Computer Vision and Robotics Laboratory, Beckman Institute, UIUC

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T. S. Huang, J. Weng and N. Ahuja, 3-D Motion from Image Sequences: Modeling, Understanding and Prediction, IEEE Workshop on Motion: Representation and Analysis, Kiawah Island, May 6-9, 1986, 516-518.

J. Weng, T. Huang and N. Ahuja, A Two-Step Approach to Optimal Motion and Structure Estimation from Feature Correspondences, Proc. IEEE Workshop on Computer Vision, Miami Beach, November 30 -December 2, 1987, 355-357.

J. Weng, T. Huang and N. Ahuja, 3-D Motion Estimation, Understanding and Prediction from Noisy Image Sequences , IEEE Trans. Pattern Analysis and Machine Intelligence, May 1987, 370-389.

J. Weng, T. Huang and N. Ahuja, Error Analysis of Motion Parameter Estimation from Image Sequences, First International Conference on Computer Vision, London, England, June 8-11, 1987, 703-707.

J. Weng, N. Ahuja and T. Huang, Motion and Structure from Point Correspondences: A Robust Algorithm for Planar Case with Error Estimation, 9th Int. Conference on Pattern Recognition, Rome, Italy, November, 1988, 247-251. Abstract and Full Text

L. Abbott and N. Ahuja, Surface Reconstruction by Dynamic Integration of Focus, Camera Vergence and Stereo, Second International Conference on Computer Vision, Tarpon Springs, December 5-8, 1988, 532-543. Abstract and Full Text

J. Weng, N. Ahuja and T. Huang, Optimal Motion and Structure Estimation, IEEE Conference on Computer Vision and Pattern Recognition, San Diego, June 4-8, 1989, 144-152. Abstract & PDF Full Text

X. Hu and N. Ahuja, Sufficient conditions for double or unique solution of motion and structure, Proc. IEEE Conference on Acoustics, Speech and Signal Processing, Toronto, Canada, May 14-17, 1991, 2445-2448. Abstract and Full Text

X. Hu and N. Ahuja, Estimating Motion of Constant Acceleration from Image Sequences, 11th Int. Conf. on Pattern Recognition - Computer Vision, The Hague, August 30 - September 2, 1992, A655-659. Abstract and Full Text

J. Weng, Y. Cui, N. Ahuja and A. Singh, Integration of Transitory Image Sequences, Proceedings IEEE Conference on Computer Vision and Pattern Recognition, Seattle, WA, June 20-23, 1994, 966-969. Abstract and Full Text

X. Hu and N. Ahuja, Mirror Uncertainity and Uniqueness Conditions for Determining Shape and Motion from Orthographic Projection, First Asian Conference on Computer Vision, November 23-25, 1993, Osaka, Japan, 272-275.

X. Hu and N. Ahuja, Necessary and Sufficient Conditions for a Unique Solution of Plane Motion and Structure, Proc. 5th Int. Conference on Computer Analysis of Images and Patterns, Budapest, Hungary, September 13-15, 1993.

C. Debrunner and N. Ahuja, Motion and Structure Factorization and Segmentation of Long Multiple Motion Image Sequences, Proc. DARPA Image Understanding Workshop, San Diego, January 27-29, 1992, 543-547.

X. Hu and N. Ahuja, A Robust Algorithm for Plane Motion Estimation, First International Conf. on Automation, Robotics and Computer Vision, Singapore, Sep 18-21, 1990.

J. Weng, T. Huang and N. Ahuja, Motion from Images: Image Matching, Parameter Estimation and Intrinsic Stability, IEEE Workshop on Visual Motion, Irvine, March 20-22, 1989, 359-366. Abstract and Full Text

J. Weng, N. Ahuja and T. Huang, 3-D Motion from Image Sequences: Modeling, Estimation and Prediction, 8th International Conference on Pattern Recognition, Paris, France, October 28-31, 1986, 1107-1109.

J. Weng, N. Ahuja and T. Huang, Closed-Form Solution+Maximum Likelihood: A Robust Approach to Motion and Structure Estimation, IEEE Conf. on Computer Vision and Pattern Recognition, Ann Arbor, June 1988, 381-386. Abstract and Full Text

X. Hu and N. Ahuja, Motion Estimation Under Orthographic Projection, IEEE Trans. on Robotics and Automation, December 1991, 848-853. Abstract and Full Text

J. Weng, N. Ahuja and T. S. Huang, Motion and Structure from Point Correspondences: Planar Surfaces, IEEE Trans. Signal Processing, Vol. 39, No. 12, December 1991, 2691-2717. Abstract and Full Text

J. Weng, T. S. Huang and N. Ahuja, Motion and Structure from Line Correspondences: Closed-form Solution, Uniqueness and Optimization, IEEE Trans. Pattern Analysis and Machine Intelligence, Vol. 14, March 1992, 318-336. Abstract and Full Text

J. Weng, T.S. Huang and N. Ahuja, Motion and Structure from Image Sequences, Springer-Verlag, 1992.

X. Hu and N. Ahuja, Sufficient Conditions for Double or Unique Solution of Motion and Structure, Computer Vision, Graphics and Image Processing: Image Understanding, September 1993, 161-176.

X. Hu and N. Ahuja, Motion and Structure Estimation using Long Sequence Motion Models, Journal of Image and Vision Computing, 11, November 1993, 549-569.

X. Hu and N. Ahuja, Mirror Uncertainty and Uniqueness Conditions for Determining Shape and Motion from Orthographic Projection, Int. Journal of Computer Vision, 13, 3, November 1994, 295-309.

X. Hu and N. Ahuja, Necessary and Sufficient Conditions for a Unique Solution of Plane Motion and Structure, IEEE Transactions on Robotics and Automation, Vol. 11, No. 2, April 1995, 304-308.

N. Ahuja and R. Charan, Pixel Matching and Motion Segmentation in Image Sequences, 2nd Asian Conf. on Computer Vision, Singapore, December 5-8, 1995, I310-I314.

J. Weng, Y. Cui and N. Ahuja, Transitory Image Sequences, Asymptotic Properties, and Estimation of Motion and Structure, IEEE Trans. Pattern Analysis and Machine Intelligence, Vol. 19, No. 5, May 1997, 451-464.

X. Hu and N. Ahuja, Long Image Sequence Motion Analysis Using Polynomial Motion Models, IAPR Workshop on Machine Vision Applications, Dec. 7-9, Tokyo, 1992, 109-113.

Z. Hong and N. Ahuja, Target Tracking from Binocular Image Sequence Using the Autoregressive Moving Average Model, IAPR Workshop on Machine Vision Applications, Dec. 7-9, Tokyo, 1992, 317-320.

C. Debrunner and N. Ahuja, A Hankel Matrix Based Motion Estimation Algorithm, 10th International Conference on Pattern Recognition – Computer Vision, Vol. 1, Atlantic City, June 1990, 384-389.

J. Weng, Y. Liu, T. Huang and N. Ahuja, Determining Motion/Structure from Line Correspondences: A Robust Linear Algorithm and Uniqueness Theorems, IEEE Conf. on Computer Vision and Pattern Recognition, Ann Arbor, MI, June 1988, 387-392.