Sufficient conditions for double or unique solution of motion and structure. - Xiaoping Hu 004; Narendra Ahuja (ICASSP, 1991)

Motion estimation under orthographic projection. - Xiaoping Hu 004; Narendra Ahuja (IEEE Trans. Robotics Autom., 1991)

Estimating motion of constant acceleration from image sequences. - Xiaoping Hu 004; Narendra Ahuja (ICPR (1), 1992)

Long Image Sequence Motion Analysis Using Polynomial Motion Models. - Xiaoping Hu 004; Narendra Ahuja (MVA, 1992)

Motion and structure estimation using long sequence motion models. - Xiaoping Hu 004; Narendra Ahuja (Image Vis. Comput., 1993)

Mirror uncertainty and uniqueness conditions for determining shape and motion from orthographic projection. - Xiaoping Hu 004; Narendra Ahuja (Int. J. Comput. Vis., 1994)

Feature Extraction and Matching as Signal Detection. - Xiaoping Hu 004; Narendra Ahuja (Int. J. Pattern Recognit. Artif. Intell., 1994)

Matching Point Features with Ordered Geometric, Rigidity, and Disparity Constraints. - Xiaoping Hu 004; Narendra Ahuja (IEEE Trans. Pattern Anal. Mach. Intell., 1994)

Necessary and sufficient conditions for a unique solution of plane motion and structure. - Xiaoping Hu 004; Narendra Ahuja (IEEE Trans. Robotics Autom., 1995)