Update README.md

README.md

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 U2UData-2 also introduces an LH task for **wildlife conservation** and provides comprehensive benchmarks with 9 SOTA models. 
 U2UData-2 can be found at https://fengtt42.github.io/U2UData-2/.
 
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 ## Dataset Size
 Since the entire dataset is **3.6T** in total, we only upload the dataset for one scenario, which is **252G** in total. 
@@ -36,6 +37,7 @@ If you need the full dataset, you can send an email to obtain the Baidu Cloud li
 PPM is a binary image format. If you need PNG format, we provide conversion code, which you can download and convert by yourself.
 I have full parameter information for each trajectory. If you need other parameter information, such as IMU, detailed drone parameters, etc., you can contact me by email at any time.
 
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 ## Cite
 @inproceedings{feng2025u2udata2scalableswarmuavs,
@@ -45,5 +47,7 @@ I have full parameter information for each trajectory. If you need other paramet
       url={https://arxiv.org/abs/2509.00055}
 }
 
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 ## Web Link
 https://fengtt42.github.io/U2UData-2/