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 Barron, J L and Spies, H (2001). The fusion of image and range flow. Multi-Image Search and Analysis. Springer. 174--192

 Spies, H, Jähne, B and Barron, J L (2001). Surface expansion from range data sequences. Proceedings of the 23th DAGM Symposium on Pattern Recognition. Springer. 163--169

 Spies, H, Jähne, B and Barron, J L (2000). Dense range flow from depth and intensity data. ICPR. 131--134

 Barron, J L, Liptay, A and Spies, H (2000). Optical and range flow to measure 3D plant growth and motion. Image Vision Computing New Zealand. 68--77

 Barron, J L and Spies, H (2000). Quantitative regularized range flow. Vision Interface. 203--210

 Spies, H, Jähne, B and Barron, J L (2000). Regularised range flow. European Conference on Computer Vision (ECCV). Springer. 2 785--799

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