Papers by Chenfei Wu

6 papers
GEM: A General Evaluation Benchmark for Multimodal Tasks (2021.findings-acl)

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Challenge: Existing datasets that focus on natural language tasks are not considered as a general evaluation benchmark for multimodal tasks.
Approach: They present a general evaluation benchmark for multimodal tasks, GEM 1 . they compare it with existing multimodal vision-language datasets .
Outcome: The proposed model is compared with existing vision-language datasets focusing on natural language tasks . it is the largest vision-linguistic dataset covering image-language tasks and video-language task at the same time .
ManagerTower: Aggregating the Insights of Uni-Modal Experts for Vision-Language Representation Learning (2023.acl-long)

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Challenge: Two-Tower Vision-Language models suffer from ineffective layer-by-layer utilization of uni-modal representations and cannot flexibly exploit different levels of unil-modal knowledge.
Approach: They propose a model architecture that gathers and combines the insights of pre-trained uni-modal experts at different levels to facilitate more comprehensive cross-modal alignment and fusion.
Outcome: The proposed model outperforms baselines with and without Vision-Language Pre-training (VLP) with 4M VLP data.
Learning to Plan by Updating Natural Language (2024.findings-emnlp)

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Challenge: Large Language Models (LLMs) have shown remarkable performance in basic natural language tasks.
Approach: They propose a method that iteratively updates the task plan with new steps and behavioral instructions to guide LLMs to generate the correct solutions step by step.
Outcome: The proposed method improves performance on five reasoning type tasks and can be directly applied to other LLMs.
Low-code LLM: Graphical User Interface over Large Language Models (2024.naacl-demo)

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Challenge: Low-code LLM is a visual programming interface that allows users to incorporate their ideas into the process without writing trivial prompts.
Approach: They propose a human-LLM interaction framework that incorporates low-code visual programming interactions to achieve more controllable and stable responses.
Outcome: The proposed framework enables users to incorporate ideas into the process without writing trivial prompts.
KD-VLP: Improving End-to-End Vision-and-Language Pretraining with Object Knowledge Distillation (2022.findings-naacl)

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Challenge: Existing vision-and-language pretraining approaches rely on external object detectors to encode images in a multi-modal transformer framework.
Approach: They propose an object-aware end-to-end VLP framework which feeds image grid features from CNNs into the Transformer and learns the multi-modal representations jointly.
Outcome: The proposed framework achieves competitive or superior performances on vision-language tasks.
NUWA-XL: Diffusion over Diffusion for eXtremely Long Video Generation (2023.acl-long)

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Challenge: Existing work generates long videos segment by segment sequentially, which is inefficient.
Approach: They propose a Diffusion over Difference architecture for eXtremely Long video generation.
Outcome: The proposed architecture reduces the average inference time from 7.55min to 26s (94.26%) and generates high-quality long videos with both global and local coherence.

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