581 results about "Three dimensional motion" patented technology

A computer-implemented method, system, and program product comprises a gesture processing system for capturing a three-dimensional movement of a user, wherein the three-dimensional movement is determined using at least one stereoscopic image device aimed at the user to identify and track at least one particular three-dimensional movement of the user. The gesture processing system predicts at least one defined movement within the captured three-dimensional movement matching at least one gesture definition of at least one gesture type from among a plurality of gesture definitions. A resource control system receives a request to access a resource based on the predicted at least one gesture type. The resource control system only allows user access to the resource by matching the predicted at least one gesture type with at least one required gesture type.

An application of rate gyros and accelerometers allows electronic measurement of the motion of a rigid or semi-rigid body, such as a body associated with sporting equipment including a fly rod during casting, a baseball bat, a tennis racquet or a golf club during swinging. For instance, data can be collected by one gyro according to the present invention is extremely useful in analyzing the motion of a fly rod during fly casting instruction, and can also be used during the research, development and design phases of fly casting equipment including fly rods and fly lines. Similarly, data collected by three gyros and three accelerometers is extremely useful in analyzing the three dimensional motion of other sporting equipment such as baseball bats, tennis racquets and golf clubs. This data can be used to support instruction as well as design of the sporting equipment.

The surgical instrument includes a distal tool, a rigid or flexible elongated shaft that supports the distal tool, and a proximal handle or control member, where the tool and the handle are coupled to the respective distal and proximal ends of the elongated shaft via distal and proximal bendable motion members. Actuation means extends between said distal and proximal members whereby any deflection of said control handle with respect to said elongated instrument shaft causes a corresponding bending of said distal motion member for control of said working member. The proximal movable member comprises a movable ring assembly supported from the handle and adapted for three dimensional motion relative to the handle. A manually rotatable member may be arranged adjacent to the control handle for manually rotating the instrument shaft and working member relative to the control handle. A locking member may be supported from the control handle. The locking member is manually operable by a user and includes a follower the position of which is responsive to the position of the movable members.

A computer-implemented method, system, and program product includes a behavior processing system for capturing a three-dimensional movement of an operator of a vehicle, wherein the three-dimensional movement is determined by using at least one image capture device aimed at the operator, and identifying at least one behavior of the operator from the captured three-dimensional movement. An operator monitoring system for a vehicle determines whether the predicted behavior and the current operational state of the vehicle indicate unsafe operation of the vehicle and the operator monitoring system notifies the operator when unsafe operator of the vehicle is indicated by the operator's behavior for the current operational state of the vehicle.

A method and integrated golf club apparatus for directly measuring physical parameters of the golf club head motional acceleration swing forces, golf club head face, golf ball impact forces, and subsequent calculations of other metrics useful to a golfer's understanding of the effectiveness of his or her golf swing and impact result in totality. The physical parameters that are directly measured include three dimensional motion force vectors of club head prior to, during and after impact and full impact pressure force profiles across the golf clubface with respect to time. The sensors are connected to electronics which condition, record and store the time varying sensors information electronically, then process and translate the information into one of several forms for delivery to a human interface function.

The method according to the invention gene rates an aerial image mosaic viewing a larger area than a single image from a camera can provide using a combination of computer vision and photogrammetry. The aerial image mosaic is based on a set of images acquired from a camera. Selective matching and cross matching of consecutive and non-consecutive images, respectively, are performed and three dimensional motion and structure parameters are calculated and implemented on the model to check if the model is stable. Thereafter the parameters are globally optimised and based on these optimised parameters the serial image mosaic is generated. The set of images may be limited by removing old image data as new images are acquired. The method makes it is possible to establish images in near real time using a system of low complexity and small size, and using only image information.

The surgical instrument includes a distal tool, an elongated shaft that supports the distal tool, and a proximal handle or control member, where the tool and the handle are coupled to the respective distal and proximal ends of the elongated shaft via distal and proximal bendable motion members. Actuation means extends between said distal and proximal members whereby any deflection of said control handle with respect to said elongated instrument shaft causes a corresponding bending of said distal motion member for control of said working member. The proximal bendable member comprises a ball and socket assembly supported between the handle and instrument shaft and constructed and arranged for three dimensional motion.

An apparatus for moving a display screen by detecting the three-dimensional motion of the mobile computer device with acceleration sensors is disclosed. The apparatus includes a position detector for detecting a three-dimensional positional change of the mobile computer device, and then producing analog signals corresponding to the motion of the mobile computer device; an analog/digital converter for converting the analog signals produced by the position detector into digital signals; and a screen controller for receiving a first display signal including all information, and producing a second display signal including a part of information according to the digital signals.

A high-speed marker-free motion capture, which is capable of powerfully detecting a body's feature points corresponding to a body's end portions such as a head, hands, feet, trunk, arms and legs at a high speed in an illumination change or background or noises of cameras. The extracted feature points of the body can be directly tracked stably in a 3-dimensional space. The position errors of the feature points due to the change of the illumination conditions or a shadow can be automatically corrected and the feature points can be stably tracked with respect to overlapping and disappearance of the feature points. Further, when coordinates of the middle joints are estimated using 3-dimensional coordinates of the extracted feature points of the body, the present invention restores a human model by estimating the positions of the middle joints of the actor with high accuracy without using a motion database, thereby securing the stability and reality of the 3-dimensional motion data required in the motion capture.

A vision-based hand movement recognition system and method thereof are disclosed. In embodiment, a hand posture is recognized according to consecutive hand images first. If the hand posture matches a start posture, the system then separates the consecutive hand images into multiple image groups and calculates motion vectors of these image groups. The distributions of these motion vectors are compared with multiple three-dimensional motion vector histogram equalizations to determine a corresponding movement for each image group. For example, the corresponding movement can be a left moving action, a right moving action, an up moving action or a down moving action. Finally, the combination of these corresponding movements is defined as a gesture, and an instruction mapped to this gesture is then executed.

A system for measurement of three-dimensional motion of an object is provided. The system includes a light projection means adapted for projecting, for distinct time intervals, light of at least two different colors with a cross-sectional pattern of fringe lines onto a surface of the object and also includes image acquisition means for capturing an image of the object during an exposure time, wherein the distinct time intervals are within the duration of the exposure time. The system further includes image processing means adapted for processing the image to obtain a different depth map for each color based on a projected pattern of fringe lines on the object as viewed from the position of the image acquisition means, to determine corresponding points on the depth maps of each color, and to determine a three-dimensional motion characteristic of the object based on the positions of corresponding points on the depth maps.

A three-dimensional motion graphic user interface (MGUI) and a method and apparatus for providing the same. The MGUI includes a three-dimensional interface space which has an active space and an inactive space, and a polyhedron component which is three-dimensionally presented in the active space, wherein at least one of a plurality of faces that are subject to the polyhedron component has predetermined attributes, and information displayed on the faces is displayed differently according to the attributes and a presentation relationship between the active space and the polyhedron component.

An improvement is set forth in a robotic arm structure which includes at least two links. theta motion is provided about a primary axis at the proximal end portion of the proximalmost of the links. R motion proceeds radially from the primary axis whereby the distal end portion of the distalmost of the links can be moved in a radially extending straight line. An end effector is pivotally mounted for rotation relative to the distal end portion of the distalmost link about an end effector axis which is parallel to the primary axis. The structure is improved by adding one or more a yaw motor, a roll motor and a pitch motor for rotating the wrist of the arm about the respective axes. A sensor array senses the R, theta , Z and yaw, roll and/or pitch motions and creates and transmits electronic signals representative thereof to a computer controller which monitors and controls the R, theta , Z and yaw, roll and/or pitch motions. Non-radial straight line motion and indeed, in certain embodiments any desired three-dimensional motion, is thereby enabled as is picking up of workpieces such as semiconductor wafers, flat panel displays and data storage disks, which are misaligned in cassettes or at workstations and/or are in cassettes which are misaligned and/or aligned and set up at an angle relative to the usual plane of operation of the arm.

The invention relates to a magnetorheological-material-based 3D (Three-Dimensional) printing type rapid prototyping method and device. According to the principle of magnetorheological effect, a magnetorheological material is used as a 3D printing raw material; and a 3D solid model is constructed by spraying the magnetorheological material on a workbench with a magnetic field, rapidly solidifying and prototyping the sprayed magnetorheological material, and then depositing the treated material layer by layer. A computer is provided with three control circuits; one circuit is used for controlling the flow of a driving pump, namely the flow at a spray head; another circuit is used for controlling the 3D motion of the spray head through a servo mechanism; and the rest circuit is used for controlling colour mixing and allocating of a colourized ink box. The magnetorheological material is solidified and prototyped by utilizing the magnetic field generated by an electromagnet. According to the magnetorheological effect of the magnetorheological material, a temperature control module in the traditional melting, spraying and rapid prototyping type 3D printing method is replaced by the magnetic field; in addition, the device disclosed by the invention is also different from a high-pressure electric field required by an electrorheological fluid effect, has the advantages of being simple in structure, low in energy consumption and cost, capable of realizing the microminiaturization and the like, and can be applicable to the fields of process design, art and entertainment, prosthesis model and the like.

The present invention is directed to a portable personal training and exercise device with a cable and pulley mechanism which also is a mobile personal training and exercise device having an ergonomic plastic external housing that with the use of straps fits in the hand as well as against different parts of the body. The present invention has a cable and pulley mechanism inside a housing which has a pulley rotatably mounted on a shaft that spins in only one direction. The pulley spins in both directions so that it is spring biased for rewinding a cord onto the pulley. Next to the pulley is a brake wheel or brake bushing that is attached to the shaft. The brake wheel or brake bushing and a pulley spinning on a single shaft inserts into a sealed ball bearing on both ends. A spring is connected to the bottom of the pulley. In the center of the pulley is a combination ball bearing/one-way clutch that turns the shaft only in one direction. The shaft is attached to the brake wheel or brake bushing. Secured around the outer edge of the brake wheel is a brake band. Secured around the outer edge of the brake bushing is a brake clamp. The brake band or brake bushing can be tightened for variable resistance through a tension adjustment assembly including a tension bolt. There is also a multi-directional guide unit mounted on the housing for allowing the pulley cords to be pulled in multiple directions with variable amounts of friction. The cord, which is wrapped around the pulley, emerges through a multi-directional bearing that rotates 360 degrees, thus allowing full range of three dimensional motion. Therefore, a user may pull the cords of the pulley for exercising various muscles of the user and adjust the resistance force of the cord at an appropriate level from the user. Different attachments can be connected to the snap at the end of the cord or cable such as a grip handle, wrist strap, waistband, ankle strap and foot strap.

The invention relates to a three-dimensional rapid prototyping method and device based on pulse small hole droplet injection and belongs to the technical field of three-dimensional rapid prototyping. The three-dimensional rapid prototyping method is characterized in that a heater is used for heating a crucible until the metals in the crucible are in the molten state, a positive differential pressure value is set between the interior of the crucible and a vacuum chamber, simultaneously a piezoelectric ceramic driver applies certain pulse signals to piezoelectric ceramics to lead the piezoelectric ceramics to drive a transmission bar to generate longitudinal infinitesimal displacement, the infinitesimal displacement acts on the metal melt at the bottom of the crucible, tiny droplets are injected from small holes arranged at the bottom of the crucible, one droplet can be formed at the position of the small holes once the piezoelectric ceramics move for one time, size data of the droplets are timely analyzed through a photograph system, further the optimum parameter is obtained through adjustment; and the droplets fall to a moving three-dimensional motion platform to be deposited, and accordingly needed metal parts are formed through depositing. The three-dimensional rapid prototyping method and device based on pulse small hole droplet injection have the advantages that the pulse small holes inject to generate the metal droplets with uniform and controllable sizes, prototyped products are fine and uniform in microstructure, the prototyping process is strong in controllability, and the formed parts are high in accuracy.

A display device and a control method thereof are discussed. A display device and a control method thereof according to an embodiment of the present invention comprise a display unit displaying an object; a receiver receiving a wireless signal from a three dimensional (3D) pointing device recognizing a three dimensional motion; and a controller calculating a trajectory of the 3D pointing device corresponding to at least one of an absolute coordinate area and a relative coordinate area based on the received wireless signal and determining a position of the displayed object according to a property of an area to which the trajectory belongs and displaying the determined position.

An embodiment of the present invention includes: a tracking object image extracting section that extracts a tracking object image, which represents a tracking object, from an image captured by a monocular camera; a two-dimensional displacement calculating section that calculates, as actual movement amounts, amounts of inter-frame movement of the tracking object image; a two-dimensional plane projecting section that generates on a two-dimensional plane a projected image of a three-dimensional model, which represents in three dimensions a capturing object captured by the monocular camera; a small motion generating section that calculates, as estimated movement amounts, amounts of inter-frame movement of the projected image; and a three-dimensional displacement estimating section that estimates amounts of three-dimensional motion of the tracking object on the basis of the actual movement amounts and the estimated movement amounts.

The inventive method involves receiving as input a representation of an ordered set of two dimensional images. The ordered set of two dimensional images is analyzed to determine at least one first view of an object in at least two dimensions and at least one motion vector. The next step is analyzing the combination of the first view of the object in at least two dimensions, the motion vector, and the ordered set of two dimensional images to determine at least a second view of the object; generating a three dimensional representation of the ordered set of two dimensional images on the basis of at least the first view of the object and the second view of the object. Finally, the method involves providing as output an indicia of the three dimensional representation.

The invention provides a gesture identification method and device based on depth images and a method and device for starting a man-machine interaction system. The gesture identification method includes the steps of detecting a three-dimensional movement track of a hand candidate area based on a depth image sequence of a hand area, and identifying a preset gesture according to the three-dimensional movement track of the hand candidate area. According to the method and device of the gesture identification method, movement information in continuous identification images is made full use of; due to the facts that a skin color model is not used and gesture identification is carried out by means of time-space domain movement information of the continuous images and continuous depth value change information, robustness of the gesture identification method is good, influences of light conditions are small, and due to the fact that gesture identification is carried out on the basis of the movement tracks, the gesture identification method and device can be used in a relative long distance range.

A sports simulation system includes a projectile tracking apparatus having a display surface on which a visually apparent three-dimensional sports scene is presented. The projectile tracking apparatus captures images of a projectile tracking region disposed in front of the display surface to detect a launched projectile traveling through the projectile tracking region towards the display surface. A projectile launch area sensing unit captures images of the projectile launch area. At least one processing stage communicates with the projectile tracking apparatus and the projectile launch area sensing unit and is responsive to the data received therefrom to determine the three-dimensional positions, velocity, acceleration and spin of a detected projectile traveling through the projectile tracking region. The determined three-dimensional positions, velocity, acceleration and spin are used by the at least one processing stage to calculate a trajectory of the launched projectile into the visually apparent three-dimensional sports scene. Updated image data is generated by the at least one processing stage that includes a simulation of the launched projectile into the visually apparent three-dimensional sports scene following the calculated trajectory. A projection unit coupled to the at least one processing stage receives the image data from the at least one processing stage and presents the visually apparent three-dimensional sports scene, including the simulation, on the display surface.

The present invention relates to an object detection and behavior recognition system using three-dimensional motion data. The system receives three-dimensional (3D) motion data of a scene from at least one sensor, such as a LIDAR sensor. An object is identified in the 3D motion data. Thereafter, an object track is extracted, the object track being indicative of object motion in the scene over time. Through Dynamic Time Warping (DTW) or other comparison techniques, the object track is compared to a database to identify the behavior of the object based on its object track.

The invention discloses a virtual realistic intelligent projection gesture interaction all-in-one machine. The virtual realistic intelligent projection gesture interaction all-in-one machine comprises a microcomputer, a 3D object and human body motion detection device connected to the microcomputer and a projection device. The 3D object and human body motion detection device is used for sensing objects, recognizing three-dimensional objects and gestures and inputting reorganization signals into the microcomputer. The projection device is used for displaying content to be displayed by the microcomputer. The all-in-one machine is arranged on a wall, can sense three-dimensional motion of a hand, a finger and a pen, 2.5D motion of the finger and the pen on the plane (wall) and three-dimensional motion of other objects, achieves virtual and realistic integration through projection and interaction of the hand and the pen and displayed 2D interface and interaction of 3D virtual objects, can run a variety of software in a terminal and overcomes the deficiency that display devices of televisions and screens are harmful to eyes and lack of man and machine interaction and accordingly affects brain development due to the two-dimensional display in a traditional teaching process.

The invention discloses a three-dimensional automatic feeding discharging and detecting device which comprises a three-dimensional motion mechanism, a mechanical arm executing mechanism, a luminous automatic detection mechanism and a support, wherein the support is used for providing supporting for other parts, the thee-dimensional motion mechanism is used for realizing movements in X-axis, Y-axis and Z-axis directions and driving the mechanical arm executing mechanism to arrive at each designated spot in an envelope space, the mechanical arm executing mechanism is used for regulating the snatching posture of the mechanical arm executing mechanism through the rotation of an arm and a mechanical arm, and the luminous automatic detection mechanism is used for detecting the quality of processed workpieces, and classifying the processed workpieces by the mechanical arm executing mechanism and placing the classified processed workpieces on a material platform. The three-dimensional automatic feeding discharging and detecting device is capable of rapidly and accurately realizing the transportation of raw materials and the workpieces between the material platform and a processing engine bed, automatically detecting the workpieces and classifying the workpieces, has the advantages of simpleness in operation, convenience in moving, good control performance and high detection precision, and is particularly suitable for the demands of volume production and automatic processing.

The invention relates to a laser cladding forming device and a laser cladding forming method of a metal part. The device comprises a work bench in three-dimensional motion, a laser device, a wire feed device and a control system, wherein the wire feed device comprises a pinch roll wheel set, and the drive wheel of the pinch roll wheel set is connected with a stepping motor; the control system comprises a multi-shaft motion control card, and the multi-shaft motion control card is connected with the stepping motor, a work bench driving motor and the laser device respectively. The method comprises the steps of modeling, instruction conversion, sheet forming and deposition forming and the like. Metal wires are molten by laser to form molten drops, the molten drops are piled up and cooled on the work bench, sheets are formed along with the motion of the work bench, and all sheets are deposited layer by layer to form the three-dimensional metal part. The invention has low manufacturing cost, high forming efficiency, high part structure strength, high surface quality and wide application range.

The invention discloses a remote interactive pen and a handwriting detection method. The remote interactive pen comprises a handheld end and a receiving end. The handheld end detects a writing motion characteristic quantity of a penholder by adopting a three-axis gyroscope and two three-axis accelerometers and measures the relative motion distance between the penholder and a screen or the ground by adopting ultrasonic distance measurement; and the measurement information is subjected to data fusion according to a human writing motion model, solution of the writing motion characteristic quantity and identification of writing intention so as to realize handwriting detection. The receiving end is used for receiving writing control information solved by the handheld end, handwriting information and three-dimensional motion information of a cursor. Through the application of tracking and positioning arm motion characteristics to control cursor motion, operate a window and realize distance writing function, increasing the motion detection function vertical to the projection screen direction, serving as a three-dimensional air mouse for virtual reality and the like, the remote interactive pen overcomes the defect that the conventional input equipment cannot reflect the three-dimensional motion information of the cursor, and has the characteristics of simple structure and convenient use.

A system and method for recording and reconstructing uniformly magnified three-dimensional images from digital representations of integral photographs. Several camera and projector embodiments are provided along with a means for direct transmission without projection to a special screen that reconstructs the three-dimensional images. This invention is particulary applicable to showing non-stereoscopic three-dimensional motion pictures that reconstruct from integral photographs or holograms that may be viewed without the need for special glasses.

The invention discloses a virtual reality gaming device and a scene realization method. The virtual reality gaming device is characterized by comprising a helmet, a camera, a computer and a running machine, wherein the camera is used for collecting moving postures and head actions of a user; a running machine driver is used for determining the motion speed and the motion direction of a chassis and a displacement coordinate of the user on the chassis according to the running state of the user, transmitting the motion speed and the motion direction of the chassis and a displacement coordinate of the user to the computer, and integrating the motion speed and the motion direction of the chassis and a displacement coordinate of the user to game software; the game software is used for generating game scenes and transmitting the game scenes to the helmet to display a 3D video scene; the running machine driver is used for receiving instructions of the computer and driving a vertical plane motion mechanism to control the motion of a vertical plane. According to the virtual reality gaming device and the scene realization method, the moving posture extraction accuracy is improved, so that the experience of the games is improved; the omni-directional three-dimensional motion can be implemented; the gaming device is high in integration degree.

A method and system which provides wireless, noninvasive electrical stimulation to different muscle groups to allow the user to conduct physical activities, such as walking, by stimulating various muscle groups in the body at the correct times of activation or by stimulating muscle groups in a simulation mode when standing, sitting or lying down, whereby walking is not required to stimulate the various muscle groups. The system provides a small portable wearable system which utilizes available software, including Bluetooth technology, to provide electrical nerve stimulating pulses with low current, minimal phase charge which is controlled remotely and induce desired muscle contraction with increased comfort for the user. The present method and system applies electrical stimulation with accurate timing, based on a three-dimensional motion sensor, as a trigger to initiate stimulation and which is adapted to turn itself on and off when not walking.

The invention discloses a man-machine interaction intelligent glasses system. The system comprises a pair of perspective intelligent glasses which can enable the visible light to penetrate through the intelligent glass lenses and overlap image information on the true sight of people; two cameras and an infrared LED (light emitting diode) are arranged on the intelligent glasses; the two cameras are symmetrically arranged at left and right ends of the intelligent glasses in parallel, and the infrared LED is arranged at the central position of the intelligent glasses; and the cameras and the infrared LED of the intelligent glasses form a three-dimensional movement capturing system for capturing movement tracks and coordinates of objects in a certain three-dimensional space range. According to the system, the finger movement information of people is captured and judged, and the man-machine interaction with the intelligent glasses is realized.