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X-ray photon correlation spectroscopy (XPCS) is a unique tool to study the dynamical properties in a wide range of materials over a wide spatial and temporal range. XPCS measures the correlated changes in the speckle pattern, produced when a coherent x-ray beam is scattered from a disordered sample, over a time series of area detector images. The technique rides on “Big Data” and relies heavily on...
A data acquisition system to perform real-time background subtraction and lower-level-discrimination-based compression of streaming x-ray photon correlation spectroscopy (XPCS) data from a fast charge-coupled device (CCD) area detector has been built and put into service at the Advanced Photon source (APS) at Argonne National Laboratory. A commercial frame grabber with on-board field-programmable...
The lack of publicly available annotated databases is one of the major barriers to research advances on emotional information processing. In this contribution we present a recently collected database of spontaneous emotional speech in German which is being made available to the research community. The database consists of 12 hours of audio-visual recordings of the German TV talk show ldquoVera am...
Target localization is a key application in the sensor network context. Of the various conventional methods can be applied, and have been proposed, the range difference (RD) based method is attractive due to improved accuracy and ease of implementation it affords. While the basic concepts of the RD based method can be adapted to the case of sensor networks, the data acquisition and aggregation procedures...
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