Effect of increased axial field of view on the performance of a volume PET scanner. - Joel S. Karp; Paul E. Kinahan; Gerd Muehllehner; Peter Countryman (IEEE Trans. Medical Imaging, 1993)

Fully automated algorithm for the segmentation of the middle and proximal phalanges of digitized hand radiographs. - Jeffrey W. Duryea; Yebin Jiang; Peter Countryman; Harry K. Genant (Image Processing, 1998)