摘要: Young people growing up in some of the high-poverty communities of New York City confront tough odds in their journey to independence. They most likely attend overcrowded public schools where far more students fail than pass. Many lack strong family supports 展开 DOI: http://www.newham...
intro: “formulates the selection of salient regions and their placement together as a Markov random field (MRF) problem. Each image is represented as a set of blocks, and the multiple-class labeling problem with non-metric constraints is optimized by “truncating” the non-regular energy. Howe...
When light falls on a very thin, uniform layer almost all of it is reflected (right-hand arrows). By etching thin grooves in the film, the light is directed sideways and almost all of it is absorbed (left-hand arrows) even though the amount of material is very small. Insets show elec...
There is nothing which I dread so much as a division of the republic into two great parties, each arranged under its leader, and concerting measures in opposition to each other. This, in my humble apprehension, is to be dreaded as the greatest political evil under our Constitution. ~ John...