297 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.

A three-dimensional human head reconstruction method, an electronic device and a non-transient computer-readable storage medium are provided. The method includes: acquiring a target portrait image; inputting the target portrait image into a target model to obtain an output result of the target model; wherein the target model is obtained by pre-training with a plurality of training samples which are generated according to a sample portrait image and a sample three-dimensional human head model, the sample three-dimensional human head model is obtained by iteratively fitting a standard three-dimensional human face statistical model according to two-dimensional feature information related to a portrait in the sample portrait image, and the two-dimensional feature information includes human face feature points and a human head projection contour line; and generating, according to the output result, a target three-dimensional human head model corresponding to the target portrait image.

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 discloses a head fixing device, and relates to the field of medical instruments. The fixing device body can be attached to the outer side of the top end of the head; the bearing mechanism is movably arranged on the rear side of the fixing device body, the position of the bearing mechanism on the fixing device body can be adjusted, and the bearing mechanism is attached to the rear side of the head of the human body and used for bearing the head of the human body in the lying state. The head fixing device provided by the invention can reduce the discomfort of a user.

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.

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.

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.

The invention discloses a human head facial expression imitating robot and a mouth pouting mechanism integrated system device and a control method thereof, and relates to the field of human head facial expression imitating robots. The technical problems that an existing human head and face imitating robot is difficult to achieve by purely depending on the skin, the lips and a driving mechanism of the lips through pouting actions and incomplete in basic emotion expression when facial expressions and emotion behaviors are not full in emotion expression and the like are solved. According to the technical scheme, the device is composed of driving mechanisms for the orbicular orbicular muscle, the masseter muscle, the laughing muscle, the buccal muscle, the anorbital horn muscle, the chin muscle, the anorbital lower lip muscle, the zygomatic muscle, the zygomatic small muscle and the like which simulate the human face skin mouth and the periphery of the human face skin mouth, and the orbicular orbicular muscle driving mechanism is used for achieving the angular distortion action behavior main body. When the driving mechanisms for realizing actions such as cheeks and chin realize the active pouting action, the pouting action is realized by coordinating according to the principle of a facial expression coding system and cooperating with the motion of the orbicular orbicular muscle driving mechanism of the pouting action action. The orbicular orbicular muscle driving mechanism system comprises a soft rope which is pre-embedded in the orbicular orbicular muscle area of the simulated human face skin or connected to the back of the orbicular orbicular muscle area of the simulated human face skin, an elastic steel wire which is pre-embedded in the lip of the simulated human face skin or connected to the back of the lip, and a corresponding rope; the micro-miniature integrated servo motor and the driving and control unit of the micro-miniature integrated servo motor are arranged on the base; the micro-miniature integrated servo motors are all servo motors with position and speed sensors and planetary reducers.

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.

1. The name of the product of this design: liquid guide comb. 2. The purpose of this design product: to massage and maintain the skin of the human head and to vibrate and care for the head. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

The invention relates to 3D printing medical equipment. The 3D printing type skull protective cap capable of enhancing protection comprises a protective cap body which is formed in a 3D printing mode and matched with a skull defect part of a patient, and a soft cushion arranged between the edge of the bottom of the protective cap body and the head tissue of the human body. The soft cushion is also formed in a 3D printing mode. According to the protective cap, the soft cushion is additionally arranged below the protective cap body, the stress condition of the contact face with the head soft tissue of the human body can be well improved through the soft cushion, and the installation stability and the protection reliability of the protective cap body are improved. Through the soft cushion, the processing error gap objectively existing between the head soft tissue of the human body and the protective cap main body can be filled, the contact effectiveness between the head soft tissue of the human body and the protective cap main body is ensured, the condition of abnormal stress or stress concentration is improved, and the risk that the protective cap main body is out of position when subjected to external force is reduced.

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.

1. The name of the product of this design: smart helmet. 2. The purpose of this design product: to protect the human head. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention provides a method for testing the wearing stability of an OWS earphone. The method comprises the following steps: step 1, testing the acoustic wearing consistency of the earphone by adopting a simulated human head; 2, real person test big data is adopted for analysis, if a standard simulated human head can represent head features of most people and serve as early-stage objective reference for OWS earphone wearing in initial test, and an initial test result is OK, the next step of real person wearing big data collection test verification is carried out, and if actual measurement is not ideal, research and development need to be subjected to structural optimization until an expected effect is achieved; in the application, the simulation head is used for testing the acoustic wearing consistency of the earphone, and real person test big data is matched for analysis, so that the stability degrees of various appearance designs after wearing can be compared in advance in the initial hand plate stage of OWS earphone design, namely, the optimal ID and structural design are verified in advance, and the reliability of the OWS earphone is improved. The earphone not only can meet ergonomic wearing in the physical aspect, but also can meet the requirement of optimal tone quality.

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.

The invention relates to a human body trunk length determination method and device, electronic equipment and a vehicle, and relates to the technical field of data processing.The method comprises the steps that firstly, human body key point data of a target human body in an in-vehicle image are obtained, and the human body key point data comprise human head key point data; according to the head key point data, judging whether the target human body meets a head missing condition or not; if it is judged that the target human body meets the human head missing condition, determining a corresponding mapping numerical value of the human body key point data in a human body key point neck and hip function, and determining the mapping numerical value as a human body neck and hip length corresponding to the target human body; and correcting the neck and crotch length of the human body according to a preset human body proportion to obtain a human body trunk length corresponding to the target human body. According to the invention, under the condition that the image lacks the head of the human body, the accurate and reliable trunk length of the human body can be obtained by repairing the neck and crotch length of the human body, so that the accuracy of judging the attributes of the human body is improved.

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.

The present invention belongs to the technical field of finite element modeling, and discloses a method for human skull tissue separation and finite element modeling based on complete CT images. The present invention obtains a total loss function value according to the mean square error loss function value and the maximum a posteriori loss function value through a skull CT image denoising processing method, and finally iteratively trains a convolutional neural network based on the calculated total loss function value until the training termination condition is met, outputs the trained skull CT image denoising model, and denoises the skull CT image to be denoised according to the skull CT image denoising model. Therefore, by iteratively training the convolutional neural network in combination with the mean square error loss function value and the maximum a posteriori loss function value, the effect of removing real noise can be greatly improved; at the same time, an accurate skull three-dimensional model can be constructed by constructing a skull three-dimensional model method.

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 relates to a lying posture determination method and device, electronic equipment, a storage medium and a vehicle. The method comprises the steps that it is determined that a target human body is included in a target front-row seat of the vehicle; determining that a target human body is in a lying posture when it is determined that an effective head domain in a target to-be-recognized image comprises a target human head circumscribed frame and it is determined that a human body circumscribed frame matched with the target human head circumscribed frame is not recognized in an effective human body domain in the target to-be-recognized image; the target to-be-recognized image is an image, shot by a rear camera, of the internal environment of the cabin, and the effective head region is a movable region of the head of a front-row human body in a rear-row region when the front-row human body in the target front-row seat is in a lying posture; the effective human body area is a movable area of the rear-row human body when the head of the rear-row human body is located in the effective head area.