Paint by numbers: abstract image representations
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
Imaging vector fields using line integral convolution
SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
Computer-generated pen-and-ink illustration
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
Interactive pen-and-ink illustration
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
Scale-dependent reproduction of pen-and-ink illustrations
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
Painterly rendering for animation
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
Orientable textures for image-based pen-and-ink illustration
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Processing images and video for an impressionist effect
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Painterly rendering with curved brush strokes of multiple sizes
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
Stylized rendering techniques for scalable real-time 3D animation
NPAR '00 Proceedings of the 1st international symposium on Non-photorealistic animation and rendering
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
Fine tone control in hardware hatching
NPAR '02 Proceedings of the 2nd international symposium on Non-photorealistic animation and rendering
Mean Shift: A Robust Approach Toward Feature Space Analysis
IEEE Transactions on Pattern Analysis and Machine Intelligence
A feature-based pencil drawing method
Proceedings of the 1st international conference on Computer graphics and interactive techniques in Australasia and South East Asia
Image and video based painterly animation
Proceedings of the 3rd international symposium on Non-photorealistic animation and rendering
CGIV '04 Proceedings of the International Conference on Computer Graphics, Imaging and Visualization
Colored Pencil Filter with Custom Colors
PG '04 Proceedings of the Computer Graphics and Applications, 12th Pacific Conference
Proceedings of the 4th international symposium on Non-photorealistic animation and rendering
Automatic generation of pencil drawing using LIC
ACM SIGGRAPH 2002 conference abstracts and applications
Creating colored pencil style images by drawing strokes based on boundaries of regions
CGI '05 Proceedings of the Computer Graphics International 2005
Multiple illuminated paper textures for drawing strokes
CGI '05 Proceedings of the Computer Graphics International 2005
IEEE Transactions on Visualization and Computer Graphics
Fluid-based hatching for tone mapping in line illustrations
The Visual Computer: International Journal of Computer Graphics
From image parsing to painterly rendering
ACM Transactions on Graphics (TOG)
Convolution filter based pencil drawing and its implementation on GPU
APPT'07 Proceedings of the 7th international conference on Advanced parallel processing technologies
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We present a texture-based approach that hatches color photographs. We use a Delaunay triangulation to create a mesh of triangles with sizes that reflect the structure of an input image. At each vertex of this triangulation, the flow of the image is analyzed and a hatching texture is then created with the same alignment, based on real pencil strokes. This texture is given a modified version of a color sampled from the image, and then it is used to fill all the triangles adjoining the vertex. The three hatching textures that accumulate in each triangle are averaged, and the result of this process across all the triangles form the output image. This method can produce visually pleasing hatching similar to that seen in colored-pencil strokes and oil paintings.