非寫實性電腦繪畫表現之研究

The Study of Artistry Painting in Non-photorealistic Rendering

10.6793/JNTCA.200804.0085

陳鎂鋆(Ming-Chug Chen)；鐘世凱(Shih-Kai Chung)

非寫實電腦算圖 ； 筆觸 ； 畫家著色技術 ； 材質模擬 ； Non-photorealistic Rendering ； Brush ； Painterly Rendering ； Texture Simulation

藝術學報

82期（2008 / 04 / 01）

85 - 105

繁體中文

照相寫實，長久以來一直位居電腦圖學的主流，然而對於建築、技術、藝術等注重表現圖片，卻不能有效的傳遞其意圖；而非照相寫實電腦繪圖技術的出現，正好可以解決其不足之處。非寫實性電腦算圖(NPR)之目標不在於表現其圖像的真實性，而是要呈現圖像的藝術特質或是模擬手繪的藝術作品。NPR的技術發展極爲迅速，依其表現形式可分爲：卡通著色技術、鋼筆描繪的圖案、技術類的圖案以及畫家著色技術。本研究將會以電腦動畫的NPR畫家著色技術爲研究基礎，利用畫家本身的繪畫經驗，透過材質模擬的方式輔助NPR畫家著色技術，結合科技與藝術創作，以達到個人作畫風格之繪畫效果的呈現。

Photorealistic rendering, has been the mainstream rendering technique in computer graphics all the time. However, in some important applications, such as construction, technology, and arts, which emphasis the transmission of information, photorealistic rendering may ineffective to display the informative graphics. Being the complement of photorealistic rendering, the goal of Non-Photorealistic rendering (NPR) rather focuses on the realism of pictures, but cares more about artistic characteristics of the work or artist’s performance in artistry drawing. The technical development of NPR is very fast in recent years. According to its form of expression, we can roughly classify NPR into four categories: cartoon rendering, pen-and-ink illustration, technical illustration and painterly rendering. Our work utilizes painterly rendering in NPR as the foundation of this research. Artist's painting skill and experiences are integrated in the creation framework through the way of texture simulation in painterly rendering. Combining technology advancement and art creation, artists' painting styles can be effective displayed.

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