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<p>We present a method for estimating the shape of a deformable model using the least-squares residuals from a model-based optical flow computation. This method is built on top of an estimation framework using optical flow and image features, where optical flow affects only the motion parameters of the model. Using the results of this computation, our new method adjusts all of the parameters so that the residuals from the flow computation are minimized. We present face tracking experiments that demonstrate that this method obtains a better estimate of shape compared to related frameworks.</p>
Nonrigid shape and motion estimation, model-based optical flow, deformable models.

D. DeCarlo and D. Metaxas, "Adjusting Shape Parameters Using Model-Based Optical Flow Residuals," in IEEE Transactions on Pattern Analysis & Machine Intelligence, vol. 24, no. , pp. 814-823, 2002.
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