Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Funnel-Structured Cascade for Multi-View Face Detection with
  Alignment-Awareness   Multi-view face detection in open environment is a challenging task due to
diverse variations of face appearances and shapes. Most multi-view face
detectors depend on multiple models and organize them in parallel, pyramid or
tree structure, which compromise between the accuracy and time-cost. Aiming at
a more favorable multi-view face detector, we propose a novel funnel-structured
cascade (FuSt) detection framework. In a coarse-to-fine flavor, our FuSt
consists of, from top to bottom, 1) multiple view-specific fast LAB cascade for
extremely quick face proposal, 2) multiple coarse MLP cascade for further
candidate window verification, and 3) a unified fine MLP cascade with
shape-indexed features for accurate face detection. Compared with other
structures, on the one hand, the proposed one uses multiple computationally
efficient distributed classifiers to propose a small number of candidate
windows but with a high recall of multi-view faces. On the other hand, by using
a unified MLP cascade to examine proposals of all views in a centralized style,
it provides a favorable solution for multi-view face detection with high
accuracy and low time-cost. Besides, the FuSt detector is alignment-aware and
performs a coarse facial part prediction which is beneficial for subsequent
face alignment. Extensive experiments on two challenging datasets, FDDB and
AFW, demonstrate the effectiveness of our FuSt detector in both accuracy and
speed.

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The categories of this paper are: hep-ex
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The categories of this paper are: eess
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The categories of this paper are: funct-an
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The categories of this paper are: stat
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The categories of this paper are: nlin
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The categories of this paper are: q-fin
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The categories of this paper are: nucl-ex
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The categories of this paper are: dg-ga
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The categories of this paper are: acc-phys
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The categories of this paper are: alg-geom
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The categories of this paper are: math-ph
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The categories of this paper are: econ
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The categories of this paper are: plasm-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: chao-dyn
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The categories of this paper are: solv-int