239 results about "Human head" patented technology

A head and neck assembly for a humanoid robot, including a head portion having an exterior surface defining an overall shape resembling a human head; a neck portion extending from the head portion; a head housing assembly enclosing the head portion and neck portion; an electronics assembly contained within the head housing assembly; and a head actuator assembly configured to move the head portion relative to a torso of the humanoid robot.

Disclosed in the present invention is a Gaussian mixture shape method applicable to dynamic modeling of the head of a human body. A Gaussian mixture shape is composed of a neutral Gaussian model representing a neutral expression and a plurality of basic expression Gaussian models corresponding to a plurality of basic expressions. Each Gaussian model comprises a group of three-dimensional Gaussian functions having information such as position, shape, and color. A human face and head model of any expression is efficiently generated by linearly mixing the neutral Gaussian model and the basic expression Gaussian models. The method comprises training image acquisition and preprocessing, Gaussian mixture shape training, and human head animation generation. The present invention has higher drawing quality, can retain more high-frequency details of the head of the human body, and improves the sense of reality and fidelity of drawing; and the present invention has higher operating speed which is more than five times higher than that of the current most advanced method. Therefore, the present invention can be widely applied to movies, animation production, online games, teleconferences, etc., and has high practical value.

The utility model relates to a multi-layer adjustable omni-directional head massager which comprises a top-layer base plate, a first through hole is formed in the top-layer base plate, the geometric center of the first through hole coincides with the geometric center of the top-layer base plate, the edge of the top-layer base plate is connected with a plurality of first supporting arms and a plurality of second supporting arms, the length of the first supporting arms is smaller than that of the second supporting arms, and the length of the second supporting arms is larger than that of the first supporting arms. The second supporting arms are arranged between the adjacent first supporting arms, the first supporting arms are arranged between the adjacent second supporting arms, the top layer substrate is attached with the middle layer substrate, the middle layer substrate is attached with the secondary layer substrate, the top layer substrate, the middle layer substrate and the secondary layer substrate are arranged in sequence, and threaded rods are contained in the first through holes, the second through holes and the third through holes. The top-layer substrate is connected with the multiple first supporting arms and the multiple second supporting arms, the edge of the middle-layer substrate is connected with the multiple third supporting arms and the multiple fourth supporting arms, the edge of the secondary-layer substrate is connected with the multiple fifth supporting arms and the multiple sixth supporting arms, and therefore the device can be used by being attached to the heads of different human bodies.

The invention provides a device and equipment for evaluating the dose-effect relationship of craniocerebral injury caused by human body explosive shock waves and a medium, and relates to the technical field of craniocerebral injury dose-effect relationship evaluation.The method comprises the steps that firstly, the scale law relationship of explosive shock wave attenuation coefficients of different species is established, and the incidence pressure peak values of the forehead of the human body corresponding to different incidence overpressure duration time are calculated; and then establishing a human body craniocerebral explosion injury 50% survival curve, and evaluating the craniocerebral injury dose-effect relationship of the person to be evaluated based on the curve. According to the evaluation device, by combining experimental animals with different weights and skull thicknesses, high-precision physical head models and other outfield actual explosion experiments, the dose-effect relationship of the craniocerebral injury of the experimental animals is transited to people, the dose-effect relationship of the craniocerebral injury of the human body is established, a craniocerebral injury evaluation system of the human body explosive shock waves is formed, and the complex structure of the craniocerebral of the human body is considered; and the dose-effect relationship of the animal is filtered into the human body, so that the dose-effect relationship of craniocerebral injury when the human body is subjected to explosion impact can be evaluated more accurately.

The invention relates to a heterogeneous human head model construction method and system oriented to multi-physics field simulation, based on real human head T1 weighted magnetic resonance image data, key tissues such as white matter, gray matter and cerebrospinal fluid are accurately segmented, and a three-dimensional geometric model used for generating carrying tissue identification information is researched and developed; converting the model data into a file format conforming to the NASTRAN standard by utilizing an independently developed format conversion program, and completely retaining organization classification information; finally, different tissue areas are automatically recognized through physical field simulation software, corresponding frequency dependent material attributes are distributed, and a finite element model capable of being directly used for simulation is formed. According to the method, seamless integration of the high-precision heterogeneous human head model and the simulation platform is achieved, tedious manual repairing and assignment operation is not needed, the method has the advantages of being high in precision, high in efficiency and good in compatibility, and the authenticity and reliability of biomedical simulation such as transcranial magnetic stimulation and radio frequency coil design can be remarkably improved.

A computing device for generating a three-dimensional (3D) representation of a head of a participant in a video communication session is provided. The computing device comprises processing circuitry causing the computing device to be operative to acquire a captured 3D representation (300) of the head, and to identify positions (1-27) of a set of facial landmarks in the captured 3D representation (300). The set of facial landmarks comprises facial landmarks indicative of a boundary of the human face. The computing device is further operative to determine a pose of the head, and to determine a boundary (310) between an inner part (320) and an outer part (330) of the captured 3D representation (300), based on the identified positions (1-27) of the set of facial landmarks. The inner part (320) of the captured 3D representation represents the face of the participant. The computing device is further operative to generate an avatar representation corresponding to the outer part (330) of the captured 3D representation (300), using a Machine-Learning (ML) model trained for human heads, with the determined pose of the head as input.

Systems and methods of a safety helmet for protecting the human head against repetitive impacts, moderate impacts and severe impacts so as to significantly reduce the likelihood of both translational and rotational brain injury and concussions may be provided. The helmet may include an outer shell, an outer liner disposed within and coupled to the outer shell, and an inner liner disposed within and coupled in spaced opposition to the outer liner. A damper array may allow for omnidirectional movement of the inner liner relative to the outer liner and the outer shell.

The present disclosure provides for devices, systems and methods for precise human head positioning in space. The present disclosure provides for control of precise human head positioning in space with use of drawing lines generated via a facial recognition computer software and positioning of sensors with permanent identification markings onto the human head according to those markings.

The present invention discloses a digital twin brain projection method with individual intrinsic structural characteristics, which is applied to the field of biomedical engineering. Aiming at the problem that the existing digital brain cannot reflect the individual intrinsic characteristics of the user to be analyzed, the present invention uses a fresh corpse with a death time less than 2 hours and no lesions or injuries in the head tissues, which is closest to a normal human body; constructs a head brain voxel multimodal image dataset and a human head tissue projection dataset; then collects the head brain voxel multimodal image data of a normal human body, and based on the established projection data index dataset, automatically establishes the brain tissue mapping function of this normal human body to achieve individual intrinsic brain voxel segmentation and definition; then uses the cloud point reconstruction technology to realize the reconstruction of the individual intrinsic brain, so as to systematically complete the digital twin brain projection with individual intrinsic characteristics.

A head covering is described that includes a cap formed from a first stretchable material and shaped to encompass a top of a human head, an elastic band connected to a circumferential rim of the cap, and a headband formed from a second stretchable material and arranged around and connected to a bottom circumferential region of the cap. In certain implementations, the headband is non-detachably or detachably connected to the bottom circumferential region of the cap at attachment points spaced along a top edge of the headband and a bottom edge of the headband, such that a pocket is formed between the headband and the cap. In further accordance with such implementations, spacings between the attachment points along the top edge of the headband form openings that provide access to the pocket, such that a wearer can insert excess material of the cap into the pocket for storage therein.

The invention relates to an image magnification display device based on millimeter waves and a control method. The method comprises the following steps: acquiring human head features by utilizing a millimeter wave radar, calculating and generating safety outer frame parameters matched with a human head contour according to acquired human head contour data, and displaying a safety outer frame on a display module according to the safety outer frame parameters; judging whether size and position adjustment input of the safety outer frame exists or not, if yes, performing corresponding size and position adjustment, and entering the next step after adjustment is completed, otherwise, directly entering the next step; the display module carries out local amplification processing on an area picture selected by the safety outer frame; millimeter waves and an FPGA are added to the display, a reasonable area needing to be amplified is mapped according to the size of the head of a human body after the millimeter waves recognize the distance between the human body and the display, the selected area is amplified through an FPGA algorithm, the visual impression of a user is improved, and visual fatigue can be well solved.

The utility model relates to the related technical field of physiological information acquisition devices, and provides a brain-hand physiological information acquisition device which comprises a first measuring column and a second measuring column, and impedance electrodes, fingerprint sensors and frontal print sensors are arranged on the first measuring column and the second measuring column; the first measuring column and the second measuring column are respectively arranged at a first position and a second position of a human head; the device further comprises an excitation source and a common electrode connected with the excitation source, the common electrode is arranged at the third position of the human head, and the common electrode and impedance electrodes arranged on the first measuring column and the second measuring column form a hand and brain impedance measuring loop through the human head and the hand. Signal measuring electrodes can be arranged on the upper surface and the lower surface of the measuring column of the device, and meanwhile, the types of collected data are enriched by combining hand fingerprints and head frontal print information. A single device can realize measurement of a plurality of signals, and the portability is greatly improved.

The application discloses a three-dimensional human head reconstruction method based on a geometric prior network and related devices, and the method comprises the following steps: extracting a plurality of posture parameters and a plurality of expression parameters of each frame of picture in a preprocessed monocular human head video; performing linear mixed skinning changes on a plurality of initial mesh vertex positions of each frame of picture to obtain a plurality of first mesh vertex positions of each frame of picture, and assigning a reference three-dimensional Gaussian to each first mesh vertex position; initializing each reference three-dimensional Gaussian to obtain a first attribute set; determining a geometric offset of each reference three-dimensional Gaussian according to the plurality of posture parameters, the plurality of expression parameters, hidden coding and the plurality of initial mesh vertex positions; determining a second attribute set of each reference three-dimensional Gaussian according to the first attribute set and the geometric offset; and determining a human head reconstruction result according to the second attribute set of each reference three-dimensional Gaussian. The application realizes high-precision restoration of human head reconstruction.

The invention relates to the technical field of medical instruments, in particular to a method and a device for tracking, monitoring and evaluating brainstem functions of pupils based on human head rotation, and effectively solves the problem that multi-angle pupil images can be acquired in a stable state of the head of a patient through cooperation of a rotating seat and an infrared camera. The accuracy and comprehensiveness of brainstem function evaluation are improved; according to the technical scheme, the device comprises an arc-shaped bracket which is semi-arc-shaped, one end of the arc-shaped bracket is provided with an output shaft, and the output shaft is connected with external driving equipment; the rotating seat is arranged on the arc-shaped bracket, the bottom of the rotating seat is meshed with the surface of the output shaft, and a head support is arranged in the middle of the rotating seat; the sponge strips are located on the two sides of the head support and bonded with the rotating base in a tearable mode through hook-and-loop fasteners.

The application discloses a human head dynamic modeling relightable Gaussian mixed shape method, which comprises training image collection and preprocessing, mesh mixed shape training, Gaussian mixed shape training and human head animation generation. The relightable Gaussian mixed shape expression comprises a mesh mixed shape and a Gaussian mixed shape; the mesh mixed shape is used for capturing individual characteristics and is responsible for normal and visibility calculation; the Gaussian mixed shape is responsible for coloring and final image rendering; both are composed of a neutral model representing a neutral expression and a plurality of base expression models corresponding to basic expressions. Human face and head models of arbitrary expressions are efficiently generated by linearly mixing the neutral model and the base expression models. The application expands the Gaussian mixed shape expression without reducing drawing quality and running speed, so that the Gaussian mixed shape expression supports relighting applications, and better serves the production of applications such as movies, animation production, network games and remote conferences.

1. The name of the design product: EEG team competition head-mounted device (streamlined competition version). 2. The use of the design product: worn on the human head to realize EEG cooperative interaction function, suitable for team competition scene, and the device takes into account the wearing comfort, storage convenience and visual adaptability of the competition scene. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

1. The name of this design product: Vase (Human Head). 2. Purpose of the product with this design: The product with this design is used for flower arrangement. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

Method and device for analyzing the force injury of the optic nerve after the human head is struck, which saves a large amount of modeling time and greatly reduces the possibility of non-convergence of the solution caused by poor mesh generation effect, provides the possibility for later clinical application, is closer to the actual situation of patients, and has the advantages of high credibility and low cost. The method includes: (1) constructing a finite element analysis mesh model of three-dimensional important tissue organs of the human head; (2) building a biomechanical material parameter database of important tissue organs of the head; (3) constructing tissue organ entities according to the mesh model and performing biomechanical calculations on the optic nerve.

The invention relates to the technical field of language function training robots, in particular to an aphasia patient language function training robot which comprises a body part, a head part is arranged at the top of the body part, shank parts are fixedly connected to the two sides of the bottom of the body part, thigh parts are slidably connected to the surfaces of the shank parts, and the thigh parts are slidably connected to the surfaces of the thigh parts. And an adjusting assembly I is arranged on one side of the body part. The robot has the advantages of height adjustment and emotional interaction enhancement, a threaded rod is driven by a third motor to move up and down to drive a shank part, a head part and a body part to integrally ascend and descend, a patient can adjust the height of the robot according to the height or sitting posture requirement, it is ensured that the body is naturally relaxed during training, and the training comfort is improved; fatigue or discomfort caused by improper postures is reduced; the second motor drives the concave frame to drive the linkage rod to rotate left and right to achieve left-right swing of the head, the first motor drives the first adjusting frame and the second adjusting frame to achieve front-back pitching of the head, and natural actions of the human head can be simulated.

The invention discloses a three-dimensional head reconstruction method based on a geometric prior network and a related device. The method comprises the following steps: extracting a plurality of attitude parameters and a plurality of expression parameters of each frame of picture in a preprocessed monocular head video; performing linear hybrid skin change on the plurality of initial grid vertex positions of each frame of picture to obtain a plurality of first grid vertex positions of each frame of picture, and allocating a reference three-dimensional Gaussian for each first grid vertex position; initializing each reference three-dimensional Gaussian to obtain a first attribute set; determining the geometric offset of each reference three-dimensional Gaussian according to the plurality of attitude parameters, the plurality of expression parameters, the hidden codes and the plurality of initial grid vertex positions; determining a second attribute set of each reference three-dimensional Gaussian according to the first attribute set and the geometric offset; and determining a head reconstruction result according to the second attribute set of each reference three-dimensional Gaussian. According to the invention, high-precision restoration of human head reconstruction is realized.

Disclosed herein a neurosurgical simulator for training of various tasks involved in Endoscopic Endonasal Transsphenoidal Surgery, composed of a human head model comprising an anterior portion including a nose part, and a posterior portion detachably mounted on an inclined base part; a plurality of apertures on the nose part for insertion of an endoscope and an instrument for manipulation; said inclined base part placed at an inclination to mimic a patient position during endo-nasal surgery; wherein said base part comprises a protruded platform having slots to create male-female connection with corresponding a plurality of protrusions provided under one or more activity plates; wherein said activity plates are so designed to train various tasks including pick-place, drilling, incising, punching / grasping and precision movements around the anatomical structures. The simulator further comprises sensors including touch sensors, force sensors and accelerometers configured to track the performance of the user and provide feedback. The simulator further comprises a pair of articulated arms with encoders at each joint of said arm connected to the endoscope and the instrument for tracking the kinematic data of the user.

According to one aspect of the present disclosure, a method of mesh-deformation prediction is provided. The method may include generating a set of global features based on mesh information associated with a mesh of an avatar head. The mesh information may include a plurality of first vertex positions of the mesh corresponding to the avatar head being in a neutral pose. The method may include generating a set of mesh deformations for another pose of the avatar head based on the mesh information, the set of global features, and a pose vector associated with the another pose. The set of mesh deformations may be associated with a plurality of second vertex positions of the mesh corresponding to the avatar head in the another pose. The method may include performing a skinning process to generate a plurality of joints and joint weights based on the set of mesh deformations.

The invention provides a head external frame area determination method and device, electronic equipment, a storage medium and a vehicle. The method comprises the following steps: acquiring an associated face bounding box of a person object to be predicted; determining a head yaw angle and a head pitch angle corresponding to the associated face external frame according to the face key point coordinates in the associated face external frame and a face attitude estimation algorithm; calling a mapping function corresponding to the seat information of the to-be-predicted figure object, and determining a head angle correction coefficient corresponding to a head external frame of the to-be-predicted figure object by using the mapping function; the head angle correction coefficient is utilized to correct the head external frame area, the actual head external frame area is determined, the head external frame area of the to-be-predicted person object is corrected for different seats based on the head yaw angle and the head pitch angle of the to-be-predicted person object, the determination accuracy of the head external frame is improved, and the prediction accuracy of the to-be-predicted person object is improved. And the accuracy and reliability of a subsequent alarm task are improved.

1. Name of the product in this design: Lining (81). 2. Purpose of this design: This product is a component of a protective helmet, used as the inner liner of the helmet. Protective helmets are mainly used to protect the human head in sports, work and other scenarios. This inner liner plays a role in cushioning and shock absorption in the protective helmet. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. This design is for a thin product, and the left, right, top, and bottom views of Designs 1-10 are omitted. 6. Design 1 is designated as the basic design.

The application discloses a 360-degree face head parameterization model generation method based on synthetic data, comprising the following steps: face alignment of diversified digital people is carried out by using Procrustes transformation, synthetic 3D face data sets with expression labels are shot and created; a 3DMM model with consistent topology is generated by using a principal component analysis method and Procrustes transformation, and model coefficients are obtained; a parameterized three-dimensional head model capable of generating multi-view multi-expression images is constructed and trained in combination with 3DMM coefficients and expression grid models; the model is fine-tuned to realize separation of hair and face, and image editing is carried out; expression coefficients in a video are extracted, and a digital head with dynamic expressions is generated through the model. The method improves the authenticity and expressiveness of head image generation, and enhances the capability of the model in generating dynamic expressions and multi-view images.

1. The name of this design product: mesh cap (velvet). 2. Purpose of this product design: This product design is used to fix wigs. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1. 5. The bottom view of this design product is a part that is difficult to see or cannot be seen when in use, so the bottom view is omitted. 6. The human head model in the design image is a background and does not belong to the design content for which protection is requested.

The invention relates to a dynamic three-dimensional head reconstruction method based on compact tensor representation and an electronic device, a compact tensor representation method is used to encode texture attributes of a 3D Gaussian model, static three planes are used to store appearance information of neutral expressions, and lightweight one-dimensional feature lines are used to represent dynamic texture details, so that the dynamic three-dimensional head reconstruction method based on compact tensor representation is realized. Therefore, the storage cost is obviously reduced, and real-time rendering is realized. The invention further provides an adaptive truncation opacity punishment and category balance sampling strategy to improve the generalization ability of the model among different expressions. Compared with the prior art, the method has the advantages of high dynamic texture capture precision, low storage requirement and high rendering efficiency, can realize 300FPS rendering speed and single person 10M storage while ensuring high-quality dynamic detail reconstruction, and is suitable for wider application scenes.

A contourable product for absorbing moisture includes a main sheet comprising an absorbent material. A number of sides of the main sheet is more than four, with the main sheet defined by a polygonal shape. The main sheet is movable between an unwrapped position and a wrapped position. In the unwrapped position, the main sheet is completely unfolded and substantially flat. In the wrapped position, the main sheet is contoured to secure to and wrap around a human head and extend around head hair of the human head.

The invention discloses a bulletproof helmet and a preparation method thereof, and relates to the technical field of safety protection appliances. The inner wall of the helmet body is provided with a binding face used for being attached to the head of a human body, the helmet body comprises a plurality of prepreg material layers, and the prepreg material layers are pressed to form the helmet body. According to the bulletproof helmet provided by the invention, a liner does not need to be independently arranged, the risk that the helmet slips off when the body performs large-amplitude actions is avoided, meanwhile, the comfort of the bulletproof helmet is improved by matching the fitting surface of the helmet body with the curved surface of the head of the human body, and the head of the human body can be better protected when the human body is threatened. Besides, a plurality of prepreg material layers are pressed to form the helmet body, and the prepreg material layers can be flexibly selected according to bulletproof grades and use requirements, so that the protection performance and the safety performance of the bulletproof helmet are guaranteed.

1. The name of the design product: head massage pillow. 2. The use of the design product: for human head massage. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. Other circumstances that need to be explained: omit view: bottom view (not easy to see the surface).