275 results about "Facial contour" patented technology

A patient interface is described which is reduces the pressure of the mask on the users face. The patient interface has a sealing interface having an inner sealing member and an outer sealing member. The inner and outer sealing members are adapted to seal around the facial contours of a user providing a sealed fluid communication to the user's respiratory tract. The inner and outer sealing members are at least continuously in contact with each other around the portions where the sealing interface contacts the user's facial contours. The inner sealing member may be provided with cut outs to provide additional flexibility to particular areas, such as the nasal bridge, upper lip or cheek regions and may be provided with a contoured edge to better fit the facial contours of a user.

The breathing assistance apparatus has a patient interface with a body section adapted to cover the nose, or nose and mouth of the patient. The apparatus includes a sealing interface, including at least an outer sealing member. The outer sealing member has a periphery that is attached to the body section in a sealing manner. The periphery is substantially rigid compared to the remainder of the outer sealing member. The outer sealing member is adapted to substantially seal around the facial contours of the patient to provide a sealed fluid communication to the respiratory tract of the patient. The sealing interface may also include an inner sealing member.

The invention discloses a face image relighting method, which comprises the steps of: performing face recognition on a two-dimensional face image, and acquiring two-dimensional feature points; performing face three-dimensional reconstruction according to the two-dimensional feature points and three-dimensional face model data, and generating a three-dimensional grid of a three-dimensional face image; carrying out local illumination rendering on the three-dimensional grid according to the illumination rendering parameters and a pre-established illumination model, and generating a first two-dimensional face illumination mapping graph; and performing skin color detection on the two-dimensional face image, and acquiring a two-dimensional face image skin color probability value; performing non-skin-color region protection on the first two-dimensional face illumination mapping graph according to the skin color probability value, so as to obtain a second two-dimensional face illumination mapping graph; carrying out edge extension on a facial contour of the second two-dimensional face illumination mapping graph, so as to obtain a third two-dimensional face illumination mapping graph; and subjecting the third two-dimensional face illumination mapping graph and the two-dimensional face image to relighting fusion, and generating a lighting result map. The face image relighting method provided by the invention is simple, feasible, fast and efficient, and is high in user controllability.

The invention provides a fully-automatic face seamless synthesis-based video synthesis method. With the fully-automatic face seamless synthesis-based video synthesis method adopted, insufficient real-time property in high-definition video processing of a face detection algorithm in the prior art can be solved. The fully-automatic face seamless synthesis-based video synthesis method of the invention comprises the following steps that: a video communication application provided by an intelligent television terminal is utilized to perform video connection; an image or video file which is locally arranged or arranged in a cloud server is adopted as a background (BG) to be synthesized; face detection is respectively performed on data foreground (FG) and background (BG) data which are acquired by a camera through using the face detection algorithm, and geometric transformation coefficients are calculated through face internal key point positioning and facial contour lines or a face minimum bonding rectangle frame; and accurate registration from the foreground (FG) to the background (BG), and face region data synthesis can be accomplished. With the fully-automatic face seamless synthesis-based video synthesis method of the invention adopted, the face image of a user can be conveniently synthesized into any existing images or videos in the process of video communication, and therefore, a sense of science and technology and interestingness can be added in the video communication, and fully-automatic seamless face synthesis of non-specific people can be realized.

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.

The invention discloses an ion beam figuring processing method for aspheric surface processing, comprising the following steps of: firstly, detecting and testing to acquire a facial-contour error distribution data R and a removal function P; then, establishing an ion beam figuring processing path, and measuring and calculating incident angles phi of various points of an optical curved surface; calculating a resident time density function and a material removal amount M by using a calculation model and a resident time iterative algorithm, and calculating the resident times of ion beams in all processing points; carrying out linear triaxial-linkage numerical-control figuring processing on the optical surface of an optical element to be processed according to the established processing path and the resident time; then, carrying out facial-contour error detection, correcting the P according to the M and the facial-contour error distribution data before and after the processing, repeating the previous steps by using the corrected removal function P for iterative processing, and ending the processing till the requirement for facial-contour convergence precision is met. The processing method provided by the invention has the advantages of good stability, high processing precision, strong controllability and low requirement for equipment.

A mask with a three-dimensional structure provides a one-piece structure with an upper portion, the middle portion, and a lower portion. A molded notch is located at both nasal bridge of the upper portion and chin of the lower portion. The upper portion and lower portion are reversely folded so as to form a pleat for supporting the middle portion as a three-dimensional structure mask. The three-dimensional structure mask meets the facial configuration design for accommodating to different facial shapes. Furthermore, the mask with a three-dimensional structure has a normal range of elasticity to conform to certain facial contours, therefore, decreases leakage occurrence, and increases filtration rate in a high pollution environment. More, the upper portion and the lower portion of the mask are folded in a reverse direction for avoiding a contacting pollution from touching the inner surface.

A doll head is disclosed having a magnetically adjustable facial contour, along with a method for assembling same. In one embodiment, the doll head includes a face mask support on which is mounted an elastically deformable face mask. Movable adjustment mechanisms and associated motors and power supplies for moving the adjustment mechanisms are disposed in the face mask support. Each adjustment mechanism generates an applied magnetic field. First magnets are affixed to an inner surface of the face mask, and second magnets in magnetic communication with the first magnets are slidably disposed on an exterior surface of the face mask support. The adjustment mechanisms selectively apply magnetic fields that slidably adjust position of the second magnets. As position of the second magnets slidably adjust, the first magnets move to a like extent. As the first magnets move, contour of the face mask adjusts to change expression of the doll head.

Provided are an image processing method and device, the method comprising: acquiring a two-dimensional target facial image; receiving an identification curve marked by a user in the target facial image, the identification curve being used to indicate the contour of a face in the target facial image; based on the identification curve, positioning the facial contour curve of the face in the target facial image by utilizing an image segmentation technology; determining the three-dimensional attitude and feature point positions of the face in the target facial image; and according to the facial contour curve, three-dimensional posture and feature point positions of the face in the target facial image, constructing a three-dimensional shape of the face in the target facial image by utilizing a preset empirical model of the three-dimensional shape of the face and a target function matching the empirical model of the three-dimensional shape of the face. The method and device reduce the complexity in constructing a three-dimensional shape of the face.

The invention relates to a classifying and processing method based on an active shape model and a K nearest neighbor algorithm for facial forms of human faces; the method comprises the following steps of: (1) a sample database in the K nearest neighbor algorithm is established; (2) a user uploads images to be measured to a server through a network multi-media terminal, and the server extracts characteristic points of the human faces from the image to be measured by adopting an ASM (Automated Storage Management) algorithm and determines facial contours by selecting the characteristic points of the faces and lower jaws; (3) the server carries out normalization processing on point sets of the images to be measured according to a sample normalization method and integrates the point sets of the images to be measured and point sets of samples in a coordinate system; (4) the server classifies the images to be measured based on the Hausdorff distance and the K nearest neighbor algorithm to obtain a classifying result; and (5) the server automatically sends the classifying result to a network multi-medium terminal; and the network multi-medium terminal displays the classifying result. Compared with the prior art, the classifying and processing method has the advantages of high recognition rate, fast speed, easy implementation and the like.

The invention belongs to the technical field of optical detection, and particularly relates to a wide-range high-precision facial contour detection device and a detection method of the wide-range high-precision facial contour detection device. The problems of 2 pi blur and leading of non-linear errors occur in the prior art, and in order to solve the problems in the prior art, the wide-range high-precision facial contour detection device is characterized by comprising a laser light source, a bean expanding mirror, a collimating lens, a spectroscope, a standard reference mirror, a charge coupled device (CCD) camera, an image collecting system and a computer. The laser light source is a frequency conversion laser capable of frequency conversion. The wide-range high-precision facial contour detection device is simple, high in reliability and large in measuring range.

The invention provides a method for allowing a user to look over the virtual face of the opposite side in mobile phone communication. The method includes the steps that firstly, a database based on a virtual face model with a facial contour is established, five sense organ facial expression coordinate values acquired by processing a digital image which is shot by a camera in real time in the communication process are imported into the virtual face model with the facial contour for synthesizing the virtual face, the virtual face is sent to the opposite side in real time with the help of a mobile communication network, and therefore the goal that the user can look over the facial expression change of the opposite side while communicating with the opposite side is achieved. Compared with an existing 3G network video communication method, the method for allowing the user to look over the virtual face of the opposite side in mobile phone communication has the advantages of being low in cost and high in running speed.

The invention discloses an intelligent classroom student management method. The method comprises the steps of capturing the face information of a student through a camera, arranging a resonance imaging diode around the camera, enabling the camera to emit the invisible infrared rays with different wavelengths, carrying out the face optical recognition on the student by capturing the intensity of the reflected light caused by face blood flow of the student, and obtaining the physiological information of the student; capturing the student face information through the camera, determining the eye positions through an eye positioning technology in face recognition, and capturing the blinking actions; judging whether the student is in an attention concentration state or not by detecting the eye opening and closing state of the student, and judging whether the student is in a front view state or not by measuring the proportion of the facial contours or pupils; carrying out the mathematical analysis on the face information, collected by the camera, of the student, and judging the attention concentration state of the student; and displaying the attention concentration state of all students at a teacher control terminal.

An adjusting brushhead includes a base assembly which is removably connectable to an electric skin care appliance. The brushhead also includes an inner brush assembly which oscillates in operation by a drive member with motor action. The brushhead further includes an outer brush assembly which is mounted to the base assembly by mounting elements, permitting the outer brush assembly to move in accordance with facial contours.

A system using an in-vehicle camera mounted on a vehicle for an image pickup object of the face of the driver, for: continuously taking an image of the image pickup object; performing manipulation, such as enlargement of an area including the image pickup object with a reference point being the center, for a second image based on image pickup after a first image, on the basis of the range of the image pickup object detected from the first image, the width of the facial contour of the driver, for example, and also a reference point such as the center of the face to be decided based on the location of the eyes and nose of the driver; and performing image processing, such as detection of the range of the image pickup object and decision of the reference point, for the manipulated second image.