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Dictionary learning (DL) for sparse coding has shown promising results in classification tasks, while how to adaptively build the relationship between dictionary atoms and class labels is still an important open question. The existing dictionary learning approaches simply fix a dictionary atom to be either class-specific or shared by all classes beforehand,(More)
OBJECTIVE To investigate the feasibility and effectiveness of free popi iteal artery cutaneous branch flap anastomosed with lateral tarsal artery and vein for the repair of wound on the foot and ankle by anatomical observation and clinical application. METHODS Latex was poured into the blood vessels of 8 cadavers, then perforator vessel of posterolateral(More)
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