2D C-string: A new spatial knowledge representation for image database systems. - Suh-Yin Lee; Fang-Jung Hsu (Pattern Recognit., 1990)

Picture algebra for spatial reasoning of iconic images represented in 2D C-string. - Suh-Yin Lee; Fang-Jung Hsu (Pattern Recognit. Lett., 1991)

Spatial reasoning and similarity retrieval of images using 2D C-string knowledge representation. - Suh-Yin Lee; Fang-Jung Hsu (Pattern Recognit., 1992)

Spatial Knowledge Representation for Iconic Image Database. - Suh-Yin Lee; Fang-Jung Hsu (Handbook of Pattern Recognition and Computer Vision, 1993)

Similarity Retrieval by 2D C-Trees Matching in Image Databases. - Fang-Jung Hsu; Suh-Yin Lee; Bao-Shuh Paul Lin (J. Vis. Commun. Image Represent., 1998)

Video Data Indexing by 2D C-Trees. - Fang-Jung Hsu; Suh-Yin Lee; Bao-Shuh Paul Lin (J. Vis. Lang. Comput., 1998)

2D C-Tree Spatial Representation for Iconic Image. - Fang-Jung Hsu; Suh-Yin Lee; Bao-Shuh Paul Lin (J. Vis. Lang. Comput., 1999)