A Texture Mapping Compensation Method Using Causal Image

Graphics realism is computer-generated graphics to reflect the realistic of the objective world. Texture mapping technique is an important part of realistic computer graphics, widely used in the interactive design of three-dimensional model and rendering of animation game, it does not take a lot of time to consider the details of the object surface but it is able to product out real sense graphics. The general texture mapping is between the two-dimensional images and three-dimensional model, it is particularly important to determine the corresponding mapping between the coordinates of the three-dimensional surface point and the two-dimensional texture image.The popularity of online picture database makes the texture mapping of causal pictures more and more attention. It may have a largely difference between camera angle of the causal picture and the display angle of model. Local Photogrammetry and constrained parameters solve this problem that texture mapping of causal image. It may occur the texture information missing caused by the large angles’difference..To better achieve the texture mapping using of causal images to the3D model details, a texture compensation method is proposed. The texture mapping method is based on photogrammetry and constrained parameters, using the feature which is the moment of inertia that the symmetry of the rigid body has a minimum in dynamics, finding the symmetry axis of the three-dimensional model. Then, map the texture source image to the model based on photogrammetry mapping relationship, while using the texture information of the symmetry point compensate the texture missing region. The experiments show that, compensate the texture based on the symmetry point, the stretch distortion of the texture missing region has been significantly improved.