57 results about "Right cheek" patented technology

The invention discloses a tooth jaw orthotic device which comprises a first positioner, a second positioner and at least two elastic pieces. The first positioner is detachably mounted on a dental arch of an upper jaw of an oral cavity and is provided with at least two first connecting parts which are fixed on a left cheek side face and a right cheek side face of the first positioner respectively. The second positioner is a detachably mounted on a dental arch of a lower jaw of the oral cavity and is provided with at least two second connecting parts which are fixed on a left cheek side face and a right cheek side face of the second positioner respectively. The elastic pieces are respectively connected with the first positioner and the second positioner which are fixed at the dental arch of the upper jaw and the dental arch of the lower jaw respectively, to be used for driving the second positioner to move relative to the first positioner, so as to adjust a relative position between a lower jaw bone of the second positioner and an upper jaw bone of the first positioner.

The invention discloses a method for detecting the quality of a human face image, pertaining to the technical field of image processing. The method comprises the steps of: conducting LBP processing on an original human face image to obtain an LBP image (P); evaluating the symmetry of P according to a histogram of left cheek and right cheek in the LBP (P); conducting LBP backward processing on the LBP (P) to obtain a reconstructed image R; evaluating the illumination intensity and contrast ratio of P according to P and R; and evaluating the definition of P according to P and through the gradient of an image. The four evaluation methods can be used independently and can give computation weight to individual weight thereof and can also be used simultaneously. The method can be applied to detecting the quality of acquired images in image processing, and has the advantages of totally ignoring the influence of illumination and fully expressing the posture change, illumination intensity and contrast ratio of the human face.

The invention relates to an image processing method, in particular to a detecting and classifying method of facial-form contours. The invention aims at solving the problems in the prior art that the accurate facial-form contour can not detected and the techniques can not be really applied to the facial-form classification. The invention provides the technical proposal that: the step 1, the human face is positioned; the step 2, the facial contour is detected: an egg-shaped face is set into a vector closed and symmetrical curve Lm that consists of one or a plurality of points, and then, the forehead height, the chin height, the abscissa position that keeps to the sides of the left cheek and the right cheek extremely and the gill shape are modified; the step 3, the facial forms are classified. The invention can provide the effective and automatic image processing measures for a plurality of industries such as image design, facial make-up, hairdressing, jewelry, face-painting, entertainment, and the like, and provides the automated and objective technical support for a plurality of applied industries.

A protective face mask system according to the present invention comprises a flexible mask body including an opening for receiving a lens, nose portion, a central portion positioned to the rear of and extending at least partially above the nose portion, a central receiving slot located between the nose portion and the central portion, right and left temple portions, each temple portion having a shaped receiving opening therethrough, left and right cheek portions, and at least one groove located adjacent one of the left and right cheek portions. A lens is provided sized to be received upon and cover the lens opening. The lens includes right and left temple portions including openings therein positioned to correspond to and align with the openings of the mask body when the lens is positioned for attachment to the mask body. The lens including at least a portion that snappingly engages the groove when a portion of the lens is inserted into the slot.

Herein described is an adjustable protective panel for the face, attachable to the left and right shafts of any eyewear. Said adjustable panels are shaped to shield across the left and right cheeks of the wearer. Such said adjustable panels attach to the left and right support shafts of typical eyewear. The panel may have from a pair to pluralities of fasteners to attach to the shaft of eyewear and fastening mechanisms may be varied.

The surgical saw according to the present invention comprises an arm fixed by mounting the rear end portion thereof in a jaw of a handle; and a double saw blade part connected with the front end portion of the arm and having two saw blades arranged side by side in a certain distance. In case that the surgical saw is used in surgeries for cutting off cheek bones, the surgical saw can precisely cut off portions of the cheek bones in a width set in advance by precisely cutting off two positions of the cheek bones in a precise cutting-off length at the same time so that the portions of cheek bones can be conveniently cut off, the periods of time for surgeries can be reduced, and an occurrence frequency of surgery aftereffects due to different cutting-off widths for the left and right cheek bones can be reduced.

The invention relates to a driver fatigue detection method fusing facial features and image pulse heart rate estimation. The method comprises the following steps: 1) carrying out data initialization on a driver; 2) carrying out face detection on the driver by a video acquisition module, and acquiring and sending a current facial feature image; 3) utilizing the pre-training model to position the face; 4) processing the current facial feature image after positioning, calculating a current eye closing time ratio by adopting a PERCLOS algorithm, and calculating a current yawing frequency by adopting a yawing detection algorithm; 5) calculating heart rate difference values of current left and right cheek heart rates P1 and P2 by adopting an IPPG technology; 6) judging whether the driver is tired by using a fuzzy neural network system, 7) monitoring whether the video acquisition module does not detect the face time t>20 minutes, if so, repeating the step 1) when the face is detected next time, and if not, continuously sending out fatigue early warning.

A face imaging device capable of imaging a face from plural directions under the same imaging condition, capable of illuminating the face at uniform brightness and capable of obtaining a clear image without causing halation in the image. A face imaging device has an illumination light source (L) provided in a housing (2) in the front of which an opening (6) for inserting a face (3) as the imaging object is formed; a light diffusion plate (7) for diffusing illumination light to illuminate the front side of the face (3) and provided between the opening and the illumination light source (L); an imaging camera (4) provided behind the light diffusion plate (7); a head section supporting member (9) whose position is adjustable in forward-backward and left-right directions and against which a head top side non-observation region of the face (3) is pressed to restrict the position of a head section; a chin placement base (10) for restricting the position of the chin depending on an imaging direction such that the front of the face (3) and left and right cheeks face straight toward the imaging camera (4); and a light shielding body (15) between the illumination light (L) and the imaging camera (4).

A sealing interface includes an inner cushion and an outer sheath. The outer sheath substantially seals against the facial contours of the user. The inner cushion and the outer sheath each have a nasal bridge region, left and right cheek regions and either one of an upper lip region or a chin region. In use these regions are aligned with the corresponding nasal bridge region, left and right cheek regions and either the upper lip region or the chin region of a user. The inner cushion includes a hinged region. The hinged region is adapted to flex substantially independently of the inner cushion cheek regions.

An inductive breathing mask is provided, which comprises a covering shell, a mask pad, and a pressure inductive unit, wherein the pressure inductive unit comprising at least one pressure inductive part, and the pressure inductive part is disposed on the mask pad where corresponds to at least one of the user's nasion, left cheek beside nose, right cheek beside nose, and chin for detecting the pressure of the user's nasion, left cheek beside nose, right cheek beside nose, and chin generated by the mask pad. In addition, the inductive breathing mask of the present invention may further be integrated with other functional elements for constructing a respiratory care system having warning and / or monitoring functions.

A head-mounted display device including a body, a strap, two first elastic parts, two second elastic parts, two first soft pads and two second soft pads is provided. The body is corresponded to an eye of the user. The strap is connected to the body and adapted to surround a head of a user. The two first elastic parts and the two second elastic parts are disposed on the strap or the body. The two first soft pads are disposed on these first elastic parts. These first soft pads are respectively configured to lean against the left cheek bone of the user and the right cheek bone of the user. The two second soft pads are disposed on these second elastic parts. These second soft pads are respectively configured to lean against the section between the left first soft pad and the left ear of the user and the section between the right first soft pad and the right ear of the user.

The animal halter comprises a nose band sized to encircle the nose of the animal. The band has a top that aligns with the bridge of the nose of the animal, a bottom under the chin of the animal, and a left and right side. The nose band has one or more pressure protrusions. A crown-throat loop has one or more pressure protrusions and an optional brow band. The brow band may also have one or more pressure protrusions. The crown-throat loop has a top that aligns with the poll of the head of the animal, a bottom and a left and right side. A right cheek strap and a left cheek strap connect the sides of the nose band and the crown-throat loop. A chin-throat connecting piece connects the bottoms of the nose band and the crown-throat loop.

The invention belongs to the technical field of medical apparatuses and instruments and particularly relates to a mouth opening trainer. The mouth opening trainer comprises a base, a tooth opening assembly, a propulsion assembly and a cheek supporting assembly. The rear side of the base is provided with a left rail and a right rail; the tooth opening assembly comprises an upper tooth supporting plate, a lower tooth supporting plate, a left rack and a right rack, wherein the left rack and the right rack are arranged in the left rail and the right rail respectively, the upper tooth supporting plate is connected to the right rack, and the lower tooth supporting plate is connected to the left rack; the propulsion assembly includes a screw rod, a handle sleeve with an inner thread in the middleand force transmission rods, the front end of the screw rod penetrates through the base from the portion between the left and right rails, the rear end of the screw rod is in threaded connection withthe interior of the handle sleeve and penetrates through the rear end of the handle sleeve, the screw rod is provided with a gear which is matched with the left rack and the right rack, the handle sleeve is hinged to the force transmission rods, and the other ends of the force transmission rods are hinged to the cheek supporting assembly. The cheek supporting assembly includes a left cheek supporter and a right cheek supporter. Passive training of the cheek part and the upper and lower alveoli is achieved simultaneously through simple operation, the operation strength is controlled in a simple manner, and the mouth opening trainer is safe, convenient and effective.

The invention relates to a detecting method for evaluating the curative effect of nitroglycerin and the similar medicament which treat angina pectoris, and the method comprises utilizing a sampling mop to scrap at least 40-60 times from top to bottom on the left and the right cheeks in the mouth of a measured person, gathering enough cell samples, extracting genome DNA, detecting the variation of mitochondria acetaldehyde dehydrogenase gene ALDH2 Glu504Lys, and evaluating the curative effect of nitroglycerin and the similar medicament which treat angina pectoris through detecting and analyzing the Glu504Lys site genotype on an individual ALDH2 gene. The invention has the advantages that the detecting method can be used to evaluate the validity of nitroglycerin and the similar medicament which treat angina pectoris.

The present invention relates to methods and devices for positioning a patient's head prior to radiographic analysis for orthodontic and dental applications. According to certain embodiments of the invention, such methods comprise disposing a device in the patient's mouth and having the patient bite down on the device. The device used in such methods includes a planar radiolucent material having a mouthpiece in the center portion thereof, which is adjacent to a first concave contour that approximates the patient's left cheek and a second concave contour that approximates the patient's right cheek. The device used in such methods further comprises an outer horizontal edge that extends outwards from the patient's mouth, which is aligned with the patient's occlusal plane. According to certain embodiments, such methods further comprise taking measurements for dental or orthodontic applications relative to the patient's occlusal plane.

The present invention provides a mask type auxiliary device for detecting skin texture and a detecting method thereof. The probe head of the probe bar of a skin texture testing apparatus extends in and comes into contact with the skin at detected parts through the auxiliary device for detecting the skin texture of people detected. The auxiliary device comprises a mask. A carrier corresponding to the face is arranged on the mask. Holes for exposing the eyes, the noise and the mouth are arranged on the carrier. The peripheries of the holes are provided with zones including the forehead, a zone above the left nervus supraorbitalis, a zone above the right nervus supraorbitalis, the left cheek bone, the right cheek bone, the left cheek, the right cheek, the left masseter inner margin, the right masseter inner margin, the philtrum and the lower jaw. At least one detecting locating hole for the probe head to extend in and carry out detecting operation is arranged in every zone or at least two zones. The mask is covered on the face, the detecting locating holes are located on the skin in preset detecting positions, and the face skin preset to be detected can be exposed through the detecting locating holes. The data about the skin exposed through the detecting locating holes is read by the probe head.

The invention discloses an effective heart rate measuring system capable of resisting natural motion of the head. The effective heart rate measuring system comprises two processing units, wherein a first unit is used for obtaining stable ROIs, a photographic lens is opened, real-time images are converged, the system can automatically detect and trace human faces and face feature points, and afterthe human faces are detected, a search frame is narrowed according to a human face golden ratio so as to increase the tracing speed; and the positions of regions of interest ROIs are respectively designed on foreheads, right cheeks and left cheeks, the pose (pose) of head motion is judged through the face feature points, accordingly the appropriate ROI is automatically selected, and through motionwave filtering, stable ROI signals are obtained. The second unit is used for processing heart rate signals, the ROI signals are firstly preprocessed, green channels are taken out from the ROIs to besubjected to pixel averaging, the average value of each time point is in series connection to form a time sequence signal, then through standardization processing, the influence of ray changes on thequality of the signals is eliminated, main signals are highlighted, and through quick Fourier transformation and bandpass filtering processing, heartbeat data can be calculated.

The invention discloses a skin problem diagnosis method based on deep learning face partitioning. The method comprises the steps that multiple face images are collected, faces are marked according toseven partitions including a forehead area AH, a left orbital area AEL, a right orbital area AER, a nose bridge area AN, a left cheek area ACL, a right cheek area ACR and a jaw area AJ, and a face partition marking data set is formed; a deep learning instance segmentation model is trained on the human face partition annotation data set to enable three deviation functions, namely partition classification cross entropy LCrossEntropy, partition outer frame positioning accuracy function LDetect and partition pixel classification accuracy LMask, to have minimum values; a face region is segmented byusing the trained instance segmentation model, and that a skin problem exists in each partition is determined; a skin problem is diagnosed according to the regional priori knowledge, and a corresponding treatment scheme is given. According to the method, the skin problem diagnosis for human face partitioning is realized, the applicability is good, and an intelligent skin problem partitioning classification diagnosis and treatment scheme is provided on the premise of ensuring the real-time performance.

The surgical saw according to the present invention comprises an arm fixed by mounting the rear end portion thereof in a jaw of a handle; and a double saw blade part connected with the front end portion of the arm and having two saw blades arranged side by side in a certain distance. In case that the surgical saw is used in surgeries for cutting off cheek bones, the surgical saw can precisely cut off portions of the cheek bones in a width set in advance by precisely cutting off two positions of the cheek bones in a precise cutting-off length at the same time so that the portions of cheek bones can be conveniently cut off, the periods of time for surgeries can be reduced, and an occurrence frequency of surgery aftereffects due to different cutting-off widths for the left and right cheek bones can be reduced.

The invention relates to a fixation device for a postoperative retinal detachment position. The fixation device comprises a forehead supporting fixation frame, an adjustable left cheek supporting fixation frame, an adjustable right cheek supporting fixation frame, a base, a sliding track, armrests, sponge cushions and cotton cushion covers. The base made of wood plates is positioned at the lowermost end of the fixation device, the adjustable left cheek supporting fixation frame and the right cheek supporting fixation frame are mounted on the base, the minimum distance from the left cheek supporting fixation frame to the right cheek supporting fixation frame is 4cm, and fastening bolts and the sliding track are arranged at the lower end of the base. The fastening bolts can slide in the track after being loosened, required positions are adjusted according to features of the face of a patient, and then the fastening bolts can be fixed. The semi-arc-shaped forehead supporting fixation frame is arranged above the fronts of the adjustable cheek supporting fixation frames, the sponge cushions and the cotton cushion covers are arranged at the uppermost ends of the semi-arc-shaped forehead supporting fixation frame, and the armrests are arranged on two sides of the semi-arc-shaped forehead supporting fixation frame and are fixed by the aid of screws. The fixation device has the advantages that the fixation device is designed according to the physiological curves of the face of the body of the patient and can be adjusted according to the size of the cheeks of the patient, and pressure on the mouth and the nose of the patient is relieved when the fixation device is used, so that the patient can breath freely, and the comfort of the patient is improved; a fracture position can be assuredly continuously jacked by air, the retina of the patient can be reattached completely, and complications such as increase of intraocular pressure due to the fact that the head of the patient moves and the air moves forwards are prevented.

The invention discloses a sleep apnea syndrome prevention and treatment device which comprises a lower jaw traction and fixation main body and elastic rear girdles connected with the two ends of the lower jaw traction and fixation main body. The lower jaw traction and fixation main body comprises an upper jaw fixation part and a lower jaw support, wherein the upper jaw fixation part comprises a first portion for reining the upper end of the lip and second portions fixed to the two ends of the first portion and used for tightly adhering to the left cheek and the right cheek, the first portion and the second portions are fixed to be a whole, and the two ends of the lower jaw support are simultaneously connected with the two second portions and used for supporting the lower jaw. The sleep apnea syndrome prevention and treatment device further comprises an upper and lower jaw separation mouth-held piece fixedly connected with the lower jaw support. The lower jaw traction and fixation main body formed by the second portions, the first portion and the lower jaw support tracts and fixes the lower jaw and keeps the lower jaw position, and the upper and lower jaw separation mouth-held piece keeps the positions of upper and lower teeth and prevents upwards-lifted lower teeth from being blocked by the upper teeth when the lower jaw is lifted after the lower jaw sags. The sleep apnea syndrome prevention and treatment device can prevent and treat the phenomenon that the lower jaw sags to cause sag of the root of tongue and airway blockage and further prevent snoring.

The invention relates to the technical field of image processing, and discloses a heart rate and respiration rate detection method and a system and a computer storage medium so as to improve robustness. The method comprises the steps: image data set extraction and model training are carried out based on four areas of a forehead, a left cheek, a right cheek and a side face, on one hand, whether the four areas of interest move or not is analyzed, and image noise influenced by facial expressions, actions, postures and the like in the set is eliminated; second, in consideration of the fact that illumination of video collection is uneven and changes globally at low frequency, illumination of a local area can be regarded as a constant, the mean value of grid data is removed, and the local constant value of illumination is also removed, so that a signal data sequence obtained after mean value removal processing can weaken the influence of illumination non-uniformity; and third, the data sequences with high correlation screened out from the regions of interest are summarized into an effective data sequence set, so that the multidimensional and accuracy of the data are further ensured.

The invention relates to the technical field of airway management auxiliary tools, in particular to an auxiliary airway opening ventilation kit with an adjustable mandibular support combined with an oxygen mask. The auxiliary airway opening ventilation kit comprises an arc-shaped extension shell, wherein a right shell and a left shell are respectively arranged on two sides of the arc-shaped extension shell, a right handle cover is arranged on the surface of the right shell, and a left handle cover is arranged on the surface of the left shell; and a right cheek supporting rod is inserted into the surface of the right handle cover, a right cheek supporting plate is arranged at the end of the right cheek supporting rod, the right cheek supporting rod is connected to the surface of a rotating rod base, a guide groove is formed in the surface of the rotating rod base, and an angle limiting rod is inserted into the guide groove. The auxiliary airway opening ventilation kit with an adjustable mandibular support combined with an oxygen mask has the beneficial effects that an artificial airway opening oxygen supply technique is simulated, the possible obstruction state of an airway is continuously improved, the workload of medical staff is relieved, and the risk caused by deflection of the head of a patient is prevented. The auxiliary airway opening ventilation kit with an adjustable mandibular support combined with an oxygen mask is simple in structure and easy to operate.

The invention discloses a method for controlling color changes of a virtual human face. The method comprises the following steps: firstly, acquiring a three-dimensional human face grid model; secondly, establishing a mathematical model for face color changes; thirdly, dividing a human face into a forehead, a left cheek, a right cheek, an apex of nose and a chin to determine an area range controlled by face characteristic points, selecting an area central point with clear face color changes as a characteristic point, dividing area ranges of color changes around the characteristic points, taking faces of different models as reference, and selecting a round shape or an elliptical shape to carry out area superposition; and finally, carrying out calculus of interpolation for parameters between two given frames to generate a parameter value of an intermediate frame. Human face characteristic points defined in MEPG-4 are used, and the action range of each characteristic point is divided, so that the universality of the model is improved; and through changing color values of the characteristic points, color changes of a point in an influence range on the periphery of the point are driven, so that a number sequence model is simplified, and the operation amount is greatly reduced. By adopting an interframe interpolation algorithm, smooth transition of color changes can be realized, and three-dimension of color changes of the virtual human face is improved.

The invention discloses a face image authenticity identification method based on face patch mapping. The face image authenticity identification method comprises the following steps: acquiring face data information, converting a single-frame image sequence from the face data information, performing face detection on the single-frame image sequence, and cutting a face region image; extracting local patches from the face region image, wherein the local patches comprise an eye eyebrow patch, a left cheek patch, a right cheek patch, a nose patch and a mouth lower jaw patch; respectively mapping the local patches to different convolutional layers of a convolutional neural network to obtain feature maps of corresponding positions and sizes; adopting a RoiAlign module to convert the feature maps with different sizes into feature maps with fixed sizes; and training a dichotomy model by using the feature map with the fixed size, and integrating dichotomy judgment results of the local patches by adopting a local voting mode to obtain a face image authenticity identification result.