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Error-handling (EH) code snippets are widely used for troubleshooting in software projects. Analyzing these snippets help to better understand how developers handle errors. However, the identification of such error-handling code snippets from the large-scale software is non-trivial, since traditional methods meet a challenge of scalability. In this paper, we analyze a large number of error-handling...
This paper proposed a winter wheat extraction and estimation model for Jiangsu province, China, using HJ multi temporal images and MODIS-VI time series. The illustrations of winter wheat's representative phenological calendar features presented on EVI series are taken as optimal indicators. Combined with field surveys, HJ EVI and NDVI features are depicted, and winter wheat area on typical research...
In this paper, an integrated solution of moving object categorization is proposed, within the context of the visual surveillance system. Tracked targets are classified into four categories: single pedestrian, car, bicycle, and others (also the negative samples). In our framework, a set of strong classifier ensembles is in the form of multi-level particular features, where each feature represents an...
The coastal zone is a complex space where terrestrial environments and marine environments influence each other, including various coast flats and many artificial objects. There were many mixed pixels in hyperspectral image of coastal zone. In this paper, we applied decision tree to classify coastal zone, and adopted pure pixel index (PPI) to extract endmember as training samples during choosing various...
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