نتایج جستجو برای: optical flow
تعداد نتایج: 735793 فیلتر نتایج به سال:
In trecvid 2011, our team takes part in 2 event detection competition including pointing and cell to ear. We build two systems to recognize these events separately. For pointing, we extract texture and silhouette to recognize this action. And for cell to ear, we use orientation of optical flow and SVM classifier to finish this work.
Robust estimators, such as Least Median of Squared (LMedS) Residuals, M-estimators, the Least Trimmed Squares (LTS) etc., have been employed to estimate optical flow from image sequences in recent years. However, these robust estimators have a breakdown point of no more than 50%. In this paper, we propose a novel robust estimator, called variable bandwidth Quick Maximum Density Power Estimator ...
A method is described for video-based tracking and analysis of talking heads. Although dots on the face and head are tracked now, clean faces will be tracked once a satisfactory optical flow technique is found. The analysis consists of decomposing the head and face motion components into a common mode and the residual, thus eliminating the need for complex marker tracking and head correction of...
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