منابع مشابه
Shape–motion relationships of centering microtubule asters
Although mechanisms that contribute to microtubule (MT) aster positioning have been extensively studied, still little is known on how asters move inside cells to faithfully target a cellular location. Here, we study sperm aster centration in sea urchin eggs, as a stereotypical large-scale aster movement with extreme constraints on centering speed and precision. By tracking three-dimensional ast...
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The class of motion estimation algorithms known as backward methods have the advantage of dense motion eld sampling, and in coding applications the decoder needs no motion information from the coder. In this paper, we rst present an overview of operator based motion compensators with interpolative and non-interpolative kernels. We then proceed with two new results. The rst ooers a new perspecti...
متن کاملSecond - order method for occlusion relationships in motion
A new method is presented to recover the depth ordering of motion layers in a scene. We derive a measure for determining the occlusion relationship between two layers, by testing whether the support of one motion layer is moving with the predicted local velocity of another motion layer. This is used to construct a graph which represents the depth ordering of all layers. By cascading two rst-ord...
متن کاملRelationships between foot type and dynamic rearfoot frontal plane motion
BACKGROUND The Foot Posture Index (FPI) provides an easily applicable, validated method for quantifying static foot posture. However there is limited evidence relating to the ability of the FPI to predict dynamic foot function. This study aimed to assess the relationship between dynamic rearfoot motion and FPI scores in pronated and normal foot types. METHODS 40 participants were recruited wi...
متن کاملProbabilistic Models for Designing Motion and Sound Relationships
We present a set of probabilistic models that support the design of movement and sound relationships in interactive sonic systems. We focus on a mapping–by–demonstration approach in which the relationships between motion and sound are defined by a machine learning model that learns from a set of user examples. We describe four probabilistic models with complementary characteristics in terms of ...
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ژورنال
عنوان ژورنال: Systèmes de pensée en Afrique noire
سال: 2008
ISSN: 0294-7080,2268-1558
DOI: 10.4000/span.817