Ohta, N., Image movement detection with reliability indices, IEICE Transactions, E74, 10, Oct. 1991, pp. 3379-3388. ( jpeg image )

Ohta, N., and Kanatani, K., Optimal structure-form-motion algorithm for optical flow, IEICE Transactions on Information & Systems, E78-D, 12, Dec. 1995, pp. 1559-1566. (PS file: text, figs.)

Ohta, N., Optical flow detection using a general noise model, IEICE Transactions on Information & Systems, E79-D, 7, July 1996, pp. 951-957. (PS file: text, figs.)

Ohta, N., Uncertainty models of the gradient constraint for optical flow computation, IEICE Transactions on Information & Systems, E79-D, 7, July 1996, pp. 958-964. (PS file: text, figs.)

--- International Conference ---

Ohta, N., Optical flow detection by color images, Proceedings of IEEE International Conference on Image Processing 1989, Singapore, Sep. 1989, pp. 801-805. ( jpeg image )

Ohta, N., Movement vector detection with reliability indiecs, Proceedings of IAPR Workshop on Machine Vision Applications, Tokyo, Nov. 1990, pp. 177-180.

Naoya Ohta, Optical Flow Detection Using a General Noise Model for Gradient Constraint, Proceedings of 7th International Conference, CAIP'97 (Computer Analysis of Images and Patterns), Kiel, Germany, pp. 669--676 (Sep. 1997)

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I have written many others, but in Japanese. Sorry.