...:视觉对象识别,LDA模型,空间信息,条件随机场,期望最大化算法 [gap=1884]Keywords:Visual Object Recognition; LDA Model; Spatial Information; CRF; EM Algorithm ...
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dynamic LDA model 动态LDA模型
The method applies LDA model on temporal news reports to extract news topics, the number of topics in different time periods is different.
首先应用LDA对不同时间段的文集进行话题的自动抽取,话题数目在不同时间段是可变的;
A model for predicting the tumble speed is derived and verified by the steady flow rig and the in-cylinder flow measurement results by a LDA system.
据此建立了缸内滚流比预测模型,并在稳流试验和拖动工况下缸内流动的LDA测量试验中得到验证。
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