A 3D virtual wandering system which can simulate the landscape based on Google Earth was developed. With the system, users can not only realize the designed landscape, but also can wander in the virtual landscape. The system can generate KML(Keyhole Markup Language) file which can be visualized on Google Earth. By using billboard technique, it can express the trees with small data. With the system, it realized models of a real garden and organized some users to test the walk-through simulation. The results and the feedback of the users show that the system has the good performance and the potential of our system.

Current texture synthesis algorithms can neither preserve the integrity of the salient object, nor keep the same distribution of the salient object in the synthesized textures as that in the source texture. A novel layered texture synthesis algorithm was proposed. Firstly, the salient objects were extracted by adopting the normalized cut image segmentation method. Then an image imprinting algorithm was applied to fill the holes caused by salient object extraction in the background to generate a completed background sample, with which we can synthesis the full background image of the target texture. The experimental result shows that this algorithm can not only get the distribution of the salient object in the synthesized textures but also preserve the integrity of the salient object.