Yupan Huang Tengchao Lv Lei Cui 0001 Yutong Lu Furu Wei LayoutLMv3: Pre-training for Document AI with Unified Text and Image Masking. 4083-4091 2022 ACM Multimedia https://doi.org/10.1145/3503161.3548112 conf/mm/2022 db/conf/mm/mm2022.html#HuangL0LW22