After upper facial action unit location and segmentation, we present the facial action unit feature extraction algorithm based on KPCA.

在定位分割出上半人脸运动单元子区域图像之后，提出了采用KPCA算法提取它们的特征。

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The data from these is combined with that from a conventional GPS unit to pinpoint a location of a car to within 2m in cities.

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It says it anticipates a rise in productions from abroad as the city "markets itself increasingly as a filming location" through the unit.

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The new technology platform can be embedded in an existing design or operate as a stand-alone unit, with options to compute the location locally or transmit the information to a remote system which can process the data before visualising it on a smartphone app.

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