45 results about "Normal face" patented technology

The invention discloses a face occluder identification method. The method comprises the following steps of: acquiring a plurality of images from a video camera system, and determining the region wherein the face is positioned in each image of the plurality of images; counting coordinate values of the central position of each organ and the number of the coordinate values in the plurality of images having the face image region; determining the coordinate value, in accordance with the central position of each organ in a normal face image, of the coordinate values as the position of an organ; and determining the occlusion situation of the position of the organ according to the number of the coordinate values of a certain organ, and determining the abnormal characteristics of the position of each organ in the face image. According to another aspect, the invention also discloses a face occluder identification device. The face occluder identification device is used for acquiring image data from the video camera system to determine the abnormal characteristics of the position of each organ in the face image. By the method and the device, abnormal situations such as an occluder and the like at the positions of main organs of the face can be identified efficiently, and the method and the device are particularly applicable for video systems, needing vigilance and surveillance, of banks, jewelry shop and the like.

The invention discloses a three-dimensional exaggerated face generation method based on a single irony portrait; the method comprises the following steps: obtaining a deformation expression set of a normal face data set through expression face data and template face deformation on the normal face data set; combining a computer interactive mode with a normal face characteristic point detection model so as to extract a characteristic point coordinate set of an input irony portrait; according to a preset corresponding relation between the characteristic point coordinate set and a three-dimensional exaggerated face characteristic point coordinate set, combining a three-dimension to two-dimension projection process, and using characteristic points and deformation expression common constraints to optimize a three-dimensional exaggerated face complying with the image characteristic point information and having face properties. The method can prevent a tedious three-dimensional exaggerated face data set creating process; assisted by a new face expression, the method can effectively obtain a three-dimensional exaggerated face model only through a few characteristic point corrections.

The embodiment of the invention discloses an expression transformation method and device, electronic equipment and a computer readable medium. A specific embodiment of the method comprises the steps of obtaining a target face image; and inputting the target face image into a preset expression transformation model to obtain an expression transformation image. The expression transformation model carries out expression transformation on the target face image, thereby achieving different expression transformation effects. For example, smiling face special effect transformation (normal face imagesare transformed into corresponding smiling face special effect images) can be carried out. Besides, the locally processed face image set displaying the preset expression is used for training, so thatthe effect of additional special effects can be achieved on the basis of expression transformation image transformation.

The invention provides a method for detecting a distance between a human face and a camera based on image acquisition. The method includes acquiring a normal face image of a primitive human face positioned at a preset first axial distance and a preset second axial distance through a monocular camera, acquiring a first average pixel value and a second average pixel value corresponding to an human eye pupil distance in the normal face image, calculating an original mapping relationship between the human eye pupil distance and the human face distance according to the preset first axial distance,the preset second axial distance, the first average pixel value and the second average pixel value, acquiring the human face image to be detected by the monocular camera, and carrying out image processing on the human face image to obtain the eye pupil distance to be detected; and calculating the distance of the human face to be detected according to the original mapping relationship and the humaneye pupil distance to be detected. According to the method for detecting the distance between the human face and the camera based on image acquisition, the original mapping relationship between the human eye pupil distance and the human face distance is obtained, the distance between the human face to be detected is obtained according to the eye pupil distance to be detected and the original mapping relationship, and a distance measuring sensor is not needed in the whole process.

The invention discloses an autism spectrum disorder face screening method based on machine learning, and the method specifically comprises the following steps: obtaining a plurality of groups of facesample images which comprise a normal face image and an ASD face image; preprocessing the plurality of groups of face sample images; and inputting the preprocessed face sample image into a pre-constructed convolutional neural network model for training and testing to obtain an ASD face screening model. According to the method, the ASD face features are extracted by using the convolutional neural network, so that rapid recognition of the autism spectrum disorder image is realized, and compared with manual recognition, the image recognition accuracy is greatly improved.

The invention discloses a flanging die. The flanging die comprises an upper die base, a lower die base, a flanging male die mounted at the bottom of the upper die base and flanging female dies mounted on the lower die base. The inner side faces of the flanging female dies are molding surfaces. The top end of each molding surface is provided with a molding rod. The molding rods are transversely inlaid in the molding surfaces correspondingly and can rotate on the corresponding molding surfaces. The opposite sides of the two molding rods are provided with rolling surfaces protruding out of the respective molding surfaces. The rolling surfaces are matched with the flanging male die to conduct flanging on blanks. According to the scheme, the rolling surfaces are used for replacing flanging female dies and are matched with the flanging male die to conduct flanging on parts. Linear contact molding (common surface contact) is avoided by adopting the rolling surfaces in the flanging process, so that flanged surfaces are more smooth, and the flanging molding effect is good.

The invention discloses a forged face change enhancement detection method based on head posture deviation correction. The method comprises the following steps: acquiring a normal face image and a forged face image and extracting key points; for the forged face image, combining with the head three-dimensional model, carrying out re-projection on the key points to obtain re-projected key points, correcting the projected key points, and according to the extracted initial key points and the corrected key points, carrying out distortion on the forged face image based on a least moving square algorithm to obtain an enhanced forged face image; taking the normal face image and the enhanced counterfeit face image as samples, performing head posture evaluation based on key points of the samples to determine a rotation matrix and a translation matrix of the head posture, and taking the rotation matrix and the translation matrix as construction features to optimize counterfeit face change detection model parameters; and performing enhanced detection of fake face change by using the parameter-optimized fake face change detection model. According to the method, the detection capability of a forged face change detection model is enhanced by enhancing a forged sample.

The embodiment of the invention discloses an abnormal face recognition method, an abnormal face recognition device, abnormal face recognition equipment and a storage medium, and the method comprises the steps: obtaining abnormal face data; processing the abnormal face data to obtain training face data, and extracting a first face feature in the training face data; obtaining recognized face data, and obtaining a second face feature in the recognized face data; embedding the second face feature into the first face feature, and constructing a recognition face data set; and training the recognizedface data set to realize abnormal face recognition. According to the embodiment of the invention, data processing is carried out through abnormal face data (abnormal face data), the face features inthe abnormal face data are enhanced, the feature data (recognized face data) of the normal face are embedded into the abnormal face feature data set through the LLE algorithm, deep training and modeloutput of the network are completed, and accurate abnormal face recognition can be achieved.

The invention relates to the technical field of behavior analysis, in particular to a student learning behavior analysis system based on big data, which comprises a server and a monitoring group arranged in a classroom, and is characterized in that the server stores score data of each student in each period, a score difference threshold, normal face information of each student and corresponding identity information; the server is used for identifying the identity of the student according to the picture uploaded by the monitoring group, a face analysis module is used for identifying students ina sleeping state and a distracting state through the facial features of the students, and marking the students with marks of the sleeping students and the distracting students; a post analysis moduleis used for identifying students with poor sitting postures through the postures of the students, and marking the students as students with ill-conditioned sitting postures; a comparison module is used for periodically comparing scores of students and calculating score difference values; and when the score difference value is greater than the score difference threshold, a difference analysis module is used for calculating the difference between each piece of marked data and the previous period, so as to solve the problem that the teacher is limited in energy in class and then the specific reason for rising and falling of the student learning scores is difficult to find, and the method is mainly used for schools.

The invention discloses a living body face detection model training method, which is applied to the technical field of artificial intelligence and is used for solving the technical problem that the prediction precision of a model does not reach the standard when a binary classification model is trained through extremely unbalanced positive and negative samples. The method provided by the invention comprises the following steps: acquiring a face picture sample set carrying a label; inputting a normal face image sample and an abnormal face image sample into a living body face detection model to be trained to obtain an original prediction value; correcting the original predicted value of the abnormal face picture sample to obtain a corrected predicted value; taking the corrected predicted value as a predicted value of the abnormal face picture sample, taking an original predicted value as a predicted value of the normal face picture sample, and training the living body face detection model to be trained according to the category to which the corresponding face picture sample identified in the label actually belongs. When a loss function of the living body face detection model converges, the trained living body face detection model is obtained.

The present invention provides a micromechanical treatment system for facial paralysis, the system comprising: a signal collector embedded in the healthy side for collecting movement signals of the healthy side; a micromachine embedded or partially embedded in the affected side; The terminal processor is used to receive and process the data collected by the signal collector and at the same time issue instructions to the micromachine; the system is aimed at unilateral facial paralysis, and the healthy side facial movement is normal, and the terminal processor monitors the normal facial movement of the healthy side, Send commands to the micromachine to pull the affected side to move, thereby ensuring the normal movement of the affected side.

The invention provides a face mask, and relates to an article for daily life. The face mask comprises a facial towel, wherein hanging racks are arranged at the upper ends of two sides of the facial towel; a convex support is arranged on a position in correspondence to a nose bridge; and ropes are arranged at the lower end of the face mask. The hanging racks, which are similar to spectacle frames, can be hung on ears; by virtue of the convex support, compression on the nose bridge can be relieved; and by virtue of the ropes, the lower end of the facial towel is fixed, so that the face mask, in comparison with a normal face mask, is more comfortable to wear.

The invention relates to a face image recognition method and device, a computer device and a storage medium. The method comprises the steps of using the computer device to firstly obtain a to-be-identified image; adopting a preset image recognition model to carry out face feature recognition on the to-be-recognized image, wherein the image recognition model is a face recognition model obtained bytraining an image with a Yin-Yang face and a normal face image in advance. Therefore, according to the face image recognition method provided by the invention, the recognition accuracy is relatively higher.

The invention is suitable for the field of computer vision, and provides a mask robust face recognition network and method, electronic equipment and a storage medium, the face recognition network comprises a whole image feature extraction network, a feature segmentation module, a first branch network and a second branch network, the whole image feature extraction network is used for extracting shallow whole image features from an input face image, the feature segmentation module is used for performing spatial segmentation on the shallow whole image features according to positions of preset segmentation points to obtain upper and lower shallow features, the first branch network is used for extracting upper half advanced features of upper half shallow features, the upper half advanced features are used for mask face recognition, the second branch network is used for extracting the lower half advanced features of the lower half superficial layer features, the lower half advanced features are used for being spliced with the upper half advanced features, and the spliced full features are used for normal face recognition, so that the robustness of the face recognition network to mask faces is improved.

The invention discloses an intelligent prompt method based on face recognition and a related device, so that intelligent equipment is more humanized, and the user experience is improved. The method comprises the following steps: acquiring a face image of a user through a camera shooting function of intelligent equipment, wherein the face image is a visible light picture containing the face of the user; recognizing the current face state of the user according to the face image; comparing the current face state with a normal face state of the user; if the current face state is not consistent with the normal face state, determining the current emotional state of the user through face feature information data in a pre-created face feature database; and generating corresponding intelligent prompts according to the current emotional state, wherein the intelligent prompts are different intelligent prompts corresponding to different preset face changes.

The invention relates to an electric hot water bottle and a preparation method used for the electric hot water bottle. The electric hot water bottle of the invention comprises an independent software internal sleeve and an external sleeve; liquid is memorized in the internal sleeve; the edge of the internal sleeve is also provided with a first connecting part; the position on the external sleeve corresponding to the first connecting part is provided with a second connecting part which is matched with the first connecting part; the first connecting part and the second connecting part are fixedly connected directly with each other between the internal sleeve and the external sleeve by a fixed part, thus leading the connection of the edge of the internal sleeve and the corresponding external sleeve to be non-splittable structure. The electric hot water bag of the structure adopts an independent software internal sleeve, namely, the internal sleeve is individually formed; furthermore, the edge of the internal sleeve and the external sleeve are fixedly connected with each other by the fixed part in a non-splittable way; therefore, the external sleeve can select normal face fabric cloth as the material and has wide selection range; the preparation cost is reduced, furthermore, the type and pattern of the normal face fabric cloth can be designed as diversity so as to enhance the sense of beauty.