215 results about "Hand position" patented technology

To more stably determine the position and attitude of a hand gripping a target object.An information processing device includes: a position / attitude estimation unit that, taking each of points included in point cloud data generated based on a sensing result for a target object as contact points, estimates, for each of the points, candidates for a position and an attitude of a hand that grips the target object; a target object shape estimation unit that estimates a shape of the target object based on a distribution of the candidates for the position and the attitude estimated for each of the points; and a position / attitude determination unit that determines the position and the attitude of the hand gripping the target object based on the shape of the target object estimated.

An extended Reality (XR) system is provided for providing a user interface in an XR environment. The XR system detects a position and an orientation of a hand of a user. The XR system determines a user view of the hand using the detected position and orientation. In response to determining the user view is of a dorsal surface of the hand, the XR system causes display of a hand-centric user interface using a set of dorsal surface user interface elements. In response to determining the user view is of a palmar surface of the hand, the XR system causes display of the hand-centric user interface using a set of palmar user interface elements. The XR system detects, using the set of tracking sensors, a user input based on an interaction with the hand-centric user interface. The XR system then performs an action based on the detected user input.

An extended Reality (XR) system is provided for providing a user interface in an XR environment. The XR system detects a position and an orientation of a hand of a user. The XR system determines a user view of the hand using the detected position and orientation. In response to determining the user view is of a dorsal surface of the hand, the XR system causes display of a hand-centric user interface using a set of dorsal surface user interface elements. In response to determining the user view is of a palmar surface of the hand, the XR system causes display of the hand-centric user interface using a set of palmar user interface elements. The XR system detects, using the set of tracking sensors, a user input based on an interaction with the hand-centric user interface. The XR system then performs an action based on the detected user input.

1. Name of the designed product: waterproof mobile phone shell (with buckle hand position). 2. Use of the designed product: for waterproof mobile phone shell. 3. Design points of the designed product: in shape. 4. Pictures or photos that best show the design points: perspective view 1. 5. Other circumstances that need to be explained: A and B are transparent surfaces.

The invention provides an unhooking robot, and belongs to the technical field of compartment unhooking, the unhooking robot specifically comprises a chassis and a mechanical arm, the mechanical arm is connected with a manipulator, and the manipulator is used for carrying out unhooking operation on a compartment; the mechanical arm is connected with the manipulator and used for adjusting the position of the manipulator. The chassis is used for bearing the mechanical arm, and the chassis is arranged on the side of the carriage and can move in the same direction as the carriage; a telescopic positioning device is arranged on the chassis, and the two ends of the telescopic positioning device are connected to the chassis and the compartment respectively. Compared with the prior art, the time for unhooking operation through the mechanical arm is short, other preparatory work is completed before the compartment stops, namely the chassis is driven to move through movement of the compartment, in this way, in the compartment deceleration process, the mechanical arm can be controlled to move, and operation such as alignment of the mechanical arm and a hook handle is completed; and therefore, when the carriage stops, quick unhooking operation can be carried out through the manipulator.

Systems and processors associated with an electronic keyboard are described. An example system includes an electronic keyboard with a threshold number of keys extending across a first width; and a display positioned above the electronic keyboard, the display extending at least as wide as the first width. The display provides real-time visual prompts aligned with each key, including the partially covered edge keys, and hosts an Al-driven user interface. A camera may capture a player's posture, hand position, gaze, and facial expressions. Transformer-based models may process inputs to generate adaptive feedback, emotion-aware coaching, and / or gamified scoring. Haptic key actuators, synchronized LEDs, and audio cues reinforce the feedback, while on-device encrypted inference and differential-privacy may filter and secure all biometric data.

An object detection method, electronic apparatus and gesture detection system are provided. A processor is configured to implement the following steps, including: executing an object detection module to detect an original image, and obtaining a first position information, a second position information and a third position information related to the same human body object from the original image through the object detection module; setting a valid determination range based on at least one of the first position information and the second position information; obtaining a hand position in the original image based on the third position information; in response to the hand position being within the valid determination range, executing a gesture recognition module; and in response to the hand position not being within the valid determination range, not executing the gesture recognition module.

The invention discloses an immersive sound effect VR sound console space positioning method and a related device, which can be used in the field of virtual reality, and the method comprises the steps: collecting the hand motion information of a user in real time, and determining the hand position; generating tactile feedback parameters based on the hand motion information; based on the tactile feedback parameters, establishing a space mapping relation between the hand and the virtual control, and calculating to obtain a coherence index of a motion trail of the virtual control; adjusting the vibration parameter based on the coherence index, and rendering the roughness corresponding to the texture parameter in real time based on the adjusted vibration parameter to obtain an optimized tactile feedback parameter; based on the optimized tactile feedback parameter, generating an audio parameter adjustment instruction and updating a visual display effect of the virtual control; and outputting an audio parameter regulation and control signal based on the visual display effect, the optimized tactile feedback parameter and the audio parameter regulation instruction. Therefore, the continuity of sensing the spatial position of the virtual control by the user is improved, and the user interaction experience is improved.

The present invention provides a DJ system for processing audio data, comprising an audio input unit for receiving audio data representing a piece of music, an audio processing unit for processing the audio data, an audio output unit for playing the audio data, and a gesture detecting apparatus for detecting a hand position, which is a position in space of a hand of a user of the system, and wherein the gesture detecting apparatus is configured to detect a turntable approach gesture or a transport control gesture.

The utility model relates to the field of electric vehicle accessories, and discloses an electric vehicle head vertical handle with an embedded design, which comprises a transverse handle main body and a vertical pipe, a handle stem is arranged in the middle of the transverse handle main body, the transverse handle main body is connected to the vertical pipe through the handle stem, grips are symmetrically connected to two sides of the handle stem, and an instrument display screen is mounted on the top surface of the handle stem. A car lamp button and a horn button are installed on one grip, a shift-up button, a shift-down button and an instrument setting button are installed on the other grip, a speed regulator is further arranged on one side of the instrument setting button, and a protective layer is arranged on the outer side of the grip. Due to the highly-integrated control function, a rider can complete operation without frequently shifting the sight line or the hand position, and riding safety and convenience are improved; due to the embedded design, water can be prevented from entering, the situation of damage caused by collision is reduced, and the durability of the product is improved; and in combination with an intelligent management system, more personalized and convenient use experience is provided for a rider.

This teaching device comprises: a camera position / attitude calculation unit that, on the basis of data of a three-dimensional model of a camera-equipped hand and data of a three-dimensional model of a camera attached to the camera-equipped hand, calculates the position and attitude of the three-dimensional model of the camera, using the three-dimensional model of the camera-equipped hand as a reference; and a hand position / attitude calculation unit that, on the basis of the calculated position and attitude of the three-dimensional model of the camera using the three-dimensional model of the camera-equipped hand as a reference and calibration data obtained by mounting the camera-equipped hand on a robot and calibrating the camera, calculates the position and attitude of the three-dimensional model of the camera-equipped hand using a three-dimensional model of the robot as a reference, such calculation being for the purpose of attaching the three-dimensional model of the camera-equipped hand to the three-dimensional model of the robot.

A photographing system (101) according to an aspect of the present disclosure includes a photographing means (11), a guiding means (12), and a photographing range adjustment means (13). The photographing means (11) photographs a hand of a user. The guiding means (12) displays a guiding image serving as a mark for the user for guiding a position of his / her hand. Further, the guiding means (12) moves a position at which the guiding image is displayed. The photographing range adjustment means (13) adjusts a photographing range of the photographing means (11) to a range corresponding to the position at which the guiding image is displayed.

While a view of an environment is visible, a computer system detects that attention of a user is directed toward a location of a hand of the user, and in response: in accordance with a determination that the attention of the user is directed toward the location of the hand while first criteria are met, wherein the first criteria include a requirement that the hand is in a respective pose and oriented with a palm of the hand facing toward a viewpoint of the user in order for the first criteria to be met, the computer system displays a control corresponding to the location of the hand; and in accordance with a determination that the attention of the user is directed toward the location of the hand while the first criteria are not met, the computer system forgoes displaying the control.

A method and system for monitoring a user during an educational activity in an extended reality (XR) environment are disclosed. An educational activity is presented in an XR environment using XR hardware, and one or more sensors associated with the XR hardware monitor physical characteristics or movements of the user during the activity. A deviation detection module determines that a physical deviation event has occurred based on a deviation from an expected physical parameter associated with the educational activity. In response to the physical deviation event, a notification is generated to an instructor system, enabling real-time or post-activity review of the user’s XR experience. The monitoring may include eye tracking, head orientation tracking, hand position tracking relative to defined boundary regions, and correlation of multiple sensor inputs.

The utility model relates to the technical field of automatic liquid taking of cleaning agents, in particular to a pressure pump mechanism of an automatic liquid taking device, which comprises a support, a photoelectric sensor arranged at the top of the support and an electric control pressing mechanism. The electric control pressing mechanism comprises a guide cylinder arranged at the top of the support, a clamping sleeve arranged on the peripheral side of the guide cylinder, a coil arranged in the clamping sleeve and a magnetic control pressing block arranged in the guide cylinder. The hand position of a user is detected through the photoelectric sensor, then detection information of the photoelectric sensor is sent to the controller, and then the magnetic control pressing block in the guide cylinder is pushed out through a magnetic field generated in the center of the coil after the coil is powered on. And the lowest end of the cleaning agent bottle extrudes the pressing pump head to spray the cleaning agent in the cleaning agent bottle onto the hand of a user, so that automatic liquid taking is completed, and cross infection caused by pressing between hands is avoided.

The utility model provides a fixing device for breast radiotherapy, and belongs to the technical field of medical instruments. Comprising a bottom plate, the outer wall of the bottom plate is fixedly connected with a plurality of arm supporting rods, the outer walls of the arm supporting rods are fixedly connected with hand holding rods, rod bodies of the hand holding rods are slidably connected with grips, and the top ends of the grips are fixedly connected with two rotating plates. A bottom plate is arranged, the outer wall of the bottom plate is fixedly connected with a plurality of arm supporting rods, the outer walls of the arm supporting rods are fixedly connected with hand holding rods, rod bodies of the hand holding rods are slidably connected with grips, and the top ends of the grips are fixedly connected with two rotating plates; and the clamping hand assembly is used for improving the clamping effect on the hand body position of the patient, and the clamping hand assembly is connected with the rotating plate.

The invention relates to a children learning machine which is used for helping children to identify clock indications and natural interestingness related to time and learn interestingness knowledge containing time concepts by shifting an hour hand and a minute hand with hands. Comprising a dial plate substrate with time and minute scale values, a rear cover plate, an hour hand and a minute hand, the rear end of the hour hand passes through a main control circuit board and is engaged with an hour hand positioning disc, and an hour hand conductive elastic sheet on the hour hand positioning disc is in conductive contact with a time point conductive matrix; the inner end of the minute hand passes through the hour hand positioning disc and is fixedly connected with the minute hand positioning disc. A minute hand conductive elastic sheet on the minute hand positioning disc is in conductive connection with the minute point conductive matrix. The watch dial, the hour hand, the minute hand and the voice playing module are combined, convenience is provided for children to learn and recognize time points pointed by the hour hand and the minute hand of the clock respectively, and in addition, anecdotes related to some special time points can be learned through the voice playing module.

The invention relates to the technical field of reading exhibition, and particularly discloses an immersive reading interaction method and system for an exhibition scene. The method comprises the following steps: obtaining house type arrangement data, carrying out initialization virtual arrangement, and constructing a virtual reading exhibition scene comprising a plurality of virtual bookshelves; carrying out real-time camera shooting positioning, carrying out position mapping in the virtual reading exhibition scene, and determining a target bookshelf; performing signal positioning, acquiring a real-time hand position, and selecting a target book; and starting virtual reading of the target book, and performing book preference optimization on the plurality of virtual bookshelves. A virtual reading exhibition scene can be constructed, a target bookshelf is determined and a target book is selected through position mapping of camera positioning and book selection of signal positioning, and reading recording and book preference optimization are performed, so that home reading exhibition is realized, and all-people and popularization reading popularization is promoted; and the problems of space congestion and disorder of offline reading exhibition are solved, and the comfort and immersion experience of reading exhibition are effectively improved.

The invention relates to a tower clock (1) comprising - a time display unit (2) with a dial (3) and at least two hands, - a stepper motor (4) which is connected to the first pointer (Z1) via a first clock shaft (W1), - an accelerometer configured as a 2D accelerometer or as a 3D accelerometer (5) which is attached to the first pointer (Z1) or to the first clock shaft (W1), - a reading unit (6) for reading the accelerometer (5), and - a control computer (7) coupled to the reading unit (6) and to the stepper motor (4), which is configured to receive a time signal (ZS), to receive a pointer position signal (PS) read by the reading unit (6) from the accelerometer (5) and to control the stepper motor (4) depending on the time signal (ZS) and the pointer position signal (PS). Furthermore, the invention relates to a method for operating the tower clock (1).

The invention relates to a device of a vehicle (1) with detection units (E11 to E1n, E21 to E2m) for detecting a person in the vicinity of the vehicle (1), wherein an evaluation and control unit (3) is configured to identify a person as a vehicle user (2) based on an accompanying identification element (4). According to the invention, it is provided that - the evaluation and control unit (3) is designed to determine the position of the vehicle user (2) relative to the vehicle (1) by means of communication between one of the first detection units (E11 to E1n) and the identification element (4), - the evaluation and control unit (3) is designed to analyze a gaze direction and / or a body posture and / or a hand position in order to recognize an intention of the vehicle user (2), whereby an algorithm is used to recognize, based on the gaze direction and / or the body posture and / or the hand position, whether the vehicle user (2) is looking for something in the vehicle (1) and / or the vehicle user (2) intends to communicate with an occupant and - the evaluation and control unit (3) is designed to automatically activate interior lighting and / or move vehicle seats, and / or reduce the output volume of an infotainment system and / or open a vehicle window when a search is detected, in order to enable communication between the vehicle user (2) and the occupant.

The present invention discloses a method for identifying qualified hand hygiene behavior subjects based on video streams, comprising: obtaining a sequence of gait, posture, and hand movement feature image frames; performing hand position detection and tracking through a target detection model and an optical flow method; classifying the hand movements in each image frame through a fine-grained feature extraction model; judging the validity of the action classification results through a sliding window method, and outputting a final action classification sequence; performing user identity identification through an identity recognition network fusing gait, posture, and hand movement features to obtain user identity information; finally, combining the action classification sequence and related time statistics to comprehensively score the hand hygiene process, and associating the score with the user identity information to screen out qualified hand hygiene behavior subjects. The present invention can achieve high-precision, real-time hand hygiene behavior detection and user identity information identification, providing a more comprehensive solution for hand hygiene assessment and management.

The present disclosure discloses a handle arrangement and a method for controlling a handle arrangement, the handle arrangement comprising a base, a detection device, a handle, a detected component, and a control device. The base defines a base cavity. The detection device is arranged in the base. The handle is movable relative to the base. The detected component is arranged in the handle. The control device is communicatively connected to the detection device. The detection device is configured to detect a distance between the detected component and the detection device and to send a detected distance value to the control device, wherein the control device is configured to send different signals according to the distance value detected by the detection device.The handle arrangement of the present disclosure is capable of determining the current position of the handle from the positional relationship between the detection device and the detected device. Furthermore, the handle arrangement of the present disclosure is capable of simultaneously detecting the positions of the detected device and the hand, thereby controlling the handle. This helps the user to operate the handle without touching a handle body, thus improving usability.

The invention relates to the technical field of robot hand control, and discloses a multi-camera-based robot hand positioning and musical instrument playing control method and system, and the method comprises the steps: obtaining a global image through a head camera, and providing a hand rough position; the fingertip camera obtains a local image and provides fine positioning of a target; fusing coarse and fine positioning, calculating a relative position, and planning a motion track; a robot execution mechanism is controlled to execute the track to complete playing; monitoring an actual position, calculating an error, and correcting a joint when the error exceeds a threshold value; the system comprises a head camera module, a fingertip camera module, a visual fusion module, a control module, a robot execution mechanism and a feedback and correction module. According to the invention, by acquiring the high-resolution local image and combining the global rough position information provided by the head camera module, effective combination of rough positioning and fine positioning is realized, and the problem that single global vision is easily blocked by hands or the precision is insufficient due to long distance is effectively overcome.

This invention relates to the field of master-slave robot control, specifically providing a motion mapping method, apparatus, electronic device, and storage medium for master-slave robots. The method includes: acquiring the position data and movement speed of the master hand, as well as the shortest movement distance from the hand to the microscope boundary; determining a preliminary mapping ratio based on the movement speed; the preliminary mapping ratio being the ratio of the master hand displacement to the slave hand displacement; determining a safety damping coefficient based on the shortest movement distance and a preset safety distance; multiplying the preliminary mapping ratio by the safety damping coefficient to obtain a target mapping ratio; determining a cutoff frequency based on the movement speed, and filtering the position data based on the cutoff frequency to determine the target filtered displacement increment of the master hand; determining the target displacement of the slave hand based on the target filtered displacement increment, and mapping the target displacement to the movement of the slave hand. The technical solution provided by this invention can improve the accuracy of master-slave motion control.

An information processing apparatus is configured to be communicatively connected to a display device that displays a spatial image including at least one of a real-space image and a virtual-space image and configured to process information communicated with the display device. The information processing apparatus includes at least one processor. The processor is configured or programmed to detect a movement of a hand of a user viewing the spatial image displayed on the display device, as a first detection result, and to detect a position of the hand, as a second detection result, in association with the acquisition of the first detection result. The processor is further configured or programmed to switch a function performed by the display device according to the first detection result and the second detection result.

The invention relates to a tower clock, comprising: a time display unit with a clock face and at least two hands; a stepper motor which is connected to the first hand (Z1) via a first clock shaft (W1); an acceleration sensor designed as a 2D acceleration sensor or as a 3D acceleration sensor, which is attached to the first hand (Z1) or to the first clock shaft (W1); a reading unit for reading out the acceleration sensor; and a control computer coupled to the reading unit and to the stepper motor, which is designed to receive a time signal (ZS), to receive a hand position signal (PS) of the acceleration sensor read out by the reading unit and to control the stepper motor as a function of the time signal (ZS) and of the hand position signal (PS). Furthermore, the invention relates to a method for operating the tower clock.

The utility model provides a portable holding device of hand-held spectrograph, relates to spectrograph technical field, including spectrograph body, the bottom of spectrograph body is provided with the groove, the inside of groove close to one end bearing is rotatingly connected with the hand-held handle, the top end of hand-held handle close to the centre is provided with the arc groove, and the arc groove is provided with the hand-held handle. The inner arc wall of the arc groove is sleeved with and fixedly connected with a worm-gear-shaped arc plate, a rotating rod is arranged above the worm-gear-shaped arc plate, and the surface of the rotating rod is sleeved with and fixedly connected with a worm. According to the utility model, through a linkage structure of the driving motor, the rotating rod, the worm and gear and the handheld handle, the motor can be driven by pressing the control button, the rotating rod and the worm-gear-shaped arc plate are driven to rotate, and multi-angle adjustment of the handheld handle in the groove is realized. The holding angle can be flexibly adjusted regardless of habits and detection postures of operators, so that the hands are natural and comfortable, fatigue and operation instability are avoided, the detection precision and efficiency are guaranteed, and the device is particularly suitable for complex working conditions such as high altitude and narrow space.

A sawing device includes a sawing machine, a safety module, and a controller. The sawing machine has a saw blade. The safety module has a positioning marker and a visual element disposed on the same side of the saw blade as the positioning marker and capturing the positioning marker to obtain a relative position between the positioning marker and a center of the saw blade to define a saw blade warning area based on the relative position. When a hand approaches the sawing machine, the visual element detects a position of the hand to define a hand warning area. The controller is electrically connected to a motor and the visual element. When the visual element determines that the saw blade warning area and the hand warning area partially overlap, the visual element sends a braking signal to the controller, causing the controller to stop the motor.