A Display Algorithm of Brush Strokes Using Bézier Functions

Nishita, Tomoyuki; Takita, Shinichi; Nakamae, Eihachiro

doi:10.1007/978-4-431-68456-5_20

Cited by 12 publications

(8 citation statements)

References 7 publications

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“…Some previous work has used cubic Bezier curves [3,4], cubic B-spline [5] or skeletal strokes [6] to represent brush strokes, and combined strokes for doing calligraphy or painting. Hobby considered the problem of finding a discrete set of pixels that approximate the envelope of a convex brush shape with respect to a given trajectory [7].…”

Section: Overview Of E-brush and Related Researchmentioning

confidence: 99%

Virtual hairy brush for painterly rendering

Li¹,

Tang²,

Lau³

et al. 2004

Graphical Models

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We propose a novel ''e-brush'' for calligraphy and painting, which meets all the criteria for a good e-brush. We use only four attributes to capture the essential features of the brush, and a suitably powerful modeling metaphor for its behavior. The e-brushÕs geometry, dynamic motions, and pigment changes are all dealt with in a single model. A single model simplifies the synchronization between the various system modules, thus giving rise to a more stable system, and lower costs. By a careful tradeoff between the complexity of the model and computation efficiency, more elaborate simulation of the e-brushÕs deformation and its recovery for interactive painterly rendering is made possible. We also propose a novel paper-ink model to complement the brushÕs model, and a machine intelligence module to empower the user to easily create beautiful calligraphy and painting. Despite the complexity of the modeling behind the scene, the high-level user interface has a simplistic and friendly design. The final results created by our e-brush can rival the real artwork.

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Section: Overview Of E-brush and Related Researchmentioning

confidence: 99%

Virtual hairy brush for painterly rendering

Li¹,

Tang²,

Lau³

et al. 2004

Graphical Models

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show abstract

“…In recent years, some research has been carried out to concerning the geometric shape of Chinese font, such as shape description with parametric curves and straight lines [10] [11], or skeletal strokes [12]. Shamir and Rappoport [13] presented an algorithm for automatically extracting typographic elements of typefaces from their outline representation, which is one of the most important stages in digital font production.…”

Section: Introductionmentioning

confidence: 99%

A Novel Method for Vectorizing Historical Documents of Chinese Calligraphy

Zhang

Lin

2007

2007 10th IEEE International Conference on Computer-Aided Design and Computer Graphics

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“…The method must have a way of representing characters in the computer, such as using cubic Bezier curves and straight lines [2,3] or skeletal strokes [4]. One could also base the representation on the brush stroke's boundary [5,6,7,8] or its trajectory [9].…”

Section: Modeling the Brushmentioning

confidence: 99%

A Solid Model Based Virtual Hairy Brush

Tang

Lau

et al. 2002

Computer Graphics Forum

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We present the detailed modeling of the hairy brush used typically in Chinese calligraphy. The complex model, which includes also a model for the ink and the paper, covers the various stages of the brush going through a calligraphy process. The model relies on the concept of writing primitives, which are the smallest units of hair clusters, to reduce the load on the simulation. Each such primitive is constructed through the general sweeping operation in CAD and described by a NURBS surface. The writing primitives dynamically adjust themselves during the virtual writing process, leaving an imprint on the virtual paper as they move. The behavior of the brush is an aggregation of the behavior of all the writing primitives. A software system based on the model has been built and tested, which can be used as a stand-alone system for creating calligraphic artwork in real time or integrated as a special-effect feature into a design software program. Samples of imitation artwork from using the system were obtained and found to be nearly indistinguishable from the real artwork.

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A Display Algorithm of Brush Strokes Using Bézier Functions

Cited by 12 publications

References 7 publications

Virtual hairy brush for painterly rendering

Virtual hairy brush for painterly rendering

A Novel Method for Vectorizing Historical Documents of Chinese Calligraphy

A Solid Model Based Virtual Hairy Brush

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