Papers › DePlot: One-shot visual language reasoning by plot-to-table translation
DePlot: One-shot visual language reasoning by plot-to-table translation
Fangyu Liu, Julian Martin Eisenschlos, Francesco Piccinno, Syrine Krichene, Chenxi Pang, Kenton Lee, Mandar Joshi, Wenhu Chen, Nigel Collier, Yasemin Altun
Visual language such as charts and plots is ubiquitous in the human world. Comprehending plots and charts requires strong reasoning skills. Prior state-of-the-art (SOTA) models require at least tens of thousands of training examples and their reasoning capabilities are still much limited, especially on complex human-written queries. This paper presents the first one-shot solution to visual language reasoning. We decompose the challenge of visual language reasoning into two steps: (1) plot-to-text translation, and (2) reasoning over the translated text. The key in this method is a modality conversion module, named as DePlot, which translates the image of a plot or chart to a linearized table. The output of DePlot can then be directly used to prompt a pretrained large language model (LLM), exploiting the few-shot reasoning capabilities of LLMs. To obtain DePlot, we standardize the plot-to-table task by establishing unified task formats and metrics, and train DePlot end-to-end on this task. DePlot can then be used off-the-shelf together with LLMs in a plug-and-play fashion. Compared with a SOTA model finetuned on more than >28k data points, DePlot+LLM with just one-shot prompting achieves a 24.0% improvement over finetuned SOTA on human-written queries from the task of chart QA.
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Code
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Tasks
Results from the paper archive 2025-07-28
| Task | Dataset | Model | Metric | Value | Rank at snapshot | Leaderboard | Report |
|---|---|---|---|---|---|---|---|
| Chart Question Answering | ChartQA | DePlot+FlanPaLM+Codex (PoT Self-Consistency) | 1:1 Accuracy | 79.3 | #3 of 27 | Archive leaderboard | report |
| Chart Question Answering | ChartQA | DePlot+Codex (PoT Self-Consistency) | 1:1 Accuracy | 76.7 | #5 of 27 | Archive leaderboard | report |
| Chart Question Answering | ChartQA | DePlot+FlanPaLM (Self-Consistency) | 1:1 Accuracy | 70.5 | #13 of 27 | Archive leaderboard | report |
| Chart Question Answering | ChartQA | DePlot+FlanPaLM (CoT) | 1:1 Accuracy | 67.3 | #16 of 27 | Archive leaderboard | report |
| Chart Question Answering | ChartQA | DePlot+GPT3 (Self-Consistency) | 1:1 Accuracy | 42.3 | #26 of 27 | Archive leaderboard | report |
| Chart Question Answering | ChartQA | DePlot+GPT3 (CoT) | 1:1 Accuracy | 36.9 | #27 of 27 | Archive leaderboard | report |
| Chart Question Answering | PlotQA | DePlot+FlanPaLM+Codex (PoT Self-Consistency) | 1:1 Accuracy | 66.6 | #3 of 6 | Archive leaderboard | report |
| Factual Inconsistency Detection in Chart Captioning | CHOCOLATE-FT | DePlot + GPT-4 | Kendall's Tau-c | 0.109 | #5 of 5 | Archive leaderboard | report |
| Factual Inconsistency Detection in Chart Captioning | CHOCOLATE-LLM | DePlot + GPT-4 | Kendall's Tau-c | 0.117 | #2 of 5 | Archive leaderboard | report |
| Factual Inconsistency Detection in Chart Captioning | CHOCOLATE-LVLM | DePlot + GPT-4 | Kendall's Tau-c | 0.129 | #3 of 5 | Archive leaderboard | report |
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