And they all look just the same
نویسندگان
چکیده
منابع مشابه
Bad Semidefinite Programs: They All Look the Same
Duality theory plays a central role in semidefinite programming, since in optimization algorithms a dual solution serves as a certificate of optimality. However, in semidefinite duality pathological phenomena occur: nonattainment of the optimal value, positive duality gaps, and infeasibility of the dual, even when the primal is bounded. We say that the semidefinite system PSD = {x | ∑m i=1 xiAi...
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The headscarf conceals hair and other external features of a head (such as the ears). It therefore may have implications for the way in which such faces are perceived. Images of faces with hair (H) or alternatively, covered by a headscarf (HS) were used in three experiments. In Experiment 1 participants saw both H and HS faces in a yes/no recognition task in which the external features either r...
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Westudy to what extend Chinese, Japaneseand Korean faces can be classified and which facial attributes offer the most important cues. First, we propose a novel way of obtaining large numbers of facial images with nationality labels. Then we train state-of-the-art neural networks with these labeled images. We are able to achieve an accuracy of 75.03% in theclassification task, with chancesbeing ...
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ژورنال
عنوان ژورنال: Nature
سال: 1994
ISSN: 0028-0836,1476-4687
DOI: 10.1038/367119a0