diff --git a/README.md b/README.md
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+++ b/README.md
@@ -1,7 +1,18 @@
 # KCC
 Kernel Cross-Correlator
 
+This repo containts the source codes for paper which is accepted by AAAI-18:
 
-Tracker:
+Chen Wang, Le Zhang, Lihua Xie, Junsong Yuan, Kernel Cross-Correlator, In AAAI Conference on Artificial Intelligence (AAAI-18), 2018
 
-    https://sites.google.com/site/trackerbenchmark/benchmarks/v10
+There are two experiments in the paper, i.t. visual tracking, human activity recognition using wearable devices, which are contained in the independent folders, respectively.
+
+If you find this repo is useful for your projects, please cite it as:
+
+
+@article{wang2017kernel,
+  title={Kernel Cross-Correlator},
+  author={Wang, Chen and Zhang, Le and Xie, Lihua and Yuan, Junsong},
+  journal={arXiv preprint arXiv:1709.05936},
+  year={2017}
+}
diff --git a/tracking/README.md b/tracking/README.md
new file mode 100644
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--- /dev/null
+++ b/tracking/README.md
@@ -0,0 +1,8 @@
+# KCC
+Visual Tracking Using Kernel Cross-Correlator
+
+
+This tracker can be inerted into the tracker benchmark directly:
+
+    https://sites.google.com/site/trackerbenchmark/benchmarks/v10
+