James Ching-Yu Yang

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OBJECTIVE To determine how often the lists of regular medications derived in geriatric clinics by examination of "medication bags" and interview matched those found during in-home inspections and interviews. DESIGN Prospective cross-sectional study. SETTING Geriatric clinics at three university-affiliated hospitals. PARTICIPANTS Consecutive(More)
Moire´patterns often appear in the image obtained from scanning an image printed on a magazine or a newspaper. The patterns do not exist in the original printing but come from alias sampling of screened halftone pictures. A strategy to design a moire´suppression scanning procedure is proposed. Fourier analysis is presented for both the screening and the(More)
MoireH patterns are distortions on the results of scanning printed documents. However, the patterns can be utilized in document image segmentation and quality improvement. The moireH phenomenon comes from sampling periodical structures in images, such as halftone screens, color components, and text galleys which often appear in printed magazines and(More)
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