Update README.md

README.md

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-license: cc-by-4.0
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+---
+license: cc-by-4.0
+---
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+For IQA and IAA, we use AVA, TAD66K, Koniq-10k, livec and spaq datasets, which are captured in the **real world**. For UGC assessment, we propose the RealQA dataset.   
+📚 All image related data can be loaded in this repo.  
+📚 The training and test conversation template can be found in the [hugging face](https://huggingface.co/datasets/MingxingLi/RealQA-conversation).
+
+
+```bash
+unzip dataset_split.zip
+```
+
+> The unzip program will intelligently recognize that dataset_split.zip is the first part of a multi-volume compressed package, and then it will automatically search for subsequent volumes such as dataset_split.z01 in the same directory, merge them together, and finally decompress the original complete dataset.zip file.