Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: LRW-1000: A Naturally-Distributed Large-Scale Benchmark for Lip Reading
  in the Wild   Large-scale datasets have successively proven their fundamental importance in
several research fields, especially for early progress in some emerging topics.
In this paper, we focus on the problem of visual speech recognition, also known
as lipreading, which has received increasing interest in recent years. We
present a naturally-distributed large-scale benchmark for lip reading in the
wild, named LRW-1000, which contains 1,000 classes with 718,018 samples from
more than 2,000 individual speakers. Each class corresponds to the syllables of
a Mandarin word composed of one or several Chinese characters. To the best of
our knowledge, it is currently the largest word-level lipreading dataset and
also the only public large-scale Mandarin lipreading dataset. This dataset aims
at covering a "natural" variability over different speech modes and imaging
conditions to incorporate challenges encountered in practical applications. It
has shown a large variation in this benchmark in several aspects, including the
number of samples in each class, video resolution, lighting conditions, and
speakers' attributes such as pose, age, gender, and make-up. Besides providing
a detailed description of the dataset and its collection pipeline, we evaluate
several typical popular lipreading methods and perform a thorough analysis of
the results from several aspects. The results demonstrate the consistency and
challenges of our dataset, which may open up some new promising directions for
future work.

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The categories of this paper are: comp-gas
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The categories of this paper are: hep-lat
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The categories of this paper are: hep-ex
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The categories of this paper are: cond-mat
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The categories of this paper are: supr-con
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The categories of this paper are: chem-ph
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The categories of this paper are: mtrl-th
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The categories of this paper are: quant-ph
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The categories of this paper are: q-alg
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The categories of this paper are: physics
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The categories of this paper are: alg-geom
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The categories of this paper are: q-bio
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The categories of this paper are: nucl-ex
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The categories of this paper are: atom-ph
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The categories of this paper are: ao-sci
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The categories of this paper are: math