Ebook Functionally Based Virtual Computer Art
In general, computer art may not necessarily mean that an exact simulation of the original art is to be performed. With the computer, some absolutely new forms, shapes, and expressive techniques, not available in real life, can be created. Also, to simulate the existing artistic techniques, the computer often does the whole job for the artist.
There are projects that propose how to turn a photograph into a watercolor, charcoal, colored pen, oil paint picture, or engraving leaving the user an opportunity of controlling the appearance of the picture by adjusting the control parameters. For example, rendering parametric free-form surfaces in pen and ink is proposed in [24]. Interactive creating pen-and- ink line style drawings from gray scale images is introduced in [21]. Various artistic effects of watercolor and their automatic simulation are described in [4]. Line art drawing is studied in. Expressive rendering is proposed in.
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