32 results about "Head turning" patented technology

Described herein is a chin rest apparatus for a visual field system. The chin rest apparatus can include a base and at least one chin rest insert moveably coupled to the base and configured to be adjusted to one of a plurality of head turn angles and one of a plurality of head tilt angles. The plurality of head turn angles and plurality of head tilt angles can be associated with obtaining a visual field of a subject in the visual field system.

The subject technology receives frames of a source media content, the frames of the source media content including representations of a head and a face of a source actor. The subject technology generates, based at least in part on the frames of the source media content, sets of source pose parameters. The subject technology receives at least one target image, the at least one target image including representations of a target head and a target face of a target entity. The subject technology provides the sets of source pose parameters to a neural network to determine facial landmarks for head turns and facial expressions. The subject technology generates, based at least in part on the sets of source pose parameters and the facial landmarks for head turns and facial expressions, an output media content. The subject technology provides augmented reality content based at least in part on the output media content for display on a computing device.

The invention discloses an AI glasses real-time cooperation system and method based on user intention prediction, relates to the technical field of education scene computer vision, and proposes the following scheme: obtaining a classroom panoramic image, and collecting a user head steering angle and an eyeball fixation coordinate sequence at the same time; the method comprises the following steps: segmenting a classroom panoramic image into different functional areas through semantic segmentation, distributing differentiated illumination weights according to optical characteristics of the functional areas, calculating an eyeball motion vector based on an eyeball fixation coordinate sequence, and superposing the eyeball motion vector and a head steering angle to generate a future continuous multi-frame prediction view area. And dividing all the functional areas into uniform grids. According to the method, the functional area is divided into the uniform grids, the theoretical illumination value of the predicted visual field area is weighted and calculated based on the illumination weight of the functional area, the brightness weight distribution difference of the light environment area is quantified in the spatial dimension, the nonlinear illumination sequence conforming to the actual optical gradient is generated, and distortion mapping of a linear model to the transition gradient of the functional area is eliminated.

The invention provides a voice wake-up method and device, an electronic device and a storage medium, and belongs to the technical field of data processing, and the method comprises the steps: determining a head steering angle according to a wake-up voice, the head steering angle being a position included angle between the straight direction of the wake-up voice and a to-be-wake-up device; the head steering angle is sent to the control terminal; and receiving and responding to an awakening instruction, wherein the awakening instruction is sent after the control terminal determines that the head steering angle is the minimum head steering angle in all the head steering angles received in the response period. According to the voice wake-up method and device, the electronic equipment and the storage medium provided by the invention, the head turning angle of the user is determined through the wake-up voice, and the control terminal finds out the equipment with the minimum head turning angle as the unique response equipment, so that the to-be-awakened equipment which the user really wants to interact can be accurately identified and awakened, and the user experience is improved. And the voice wake-up accuracy and the user experience in a multi-device scene are improved.

Some examples of the disclosure relate to a method performed on an electronic device configured to track a first vector indicating an orientation of the electronic device. In some examples, the electronic device tracks a second vector indicating a predicted motion path of the electronic device. In some examples, the device detects a difference between the first and second vectors. In some examples, and according to a finding that one or more first criteria are satisfied, the electronic device determines the difference as a head rotation input and performs an action according to the head rotation input.

The invention discloses a vertical double-head turning, drilling and milling combined machining tool, and belongs to the technical field of milling machine tools. The left stand column and the right stand column are arranged close to the left side and the right side of the whole large stand column, and the left stand column and the right stand column have moving degrees in the horizontal direction relative to the whole large stand column. A turning driving block is arranged on the right stand column, and a turning head is arranged on the turning driving block. A milling pin driving block is arranged on the left stand column, and a milling pin head is arranged on the milling pin driving block; the milling pin driving block and the turning pin driving block have movement degrees in the vertical direction relative to the left stand column and the right stand column; the problems that a single-stand-column numerical control lathe can only complete a single machining mode, workpieces need to be transferred and clamped twice, and the machining process is low in efficiency and not coherent enough are solved; and the number of machine tool table sets is increased, and the occupied space is increased.

The invention discloses a first-aid transfer bed which comprises a bed board, a head steering adjusting mechanism is arranged at one end of the bed board, storage buckets are arranged on the two sides of the head steering adjusting mechanism, the head steering adjusting mechanism comprises a base fixed to the bed board, and a left-right rotating body is rotationally arranged in the middle of the base. The left-right rotating body is driven by a left-right rotating motor in the base to swing left and right, a worm is transversely arranged in the left-right rotating body in the front-back direction, one end of the worm is connected with a front-back rotating motor, and a headrest assembly capable of swinging front and back is arranged on the upper side of the left-right rotating body. A worm gear meshed with the worm is installed at the lower end of the headrest assembly, and an inner concave part allowing the head to sink and be positioned is arranged on the upper side of the headrest assembly. The problems that an existing transfer bed depends on manual adjustment of the head posture, operation is inconvenient, and the fixing effect is poor can be solved.

The support pillow assembly includes a portable support pillow designed to provide optimal head and adjacent neck support for the user in upright and / or reclined seated and supine positions. The pillow may be configured in a taller or shorter profile. The pillow is tapered in a manner that maintains the user's neck and head in proper alignment. The support pillow assembly is constructed of single piece foam which is firm enough and contoured to prevent head turning and neck torsion. The support pillow is optionally configured with exterior support panels to provide additional utility, compressibility, stability, and comfort. The support pillow assembly optionally includes an adjustable strap that may be used to provide supplemental support to the head. It may be collapsed into a portable pillow comprising protective exterior supports, a cloth or similarly soft bag, or a protective case.

The invention belongs to the technical field of medical instruments, and particularly relates to a critical patient head automatic turnover device which comprises a base and a position adjusting mechanism arranged at one end of the base, a head turnover mechanism is arranged at the top of the position adjusting mechanism, and one side of the head turnover mechanism is in transmission connection with a head supporting mechanism through a shaft rod. The pressure in each silica gel air bag unit can be intelligently adjusted in the overturning process, pre-pressure reduction can be carried out before the pressure of the pressed side is increased, or adaptive supporting can be carried out after the pressure of the pressure reduction side is reduced, dynamic redistribution of the pressure is achieved, and local continuous high pressure is reduced to the maximum extent; the central control module can decompress the silica gel air bag unit and the air bag cushion on the decompression side according to a set program, the decompressed silica gel air bag unit and the decompressed air bag cushion contract to be separated from the cheeks and the forehead of the patient, and the occurrence risk of head and face pressure sores can be further reduced.

The subject technology receives frames of a source media content, the frames of the source media content including representations of a head and a face of a source actor. The subject technology generates, based at least in part on the frames of the source media content, sets of source pose parameters. The subject technology receives at least one target image, the at least one target image including representations of a target head and a target face of a target entity. The subject technology provides the sets of source pose parameters to a neural network to determine facial landmarks for head turns and facial expressions. The subject technology generates, based at least in part on the sets of source pose parameters and the facial landmarks for head turns and facial expressions, an output media content. The subject technology provides augmented reality content based at least in part on the output media content for display on a computing device.

The utility model discloses a wearable device for relieving head anteflexion, which relates to the field of human body shape correction auxiliary devices, and comprises a force transmission plate which is longitudinally arranged along the back of a human body, and the inner side of the middle part of the force transmission plate is locally contacted with the back; the head band is arranged at the upper end of the force transmission plate and surrounds the forehead; the waistband is arranged at the lower end of the force transmission plate and surrounds the waist or the crotch; when the waistband is bound and tightened, the lower end of the force transmission plate inclines forwards, the upper end of the force transmission plate leans backwards through the lever effect, the head band is driven to generate pulling force enabling the forehead to be backward and torque resisting forward inclination of the head, and the forward bending tendency of the head is relieved. The roller assembly is arranged on the outer side of the upper plate, when the head of a wearer rotates left and right, the head band drives the roller to roll on the roller supporting rod, sliding friction is changed into rolling friction, resistance of the head turning can be reduced, and wearing comfort is improved. The problems that in the prior art, an orthopedic fixator with a lower bar as a support affects mouth opening, speaking, feeding and chewing, and rotation of the head is limited are well solved.

The embodiment of the invention provides a head rotating device and a robot, and belongs to the technical field of robots. The head rotating device comprises a first base; the swinging mechanism comprises a first motor, a first motor base, a first rotating base and a first connecting rod; the first rotating seat is rotationally connected with the first end of the first connecting rod; the pitching mechanism comprises a second motor, a second motor base, a second rotating base and a second connecting rod; the second rotating seat is rotationally connected with the first end of the second connecting rod; wherein the output end of the first motor and the output end of the second motor are arranged at an included angle of 70-110 degrees; and the head supporting seat is rotationally connected with the first connecting rod and the second connecting rod. According to the head rotating device provided by the embodiment of the invention, through the swinging mechanism and the pitching mechanism which are vertically arranged or approximately vertically arranged, swinging deflection and pitching movement of the head of the robot are achieved respectively, the structure is simple, and actions are natural, smooth and not rigid.

The invention discloses an intelligent bionic mechanical hedgehog. A controller is arranged on the frame body; the spine assembly is fixedly connected with the frame body and located above the frame body; a head assembly; a forelimb assembly; a caudal vertebra assembly; a posterior limb assembly; a controller; according to the head, double-drive equipment is adopted to be matched with multiple sets of connecting pieces, and up-and-down rotation, left-and-right head turning and multi-angle fine adjustment can be achieved; the four limbs are independently controlled through double motors and a plurality of groups of hinged structures, so that complex actions such as soil digging, creeping and jumping can be completed; the caudal vertebra is composed of a plurality of hinged assemblies and can be bent synchronously along with curling of the body. Through cooperation of multiple driving modes, the equipment can accurately repeat various motion postures of a real hedgehog, the motion is smooth and natural, and no mechanical lagging feeling exists. Moreover, the spine assembly is designed according to a real hedgehog spine curve, the section number and the connection mode of the caudal vertebra assembly fit biological physiological characteristics, and the arrangement of four limbs in bilateral symmetry is matched, so that the stability of the gravity center during overall movement is ensured, and single-side inclination is avoided.

The invention discloses a header operation control system and a header operation control method of a grain combine harvester. Relates to the technical field of agricultural machinery control, and aims to solve the problems that a header and a reel need to be manually controlled respectively in traditional operation, coordination is difficult, operation efficiency is low, and grain loss is prone to being caused. According to the technical scheme, the device comprises a controller, a control handle, a header and reel angle sensor, a display and an electromagnetic valve. The controller is integrated with a control module and a memory module, and the memory module can store up-down limiting angle data of the header and the reel collected by a sensor or manually set. The system can synchronously drive the header and the reel to ascend and descend to a preset position by triggering a memory function or an edge-of-field mode button through one key, so that automatic execution of a composite action is realized. According to the method, the operation of key links such as turning at the edge of the field is remarkably simplified, the manual coordination burden and the operation interval time are reduced, and meanwhile, the intuition and the reliability of the operation are enhanced through real-time display and feedback.

A viewing angle prediction method, including determining a current predicted viewing angle corresponding to a current to-be-downloaded clip in a panoramic video based on a head movement trajectory of a user viewing the panoramic video (S110); acquiring a target candidate viewing angle set corresponding to said current to-be-downloaded clip in response to detecting that a current head turning action in the head movement trajectory is an invalid action (S120); and performing correction processing on the current predicted viewing angle, and determining a target predicted viewing angle corresponding to said current to-be-downloaded clip, based on the target candidate viewing angle set (S130).

The application discloses a spastic cerebral palsy infant model for rehabilitation nursing skill teaching, which comprises a head, upper limbs, a trunk, a hip and lower limbs, and a head turning device is connected to the top inner side of the trunk, the upper end of the head turning device is connected with the head, and the head turning device is connected with a head tightness adjusting mechanism; the upper limbs and the lower limbs are respectively provided with limb simulation structures; the upper limbs are provided with upper limb pressure detection modules, and the lower limbs are provided with lower limb pressure detection modules above and below. The child model can simulate abnormal postures and positions of spastic cerebral palsy children during spasm, such as frog postures, knife-fold postures and the like, and further assists operators to carry out corresponding operation practice. In the implementation, the tightness adjuster of different grades can be adjusted to adjust the spasticity degree, so that the change of muscle tension of spastic cerebral palsy children during spasm is simulated, and thus the simulation teaching of cerebral palsy rehabilitation nursing skills is realized.

The utility model discloses a craniocerebral trauma postoperative head position fixing device, which relates to the technical field of medical care equipment, effectively achieves the purpose of supporting the twisting head of a patient, and comprises a fixing plate, the upper end of the fixing plate is connected with a buffer plate in a sliding manner, and the upper end of the buffer plate is connected with a supporting plate in a sliding manner; the upper end of the supporting plate is fixedly connected with two symmetrically-arranged inclined air bags, the lower end of the supporting plate is fixedly connected with an expansion air bag, the other end of the expansion air bag is fixedly connected with the upper end of a buffer plate, the lower end of the fixing plate is rotationally connected with a limiting plate, and a limiting assembly is arranged in the middle of the fixing plate. The semi-reclining support is novel in structure, ingenious in conception and easy and convenient to operate, the function of supporting the neck is effectively added, the problem that a patient cannot be supported in the semi-reclining state is solved, and the function of adjusting the supporting height is newly added.

The utility model relates to the technical field of toys, in particular to a fierce rotating head device and a toy. The fierce rotating head device comprises a machine shell, a first gear and a second gear, the first gear and the second gear are meshed with each other in the machine shell, and the first gear can be connected with the head of the toy to drive the toy to rotate. The second gear is connected with one end of the traction rope and connected with the machine shell through an elastic piece, and the other end of the traction rope is pulled to enable the second gear to rotate from the first position to the second position so as to enable the head of the toy to be aligned; when the pulling rope is released, the second gear rapidly returns to the first position under the action of the elastic piece, the head of the toy is enabled to strongly rotate backwards by a preset angle, the effect of strongly returning is achieved, power is transmitted by means of the gear structure, power is provided by means of elastic force accumulated by the elastic piece when the pulling rope is released, the structure is simple, cost is low, and practicability is high. And the problem that the head turning action is stiff and blocked is effectively avoided, and the overall quality and user experience of the toy are improved.

The utility model provides an automatic decorative strip turning clamp. The automatic decorative strip turning clamp comprises a supporting plate, a clamping jaw assembly and a state detection piece. A connecting piece is arranged on the supporting plate and used for being connected with a mechanical arm. In the thickness direction of the supporting plate, the clamping jaw assembly is arranged on one side of the supporting plate, and the state detection piece is arranged on the supporting plate; a sensor used for positioning is arranged in the assembly line and / or the warehouse, and the state detection piece is used for making contact with the sensor. The connecting piece on the supporting plate is connected with the mechanical arm, the mechanical arm drives the clamp to move, meanwhile, after the state detection piece on the supporting plate makes contact with the sensor, the sensor records the machining state information of the current product, and therefore the current working procedure of the product is determined, and the mechanical arm can accurately move the product to the corresponding position; and automatic placement of the products is achieved.

The invention relates to a video pre-caching method and device based on user interest points and electronic equipment. The method comprises the following steps: determining a reference cache priority of each video block of a video according to video content and historical viewing angle data of a user; adjusting the reference cache priority of each video block according to the field angle of the current user in combination with the prediction information of the head turning behavior of the current user to obtain the target cache priority of each video block; and caching the video blocks in sequence according to the target cache priority. According to the invention, the accuracy of FOV visual angle prediction can be improved, and the FOV visual angle switching fluency is improved.

The application provides a positioning-accurate electric grinder head turning and polishing equipment, and belongs to the technical field of electric angle grinder head manufacturing. It solves the problem of the urgent need for developing a positioning-accurate and coordinated electric grinder head polishing equipment in the market. The application comprises a rack, a rotating table component, a material taking component, a material unloading component, a positioning detection component, a forward polishing component, a reverse polishing component and a turning component arranged on the rack. The rotating table component has six stations, which are sequentially arranged in a clockwise direction as a material feeding station, a forward polishing station, a turning station, a reverse polishing station, a material unloading station and a positioning station. Compared with the prior art, the application has high automation and precision, and can automatically polish the front and back surfaces of the grinder head with high continuity and positioning accuracy.

The invention relates to the technical field of nursing devices, and discloses a head deviation prevention device for neonatal nursing, which comprises a base, a headrest and a deviation prevention pillow are arranged at the top of the base, the deviation prevention pillow is of a concave structure, the deviation prevention pillow is positioned on the outer side of the headrest, and symmetrically arranged air bags are mounted on the inner side of the deviation prevention pillow. Contact layers are installed on the outer walls of the opposite sides of the deviation-preventing pillow and are installed at the positions close to the air bags, and air guide pipes are connected to the ends of the air bags. Through the arrangement of the headrest, the pressurizing ball, the air guide pipe, the air bag and the contact layer, the air bag is inflated by pinching the pressurizing ball to be matched with the air guide pipe, the air bag is inflated and expands to apply pressure to the contact layer, and the contact layer makes contact with the side face of the head of the newborn; the distance between the two contact layers installed on the anti-deviation pillow can be flexibly adjusted according to the head circumference of the newborn, and the supporting effect of the headrest on the head of the newborn is matched, so that proper support can be provided for the newborns with different head circumferences.

The invention discloses a turning and fixing device and method for an ellipsoidal head, which can be used for directly fixing in a machining area of turning equipment and correcting the roundness, so that the quality of subsequent turning machining is reliably ensured. The device comprises a fixing base (1), the fixing base (1) is coaxially installed on a rotating shaft of turning equipment, the shape of the fixing base (1) is matched with the shape of the inner wall of the ellipsoidal head, a plurality of correcting pieces (2) are arranged on the fixing base (1) at intervals in the circumferential direction, the correcting pieces (2) are connected with the fixing base (1) in a position-adjustable mode, the correcting pieces (2) can stretch out of or retract back to the fixing base (1), and the correcting pieces (2) are connected with the fixing base (1) in a position-adjustable mode. And the position of the correcting piece (2) is adjusted, so that the end part of the correcting piece (2) can be propped against the inner wall of the ellipsoidal head for correcting the roundness.

The invention discloses an emotion analysis method for ideological and political teaching, and belongs to the technical field of image processing. The method comprises the following steps: firstly, pre-collecting front face images of students facing a blackboard, and collecting face images of students in an ideological and political teaching classroom in real time; calculating a head turning angle and a head raising angle of the real-time image according to key points of the front face image and the real-time face image, and acquiring a left eye deviation value and a right eye deviation value of the real-time image according to eye areas of the front face image and the real-time face image; then constructing a posture change degree time sequence based on the data at a plurality of continuous moments; and finally, inputting the angle, deviation value and posture change degree sequential sequence of the continuous moments into a sequential processing neural network to obtain a classroom interest value, thereby accurately evaluating the emotional state of students in ideological and political teaching, and improving the teaching condition evaluation precision.

A kind of cross head turning clamping tool, it is related to machining technical field, the clamping tool includes pull rod and clamping flange, the pull rod one end is provided with gap, workpiece hook is rotatably connected in the gap, the pull rod other end is provided with external thread, the clamping flange middle part is provided with central hole, the clamping flange is set in the one end of pull rod external thread, the external thread is threadedly connected with compression nut, the clamping flange includes flange plate, the flange plate one side is equipped with boss, and the other side is equipped with circular table, when clamping, the circular table is in contact with compression nut, the clamping tool of the utility model is used to cross head clamping turning, improve production efficiency, guarantee coaxiality requirement.

The present invention discloses a video semantic emotion recognition system based on an educational scenario, and the present invention relates to the technical field of educational systems. The video semantic emotion recognition system based on an educational scenario includes: a data preprocessing and enhancement module, a face and posture processing module, a feature extraction and classification module, a bimodal fusion and recognition module, a state and time domain analysis module, and a class quality evaluation module; through comprehensive preprocessing and enhancement, the quality of the video frame is improved, laying a good foundation for subsequent analysis. The face and posture processing module can cope with complex situations such as head turning and occlusion to ensure data integrity. The bimodal fusion features, combined with deep neural network time series modeling, can more accurately identify emotions. The state and time domain analysis module innovatively establishes a database containing time domain information, which can not only analyze students' activity and concentration, but also analyze changes in emotional state in combination with time domain factors.

The utility model discloses an end socket turnover device in the technical field of mixing drum manufacturing, which comprises a stand column main body, a sliding lifting device, a rotating device, an L-shaped frame main body and a clamping device, the sliding lifting device is arranged on one side of the stand column main body, the L-shaped frame main body is combined with the rotating device and is integrally arranged on the sliding lifting device, and the clamping device is arranged on the L-shaped frame main body. The supporting device and the clamping device are both arranged on the L-shaped frame body. According to the end socket turnover device, mechanical equipment can be adopted to replace manual turnover of the end socket, the automation degree is improved, the manual turnover difficulty and safety risks of workers are reduced, complex work of manual turnover is reduced, turnover efficiency can be improved, the problem of appearance damage during manual turnover can be solved, and product quality is improved.

The present invention relates to the technical field of safety helmets, and specifically to a raincoat foldable safety helmet, comprising a helmet body, wherein an inner top is fixedly connected inside the helmet body, a storage component is detachably connected to the inner top, and the storage component is detachably connected to the safety helmet body, and an auxiliary component is fixedly connected to the lower end surface of the inner top, and the auxiliary component can increase the friction between the safety helmet and the user's head, so that the head turning action and the safety helmet cooperate well, the safety helmet can rotate with the head, and the user can observe the situation outside the safety helmet well. At the same time, the invention can make the safety helmet and the raincoat tightly connected when it rains, and rainwater is not easy to enter the inside of the raincoat. After using the raincoat, the raincoat can be conveniently and quickly stored in the safety helmet, and the moisture on the surface of the raincoat can be dried to prevent the raincoat from getting moldy. At the same time, the dried raincoat can improve the comfort of next use.

The embodiment of the present disclosure provides a view prediction method, device and equipment and a storage medium. The method comprises the following steps: determining a current predicted view corresponding to a current to-be-downloaded slice in a panoramic video based on a head movement track of a user watching the panoramic video; if a current head turning action in the head movement track is detected as an invalid action, obtaining a target candidate view set corresponding to the current to-be-downloaded slice; and correcting the current predicted view based on the target candidate view set to determine a target predicted view corresponding to the current to-be-downloaded slice. Through the technical scheme of the embodiment of the present disclosure, the view prediction deviation caused by the user turning the head too much due to non-video factors can be solved, and the accuracy of view prediction is improved.

The utility model relates to the technical field of toys, in particular to a continuous head turning device and a toy. The continuous head turning device comprises a driving assembly, a driving gear, a middle gear and a driven gear, and the driven gear is connected with the head of the toy and drives the head of the toy to rotate; the driving gear can be driven by the driving assembly to do non-uniform-speed periodic reciprocating intermittent rotation, and the intermediate gear is movably arranged so that the intermediate gear can roll around the driving gear in the state that the intermediate gear is kept engaged with the driving gear so as to roll to be engaged with or separated from the driven gear. And the rolling driving force of the driven gear is provided by the driving gear or the driven gear which is meshed with the driven gear and rotates. Therefore, through non-uniform-speed periodic reciprocating clearance rotation of the driving gear and transmission of the intermediate gear, the driven gear can drive the toy head to do periodic non-uniform-speed continuous rotation, so that the dynamic effect of continuous rotation of the toy head is enriched to a certain extent, and the interestingness and attraction of the toy are improved.