Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Pros and Cons: Rank-aware Temporal Attention for Skill Determination
  in Long Videos   We present a new model to determine relative skill from long videos, through
learnable temporal attention modules. Skill determination is formulated as a
ranking problem, making it suitable for common and generic tasks. However, for
long videos, parts of the video are irrelevant for assessing skill, and there
may be variability in the skill exhibited throughout a video. We therefore
propose a method which assesses the relative overall level of skill in a long
video by attending to its skill-relevant parts. Our approach trains temporal
attention modules, learned with only video-level supervision, using a novel
rank-aware loss function. In addition to attending to task relevant video
parts, our proposed loss jointly trains two attention modules to separately
attend to video parts which are indicative of higher (pros) and lower (cons)
skill. We evaluate our approach on the EPIC-Skills dataset and additionally
annotate a larger dataset from YouTube videos for skill determination with five
previously unexplored tasks. Our method outperforms previous approaches and
classic softmax attention on both datasets by over 4% pairwise accuracy, and as
much as 12% on individual tasks. We also demonstrate our model's ability to
attend to rank-aware parts of the video.

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The categories of this paper are: gr-qc
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The categories of this paper are: q-fin
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The categories of this paper are: supr-con
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The categories of this paper are: ao-sci
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The categories of this paper are: stat
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The categories of this paper are: math
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The categories of this paper are: dg-ga
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The categories of this paper are: nlin
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The categories of this paper are: eess
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The categories of this paper are: hep-lat
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The categories of this paper are: hep-ph
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The categories of this paper are: q-bio
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The categories of this paper are: atom-ph
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The categories of this paper are: alg-geom
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The categories of this paper are: nucl-ex
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The categories of this paper are: quant-ph