Ruofan Zhou

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This paper reviews the first challenge on single image super-resolution (restoration of rich details in an low resolution image) with focus on proposed solutions and results. A new DIVerse 2K resolution image dataset (DIV2K) was employed. The challenge had 6 competitions divided into 2 tracks with 3 magnification factors each. Track 1 employed the standard(More)
Soils polluted by Chromite Ore Processing Residue (COPR) was sampled as study objects. Modified BCR sequential extraction procedure was adopt to analysis the chemical speciation of hexavalent chromium in the soils from Qingdao Hongxing Chemical Plant. The results show that, more than 80% of the total hexavalent chromium is the weak acid extractive(More)
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