3.2 Rendering Techniques of Chinese Ink Landscape Painting

The above texture synthesis algorithms are all output images with regular contours, which are just the preparation stage of digital ink landscape painting simulation. If these textures and stone models are directly used for texture mapping, only ordinary mountain and stone textures can be produced, and the effect of incisive ink and vivid charm cannot be achieved. Because the shape of the rocks in freehand landscape painting is both imaginary and realistic, it will produce an effect of misty rain and misty sky. The synthetic texturing texture must produce a fusion effect of texture and mountain stone adaptively according to the virtual and real effect of mountain stone. Therefore, we propose to introduce the concept of an alpha mask channel in the synthesis process, thereby realizing the virtual fusion effect of the model inside the irregular stone contour and the texturing texture.