Computer Generated Copper Plates

Leister, Wolfgang

doi:10.1111/1467-8659.1310069

Cited by 38 publications

(19 citation statements)

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“…1 The work described here also continues in a growing line of non-photorealistic rendering research [5,6,9,16,22,23,26,33,39,40], and it builds on previous work on animating the fluid dynamics of water [1,10,19] and the effects of water flow on the appearance of surfaces [7,8,28].…”

Section: Related Workmentioning

confidence: 86%

Computer-generated watercolor

Curtis¹,

Anderson²,

Seims³

et al. 1997

Proceedings of the 24th Annual Conference on Computer Graphics and Interactive Techniques - SIGGRAPH '97

368

258

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This paper describes the various artistic effects of watercolor and shows how they can be simulated automatically. Our watercolor model is based on an ordered set of translucent glazes, which are created independently using a shallow-water fluid simulation. We use a Kubelka-Munk compositing model for simulating the optical effect of the superimposed glazes. We demonstrate how computergenerated watercolor can be used in three different applications: as part of an interactive watercolor paint system, as a method for automatic image "watercolorization," and as a mechanism for nonphotorealistic rendering of three-dimensional scenes.

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Section: Related Workmentioning

confidence: 86%

Computer-generated watercolor

Curtis¹,

Anderson²,

Seims³

et al. 1997

Proceedings of the 24th Annual Conference on Computer Graphics and Interactive Techniques - SIGGRAPH '97

368

258

View full text Add to dashboard Cite

show abstract

“…A multitude of methods have more recently been developed to automate the placement of hatches [20], [21] and strokes [22], [23], [24], [25]. These contrast with earlier work such as that of Haeberli [13], whose paint systems allowed a user to, for example, interactively generate impressionist style "paintings" through a labour intensive process.…”

Section: Related Workmentioning

confidence: 99%

“…These contrast with earlier work such as that of Haeberli [13], whose paint systems allowed a user to, for example, interactively generate impressionist style "paintings" through a labour intensive process. In a similar fashion, sketch rendering systems were initially developed as interactive tools [7] but were later advanced toward greater automation [20], [21]; some methods are now capable of rendering in real-time [26], [27]. Many techniques address automation through implementation of simplified artistic heuristics, basing decisions upon image processing operations.…”

Section: Related Workmentioning

confidence: 99%

Cubist style rendering from photographs

Collomosse

Hall

2003

IEEE Trans. Visual. Comput. Graphics

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Abstract-The contribution of this paper is a novel nonphotorealistic rendering (NPR) technique, influenced by the style of Cubist art. Specifically we are motivated by artists such as Picasso and Braque, who produced art work by composing elements of a scene taken from multiple points of view; paradoxically such compositions convey a sense of motion without assuming temporal dependence between views. Our method accepts a set of two-dimensional images as input, and produces a Cubist style painting with minimal user interaction. We use salient features identified within the image set, such as eyes, noses and mouths as compositional elements; we believe the use of such features to be a unique contribution to NPR. Before composing features into a final image we geometrically distort them to produce the more angular forms common in Cubist art. Finally we render the composition to give a painterly effect, using an automatic algorithm. This paper describes our method, illustrating the application of our algorithm with a gallery of images. We conclude with a critical appraisal and suggest the use of "high-level" features is of interest to NPR.

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“…Although the terms "etching", "mezzotint," "aquatint" and others designate different traditional techniques, we shall sometimes use these terms as well. Many authors who tried to produce digital gravures in the past were too influenced by their scientific background: they tried to put engraving layers or similar lineart stuctures on 3D parametric surfaces directly attached to the 3D objects (see for example [7], [8], [9], [16]). Notwithstanding the extreme complexity of such an approach, it leads to results of a relative value for facial engraving: simple geometrical objects look too striped, while more sophisticated objects like human face are too complicated to be manipulated easily.…”

Section: Figmentioning

confidence: 99%

Digital facial engraving

Ostromoukhov

1999

Proceedings of the 26th Annual Conference on Computer Graphics and Interactive Techniques - SIGGRAPH '99

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This contribution introduces the basic techniques for digital facial engraving, which imitates traditional copperplate engraving. Inspired by traditional techniques, we first establish a set of basic rules thanks to which separate engraving layers are built on the top of the original photo. Separate layers are merged according to simple merging rules and according to range shift/scale masks specially introduced for this purpose. We illustrate the introduced technique by a set of black/white and color engravings, showing different features such as engraving-specific image enhancements, mixing different regular engraving lines with mezzotint, irregular perturbations of engraving lines etc. We introduce the notion of engraving style which comprises a set of separate engraving layers together with a set of associated range shift/scale masks. The engraving style helps to port the look and feel of one engraving to another. Once different libraries of pre-defined mappable engraving styles and an appropriate user interface are added to the basic system, producing a decent gravure starting from a simple digital photo will be a matter of seconds. The engraving technique described in this contribution opens new perspectives for digital art, adding unprecedented power and precision to the engraver's work.

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Computer Generated Copper Plates

Cited by 38 publications

References 0 publications

Computer-generated watercolor

Computer-generated watercolor

Cubist style rendering from photographs

Digital facial engraving

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