Sketching shiny surfaces: 3D shape extraction and depiction of specular surfaces
ACM Transactions on Applied Perception (TAP)
A Novel Method for Pencil Drawing Generation in Non-Photo-Realistic Rendering
PCM '08 Proceedings of the 9th Pacific Rim Conference on Multimedia: Advances in Multimedia Information Processing
A novel technique for color pencil sketching rendering based texture
ICIC'07 Proceedings of the intelligent computing 3rd international conference on Advanced intelligent computing theories and applications
A texture-based approach for hatching color photographs
ISVC'10 Proceedings of the 6th international conference on Advances in visual computing - Volume Part I
Combining sketch and tone for pencil drawing production
NPAR '12 Proceedings of the Symposium on Non-Photorealistic Animation and Rendering
A Stylized Approach for Pencil Drawing from Photographs
Computer Graphics Forum
Technical Section: Pencil rendering on 3D meshes using convolution
Computers and Graphics
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This paper proposes an extension to the existing automatic pencil drawing generation technique based on Line Integral Convolution (LIC). The original LIC pencil filter utilizes image segmentation and texture direction detection techniques for defining outlines and stroke directions, and the quality of a resulting image depends largely on the result of image segmentation. It may fail to generate a reasonable result when the segmentation result is not consistent with the structure of the input image. To solve this problem, we propose in this paper to avoid the explicit region subdivision. Instead, we divide a source image into layers of successive intensity ranges, generate a stroke image for each layer, and add them together to obtain the final pencil drawing.