In the procedure of path decomposition and query plan selection, target node in the query tree is utilized to avoid the transfer of the intermediate results.
在路径分解和查询计划选择的过程中，利用查询树中的目标节点来避免中间结果的传递。
A new method was provided based on the empirical mode decomposition (EMD) to solve the difficulties of infrared image dim small target detection in complex background of sky and sea.
针对红外图像中的小目标检测，提出了一种利用经验模态分解(EMD)提取海空背景下红外弱小目标的新方法。
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