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Research of Real-Time Terrain Rendering Detail Enhancement Algorithm

Browsing multi-resolution LOD terrain, when the viewpoint is very close to the terrain, reaching to the highest resolution, the terrain cannot continue to refine, which will affect the continuity of browsing and visual effects. To solve this problem, based on the application of Chunked LOD, taking RSG as process units, the paper propose an improvement of real-time detail enhancement, with combining and improving Kobbelt subdivision algorithm and fractal technology. The improvement can add rich photorealistic high-resolution grid, and avoid the computational load caused by excessive detail enhancement. Experimental results show this method is effective in increasing details in real-time and meet the needs of realistic visual effects on a continuous basis to keep the frame rate.