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README.md

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 # SCD-Net
-## An new SOTA method for Unsupervised Skeleton-based Action Understanding
-(Code will be published soon!)
+The Official implementation for  'SCD-Net: Spatiotemporal Clues Disentanglement Network for Self-supervised Skeleton-based Action Recognition' (AAAI 2024).
+
+
+- [Prerequisite](#Prerequisite)
+- [Data](#Data)
+- [Training&Testing](#Training&Testing)
+- [Log files](#Log)
+
+
+<a name="Prerequisite"></a>
+
+# Prerequisite
+
+- Pytorch
+
+- We provided requirement file to install all packages, just by running
+
+
+`pip install -r requirements.txt`
+
+
+<a name="Data"></a>
+
+# Data
+
+## Generate the  data 
+
+**Download the raw data**
+
+- [NTU-RGB+D](https://rose1.ntu.edu.sg/dataset/actionRecognition/). 
+- [PKU-MMD](https://www.icst.pku.edu.cn/struct/Projects/PKUMMD.html).
+
+**Preprocess**
+
+- Preprocess data with `python ntu_gendata.py`.
+
+
+<a name="Training&Testing"></a>
+
+# Training&Testing
+
+## Training 
+
+- To train on NTU-RGB+D 60 under Cross-Subject evaluation, you can run
+
+
+    python ./pretraining.py --lr 0.01 --batch-size 64 --encoder-t 0.2   --encoder-k 8192 \
+                --checkpoint-path ./checkpoints/pretrain/ \
+                --schedule 351  --epochs 451  --pre-dataset ntu60 \
+                --protocol cross_subject --skeleton-representation joint
+
+## Testing 
+
+
+- For action recognition on NTU-RGB+D 60 under Cross-Subject evaluation, you can run
+
+
+    python ./action_classification.py --lr 2 --batch-size 1024 \
+                --pretrained ./checkpoints/pretrain/checkpoint.pth.tar \
+                --finetune-dataset ntu60 --protocol cross_subject --finetune_skeleton_representation joint
+
+- For action retrieval on NTU-RGB+D 60 under Cross-Subject evaluation, you can run
+
+
+    python ./action_retrieval.py --knn-neighbours 1 \
+                --pretrained ./checkpoints/pretrain/checkpoint.pth.tar \
+                --finetune-dataset ntu60 --protocol cross_subject --finetune-skeleton-representation joint
+
+<a name="Log"></a>
+
+# Log files
+
+We also provided some the testing logs in ./log