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We present a multi-scale camera array to capture and synthesize gigapixel videos in an efficient way. Our acquisition setup contains a reference camera with a short-focus lens to get a large field-of-view video and a number of unstructured long-focus cameras to capture local-view details. Based on this new design, we propose an iterative feature matching and image warping method to independently warp...
The rapid developments in both hardware and software of mobile intelligent devices enable the mobile augmented reality (MAR) systems and applications. People using MAR systems can enhance and extend the experience in both real and virtual spaces. This paper introduces the concept and characteristics of mobile augmented reality (MAR). Then we focus on the key technologies which have great impact on...
The measurement accuracy of electronic current transformer (ECT) is related to correctly measure power energy, but the research on the field calibration methods of ECT is very little. The distribution of ECT in intelligent substation in china is introduced. According to the technical standards of GB/T 20840.7-Electronic Current Transformer, the field calibration method of ECT is proposed based on...
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