1423 results about "Physical space" patented technology

A system and method for intra-operatively providing a surgeon with visual evaluations of possible surgical outcomes ahead of time, and generating simulated data, includes a medical imaging camera, a registration device for registering data to a physical space, and to the medical imaging camera, and a fusion mechanism for fusing the data and the images to generate simulated data. The simulated data (e.g., such as augmented X-ray images) is natural and easy for a surgeon to interpret. In an exemplary implementation, the system preferably includes a data processor which receives a three-dimensional surgical plan or three-dimensional plan of therapy delivery, one or a plurality of two-dimensional intra-operative images, a three-dimensional model of pre-operative data, registration data, and image calibration data. The data processor produces one or a plurality of simulated post-operative images, by integrating a projection of a three-dimensional model of pre-operative data onto one or a plurality of two-dimensional intra-operative images.

The invention relates to an input device having multifunctional keys, wherein the different functions are triggered by varying the pressure on the keys or by varying the depth to which the key is depressed or the distance it is moved (see FIG. 3). The input device requires substantially fewer keys than a standard qwerty keyboard to input data and requires less physical space. In certain instances the keyboard can be operated with one hand.

Using a transformation based at least in part on a non-simple orthogonal or unitary matrix, data may be transmitted over a data bus in a manner that is resilient to one or more types of signal noise, that does not require a common reference at the transmission and acquisition points, and / or that has a pin-efficiency that is greater than 50% and may approach that of single-ended signaling. Such transformations may be implemented in hardware in an efficient manner. Hybrid transformers that apply such transformations to selected subsets of signals to be transmitted may be used to adapt to various signal set sizes and / or transmission environment properties including noise and physical space requirements of given transmission environments.

A method and apparatus for collecting and processing physical space data used while performing image-guided surgery is disclosed. Physical space data is collected by probing physical surface points of surgically exposed tissue. The physical space data provides three-dimensional (3-D) coordinates for each of the physical surface points. Based on the physical space data collected, point-based registrations used to indicate surgical position in both image space and physical space are determined. In one embodiment, the surface of surgically exposed tissue of a living patient is illuminated with laser light. Light reflected from the illuminated surface of the exposed tissue is received and analyzed. In another embodiment, one or more magnetic fields of known shape and size are established in the proximity of the exposed tissue. Data associated with the strength of the magnetic fields is acquired and analyzed.

The present invention is a method and system for automatically analyzing a category in a plurality of the categories in a physical space based on the visual characterization, such as behavior analysis or segmentation, of the persons with regard to the category. The present invention captures a plurality of input images of the persons in the category by a plurality of means for capturing images. The present invention processes the plurality of input images in order to understand the shopping behavior of the persons with the sub-categories of the category and analyzes the level of engagement and decision process at the sub-category level. The processes are based on a novel usage of a plurality of computer vision technologies to analyze the visual characterization of the persons from the plurality of input images. The physical space may be a retail space, and the persons may be customers in the retail space.

An apparatus that collects and processes physical space data while performing an image-guided procedure on an anatomical area of interest includes a calibration probe that collects physical space data by probing a plurality of physical points, a tracked ultrasonic probe, a tracking device that tracks the ultrasonic probe in space and an image data processor. The physical space data provides three-dimensional coordinates for each of the physical points. The image data processor includes a computer-readable medium holding computer-executable instructions. The executable instructions include determining registrations used to indicate position in both image space and physical space based on the physical space data collected by the calibration probe; using the registrations to map into image space, image data describing the physical space of the tracked ultrasonic probe used to perform the image-guided procedure and the anatomical area of interest; and constructing a three-dimensional volume based on the ultrasonic image data on a periodic basis.

In a sensory input system that detects movement of a user's fingers on an inert work surface, two or more input modes (for instance, keyboard and mouse) are provided within an overlapping or coextensive physical space. Depending on the currently active mode, the invention interprets the finger motions as input according to one of the input modes. Automated and / or manual mode-switching are provided.

Noise reduction for application of structural test patterns to a Device Under Test (DUT) is accomplished with a capacitor “booster” bypass network on the probe card in which the capacitors are charged to a much higher voltage Vboost than the DUT power supply voltage VDD. Charging the capacitors to a voltage N×VDD allows the buster network to store N times the charge of a conventionally configured capacitance network, and effectively provides N times the capacitance of the original network in the same physical space.

A system for providing automatically populated display regions showing discovered access points and stations in a user interface representing a wireless communication network deployed in a physical environment. A generated user interface includes a first display region in which access point representations are displayed as corresponding access points are automatically discovered within the wireless network, and a second display region in which station representations are displayed as corresponding stations are automatically discovered within the wireless network. The first and second display regions are provided external to another display region, referred to as the “physical space” display region, in which is shown a representation of the physical space in which the wireless network is deployed. As the access point and station representations appear in the first display region and second display region, the user can manipulate them, for example by drag and drop operations using a computer mouse, in order to place them appropriately in the physical space display region. In response, the disclosed system superimposes the access point and station representations over the physical space representation. The access point and station representations can subsequently be similarly repositioned by the user within the physical space representation.

The invention discloses a logistics tracking method based on a block chain. The method comprises steps that a user sending node uploads parcel information to a main node; the main node generates a digital fingerprint for the parcel information uploaded by the user sending node, writes the digital fingerprint and a corresponding time stamp into a block chain, broadcasts the block chain in all nodes; each logistics node generates parcel state information successively according to the digital fingerprint, the node information of the logistics node and the node information of a next logistics node in accordance with a parcel physical space transfer path; a corresponding user receiving node signs for the parcel, generates parcel receiving information and uploads the parcel receiving information to the main node in order for the main node to write the parcel receiving information into the block chain. The logistics tracking method applies the block chain technology to the logistics field, guarantees the traceability of the authenticity and the state of logistics information by using the unchangeable characteristic of the block chain, saves the logistics information and update state information fast and efficiently according to the characteristic of a private chain in order to satisfy a requirement for logistics instantaneity.

The present invention is a method and system for automatically determining the trip of people in a physical space, such as retail space, by capturing a plurality of input images of the people by a plurality of means for capturing images, processing the plurality of input images in order to track the people in each field of view of the plurality of means for capturing images, mapping the trip on to the coordinates of the physical space, joining the plurality of tracks across the multiple fields of view of the plurality of means for capturing images, and finding information for the trip of the people based on the processed results from the plurality of tracks. The trip information can comprise coordinates of the people's position and temporal attributes, such as trip time and trip length, for the plurality of tracks. The physical space may be a retail space, and the people may be customers in the retail space. The trip information can provide key measurements along the entire shopping trip, from entrance to checkout, that deliver deeper insights about the trip as a whole.

In a method of calibrating an image capture environment based on a captured image obtained by capturing an image of a physical space by an image capturing unit that captures the image of the physical space, an image of the physical space is captured using the image capturing unit, an index serving as a reference for calibration is detected from the captured image of the physical space, the position and orientation of the image capturing unit are calculated from the detected index, and image capturing unit unique information, geometric information associated with the physical space, or the relationship between the image capturing unit and the physical space is calibrated using the obtained data.

A system and method for intra-operatively providing a surgeon with visual evaluations of possible surgical outcomes ahead of time, and generating simulated data, includes a medical imaging camera, a registration device for registering data to a physical space, and to the medical imaging camera, and a fusion mechanism for fusing the data and the images to generate simulated data, without correcting for distortion. The simulated data (e.g., such as augmented X-ray images) is natural and easy for a surgeon to interpret. In an exemplary implementation, the system preferably includes a data processor which receives a three-dimensional surgical plan or three-dimensional plan of therapy delivery, one or a plurality of two-dimensional intra-operative images, a three-dimensional model of pre-operative data, registration data, and image calibration data. The data processor produces one or a plurality of simulated post-operative images, without correcting for distortion, by integrating a projection of a three-dimensional model of pre-operative data onto one or a plurality of two-dimensional intra-operative images.

A method of finding a path from a start point to a target point, in multi-dimensional space, including: (a) determining a plurality of points in a physical space, including a start point and an target point; (b) computing, using a cost function, for said points an accumulated path cost from the start point to a point; representing a minimal cost path from the start point to the point with respect to an optimization criteria; (c) computing for at least some of said points an estimated-cost-to-target from a point to the target point; and (d) after computing said costs, determining at least one of a minimal path or a minimal path cost of a path from the start point to the target point in the physical space, wherein the determination is based on said accumulated path costs, and is minimal with respect to the optimization criteria.

Using a transformation based at least in part on a non-simple orthogonal or unitary matrix, data may be transmitted over a data bus in a manner that is resilient to one or more types of signal noise, that does not require a common reference at the transmission and acquisition points, and / or that has a pin-efficiency that is greater than 50% and may approach that of single-ended signaling. Such transformations may be implemented in hardware in an efficient manner. Hybrid transformers that apply such transformations to selected subsets of signals to be transmitted may be used to adapt to various signal set sizes and / or transmission environment properties including noise and physical space requirements of given transmission environments.

The present invention is a method and system for characterizing physical space based on automatic demographics measurement, using a plurality of means for capturing images and a plurality of computer vision technologies. The present invention is called demographic-based retail space characterization (DBR). Although the disclosed method is described in the context of retail space, the present invention can be applied to any physical space that has a restricted boundary. In the present invention, the physical space characterization can comprise various types of characterization depending on the objective of the physical space, and it is one of the objectives of the present invention to provide the automatic demographic composition measurement to facilitate the physical space characterization. The demographic classification and composition measurement of people in the physical space is performed automatically based on a novel usage of a plurality of means for capturing images and a plurality of computer vision technologies on the captured visual information of the people in the physical space. The plurality of computer vision technologies can comprise face detection, person tracking, body parts detection, and demographic classification of the people, on the captured visual information of the people in the physical space.

The present invention is a method and system for segmenting a plurality of persons in a physical space based on automatic behavior analysis of the persons in a preferred embodiment. The behavior analysis can comprise a path analysis as one of the characterization methods. The present invention applies segmentation criteria to the output of the video-based behavior analysis and assigns segmentation label to each of the persons during a predefined window of time. In addition to the behavioral characteristics, the present invention can also utilize other types of visual characterization, such as demographic analysis, or additional input sources, such as sales data, to segment the plurality of persons in another exemplary embodiment. The present invention captures a plurality of input images of the persons in the physical space by a plurality of means for capturing images. The present invention processes the plurality of input images in order to understand the behavioral characteristics, such as shopping behavior, of the persons for the segmentation purpose. The processes are based on a novel usage of a plurality of computer vision technologies to analyze the visual characterization of the persons from the plurality of input images. The physical space may be a retail space, and the persons may be customers in the retail space.

A system and method for intra-operatively providing a surgeon with visual evaluations of possible surgical outcomes ahead of time, and generating simulated data, includes a medical imaging camera, a registration device for registering data to a physical space, and to the medical imaging camera, and a fusion mechanism for fusing the data and the images to generate simulated data, without correcting for distortion. The simulated data (e.g., such as augmented X-ray images) is natural and easy for a surgeon to interpret. In an exemplary implementation, the system preferably includes a data processor which receives a three-dimensional surgical plan or three-dimensional plan of therapy delivery, one or a plurality of two-dimensional intra-operative images, a three-dimensional model of pre-operative data, registration data, and image calibration data. The data processor produces one or a plurality of simulated post-operative images, without correcting for distortion, by integrating a projection of a three-dimensional model of pre-operative data onto one or a plurality of two-dimensional intra-operative images.

A viewpoint information calculation unit (710) calculates a difference value (α) between reference position and orientation information and position and orientation information held by a camera viewpoint storage unit (207), and a difference value (β) between the reference position and orientation information and position and orientation information held by a CG viewpoint storage unit (208). If |α|≧|β|, a physical space image is shifted by a shift amount calculated in accordance with the resolution of a display unit (213), a difference amount, and the angle of view of a camera (203), and is composited with a virtual space image. If |α|<|β|, the virtual space image is shifted by the shift amount, and is composited with the physical space image.

An experiential digitalized multi-screen seamless cross-media interactive opening teaching laboratory is integrated in testing, researching and analyzing. Experiment and data analysis are performed in a real teaching environment; under support of the multi-screen interactive technology, the laboratory comprises a laboratory functional partition, an operation support system, a data working system, an experiment information acquisition system and an audio and video input and output device; a screen jilting function among multiple mobile terminals is realized; the data working system comprises a server, a database, education resource cloud, a U-teaching system, a learning analysis and evaluation system, a mobile device, a cross-screen management module, a recording and broadcasting system and an Internet; learning space for cross-media interactive learning is provided, technologies of holographic imaging, multi-screen interaction, learning analysis and the like are integrated, and seamless fusion of the physical space and the virtual space is realized; seamless fusion of supporting technologies from formal learning to informal learning, multiple learning modes, cross-terminal, cross-media and the like is realized, and good learning experience is provided for learners.

The invention discloses a digital twin intelligent monitoring system and method for an unmanned fully mechanized coal mining face of a mine. The system for realizing the method is composed of a physical entity, a digital twin body, an intelligent gateway, a cloud server, a cloud database, a 5G base station, a machine vision device, a communication interface, a network switch and a video terminal.According to the method, a digital twin model is constructed, and perception analysis, analogue simulation, iterative optimization and decision control are carried out by using a convolutional networkdeep learning algorithm based on a three-dimensional visual virtual scene; real-time monitoring, intelligent sensing, accurate positioning and health prediction of the remote physical space mine unmanned fully mechanized coal mining face are achieved through the virtual space digital twin unmanned fully mechanized coal mining face based on data twinning and data driving. The problems of non-uniform communication interfaces, weak equipment integration capability, poor video monitoring image processing real-time performance and the like of the existing monitoring system are solved, and the real-time performance, the accuracy and the robustness of the intelligent monitoring system for the unmanned fully mechanized coal mining face of the mine are improved.

A method for determining attributes of entities within a physical space. More specifically, the location of the entities in the physical space are determined using this invention. A reader automatically moves throughout the space and takes measurements of the attributes of corresponding entities when it detects the presence of these entities in the physical space. The attributes of the entities could be the location, temperature and so forth. The reader could be an RF detection device for reading signals from the tags attached to the entities.

System and method for evaluating an information aggregate by analyzing categories into which each document of the aggregate is placed. A metrics database stores for each document indicia including associated categories. A query engine is responsive to a user request and the metrics database for aggregating documents having same, unique attributes in an information aggregate and identifying categories associated with documents comprising the information aggregate; and a visualization engine visualizes the category or set of categories, such as by list or distribution frequency, and changes in time over conceptual or physical space.

A wireless local area network is provided with simplified RF ports which are configured to provide lower level media access control functions. Higher level media access control functions are provided in a cell controller, which may service one or more RF ports that are capable operating with at least two wireless local area subnetworks occupying common physical space. Mobile units can also be configured with the higher level media access control functions being performed in a host processor.

The invention discloses a digital twinning evolution mechanism and method for an intelligent mine scene, the digital twinning is formed by mutual coupling and evolution integration of a physical model, a logic model, a simulation model and a data model, and the method comprises the following steps: (1) defining the physical model; (2) representing the logic model; (3) establishing a simulation model; (4) optimizing the simulation model; (5) verifying the simulation model; (6) constructing a data model; and (7) performing digital twinning integration. According to the invention, by constructinga digital twinning model, data mirroring and information interaction between a digital twinning body and a physical entity are realized, and object twinning, process twinning and performance twinningof the physical entity and a virtual space digital twinning body are realized; according to the invention, through a digital twinning evolution mechanism and method, remote visual monitoring of a physical space intelligent mine scene is realized in a virtual space intelligent mine scene, and intelligent perception, real-time monitoring, accurate positioning and health prediction are carried out on mine application scene equipment.

A game server includes an acquisition right-granting section that grants an acquisition right for acquiring an item in a virtual space to a first virtual user, a proxy right-generating section that generates a proxy right to allow a second virtual user to exercise the acquisition right as a proxy, a proxy right-granting section that grants only the proxy right to the second virtual user, a positional information acquisition section that acquires a position of a second physical user's terminal, a proxy right-exercising section that exercises the proxy right by the second virtual user, an area-limited item-storing section that stores an area-limited item in association with a position in the physical space, an item information reading / loading section that reads / loads an area-limited item from the area-limited item storing section, and an item-providing section that provides only the first virtual user with the area-limited item read / loaded by the item information reading / loading section.

The invention discloses a mine digital twinning model and a construction method thereof. The digital twinning model is formed by mutual coupling and evolution integration of a physical model, a logicmodel, a simulation model and a data model, and the construction method comprises the following steps: (1) constructing a physical model; (2) representing a logic model; (3) establishing a simulationmodel; (4) optimizing a simulation model; (5) verifying the simulation model; (6) constructing a data model; (7) performing digital twin representation. The method is based on a machine vision and deep learning algorithm, and by constructing a digital twinning model, object twinning, process twinning and performance twinning of a physical space physical entity and a virtual space digital twinningbody, and data mirroring and information interaction between the digital twinning body and the physical entity are realized; through a digital twinning model and a construction method thereof, remotevisual monitoring of a physical space mine scene, intelligent perception, real-time monitoring, accurate positioning and health prediction of the mine scene are realized in a virtual space mine scene.

A method forms a region image extracting a region of a physical object which generates three-dimensional model information from a video image of physical space. Then, from position and orientation information for the physical object and from the region image, a primitive virtual object of a size to encompass the region image is generated. From the primitive virtual object a virtual object having a shape according to the region image is generated, and the three-dimensional model information is generated as three-dimensional model information representing the physical object.

An image composition unit outputs a composition image of a physical space and virtual space to a display unit. The image composition unit calculates, as difference information, a half of the difference between an imaging time of the physical space and a generation completion predicted time of the virtual space. The difference information and acquired position and orientation information are transmitted to an image processing apparatus. A line-of-sight position prediction unit updates previous difference information using the received difference information, calculates, as the generation completion predicted time, a time ahead of a receiving time by the updated difference information, and predicts the position and orientation of a viewpoint at the calculated generation completion predicted time using the received position and orientation information. The virtual space based on the predicted position and orientation, and the generation completion predicted time are transmitted to a VHMD.

Systems, methods and computer readable media are disclosed for manipulating virtual objects. A user may utilize a controller, such as his hand, in physical space to associate with a cursor in a virtual environment. As the user manipulates the controller in physical space, this is captured by a depth camera. The image data from the depth camera is parsed to determine how the controller is manipulated, and a corresponding manipulation of the cursor is performed in virtual space. Where the cursor interacts with a virtual object in the virtual space, that virtual object is manipulated by the cursor.