.
A Unified Scheme for Adaptive Stroke-based Rendering
Hyung Woo Kang, Charles K. Chui, Uday K. Chakraborty.
The Visual Computer: International Journal of Computer Graphics, Vol. 22, No. 9, pp. 814--824,
2006. [BibTeX]
Image-based Painterly Rendering by Evolutionary Algorithm
Uday K. Chakraborty, Hyung Woo Kang, Paul P. Wang.
New Mathematics and Natural Computation, Vol. 3, No. 2, pp. 239--257,
2007. [BibTeX]
Interactive Sketch Generation
Hyung Woo Kang, Wenjie He, Charles K. Chui, Uday K. Chakraborty.
13th Pacific Conference on Computer Graphics and Applications (PG'05),
2005. [BibTeX]
Nonphotorealistic Virtual Environment Navigation from Images
Author(s): Hyung Woo Kang.
Article: International Journal of Image and Graphics, Vol. 5, No. 2, pp. 433--445,
2005.
[BibTeX] 
Abstract:
This paper presents a novel scheme based on a hybrid NPR/IBMR approach, for providing non-photorealistic virtual environment navigation from images. As a preprocess, we first divide the background and the foreground components in the image and then construct a simple 3D scene model consisting of background model and foreground object models, together with the corresponding nonphotorealistic texture maps. Thus, through interactive navigation at runtime, non-photorealistic walk-through images for novel viewpoints can be generated in real time. To reduce visual artifacts in the resulting animation, we propose an effective method for generating multiresolution and view-dependent non-photorealistic texture maps that preserve the stroke size and coherence across different viewing resolutions and angles.
Tour Into the Picture using a Vanishing Line and its Extension to Panoramic Images
Hyung Woo Kang, Soon Hyoung Pyo, Ken Anjyo, Sung Yong Shin.
EUROGRAPHICS 2001,
2001. [BibTeX]