Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Scheduled Sampling in Vision-Language Pretraining with Decoupled
  Encoder-Decoder Network   Despite having impressive vision-language (VL) pretraining with BERT-based
encoder for VL understanding, the pretraining of a universal encoder-decoder
for both VL understanding and generation remains challenging. The difficulty
originates from the inherently different peculiarities of the two disciplines,
e.g., VL understanding tasks capitalize on the unrestricted message passing
across modalities, while generation tasks only employ visual-to-textual message
passing. In this paper, we start with a two-stream decoupled design of
encoder-decoder structure, in which two decoupled cross-modal encoder and
decoder are involved to separately perform each type of proxy tasks, for
simultaneous VL understanding and generation pretraining. Moreover, for VL
pretraining, the dominant way is to replace some input visual/word tokens with
mask tokens and enforce the multi-modal encoder/decoder to reconstruct the
original tokens, but no mask token is involved when fine-tuning on downstream
tasks. As an alternative, we propose a primary scheduled sampling strategy that
elegantly mitigates such discrepancy via pretraining encoder-decoder in a
two-pass manner. Extensive experiments demonstrate the compelling
generalizability of our pretrained encoder-decoder by fine-tuning on four VL
understanding and generation downstream tasks. Source code is available at
\url{https://github.com/YehLi/TDEN}.

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The categories of this paper are: supr-con
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The categories of this paper are: q-alg
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The categories of this paper are: quant-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: mtrl-th
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The categories of this paper are: hep-th
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The categories of this paper are: hep-ph
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The categories of this paper are: solv-int
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The categories of this paper are: ao-sci
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The categories of this paper are: cond-mat
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The categories of this paper are: atom-ph
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The categories of this paper are: physics
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The categories of this paper are: chem-ph
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The categories of this paper are: nlin
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The categories of this paper are: gr-qc