Lun Hsing Tung

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Shape matching is an important issue in pattern recognition and it has many real world applications. We have proposed a two-stage framework for polygon retrieval 12, 11] which incorporates both qualitative and quantitative measures of polygons in the rst and second stage respectively. In this paper, we introduce an extension to our two-stage framework. We(More)
Postjunctional alpha-adrenoceptors subserve positive inotropic and chronotropic responses. When beta-adrenoceptors are blocked, agonists that act on alpha 1-adrenoceptors evoke positive chronotropic responses in the pithed rat and rat isolated atria. The rank order of potency for this effect is adrenaline greater than noradrenaline greater than(More)
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