@article{refchartqagroundingvisualansweronchart, title = {RefChartQA: Grounding Visual Answer on Chart Images through Instruction Tuning}, author = {Alexander Vogel and Omar Moured and Yufan Chen and Jiaming Zhang and Rainer Stiefelhagen}, year = {2025}, eprint = {2503.23131}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2503.23131v1}, }