92 results about "Finger movement" patented technology

The invention discloses a dexterous hand environment article sensing and modeling algorithm based on body sensing. The algorithm comprises the steps that a mechanical arm drives a dexterous hand to approach an object; tactile-spatial data acquisition: a three-axis force sensor is arranged at the tail end of each finger of the dexterous hand, and the system is in contact with an object through multiple fingers of the dexterous hand to acquire multi-dimensional information of the appearance, surface characteristics and local topology of the object; active exploration sampling, multi-finger movement of the mechanical arm and the dexterous hand, and active penetration of unknown object surface and enhanced sampling of local features through the dexterous hand by the system; the method comprises the following steps: modeling an object attribute, analyzing a mechanical response sequence obtained by tactile-spatial data acquisition and active exploration sampling, modeling a target object in three dimensions of elasticity, hardness and local geometric morphology, and realizing accurate identification and modeling of an unknown object appearance form and an object attribute in an environment. The distribution uniformity of the tactile point cloud and the model integrity are improved, the hardware dependency is reduced, and the environmental adaptability is enhanced.

The invention discloses a memory alloy driving glove for hand rehabilitation. The memory alloy driving glove comprises a glove body, a forearm base and a traction mechanism, the glove body comprises an elastic iron sheet located on the palm side, the elastic iron sheet extends to the fingertip of each finger from the palm center and is fixed to each finger through a finger ring, and guide grooves are formed in the elastic iron sheet and the finger ring. The front arm base is fixed on the front and back surfaces of the front arm; the traction mechanism comprises memory alloy arrays and traction lines, the memory alloy arrays are arranged on the front face and the back face of the forearm base correspondingly, and the glove body is pulled by penetrating the traction lines through the guide grooves; the device further comprises a bending angle sensor and a memory alloy driver, the bending angle sensor is attached to the back face of the finger, and the memory alloy driver is used for conducting pulse heating on the memory alloy array so as to drive the finger to move. According to the invention, overshoot is suppressed while the response speed is ensured, the steady-state error is reduced, and the follow-up flexibility is improved.

A head-wearable apparatus improves user interactions with virtual interface elements in augmented reality (AR) environments. The apparatus tracks hand movements in 3D space, calculating velocity vectors and positions of fingers. For each virtual interface element, it determines a UI-to-finger vector and calculates alignment with the finger's velocity vector. Interaction zones are dynamically adjusted based on this alignment and velocity magnitude. The system evaluates consistency between finger movement and element locations to predict intended targets. Interactions are triggered when fingers enter adjusted zones of predicted targets. This approach reduces erroneous selections and improves interaction accuracy, even for closely-spaced elements. The invention applies to various AR scenarios, enhancing user experiences in applications like gaming and education.

According to a first aspect of the present invention, it may be provided a method for controlling a computer device. The computer device may comprise a touchless gesture input system. The computer device may comprise a touch-sensitive control surface. The method may comprise in a touch input mode, generating at least one control command configured to manipulate content displayed on a display associated with the computer device based on touch input on the touch-sensitive control surface. It may be provided determining presence of a gesture mode activation trigger. The gesture mode activation trigger may include a touch input on the touch-sensitive control surface comprising two or more touchpoints. The method may further comprise switching from the touch mode to a touchless gesture input mode in response to the determining. In the touchless gesture input mode, the method may comprise generating at least one control command configured to manipulate content displayed on the display based on a free-space finger movement determined by the touchless gesture input system.

The utility model discloses a multifunctional restraining glove which comprises a glove body, a restraining belt, a grip ball and a tightening device, the glove body is integrally connected with finger separating sleeves of four fingers, a hole is formed in the position, corresponding to the ring finger, of the glove body, the end of each finger separating sleeve is open, and a groove is formed in the position, corresponding to the hand back, of the glove body. A grip ball is sewn and connected to the position, corresponding to the palm center, of the glove body, and an elastic rope is sewn between the side, facing the grip ball, of each finger separating sleeve and the grip ball. A finger ring is fixedly arranged at the end of each finger separating sleeve in a sleeved mode, a guide pipe is fixed to the bottom of the grip ball, four pulling ropes with different lengths penetrate through the guide pipe, one end of each pulling rope is fixed to one finger ring, the other ends of the four pulling ropes are movably fixed to a tightening device, and the tightening device is fixed to a binding belt. The glove has the advantages that the elastic rope of the glove body limits the moving space from fingers to the grip ball, so that the fingers are prevented from moving randomly while moving and exercising of the fingers are facilitated, and an infusion tube is prevented from being struggled off.

The invention provides an image-based finger trajectory processing method, an edge computing device and a medium. The method comprises the following steps: determining a finger tracking position of a finger at each moment according to images of the finger at different moments; determining a finger motion parameter at the current moment based on the finger tracking position at each moment; based on the finger motion parameters at the current moment, determining the validity of the finger tracking position at the current moment; and determining a corresponding finger motion track based on the effective finger tracking position. According to the method and the device, invalid track points which are irrelevant to finger control or have overlarge finger tracking errors in the finger motion track can be comprehensively eliminated, accurate display of the finger motion track is ensured, and the effective reliability of the finger motion track is improved.

The invention relates to the technical field of simulation, in particular to a finger motion trail simulation method and device, equipment, a medium and a program product, and the method comprises the steps: obtaining a hand skeleton image and a hand motion video of a detected target; constructing a three-dimensional hand simulation model according to the hand skeleton image; extracting a plurality of video frames from the hand action video, extracting a two-dimensional coordinate of at least one position point from each of the plurality of video frames, converting the hand action video into a three-dimensional coordinate based on a pre-established coordinate mapping relationship, and forming time sequence data according to the position point of the three-dimensional coordinate; and driving the three-dimensional hand simulation model to execute a simulation action by using the time sequence data, and generating a finger motion track of the tested target according to an execution result of the simulation action. Therefore, the problems of high acquisition cost, poor universality and the like of the finger motion trail in the prior art are solved.

The utility model relates to a pair of restraining gloves, belongs to the technical field of medical instruments, and solves the problem of unsmooth blood circulation caused by the fact that the hands of a patient are not easy to move due to the restraining gloves in the prior art. The device comprises an auxiliary movement mechanism used for finger movement, the auxiliary movement mechanism comprises an arc-shaped elastic metal sheet and a bending control assembly, and the bending control assembly is used for controlling bending or unbending of the arc-shaped elastic metal sheet; the bending control assembly comprises a flexible inserting sleeve and a rigid inserting strip, the flexible inserting sleeve is arranged on one side of the arc-shaped elastic metal sheet, the rigid inserting strip can be inserted into the flexible inserting sleeve to straighten the arc-shaped elastic metal sheet, the arc-shaped elastic metal sheet comprises a fixed section and a movable section, and after the rigid inserting strip is pulled out of the flexible inserting sleeve, the movable section can be bent towards the palm center. After the rigid insertion strip is drawn out of the flexible insertion sleeve, the movable section loses constraint, fingers of a patient are pushed to bend under the action of bending force of the movable section, and hand movement of the patient can be assisted without taking down the constraint glove.

The invention provides a password anti-theft method and device, equipment, a storage medium and a product, and relates to the field of financial science and technology or other related fields. The method comprises the following steps: in response to a target operation of a user on a password input area of password input equipment, generating a corresponding random confusion pattern according to a preset period; and displaying the generated random confusion patterns in the password input area in sequence, so that the camera device confuses moving tracks when shooting the moving tracks of the fingers of the user in the password input area. According to the method, visual interference can be formed in the password input area, and the integrity of the finger movement track in the image captured by the candid shooting equipment can be remarkably destroyed, so that lawbreakers cannot clearly identify and track the finger movement track from the video recording, and password leakage of a user is avoided.

In order to highlight effective decoding information contained in complex finger motor imagery electroencephalogram data, the invention discloses a finger motor imagery decoding method based on a diversity feature learning network, and provides two data preprocessing methods based on time migration and masks. On this basis, a diversity feature generation module and a multi-scale feature enhancement module are constructed, and finally a dual-branch diversity feature learning network is formed. The data preprocessing method is used for generating difference of electroencephalogram data; the diversity feature generation module is used for extracting effective decoding information contained in the electroencephalogram data and solving the problem that deep potential information is difficult to extract; the multi-scale feature enhancement module is used for fusing and enhancing the decoding potential of the extracted diversity features. According to the method, diversity characteristics can be extracted, the problem that deep potential information is difficult to use is solved by utilizing the characteristics of electroencephalogram signals, and the ability of decoding finger motor imagery is remarkably improved.

The invention relates to the technical field of medical care, and discloses a device for driving fingers of a patient to move, the device comprises a base and a support seat on the base, an electric capstan is rotatably connected in the support seat, an insertion groove is formed between the base and the support seat, a glove is installed in the insertion groove, the glove comprises a palm sleeve and finger sleeves, and the palm sleeve and the finger sleeves are arranged in the insertion groove. The palm sleeve is installed at the inserting groove, a finger sleeve is installed at one end of the palm sleeve, and an upper pull wire is installed at the upper end of the finger sleeve. An electric capstan is driven by a motor in a support seat to rotate, the electric capstan pulls an upper pull wire to be wound on the outer surface of the electric capstan, so that the upper pull wire pulls a finger stall and fingers in the finger stall to tilt upwards, and the fingers of a patient are straightened; and the electric capstan loosens the upper traction line, so that the fingers naturally fall down, and the fingers of the patient are driven to move in cycles.

The utility model discloses a numerical control lathe of automatic feeding relates to numerical control lathe technical field, including numerical control lathe body, the one side fixed connection of numerical control lathe body has the mounting panel, the one side mounting of mounting panel has the switching mechanism, in the utility model, through pneumatic finger to the component for grabbing fixed, second electric push rod work drive pneumatic finger movement, make pneumatic finger linear motion in vertical direction, first electric push rod work drive mobile sleeve board movement, the horizontal position of pneumatic finger is adjusted, is used for the loading and unloading position of component adjustment, can be applicable to different component feeding, when loading, fourth electric push rod work drive sliding rod movement, steering wheel movement, steering rod rotates, and the angle of feeding frame is deflected, and the loading angle of component is adjusted when loading, improves the positioning accuracy of component.

It measures finger movements accurately with a simple configuration. [Solution] A measuring device 1 for measuring the movement of a finger 3, comprising: a base portion 11 attached to the proximal phalanx 26 of the finger 3; a distal phalanx attachment portion 12 attached to the distal phalanx 28 of the finger 3; a connecting link 13 having one end 13a rotatably connected to the base portion 11 around a first rotation axis A1 and the other end 13b rotatably connected to the distal phalanx attachment portion 12 around a second rotation axis A2, connecting the base portion 11 and the distal phalanx attachment portion 12; and a sensor 14 for measuring the relative position of the distal phalanx attachment portion 12 with respect to the base portion 11, wherein the first rotation axis A1 is positioned on the fingertip 28a side of the PIP joint 22 when the finger 3 is extended.

The invention relates to a rocker-based man-machine interaction device, which comprises an electronic assembly and a touch assembly, the electronic assembly comprises a circuit board and a rocker mounted on the circuit board, the touch assembly comprises a composite keycap and a support cap, the composite keycap is fixedly mounted on the rocker, the composite keycap is used for placing a finger and transmitting finger motion to the rocker, and the support cap is used for supporting the rocker. The supporting cap is arranged on the lower side of the composite keycap, and the composite keycap is in point contact with the supporting cap. According to the invention, human finger movement is fitted by a mechanical structure of the touch assembly through ergonomic design, and a basic structure design of a novel operation mode different from existing multiple operation modes is provided for man-machine interaction equipment.

A glove heating piece is fixed in an interlayer of the inner face of a glove of the finger exercising device, an air bag is further fixed to the inner face of the glove, stretching and bending movement assemblies are fixed to the finger back areas of the outer faces of five fingers of the glove, and the five stretching and bending movement assemblies are connected with a six-way piece through air pipes and valves. An abduction and adduction movement assembly is fixed between every two adjacent fingers of the gloves, the four abduction and adduction movement assemblies are connected with a five-way piece through air pipes and valves, the air bag, the six-way piece and the five-way piece of each glove are connected with a four-way piece through air pipes and valves, and the four-way pieces of the two gloves are connected with a three-way piece through air pipes and valves. An air pump assembly is installed in the control box and connected with a three-way piece through an air pipe. According to the finger exercise device, by arranging multiple exercise assemblies, the exercise effect of the finger exercise function is comprehensively improved, and more comprehensive exercise function recovery training on the fingers of a patient is achieved.

The utility model relates to the technical field of medical instruments, in particular to a patient limb fixing frame for operating room nursing, which comprises a bearing piece, an arm limiting piece and a finger limiting piece, the bearing piece comprises an arm bearing plate and a finger bearing plate hinged with the arm bearing plate, the arm supporting plate and the finger supporting plate are hinged to each other, an angle limiting assembly is arranged at the hinged position of the arm supporting plate and the finger supporting plate and used for limiting the movement range of the wrist, and the arm limiting piece is installed on the arm supporting plate and used for limiting displacement of the arm on the arm supporting plate. The hand of a patient can be kept stable, wrist joint movement caused by finger movement during an operation is avoided, smooth operation is facilitated, the angle between the arm bearing plate and the finger bearing plate can be adjusted through the angle limiting assembly, and postoperative rehabilitation training is facilitated.

The application provides an old-age assistance system based on artificial intelligence applied to the field of old-age service systems, introduces a finger ring assembly convenient for the old to wear by themselves, realizes mechanical sensing of whether the fingers of the old are in a motion state, and reflects the safety state of the old, when the fingers of the old are in an irregular activity state, it indicates that the old is in a safe normal state, when the fingers of the old have not been moved for a long time, it can indicate that the old is in an abnormal state to a certain extent, except for the special case that the old is sleeping, at this time, the intelligent bracelet disc sends an abnormality reminder to a mobile phone end, so that a guardian can further confirm the safety of the old in time, in addition, aiming at the special case that the frequency of finger movement is low when the old is sleeping, the safety of the old during sleep and when the old recovers from sleep can be monitored through the monitoring means of the intelligent bracelet disc in the shutdown state.

A head-wearable apparatus improves user interactions with virtual interface elements in augmented reality (AR) environments. The apparatus tracks hand movements in 3D space, calculating velocity vectors and positions of fingers. For each virtual interface element, it determines a Ul-to-finger vector and calculates alignment with the finger's velocity vector. Interaction zones are dynamically adjusted based on this alignment and velocity magnitude. The system evaluates consistency between finger movement and element locations to predict intended targets. Interactions are triggered when fingers enter adjusted zones of predicted targets. This approach reduces erroneous selections and improves interaction accuracy, even for closely- spaced elements. The invention applies to various AR scenarios, enhancing user experiences in applications like gaming and education.

This product is a notebook paper with five lines representing vowels next to the writing space, with the vowels A, I, U, E, O marked at the beginning of each line, visualizing the finger movements for vowels when reading by hand. It can be used vertically or horizontally depending on the purpose. After writing the letters, mark the vowel positions on the five lines, connect the marks with lines, and visualize the vowels.

The utility model relates to the technical field of finger joint training, in particular to an anti-skidding finger joint training device which comprises a main frame, a fixing frame and functional accessories. The fixing frame is arranged on one side of the main frame and provided with two supporting structures, and the two supporting structures are symmetrically arranged. An inner plate is installed on the surface of the fixing frame, two functional accessories are installed on the surface of the side, away from the main frame, of the inner plate, the two functional accessories are symmetrically arranged, 12 grooves are formed in the surface of each functional accessory, and the two sets of grooves are symmetrically arranged in a dovetail mode; the surface of the main frame is provided with a plastic-wood plate and an aluminum alloy strip with a decorative function, and the other end of the main frame is arranged on the surface of the outer frame. According to the finger joint training device, the grooves with the fixed distance and the fixed direction are arranged for finger joint training, the moving distance and the moving direction of fingers can be adjusted and controlled moderately, the situation that finger joints are injured due to the fact that the moving distance and the moving direction of a patient are abnormal in the training process is avoided, and the patient can train the finger joints on the premise that safety is guaranteed; meanwhile, grooves are formed in the surfaces of the functional accessories, so that the situation that the fingers of the patient slip in the exercising process can be reduced.

The invention discloses a finger exoskeleton unit and a hand exoskeleton capable of actively driving five fingers to bend, stretch, unfold and fold, and belongs to the field of medical instruments. In order to reduce the transverse envelope volume, an existing hand exoskeleton sacrifices active driving in the unfolding and folding direction and lacks the ability of carrying out active driving training in the direction. The mechanical arm comprises a finger executing mechanism, a transmission mechanism and a driving mechanism, and the driving mechanism can drive the finger executing mechanism to do pitching and / or side-sway movement through the transmission mechanism so that the finger executing mechanism can drive a single finger to do flexion and extension and / or unfolding and folding movement. According to the hand exoskeleton, the five fingers can be actively driven to stretch or retract and bend or stretch, then five-finger coordinated three-dimensional flexible movement is achieved, and compared with an existing exoskeleton which can only achieve five-finger bending and stretching movement or single-finger bending / stretching and stretching movement, the movement flexibility of each finger is guaranteed, and therefore the finger rehabilitation training effect is improved.

The present invention comprises: a virtual space generation program (31); an image generation program (32); a virtual space display means (6); a hand tracking means (7) for detecting the movement of an operator's hands and fingers; a layout modification means (42) for modifying the layout of components on the basis of detection information from the hand tracking means (7), and generating an image of the components that reflects the changes in the layout of the components according to the image generation program (32); and a hand image generation means (43) for generating an image of the operator's hands and fingers that changes from moment to moment, on the basis of the detection information from the hand tracking means (7), according to the image generation program (32). The layout modification means (42) allows the layout of the components to be modified by using the intersection of the extension line of the operator's finger and a component as the starting point for layout modification.

The invention is suitable for the technical field of human-computer interaction, and particularly relates to a finger individualized motion activation sequence generation method, device and equipment, and the method comprises the steps: obtaining a candidate finger motion data set of a target user; obtaining a first activation sequence according to each piece of candidate finger motion data in the candidate finger motion data set; slicing based on the first activation sequence of each candidate finger motion data to obtain a first activation fragment sequence data set; the adjacent transition probability of the activation state is determined based on the first activation fragment sequence data set, so that the dynamic transition characteristics between the finger motion states can be quantified, and the dynamic transition rule of the finger motion states can be described; according to the method, an individualized motion activation sequence of a target user is generated according to the adjacent transition probability of the activation state, conversion from candidate data to an individualized model is realized, a unique finger motion activation mode is generated for different users, and basic data support is provided for individualized interaction, precise training or motion auxiliary control.

The finger wiring structure of the dexterous hand comprises a palm, a thumb and fingers, the thumb is rotationally connected with the palm, the fingers are fixedly connected to the palm respectively, and a dexterous hand control center and a linear driver are arranged in the palm and used for driving the thumb and the fingers to bend or laterally swing respectively. Each finger comprises a fixing base, a near knuckle, a far knuckle, a touch sensor, a first pin shaft, a second pin shaft, a third pin shaft and a fourth pin shaft, the fixing bases are fixedly connected with the palm, the near knuckles are hinged to one ends of the fixing bases through the first pin shafts, and one ends of the far knuckles are hinged to the other ends of the near knuckles through the fourth pin shafts. According to the finger wiring structure of the dexterous hand, by changing the wiring mode of the touch sensor wiring harness, the relative displacement and self-bending of the wiring harness and adjacent parts in the fingers are avoided, the completeness of the outer skin of the wiring harness is guaranteed, and the influence on the finger movement is reduced.

This application discloses a human-computer interaction data glove, comprising a glove body, a finger sensor on the finger area of ​​the glove body, a data acquisition device on the outside of the wrist area of ​​the glove body, and an inner lining with a flexible strain sensor on the inner lining. The data acquisition device is electrically connected to the finger sensor and the flexible strain sensor respectively. This invention uses the flexible strain sensor on the wrist to sense wrist stress and deformation in real time, inversely solves the wrist posture angle and uses it as the dynamic base coordinate of the finger kinematic model, performing inverse compensation for finger joint angles, effectively solving the finger positioning error problem caused by changes in wrist posture.

The utility model relates to the technical field of rehabilitation medicine. The finger movement device for rehabilitation nursing comprises a fixing structure, and the fixing structure comprises a fixing wrist strap, a fixing plate, a fixing groove, a sliding seat and a fixing block; and the connecting structure comprises a connecting column, a first fixing column and a plurality of groups of second fixing columns, and the lower end of the connecting column is fixedly connected with the upper surface of the sliding seat. The fixing block can be propped through the elasticity of the spring to enable the lower end of the fixing block to be inserted into the fixing groove, so that the position of the sliding seat can be fixed, the fixing block can be driven to move by pulling the connecting block, and the lower end of the fixing block can be separated from the interior of the fixing groove. At the moment, the sliding seat can be pulled to adjust the positions of the connecting structure and the multiple training structures, through the design, the equipment can adjust the positions of the multiple training structures according to the size of the palm of the patient, and therefore the practicability of the equipment can be improved to a certain degree.

A forearm assessment and training device has a main support, a plurality of finger motion transmission members, a plurality of finger receivers, and a control module. Each of the finger motion transmission members has a member body with a first end and a second end. The first end of the member body of each of the finger motion transmission members is connected to the main support. Each of the finger receivers is connected to the member body of one of the finger motion transmission members. Each of the finger receivers has a finger aperture. The control module is connected to the main support. The control module includes a control module processor, a control module memory, and a sensor. The sensor is configured to measure a force applied to at least one of the finger motion transmission members.

The present application relates to the field of animal experiment equipment, and specifically discloses a primate hand action testing machine, which comprises a box body, a first channel, a second channel, a first opening and a second opening. A storage assembly composed of a base and guide rods of different structures is placed in the first channel. A liftable movable tray is arranged in the second channel. An activity evaluation device capable of being used in cooperation with the hand action testing machine is also disclosed, which comprises a cage body, a seat body, a climbing rod, a first flexible column and a second flexible column. Food is placed on the first channel, the second channel and the guide rods to test the simple grabbing and fine finger movement of the animal, thereby achieving the effect of testing the hand action. The first flexible column flexibly connects the cage body and the seat body, and the second flexible column flexibly connects the climbing rod and the front and rear grilles. The pressure change of the pressure point of the pressure sensor can be used to evaluate the activity of the animal in the cage.

To provide a baseball glove having improved adhesiveness and interlocking property with the movement of fingers.SOLUTION: In a baseball glove configured by combining an outer glove unit and an inner glove unit, the inner glove unit is configured by coupling one back-side part 40 and a plurality of palm-side parts 30, the plurality of palm-side parts 30 include at least a thumb part 31, an index finger part 32, a middle finger part 33, a ring finger part 34, and a little finger part 35, and by coupling these finger parts and the back-side part 40, finger holes into which the fingers are inserted are formed such that the back side is flat and the palm side has a curved shape corresponding to the finger shape.SELECTED DRAWING: Figure 2

The invention provides a rehabilitation glove and a design method thereof. The rehabilitation glove comprises a finger module, a palm module and a power module. The finger modules are arranged in parallel and comprise a first plate spring and a second plate spring of which the far ends are fixed, the palm module is used for supporting the palm of a user and is fixed to the near end of the first plate spring, and the power module is used for driving the second plate spring to move, so that the two plate springs interact to drive the fingers of the user to bend and stretch; a first included angle is formed between the first plate spring and the second plate spring and used for enabling the ratio of the bending angle of a near interphalangeal joint to the bending angle of a far interphalangeal joint of the finger to be not smaller than 2 when the power module drives the finger of a user to bend and stretch through the finger module, and therefore eagle claw-shaped deformity caused by excessive bending of the far-end joint is avoided. The motion trail of the fingers is more fit with the physiological characteristic of natural flexion and extension of the human hand, extra compression on soft tissues and joints of the fingers is remarkably reduced, and the wearing comfort and the safety of rehabilitation training are improved.