Determination of the apparent boundary of an object. - Shan Liu-Yu; Monique Thonnat (CVPR, 1992)

Using apparent boundary and convex hull for the shape characterization of foraminifera images. - Shan Liu-Yu; Monique Thonnat (ICPR (3), 1992)

Description of object shapes by apparent boundary and convex hull. - Shan Liu-Yu; Monique Thonnat (Pattern Recognit., 1993)