81 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 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.

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.

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.

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.

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.

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 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.

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.

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 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).

This invention provides a sky-polarized light adaptive dimming system based on multi-dimensional spatial orientation compensation, belonging to the field of smart wearable device technology. This invention introduces head posture feedback and polarization vector calculation to compensate for angular errors caused by posture deviation in real time, ensuring that the lens polarization axis remains precisely orthogonal to the ambient glare axis in dynamic scenarios such as cycling and sports, maintaining the highest glare filtering efficiency. This invention crosses technical barriers by introducing biomimetic polarization coordinate system transformation and solar altitude weighting, achieving a full-posture dynamic extinction effect unmatched by traditional solutions. The deep fusion of multiple sensors in this invention solves the technical barrier of ambient light source identification. By combining polarization light sensors, inertial measurement units, and global positioning data, it can intelligently decouple sky-scattered light and ground-reflected glare, thereby achieving intelligent switching between anti-glare optimization mode and sky polarization adaptation mode, optimizing blue sky contrast while filtering strong light.

A method and a device for using an XR device for data acquisition and display using a distributed architecture with LLMs are disclosed. The method involves acquiring, in an environment and using an XR device, sensor data from a plurality of sensors, wherein the sensor data includes image, audio, and depth data. Using the sensor data, a world grid corresponding to a three-dimensional geometric representation of the environment is generated, if present. Based on the image data, spatial orientation data is generated, specifying the respective positions and orientations of a plurality of objects present in the world grid. Speech in the audio data is converted to text. Using the text and image data, a prompt is created. LLMs are executed using the prompt and generate a text output that is supplied to the XR device to produce a visual output.

According to the test platform and the test method for measuring the pitching moment of the underwater motion model, during test, the test model is supported by the test platform and can move in water, free pitching motion is generated under the action of incoming flow, and the pitching moment of the test model is accurately and truly measured through the test platform. Specifically, the test model and the force transmission mechanism are movably installed through the connecting mechanism, and meanwhile, the force transmission mechanism and the support are also movably installed, so that the test model can perform free pitching motion to the maximum extent, and the authenticity, accuracy and environment adaptive capacity of overall measurement of the test platform are improved. Furthermore, the force transmission mechanisms are arranged on the two sides of the test model in pairs in a staggered mode, so that fine changes of stress distribution of the model are directly captured from different spatial orientations, complementary mechanical signals are directly formed, the force transmission structures are simplified, meanwhile, more accurate and more real indirect measurement of the pitching moment of the test model is achieved, and the test accuracy is improved. And the detection convenience, authenticity and accuracy of the test platform are improved.

This invention discloses a non-destructive method for detecting the angle of steel wires in a tire belt layer. The method includes: placing physical markers on the tread surface of the tire under test; performing an X-ray scan on the tire with the physical markers to obtain an X-ray image; dynamically adjusting the position of the physical markers on the tread surface based on the X-ray image until the projected image of the physical markers on the X-ray image is spatially aligned with the projected image of a target steel wire in the internal belt layer; determining the spatial orientation of the adjusted and aligned physical markers on the tread surface; and calculating the angle of the target steel wire based on this spatial orientation. This invention achieves direct imprinting and high-precision measurement of angles by adjusting the placement of the tread steel wires in real time to match the spatial trajectory of the belt layer steel wires.

Device (10) comprising: - a control device (12) for generating graphic data (G) representing a virtual space (28), - a display unit (14) to be worn on the head (20) by a user (18), which is designed to shield the eyes of the user (18) from light from an environment (24) and to display the virtual space (28) into a field of vision (V) of the user (18) by displaying the graphic data (G), - a localization device (16) designed to detect the spatial orientation (P) of the display unit (14), wherein the display unit (14) has a camera (34) designed to generate image data (C) of the environment (24), which represents the real environment in which the user is located while using the display unit, and the control device (12) is designed to output the image data (C) to the display unit (14) depending on the detected spatial orientation (P), so that the display unit (14), in the case of a certain orientation of the display unit, displays the environment (24), i.e., the real environment in which the user is located, at least in a partial area (46) of the field of view (V) by displaying the image data (C), characterized in that a) the control device (12) is designed to display the image data (C) by means of the display unit (14) during a translational movement of the display unit (14) caused by a movement of the user (18), and / or b) the control device (12) is designed to display the image data (C) by means of the display unit (14) when a change in perspective from which the virtual space (28) is represented by the graphic data (G) occurs, independent of any body movement of the user (18).

System and method for projecting audio signals to an operator of a teleoperational surgical system to convey spatial orientation associated with the audio signals to the operator. Characteristics of the audio signals such as direction and volume may be selected to give the impression that the remote operator is positioned locally next to the patient. Characteristics of the audio signals may also be modified to provide spatial translations between actual locations of audio sources within a physical audio environment and simulations locations of the audio sources with a virtual audio environment.

This application provides a method, apparatus, computer device, and readable storage medium for detecting finger pointing, relating to the field of human-computer interaction. The method includes: acquiring an image to be detected, and performing hand pose estimation on the image to obtain the coordinates of key hand points in the image; calculating finger pose data based on the key hand point coordinates, and determining whether the hand pose is a single-finger pointing pose based on the finger pose data; when the hand pose is a single-finger pointing pose, calculating the spatial orientation of the single finger pointing based on the key hand point coordinates, and determining the pointing position of the single finger on the display screen based on the spatial orientation. The embodiments of this application can achieve hand pose estimation and finger pointing determination, accurately determining the pointing position of the user's finger on the display screen, thus improving the accuracy of user interaction with the display screen.

1. Name of the product in this design: Spatial Orientation Obstacle Simulator. 2. Purpose of this design: This design is intended to simulate illusions and familiarize pilots with the various catastrophic effects of spatial disorientation and the various illusions that may be experienced in modern flight operations. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The present invention relates to a computer-implemented method for surgical navigation comprising the following steps: obtaining image data of a patient, the image data having an image coordinate system; obtaining a position of a virtual coordinate system in the image, the virtual coordinate system having a spatial position and a spatial orientation in the image coordinate system; obtaining a spatial position of a patient sensor and a spatial orientation of the patient sensor in a tracker coordinate system, wherein the spatial position and orientation of the sensor are fixed in relation to the patient; obtaining at least a spatial position of a tracked instrument in the tracker coordinate system; and calculating a spatial position of the tracked instrument in the image coordinate system using the spatial position and spatial orientation of the virtual coordinate system and patient sensor.

Methods, systems, and storage media for rendering images are disclosed. Exemplary implementations may: receive object(s) in an area of interest of a mixed reality environment; identify a foveated region; generate a grid in proximity to the foveated region; determine coordinate(s), wherein each coordinate is defined based on a spatial orientation in the grid; assign the coordinate(s) to the object(s) in the area of interest; compress a portion of the grid external to the foveated region and data associated with the object(s) covered by the portion of the grid external to the foveated region; implement a chromatic aberration correction (CAC) protocol to the compressed coordinate data and compressed object data; transmit the foveated region, compressed coordinate data and object data; decompress the compressed coordinate data and object data; and render an environment associated with the area of interest using the foveated image and object data external to the foveated image.

Devices, a system, and a method for tracking a three-dimensional position of an object absent an external reference. The embodiments include: a tether tied to the object; an encoder associated with the tether so as to measure linear displacement of the tether; at least one orientation sensor configured to sense a spatial orientation of the linear displacement of the tether; a joint configured to associate the orientation sensor with the tether, and to associate the tether with the object without impedance to three-dimensional movement of the object; and a computing system communicative with at least the encoder and the orientation sensor and configured to execute non-transitory computing code capable of the tracking of the three-dimensional position of the object from an initial position according to a combined output from the encoder and the orientation sensor.

The utility model discloses an ultrasonic catheter and ultrasonic equipment, and relates to the technical field of medical instruments.The ultrasonic catheter comprises a catheter body and an ultrasonic probe, the ultrasonic probe is connected to the far end of the catheter body, and the catheter body comprises a first pipe fitting and a second pipe fitting; the far end of the first pipe fitting comprises a deflection section, and the deflection section can be controlled to bend to drive the working surface of the ultrasonic probe to change the spatial orientation; the second pipe fitting and the first pipe fitting are coaxially arranged, and the second pipe fitting can be driven to rotate circumferentially so as to drive the working surface of the ultrasonic probe to rotate relative to the first pipe fitting; the ultrasonic probe emits ultrasonic waves in multiple directions of the spatial orientation along with bending of the first pipe fitting and rotation of the second pipe fitting. According to the ultrasonic catheter, bending is controlled through the deflection section, rotation is controlled through the second pipe fitting, and the problem that in the prior art, deflection and rotation functions of an ultrasonic catheter are difficult to achieve at the same time is effectively solved.

The invention discloses a spatial orientation obstacle intervention training device based on a virtual reality system, and the device comprises a six-degree-of-freedom motion platform, one side of the six-degree-of-freedom motion platform is provided with a flight operation assembly, and the top end of the six-degree-of-freedom motion platform is provided with a tactile feedback assembly. Potential safety hazards in real flight are avoided, weak links are accurately positioned by analyzing physical signs of a pilot, such as correlation of heart rate, eye movement and operation behaviors, and a training scheme is customized; the device is low in training cost, is not limited by weather conditions, and realizes high-frequency intensive training.

The application provides a spatial orientation high-resolution mapping method and system for single crystal EBSD, comprising the following steps: S1: collecting diffraction signals of a single crystal sample by a backscattering electron diffraction technology to obtain Euler angle parameters and corresponding spatial coordinates of pixel points; S2: converting the obtained Euler angle parameters into polar angle parameters according to a crystallographic coordinate transformation relationship, and establishing a corresponding relationship between the polar angle parameters and the spatial coordinates; S3: discretizing continuous polar angle information into polar angle grid units; S4: mapping the polar angle parameters of each pixel point to the polar angle grid units to realize attribution determination and partition aggregation of the pixel points in an angle space; and S5: explicitly representing spatial distributions corresponding to each angle unit to establish a mapping relationship between the polar angle and the spatial coordinates.

The invention discloses a man-machine interaction type digital ancient book display method and system based on aerial imaging, and relates to the technical field of man-machine interaction, and the method comprises the steps: obtaining a user viewpoint position set and a page edge point position set of an aerial imaging region, and calculating a spatial orientation projection between a page edge point and a user viewpoint, generating a reflection azimuth change set; based on the reflection azimuth change set, identifying a boundary area causing reflection path jump, extracting a viewpoint angle corresponding to the boundary area, and screening a stable observation direction with the minimum reflection response change amplitude as a page main reflection direction; calculating an included angle projection value through the page main reflection direction and the viewpoint angle, and generating a page continuous focal plane group according to the included angle projection value; according to the invention, the spatial consistency of parallax correction and the continuous stability of focal depth change of the aerial imaging page are kept in the real-time change process of the imaging distance, so that the imaging continuity and observation consistency of the digital ancient books in interactive display are ensured.