point from the synchronous eye movement data; comparing the head orientation data with the reference data to generate deviation data; inputting the eye movement characteristics, the deviation data and the environment data into an evaluation model; the model dynamically adjusts parameters according to environment data, and calculates pilot space orientation capability indexes in combination with eye movement characteristics and deviation data. According to the method, accurate integration of multi-dimensional data can be realized, the analysis comprehensiveness and reliability are improved, a dynamic flight scene is adapted, and real-time accurate evaluation is realized.

The embodiment of the utility model discloses a platform for testing an automatic tool changing mechanism of a tool magazine. The platform comprises a base; the fixing mechanisms are arranged on the base, and each fixing mechanism is used for fixing the tool magazine to the base; the three dial indicators correspond to the fixing mechanisms respectively and are arranged to be fixed relative to the base, and when the tool changing arm rotates around the rotating axis to be converted from the tool taking position to the tool installing position, the positioning surface of the tool changing arm abuts against the three corresponding dial indicators to generate three actual readings; the calculation unit is used for calculating an actual included angle between an actual plane determined by the three actual readings and a reference plane determined by the three reference readings, and when the positioning surface of the tool changing arm in the tool mounting position is located in an expected plane, the three corresponding dial indicators are pressed against and generate the three reference readings; and the judging unit is used for judging that the spatial orientation of the positioning surface of the tool changing arm in the tool mounting position does not meet the requirement when the actual included angle is greater than the threshold included angle.

The present invention relates to an inflatable, moveable structure comprising: a fluid source; at least one chamber comprising a substantially inelastic outer membrane defining a cavity extending therebetween, in which the or each cavity is in fluid communication with the fluid source, and in which the or each chamber further comprises at least one first valve located on and extending through the outer membrane thereof; and a control system. The control system comprises at least one of: a plurality of pressure sensors, each pressure sensor located within a corresponding chamber and operable to determine the pressure of the fluid within the corresponding chamber and / or the pressure ratio of fluid within at least two chambers; and / or at least one spatial orientation sensor configured to determine the spatial orientation of the at least one chambers; in which the control system is operable to independently control operation of the at least one first and / or second valve in communication with the at least one chamber in response to one or more of the determined spatial orientation of the structure as determined by the spatial orientation sensor(s) and / or fluid pressure within the corresponding chamber(s) and / or pressure ratio of fluid within at least two chambers as determined by the pressure sensor(s).