31 results about "Human Modelling" patented technology

The invention discloses an evolutionary algorithm for surface fitting in human body modeling, belonging to the technical field of computer application. Based on a principle of being a burgeoning searching optimizing technology, the evolutionary algorithm has the beneficial effect of providing a general framework for solving complicated systems. According to the invention, B spline surface fitting based on the evolutionary algorithm is applied to the human body modeling; a curve boundary line is determined first by the B spline surface fitting method of the evolutionary algorithm so as to obtain a basal plane; surface control points are obtained through reverse engineering according to the basis principle of the surface fitting; and then optimization selection is carried out on the judgment on the fitness of the control points according to the evolutionary algorithm, so that the surface fitting in the human body modeling is realized finally. According to the invention, the calculation speed and efficiency are improved by virtue of the robustness of the evolutionary algorithm, the solving process is simplified, errors generated in the fitting process are reduced, and further the advantages of the evolutionary algorithm is proved.

The invention provides a human body modeling technique conforming to a customized human body size and is applied to the field of three-dimensional test systems and computer-aided design garments. The method mainly comprises three steps of 1, extracting 26 human body measurement dimensions from an instance model to form a dimension set, performing statistical analysis of the relationship between the dimensions, and dividing the instance model into 16 rigid parts; and 2, performing block analysis of statistical information of human body shapes, wherein the linear regression method is used in the statistical analysis of the mapping relation between the human body shape to the dimension data and a new method for accurately generating a customized model is used, and leaning the linear mapping relation between the local deformation parameter and the semantic parameter of each human body part; and 3, performing human body modeling according to an input dimension, and finely tuning an initial model to enable it to conform to the input dimension parameter after a new human body model is obtained. The method can accurately generate a customized human body model for virtual fitting with less distortion.

The invention discloses a network fitting system. The system is characterized by comprising the steps that a purchaser logs in the fitting system via a terminal; size information of the purchaser is added to a human body size chart and can be stored in a customized manner; a human body model can be established in a human body modeling method according to the input size information; the human body model is finally obtained via correction and rendering by virtual technology; clothes selected by the purchaser is tried on the human body model; the clothes is ordered if the size of the clothes is consistent to the size of the purchaser; and otherwise, the purchaser can check whether a manufacturer of the clothes provides customized service, or the purchaser can choose a bigger or smaller size for fitting again, and the clothes is ordered until the purchaser is satisfied with the clothes. The system can simulate practical fitting effect of the purchaser, effectively helps the purchaser in selecting a suitable clothes, and reduces occurrence of returning and exchanging.

The invention discloses a virtual fitting method. The method comprises the following steps: making a three-dimensional model of a garment according to a two-dimensional image of the garment; fitting the three-dimensional clothing model to the three-dimensional standard human body model; obtaining a two-dimensional image of a target human body; inputting the obtained three-dimensional human body parameters into a standard human body model for fitting; matching the clothing three-dimensional model to the three-dimensional human body model; and the three-dimensional human body model is basically consistent with the target human body posture. The invention provides a method for obtaining accurate human body three-dimensional model parameters by analyzing a whole human body photo through a deep neural network, and human body modeling can be quickly performed only by one common photo; meanwhile, the three-dimensional garment model is obtained by processing the two-dimensional garment picture in advance, the user does not need to participate in the background work and only needs to select the garment style which the user wants to virtually try on, the system can automatically match the corresponding garment model, and the authenticity and the reduction degree are kept through a series of methods.

The invention discloses an exoskeleton function detection system. The exoskeleton function detection system comprises a sky rail suspension module, a plantar pressure detection and analysis module, athree-dimensional motion capture module, a multi-physiological-parameter monitoring module and a human body modeling and simulation module. The human body modeling simulation module performs modelinganalysis according to data obtained by the pressure analysis module, the three-dimensional motion capture module and the multi-physiological-parameter monitoring module to obtain kinematics, dynamicsand physiology data of the exoskeleton. According to the exoskeleton function detection system, the human body modeling simulation module performs the modeling analysis by combining the obtained gaitanalysis data, the motion and motion trail of the whole exoskeleton and the physiological parameter data of the human body wearing exoskeleton; the kinematics, dynamics and physiology data of the exoskeleton can be obtained, the performance of the exoskeleton can be comprehensively detected through various data analyses, and therefore data support can be provided for formulating schemes of optimaldesign and complete functions of the exoskeleton.

The embodiment of the invention provides a three-dimensional human body modeling method and device, electronic equipment and a storage medium. The method comprises the steps: determining a point clouddata frame sequence to be modeled; determining a point cloud data frame sequence to be modeled; determining a nearest point pair between point cloud data of each pair of adjacent frames in the pointcloud data frame sequence; taking the minimum sum of distance errors of all nearest point pairs in the point cloud data frame sequence as a target, and adjusting all the nearest point pairs to obtainregistered point cloud data; and establishing a three-dimensional human body model based on the registration point cloud data. According to the method and device, the electronic equipment and the storage medium provided by the embodiment of the invention, global registration is carried out on the point cloud data frame sequence, so that accumulated errors between the point cloud data are reduced,tight closing between the initial frame and the end frame of the point cloud data is achieved, and the modeling precision of a three-dimensional human body model is improved.

The invention discloses a safety control software system of an intelligent collaborative robot. The safety control software system of the intelligent collaborative robot comprises a sensor system anda robot motion control system; the sensor system collects real-time position information of a human body and the robot in real time and sends the information to the motion control system; a sensor information fusion function package of the motion control system carries out real-time human body modeling, a robot real-time model is established according to the joint position of the robot, a "collision" detection function package carries out "collision" detection according to real-time human body expansion model data and a robot real-time state model, when it is detected that a person is outsidea working space, the system adopts an autonomous motion mode; when the person enters the working space, a safe motion mode is adopted, and a motion planning function package carries out real-time planning, so that an operator is avoided while existing task execution is guaranteed; and when "collision" cannot be avoided, the robot enters a shutdown waiting mode, and the robot continues to execute the original task after the person evacuates. According to a method of realizing the safety control software system of the intelligent collaborative robot, the safety of personnel can be ensured afterthe personnel intentionally or unintentionally enter the working space of the robot.

The invention discloses an aircraft assembly path optimization method based on human body biological characteristics, and belongs to the technical field of aircraft assembly. The optimization method comprises the following steps: establishing an assembly model; constructing a virtual human body model; establishing a fuzzy comprehensive evaluation model based on the time task based on a fuzzy comprehensive evaluation algorithm; establishing a state balance equation according to the overall stress condition of the assembly worker; carrying out dynamic modeling on upper limbs of aircraft assemblers; carrying out dynamic modeling on the lower limbs of aircraft assemblers; and integrating the models to obtain an optimized assembly path. On the basis of aircraft digital assembly, the postures ofworkers, human body biological characteristics and the like in the assembly process are studied and analyzed through virtual human body modeling, the aircraft assembly path is optimized, and the purposes of improving the aircraft assembly efficiency and protecting the health of the workers are achieved.

The invention discloses a human body three-dimensional modeling system based on a hand-drawn sketch, and the system comprises an input sketch module which is used for obtaining a sketch image inputtedby a user; a deformation-based human body model generation module which is used for extracting morphological characteristics from the sketch image through a neural network and deforming the human body standard template model based on the target morphological characteristics to obtain a deformed human body three-dimensional model; and a parameterized model optimization module which is used for predicting human body posture parameters and human body shape parameters according to the deformed human body three-dimensional model and the human body standard template model so as to optimize the deformed human body three-dimensional model. According to the system, the high-quality human body three-dimensional model of the corresponding posture can be obtained through simple lines edited by a useror drawn by hand, high-precision and complex sketch input is not needed, and the system can be widely applied to various human body modeling software.

The invention belongs to the technical field of human body posture correction, and particularly relates to a posture correction system and method based on human body posture recognition. Aiming at solving the problem that defects exist in online search video follow-up training or face-to-face training, the posture correction system comprises a human body modeling unit, a posture analysis unit, a training unit and a supervision unit, the human body modeling unit is used for scanning and modeling postures, the posture analysis unit is used for analyzing scanned posture modeling, the training unit is used for training and correcting postures of a user, the monitoring unit is used for reminding and monitoring daily sitting postures, walking postures, training arrangement and the like of the user, the human body modeling unit is connected with the posture analysis unit, the posture analysis unit is connected with the training unit, and the training unit is connected with the human body modeling unit and the supervision unit. The system and the method provided by the invention have good robustness, and can provide professional virtual private tutoring by accurately identifying own conditions without limitation of time and places.