992 results about "Spatial positioning" patented technology

A telemetry system and method for providing spatial positioning information from within a patient's body are disclosed. The system includes at least one implantable telemetry unit which includes (a) at least one first transducer being for converting a power signal received from outside the body, into electrical power for powering the at least one implantable telemetry unit; (b) at least one second transducer being for receiving a positioning field signal being received from outside the body; and (c) at least one third transducer being for transmitting a locating signal transmittable outside the body in response to the positioning field signal.

An electrosurgical medical device and method for creating thermal welds in engaged tissue. In one embodiment, at least one jaw of the instrument defines a tissue engagement plane carrying a variable resistive body of a positive temperature coefficient material that has a selected decreased electrical conductance at each selected increased temperature thereof over a targeted treatment range. The variable resistive body can be engineered to bracket a targeted thermal treatment range, for example about 60° C. to 80° C., at which tissue welding can be accomplished. In one mode of operation, the engagement plane will automatically modulate and spatially localize ohmic heating within the engaged tissue from Rf energy application across micron-scale portions of the engagement surface. In another mode of operation, a variable resistive body will focus conductive heating in a selected portion of the engagement surface.

Light sources are affixed at appropriate positions in a multilevel structure or in an obstructed environment. The light sources generate modulated light signals, such as controlled light-emitting diodes, which identify the positions of the light sources by their three-dimensional global positioning coordinates and / or equivalent representation that specifies their in situ locations in the environment. Mobile communication devices, upon receiving the light signals, can derive spatial positioning information and transmit such information to a remote location, such as an emergency response system.

A method and system for determining orientation and positioning of a vehicle trailer. A digital camera is placed on a vehicle. The camera is pointed to a trailer attached to the vehicle. The camera acquires images of the trailer. These images are processed and spatial positioning and orientation of the trailer is determined based on image processing. A special marker visible by the camera is set on the trailer. Relative positions of devices attached to the vehicle—global positioning receiver, spatial orientation measuring device and the digital camera are measured. When each digital frame is formed, coordinates and orientation data of the camera are measured. Pixels corresponding to the marker in the image are determined. A simplified copy of the image, containing only the data related to the marker pixels, is generated. The marker pixels are used for calculating position and azimuth orientation of the marker. The azimuth orientation of the trailer is calculated based on calculated azimuth orientation of the marker.

The invention discloses a real-time spatial positioning method for a mobile monitoring target in a geographical scene, which aims at solving the problems of great difficulty, time consumption and the like due to the fact that spatial positioning of a target in a video monitoring system requires artificial interpretation. The method comprises the steps of adopting a three-dimensional scene modeling technology, constructing a three-dimensional virtual geographical scene virtual imaging and a target spatial positioning computing system, rendering the existing high-precision digital elevation model or a three-dimensional scene model of a monitoring area, generating a three-dimensional virtual scene, setting parameters such as positions, postures and focal distances of cameras in a shooting process of each video image as virtual camera parameters in the scene according to a consistency relation between OpenGL (Open Graphics Library) perspective imaging and a photogrammetric principle, generating a simulated image, and reversely deducing three-dimensional geographic coordinates of the target according to consistency of the video image and the simulated image, and a reverse process of the perspective imaging. According to the real-time spatial positioning method, the quick positioning of a field mobile target can be achieved by utilizing a video monitoring image in a wide-range geographic environment.

An embodiment of the invention is a method of accurately determining the spatial location of an RFID tag in two-dimensions or three-dimensions. The method utilizes a plurality of RFID readers to make a plurality of distance, direction, and or time-of-flight determinations. Such determinations are made by sending a request signal from one of the plurality of RFID readers and listening for a response signal from an RFID tag received at each of the plurality of RFID readers. Correction factors are then determined and the time-of-flight factors adjusted. The adjusted time-of-flight factors are then used to determine more accurately the distances between the RFID tag and each of the plurality of RFID readers. These more accurate distance measurements are then used to determine the spatial location of the RFID tag.

The invention relates to an indoor and outdoor seamless positioning system integrated with satellite navigation and a bluetooth technology, and a method thereof. The system comprises an outdoor satellite positioning module, an indoor bluetooth positioning module, an indoor and outdoor positioning fusion switchover module, and an electronic map display module. The outdoor satellite positioning module performs outdoor positioning by using GPS or Beidou Satellite navigation terminals. The indoor bluetooth positioning module performs indoor positioning by using a field intensity attenuation principle and a three-dimensional spatial positioning algorithm. The indoor and outdoor positioning fusion switchover module performs fusion, switchover, and integration on indoor and outdoor positioning methods according to strength of indoor and outdoor positioning communication signals and based on a federated kalman filter, so as to realize smooth transition of indoor and outdoor positioning. The electronic map display module displays positioning results based on two-dimensional electronic maps or indoor plane graphs, and three-dimensional building model scene graphs. The system can provide an indoor and outdoor integrated positioning function for intelligent mobile devices, and positioning speed is fast, and positioning precision is high.

The present invention enables the processing head to locate itself precisely on the surface of the structure being processed, and to then reposition itself correctly for the next laser spot. Further, the present invention will complete processing a laser peened area, the area including a multiplicity of spots arranged in a specific pattern, and correctly laser peen each spot in the area under control of a controller including control linkages with the laser.The invention further provides an automated laser peening processing head encompassing spatial position sensing and locating means, as well as programmed spatial positioning, application of overlay materials, verification of proper overlay condition and positioning, and notification of the laser to pulse the surface of the structure.

A method and system for simulating a wireless environment is provided including a central RF combining component; a plurality of connection nodes, each connection node in RF connection with the central RF combining component through a programmable attenuation component; wherein the programmable attenuation components are controlled by a controller console, the controller console maintaining information regarding simulated spatial positioning of the plurality of connection nodes in the simulated wireless environment, and adjusting the programmable attenuation components to appropriately simulate the simulated spatial positioning of the connection nodes in the simulated wireless environment. Additionally, an RF module for creating and receiving RF signals in a test environment is provided.

A system includes an array of N electrode elements configured to be attached to an external region of a patient, and a processing device coupled to the array. The processing device is configured to receive a set of bioelectric data signals from the array, determine from the set of data signals a set of elements of the array that are, according to a predetermined standard, insufficiently attached to the external region, and generate to a display device, in at least two dimensions, a representation of the external region and the spatial positioning of the insufficiently attached set of elements on the external region.

The invention provides a SRP-PHAT multi-source spatial positioning method. The method comprises the steps that the number and spatial positions of all microphones in a uniform circular microphone array are assumed to be unchanged in the data obtaining process at first, the isotropous microphones are evenly distributed on a circumference which has the radius r and is located on an x-y plane, the direction of arrival of a plane wave s is expressed by polar coordinates, the original point of the coordinate system is located on a circle center position of the circular array, multiple sound source signals are divided into non-overlapped time frequency point sets, each time frequency window contains only one movable source signal, and weak W orthogonal separation conditions are met; a Hamming window is selected, a controllable response power function is calculated and a target function is obtained through a SRP-PHAT algorithm, wave beams are controlled to carry out scanning in all the possible receiving directions, and the wave beams output the direction value with the maximum power to obtain the direction of a sound source, so that the DOA estimation of the multiple sound sources has the better separating performance in the strong noise and moderate reverberation acoustic environment, the real peak value is obviously outstanding, and high positioning precision is achieved.

The invention refers to a system to treat and / or diagnose a patient's eye. The system in this invention comprises several devices for the treatment and / or diagnosis of the eye as well as means for the logical linking of the devices with each other, such as systems for the spatial positioning of the devices relative to each other, configurations for the positioning of the patient and the eye to be treated relative to the respective devices, systems for the controlled supply of the devices with power and auxiliary power, and / or notification tools to transmit information or control commands between the above-mentioned devices, units, configurations and systems, and to put out information.

A system is disclosed that determines a spatial position of a tracker device relative to an object sending a return signal to the tracker. Such a system advantageously maintains phase accuracy between a forward signal from the tracker device and the return signal generator from the object. The system can include, as part of a tracker device, a reference signal generator, a transmitter, a receiver, and a spatial position computer. The reference signal generator is responsive to and phase-stabilized by a broadcast signal, e.g., a signal received from a commercial AM broadcast transmitter. The transmitter and receiver are both coupled to and phase-stabilized by the tracker reference signal generator. Variations and methods with different advantageous features are also described.

A jig for trialing a head and conjoining portion of a humeral (shoulder) prosthesis and transferring the spatial positioning to a final implant allows a surgeon to adjust humeral head position thereof in three-dimensional space with respect to a humeral component of the humeral prosthesis that has been either previously implanted into a humerus of a patient or not. The jig utilizes a rotatable body such as a sphere that is non-translatable relative to a jig body. A trial implant construct, having a head and neck that is fixed relative to one another (is spatially positioned), is placed in the jig with the neck thereof in contact with the rotatable sphere. As the head is caused to align with markings on the jig and situated flush with the jig, the rotatable sphere replicates the angular position of the neck with respect to a fixed position head. A final implant construct whose components are not fixed relative to one another, is placed in the jig which automatically transfers the spatial positioning of the trial implant construct to the final implant construct.

The invention relates to a reality-mixed helmet display system and a control method thereof. The helmet display system comprises a helmet display body and a peripheral matched attachment, wherein the peripheral matched attachment includes monochromatic background equipment; the helmet display body comprises a real scene collection module used for collecting true real scene data of an outside world in real time, a virtual scene generating module used for generating a virtual scene, an image fusion module used for overlapping a real scene and the virtual scene, a spatial positioning module used for collecting spatial position information in real time, and an image display module used for displaying a virtuality and reality combined image. According to the reality-mixed helmet display system and the control method thereof, after the real scene data are subjected to background transparency processing, the real scene data are overlapped with the virtual scene; the scene adaptability is good; the real scene, especially operations of hands can be observed through mixing a reality so that a user can link a real object and a virtual world; and the virtual world and the real world are perfectly combined, the sense of immersion is strong and the real sense experience is available.

Devices, systems, kits, and methods for detecting and / or identifying a plurality of spectrally labeled bodies well-suited for performing multiplexed assays. By spectrally labeling the beads with materials which generate identifiable spectra, a plurality of beads may be identified within the fluid. Reading of the beads is facilitated by restraining the beads in arrays, and / or using a focused laser.

An apparatus, method and sensor apparatus for determining a spatial positioning of loading equipment is disclosed. The loading equipment has an operating implement for loading a payload, the operating implement being coupled to a support for movement relative to the support. The apparatus includes an orientation sensor disposed on the support and being operable to produce an orientation signal representing an orientation of the support. The apparatus also includes a displacement sensor operable to produce a displacement signal representing a displacement of the operating implement relative to the support. The apparatus further includes a processor circuit operably configured to receive the orientation signal and the displacement signal, use a kinematic model of the loading equipment to compute a spatial positioning of the loading equipment, and produce an output signal representing the spatial positioning.

The invention discloses a navigation system and method of a minimally invasive surgery. The navigation system comprises a composite endoscope body, a spatial positioning device and a surgery navigation server. The method comprises the steps that preoperative diagnostic images are subjected to three-dimensional model reconstruction and preoperative planning before navigation is performed; during the navigation, three-dimensional optical image signals and two-dimensional ultrasonic image signals of intraoperative organs and tissue are simultaneously acquired and three-dimensional reconstruction is performed, a three-dimensional model of the preoperative diagnostic images with preoperative planning information is subjected to organ and tissue deformation correction, and a three-dimensional optical model and a dynamic preoperative registration model are subjected to registration and fusion, so that the functions of optical navigation and ultrasonic navigation are simultaneously achieved, the intraoperative optical navigation can be switched to the intraoperative ultrasonic navigation continuously in real time, and a key position point, an optimum surgical entry point and an internal travel path of the intraoperative organs and tissue are continuously achieved in all dimensions from surfaces of organs and tissue to inner structure of organs and tissue. The navigation system and method of the minimally invasive surgery overcomes the defect of relatively single and discontinuous functions existing in the prior art, and is capable of lowering surgical risks.

The embodiment of the invention provides a spatial positioning method and device, electronic equipment and a computer readable storage medium, and relates to the technical field of the big data. The spatial positioning method can be applied to intelligent equipment comprising an image collection device and an inertial measurement device, and comprises the following steps: acquiring image collection device pose information corresponding to the current frame image; optimizing the image collection device pose information corresponding to the current frame image according to the image collection device pose information corresponding to a key frame image, feature point description information and the inertia information; and acquiring the spatial positioning of the current frame image accordingto the optimized image collection device pose information corresponding to the current frame image and the image collection device pose information corresponding to the key frame image. The spatial positioning precision and positioning effect can be improved through the spatial positioning method provided by the invention.

The invention discloses a stereoscopic vision optical tracking system aiming at multipoint targets, which belongs to the field of the mechanical vision and positioning tracking technique. The stereoscopic vision optical tracking system utilizes a mode based on hardware realization, utilizes a binocular camera to acquire targets and original images of the background, adopts a parallel pipeline to identify and mark the targets rapidly and utilizes a dual-core digital signal processor to perform parallel operation, and then space positioning and tracking of the target is completed. The parallel pipeline processing and the dual-core serial computing are combined, and then hardware resources are allocated reasonably according to different algorithm characteristics. The stereoscopic vision optical tracking system is free of constraint of a PC or working station and breaks through the bottleneck of software computing resources of the PC or working station. In addition, the system can perform real-time positioning and tracking on multipoint targets in space in different illumination environments with different target illumination strengths, and can real-time track over 100 point targets in space in a non-drop frame form. Tracking precision of the system can reach 0.5mm RMS.

The invention relates to an autonomous navigation and man-machine coordination catching operating system of a benthic organism catching robot, which comprises a catching robot, a computer used for carrying out comprehensive analysis processing and judgment on catching site and the state of the catching robot and used for providing remote intervention and management for catching management personnel in man-machine coordination catching operation, a mother ship used for carrying the management personnel and collecting and transporting catching objects, and a GPS (Global Positioning System) used for positioning the spatial location of the mother ship; information interaction is carried out between Agent in the catching robot and the mother ship on the water surface, and the actions of benthic walking, identification and space orientation of the catching objects, control catching and the like are autonomously finished. The autonomous navigation and man-machine coordination catching operating system of the benthic organism catching robot is simple in mechanism, low in control complexity, limited in intelligentization, high in catching efficiency, good in environmental suitability and low in manufacturing and maintenance costs, and can pointedly realize catching.

The invention discloses an internet-oriented place name extraction and standardization method. According to the method, aimed at existing ways and structural features of place names and addresses in an internet page, identification is performed based on state administrative division information and a nationwide basic place name and address library by utilizing identification rules and dynamic relationships of the place names and the addresses, a multi-stage place name and address expression model and an extraction method are researched, automatic identification, extraction and standardization of Chinese place names and addresses in text information of the internet page are realized with reference to a place name and address standard model through superior-subordinate semantic relationships of the place names and the addresses in the text, and a technical basis is provided for spatial positioning of related geographic information of geographic entities, events and the like.

The invention relates to a substation illegal line-crossing prompting method based on ultra-wideband (UWB) positioning. The method comprises: a safe area of a device is drawn in a substation three-dimensional model and a visual three-dimensional electronic fence is formed; UWB positioning system deployment is carried out in the substation; according to a content of a work ticket, a corresponding working area is drawn; a staff member in the substation wears a spatial positioning device; a background carries out calculation to obtain the real-time position of the staff member; the background carries out comparison with safety fence boundary data to calculate whether someone approaches or crosses a safety distance and a corresponding working range; if any early-warning or line-crossing behavior is made, the information is sent to a smart watch worn by the staff member; the information is sent to an administrator background; and the background records data including the person doing alarming, lasting time, and a walking path of the alarm event. Therefore, the staff member and the administrator are prompted effectively; and the background records the line-crossing behavior so as to carry out follow-up work and analysis conveniently.

The invention relates to a video analysis-based space positioning method. The method comprises the following steps: 1, obtaining and storing coordinate information, parameter information and relevant attribute information of a plurality of cameras in a range; 2, obtaining and storing video data containing a target; 3, searching the video data containing the target according to the characteristic information of the target; 4, obtaining and storing the coordinate information of the target at every moment in real time according to the information of the position of the target relative to the cameras, and the position coordinate information, the parameter information and relevant attribute information of the cameras; and 5, obtaining the motion locus of the target according to the coordinate information of the target at every moment. The method fully utilizes the dense monitoring facility laid in the city scene, can rapidly position the accurate position of the target, can obtain the motion locus of the monitored target within a period of time, solves the accurate positioning problem in the complex city scene, and avoids the position description complexity existing in simple latitude and longitude positioning.

The invention discloses a space positioning device and positioning method used in a VR (virtual reality) system. The device comprises a camera posture calibration module, a camera posture fixing module, an initialized image collecting processing module and a continuous image processing module, wherein one or more than one camera is worn on the human body; the camera is fixed on the human body positions; in the human body moving process, the continuously collected image is subjected to image processing; the movement of the camera in the axial direction and the moving distance and direction of the camera in the plane vertical to the axial line are obtained through calculation; the human body displacement is obtained. Therefore the space positioning in the VR system is realized. By using the technical scheme, the positioning device and the positioning method have the advantages that peripheral equipment such as arrangement cameras in VR positioning scenes can be simplified, and the use is more convenient.

The invention discloses a space locating method that is based on a network of planar dual-rotation laser transmitters, the rotation of three or more than three rotating transmitters are driven by an alternate current servo motor, the rotating transmitters that have two linear laser devices arranged on the head part transmit laser signals continuously to the surrounding space, the time distance of OZ pulse between a laser peak position that is sampled by a receiver module that takes a photocell as a sensor and a time origin is converted into a rotating angle of a laser plane, and consequently, the equation of the laser plane where measured points are positioned is deduced, an equation of a straight line that runs through the measured points is further obtained, an equation set is built according to the intersection method of multiple lines, and finally the equation set is solved by the least square method, thus obtaining the coordinate positions of the measured points. The space locating method avoids object aiming when measuring, and improves measuring speed and efficiency.

The invention relates to an apparatus for detecting integrity of foundation piles by using the acoustic transmission method and a detection method used therein, belonging to the technical field of acoustic detection of foundation piles. According to the invention, simultaneous detection of measuring lines at a plurality of directions in the process of one full elevation lifting detection of a profile is realized by arranging at least two tandem radial energy transducers at cable terminals; the method has the advantages of simplified detection procedures and improved detection efficiency, is more favorable for spatial positioning of a defect part and can be extensively used in detection of integrity of foundation piles by using the transmission method.

The present invention discloses a spatial position and attitude determination system based on a virtual reality (VR) technology and a method therefor. The spatial position and attitude determination system mainly comprises a VR helmet, two base stations, two VR handles and a computer. Wireless communication is performed between the two VR handles and the VR helmet, between the base stations and the VR helmet, and between the helmet and the computer all by means of a Bluetooth module. By application of the spatial position and attitude determination system and the method therefor provided by the present invention, the technical defect that inherent measurement errors exist in the VR system spatial position and attitude determination system based on an inertial sensor and will be accumulated along with an integration process, which causes position drift so that continuous and accurate spatial position measurement data cannot be provided can be effectively overcome.