Multidimensional Orientation Estimation with Applications to Texture Analysis and Optical Flow
IEEE Transactions on Pattern Analysis and Machine Intelligence
Computing Optical Flow with Physical Models of Brightness Variation
IEEE Transactions on Pattern Analysis and Machine Intelligence
Dense Estimation of Fluid Flows
IEEE Transactions on Pattern Analysis and Machine Intelligence
A Total Least Squares Framework for Low-Level Analysis of Dynamic Scenes and Processes
Mustererkennung 1999, 21. DAGM-Symposium
Mixed OLS-TLS for the Estimation of Dynamic Processes with a Linear Source Term
Proceedings of the 24th DAGM Symposium on Pattern Recognition
Estimation of Surface Flow and Net Heat Flux from Infrared Image Sequences
Journal of Mathematical Imaging and Vision
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The measurement of fluid flows is an emerging field for optical flow computation. In a number of such applications, a tracer is visualized with modern digital cameras. Due to the projective nature of the imaging process, the tracer is integrated across a velocity profile. In this contribution, a novel technique is presented that explicitly models brightness changes due to this integration. Only through this modeling is an accurate estimation of the flow velocities feasible. Apart from an accurate measurement of the fluid flow, also the underlying velocity profile can be reconstructed. Applications from shear flow, microfluidics and a biological applications are presented.