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Abstract: We use optical flow to measure both the 2D and 3D growth of a young corn seedling from a sequence of 2D images. 3D growth is obtained by measuring the 2D growth from front and side views of the growing corn seedling. We use range flow (computed on range data from a Biris range sensor) to measure the 3D leaf motion of a castor oil bean plant. Our method gives the local 3D velocity of leaf surface elements in a local total least squares framework and in two global regularization frameworks. (Update)
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Computer Vision and Image Understanding 85, 209--231 (2002) - Doi Cviu Range (2002) (Correct)
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BibTeX entry: (Update)
J. L. Barron, A. Liptay, and H. Spies, Optical and range flow to measure 3d plant growth and motion, in Image Vision Computing New Zealand, Hamilton, New Zealand, November 2000, pp. 68--77. http://citeseer.ist.psu.edu/barron00optical.html More
@misc{ barron-optical,
author = "J.L. Barron and A. Liptay and H. Spies",
title = "Optical and Range Flow to Measure {3D} Plant Growth and Motion",
url = "citeseer.ist.psu.edu/barron00optical.html" }
Citations (may not include all citations):492 An iterative image registration technique with an applicatio.. - Lucas, Kanade - 1981
33 Determining optical ow (context) - Schunck - 1981
12 Performance evaluation of three active vision systems built .. - El-Hakim, Blais - 1995
4 Oscillations in corn seedling growth as measured by optical .. (context) - Liptay, Barron et al. - 1995
2 Optic ow to measure minute increments in plant growth (context) - Barron, Liptay - 1994
2 and Beauchemin S (context) - Barron, Fleet
1 Schurr: Study of Dynamical Processes with Tensor-Based Spati.. (context) - ahne, Hau et al. - 1998
1 Symposium fur Mustererkennung (context) - Spies, Hau et al. - 1999
1 and Barron J (context) - Spies, ahne
1 Measuring 3D plant growth using optical ow (context) - Barron, Liptay - 1997
1 Direct estimation of range ow on deformable shape from a vid.. (context) - Yamamoto, Boulanger et al. - 1993
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On Optical Flow - Barron, Beauchemin, Fleet (1994) (Correct)
Recursive Estimation of Time-Varying Motion and Structure.. - Barron, Eagleson (1995) (Correct)
Measuring 3D Plant Growth Using Optical Flow - Barron, Liptay (Correct)
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