In this paper, we present an automatic human portrait system based on the And-Or graph representation. The system can automatically generate a set of life-like portraits in different styles from a frontal face image. The system includes three subsystems, each of which models hair, face and collar respectively. The face subsystem can be further decomposed into face components: eyebrows, eyes, nose, mouth, and face contour. Each component has a number of distinct sub-templates as a leaf-node in the And-Or graph for portrait. The And-Or graph for portrait is like a "mother template" which produces a large set of valid portrait configurations, which is a "composite templates" made of a set of sub-templates. Our approach has three novel aspects: (1) we present an And-Or graph for portrait that explains the hierarchical structure and variability of portrait and apply it into practice; (2) we combine hair, face and collar into a system that solves a practical problem; (3) The system can simultaneously generate a set of impressive portraits in different styles. Experimental results demonstrate the effectiveness and life-likeness of our approach. © Springer-Verlag Berlin Heidelberg 2007.
CITATION STYLE
Min, F., Suo, J. L., Zhu, S. C., & Sang, N. (2007). An automatic portrait system based on and-or graph representation. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 4679 LNCS, pp. 184–197). Springer Verlag. https://doi.org/10.1007/978-3-540-74198-5_15
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