Update README.md

README.md

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 This is the official website for raw video dataset used in the paper [VSViG: Real-time Video-based Seizure Detection via Skeleton-based Spatiotemporal ViG](https://arxiv.org/pdf/2311.14775.pdf), which is accepted by ECCV2024.
 
-The detailed data description and annotation will be added soon! 
+The `Label.xlsx` file shows labels about time of EEG onset and clnical onset annotated by clinical experts for each seizure. 
 
-The project homepage is available at [here](https://github.com/xuyankun/VSViG).
+EEG onset means abnormalities appear in EEG recodrings, sometimes it cannot cause behavioral symptoms, while clinical onset is defined by obvious behavioral abnoramlities can be detected. 
 
+The seizure type _P_ means partial seizure, known as focal seizure, and _PG_ means Partial to Generalized seizure which is more severe and lasts longer.  
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+In order to preserve pravicy of patients and their families, we have to mask patients' face. However, this operation leads to sutle characteristcs/motions on face, which is hardly to detect the seizure onset early. We present the EEG onset and clinical onset time based on our raw non-mosaic video, so if you want to use this dataset, you can redefine the EEG/clinical onset based on your scenarios. 
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+Last, we will add more patients in the future.
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+The project homepage is available at [here](https://github.com/xuyankun/VSViG).