UniChart: A Universal Vision-language Pretrained Model for Chart Comprehension and Reasoning (2023.emnlp-main)
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| Challenge: | Existing methods for chart-based data analysis neglect explicit modeling of chart structures. |
| Approach: | They propose a pretrained model for chart comprehension and reasoning that encodes relevant text, data, and visual elements of charts and uses a chart-grounded text decoder for text generation. |
| Outcome: | The proposed model outperforms existing methods that lack explicit modeling of chart structures and lacks explicit modeling. |
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