Object-based image segmentation using DWT/RDWT multiresolution Markov random field. - Lei Zheng; J. C. Liu; Andrew K. Chan; Walter Smith (ICASSP, 1999)

Using GRA for 2D Invariant Object Recognition. - Te-Hsiu Sun; J. C. Liu; C.-H. Tang; Fang-Chih Tien (ICEIS (2), 2009)