Motion and shape identification with vision and range

IEEE Transactions on Automatic Control - Tập 47 Số 8 - Trang 1392-1396 - 2002
S. Takahashi1, B.K. Ghosh2
1Department of Information Sciences, Tokyo Denki University, Japan
2Department of Systems Science and Mathematics, Washington University, USA

Tóm tắt

In this paper, we consider the problem of motion and shape estimation using a camera and a laser range finder. The object considered is a plane which is undergoing a Riccati motion. The camera observes features on the moving plane perspectively. The range-finder camera is capable of obtaining the range of the plane along a given "laser plane", which can either be kept fixed or can be altered in time. Finally, we assume that the identification is carried out as soon as the visual and range data is available, or after a suitable temporal integration. In each of these various cases, we derive to what extent the motion and shape parameters are identifiable and characterize the results as an orbit of a suitable group. The paper does not emphasize any specific choice of algorithm.

Từ khóa

#Shape #Cameras #Motion estimation #Charge coupled devices #Charge-coupled image sensors #Riccati equations #Machine vision #Parameter estimation #Sensor phenomena and characterization #Mobile robots

Tài liệu tham khảo

mumford, 1976, Algebraic Geometry I Complex Projection Varieties 10.1109/TPAMI.1980.6447703 10.1109/34.713360 10.1109/34.713361 10.1109/70.554348 10.1109/TPAMI.1984.4767471 10.1364/JOSAA.3.001492 10.1137/S0363012993246853 10.1007/BF00054997 horn, 1986, Robot Vision 10.1109/9.867019 maybank, 1993, theory of reconstruction from image motion, Springer-Verlag Series in Information Sciences, 28 10.1109/34.62604 boothby, 1975, An Introduction to Differentiable Manifolds and Riemannian Geometry 10.1109/5.5965 milnor, 1974, Characteristic Classes, 10.1515/9781400881826