Philip Kahn

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This paper proposes an intensity-based method for determining the spatial orientation and observed velocity of a continuously moving edge. Space-time relations arise from the translation of a straight edge across a fixed detector array; a tesselation unit comprised of three equidistant detectors is used to exploit these relationships. The time ordering of(More)
The AAAI-90 Workshop on Qualitative Vision was organized into seven sessions , with each session focusing on a specific topic. The first session was on the approaches and psychophysi-cal bases of qualitative vision, addressing the question of what is qualitative vision. The second session presented work on motion and navigation. The topics of the next four(More)
BACKGROUND Juvenile dermatomyositis (JDM) is the most common form of the idiopathic inflammatory myopathies in children. A subset of children have the rash of JDM without significant weakness, and the optimal treatments for these children are unknown. The goal of this study was to describe the development of consensus clinical treatment plans (CTPs) for(More)
OBJECTIVE Behcet's is an idiopathic multi-organ syndrome, which may have onset during childhood. Vascular involvement is uncommon, with rarely reported coronary aneurysm formation. We present a case report of a teenager girl who developed recalcitrant life-threatening Behcet's vasculitis, involving both small and large venous and arterial systems including(More)
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