metrics about region captioning

[Hoteryoung]

I evaluated the VQA and scene cls tasks on the model fine-tuned using GeoChatInstruct, and the results are pretty close to the metrics reported in the paper, however, the region captioning result is a bit far from the paper.
The official evaluation result:

My result:

Note that:

1. I finetuned the model only the first stage, which means I finetuned the LLaVA-v1.5-7b using GeoChatInstruct for only one epoch, and I did not further fine-tune the model using only referring and grounding samples since the lack of details in the paper about the stage 2 fientune.
2. I used the evaluate package of HuggingFace.

I wonder whether I did something wrong or the metric gap is caused by the stage2 finetune?

[Davidup1]

@Hoteryoung I also met this problem and the metric fell even lower after stage2 finetune😂

[Oreouo]

Could you show me the code for calculating the metrics of your referring?