Real-time And Photorealistic Rendering Of 3D Face Model In AR

Augmentation Reality(AR)is an emerging technology that is increasingly concerned by the world,and is the product of a variety of technologies including computer graphics rendering technology integration.How to quickly render a more realistic three-dimensional scene is a hot topic in the field of computer graphics.In the real scene,the complexity of the environment,diversity makes the rendering of the three-dimensional scene display effect is not efficient or true.The purpose of this paper is based on the camera to capture the two-dimensional information frame,the establishment of a virtual high realism three-dimensional scene,and to improve the realism of the actual situation and achieve the effect of enhancing the reality.The main difficulty of the experiment is how to use the camera to capture the twodimensional information of the frame,real-time superimposed three-dimensional model,and how to simulate the real environment in the virtual three-dimensional scene properties,to build a highly realistic three-dimensional scene.The work of this paper revolves around the above difficulties,and is divided into two parts to analyze and study:Firstly,based on the modeling method of three-dimensional scene in the augment reality,this paper proposes a method to simulate the three-dimensional objects in the real world with transparent and non-transparent material components.This method uses the 3ds Max modeling tool to decompose the 3D model according to different materials,which can guarantee the late Different material models are processed into different rendering effects,and then analyze the three-dimensional scene in the camera attitude assessment technology for the three-dimensional scene rendering do the preparatory work.Secondly,in this paper,the 3D face model is used to simulate the face in the real scene,and the model position is transformed with the human face attitude transformation.The method of 3D face model is used to simulate the real face and the 3D model occlusion.,While ensuring that the model replaces the real face to block the "superimposed" other 3D models on the real face.Analysis and implementation of the simulation of the real environment of the light or shadow effect,as the more realistic scene,the more complex the calculation of the scene,the application of light algorithm to ensure the rendering efficiency and realism of the balance,and give the corresponding experimental results and analysis.And then based on different rendering tools to achieve real-time rendering results,and give experimental data and analysis.In this paper,Vulkan is used to load the 3D model data to evaluate the face posture,simulate the illumination of the real environment,and render the three-dimensional scene based on the 3D face in the reality.The display of the scene is closer to the real,and the real-effect.