The Framework Of Fresco Sketch Generation And The Copy Tool Of Fresco Sketch

Sketch is an important art painting form, and it also has a pivotal position as“original image” in Dunhuang fresco. The research and copy of sketch has beenstarted at present. However, there are so many difficulties, such as, the large scale andmuch content of fresco, the loss of color and lines, and forbidden of fresco ruins.With the rapid development of computer technology and image processing, wecan automatically generate sketch of fresco, which is meaningful to protect thecultural heritage and provide an opportunity for painters and visitors to enjoy sketch.In addition, in order to compensate for artists and learners, we can develop a copy toolto help them paint rapidly and effectively.Based on the above, we continue to study and optimize the framework of sketchgeneration of fresco, including: main content separation, hierarchical structuresegmentation, lines extraction, missing content replacing and vector optimization.Optimized framework is easier to extract and gain satisfying sketch. Meanwhile, weresearch and implementation the sketch stitching techniques. Besides, we design anddevelop a copy tool from freedom style and guidance style. The main functionincludes the basis painting functions, the sketch extraction and vector optimization infreedom style and the main content separation, sketch extraction, vector optimizationand lines selection in guidance style.Our work has successfully implemented a better framework to gain sketch fromfresco, and it also can provide evidence and ideas for other future research, while thatour copy tool development and implementation also provide an effective paintingcopy tool for painters, and provide a unique exhibition and interactive platform forvisitors.