📝 Update DATASET.md.

Author: HELLORPG

docs/DATASET.md

@@ -4,15 +4,15 @@
 
 - [DanceTrack](https://github.com/DanceTrack/DanceTrack)
 - [SportsMOT](https://github.com/MCG-NJU/SportsMOT)
-- [MOT17](https://motchallenge.net/data/MOT17/)
+- [BFT](https://george-zhuang.github.io/nettrack/)
 - [CrowdHuman](https://www.crowdhuman.org/)
 
 ## Generate GT files
 
-For the MOT17 and CrowdHuman datasets, you’ll need to use the provided script to convert their ground truth files to the format we require:
+For the BFT and CrowdHuman datasets, you’ll need to use the provided script to convert their ground truth files to the format we require:
 
-- For MOT17: [gen_mot17_gts.py](../data/gen_mot17_gts.py)
-- For CrowdHuman: [gen_crowdhuman_gts.py](../data/gen_crowdhuman_gts.py)
+- For BFT: [gen_bft_gts.py](../tools/gen_bft_gts.py)
+- For CrowdHuman: [gen_crowdhuman_gts.py](../tools/gen_crowdhuman_gts.py)
 
 :pushpin: You need to modify the paths in the script according to your requirements.
 
@@ -34,12 +34,14 @@ For the MOT17 and CrowdHuman datasets, you’ll need to use the provided script
   │ ├── train_seqmap.txt
   │ ├── val_seqmap.txt
   │ └── test_seqmap.txt
-  ├── MOT17/
-  │ ├── images/
-  │ │ ├── train/     # unzip from MOT17, you need to delete some files, see the below the instructions
-  │ │ └── test/      # unzip from MOT17
-  │ └── gts/
-  │   └── train/     # generate by ./data/gen_mot17_gts.py
+  ├── BFT/
+  │ ├── train/
+  │ ├── val/
+  │ ├── test/
+  │ ├── annotations_mot/    # used for generate gts for BFT
+  │ ├── train_seqmap.txt
+  │ ├── val_seqmap.txt
+  │ └── test_seqmap.txt
   └── CrowdHuman/
     ├── images/
     │ ├── train/     # unzip from CrowdHuman
@@ -49,8 +51,6 @@ For the MOT17 and CrowdHuman datasets, you’ll need to use the provided script
       └── val/       # generate by ./data/gen_crowdhuman_gts.py
 ```
 
-:warning: Since each video sequence in MOT17 is stored three times, for each training video sequence, you should delete the other two sequences to achieve deduplication. For instance, in my experiment, I only retained the ‘xxx-DPM’ sequences.”
-
 ## Q & A
 
 - Q: Lack the `val_seqmap.txt` file of SportsMOT? </br>