python track_half.py mot --load_model "../exp/mot/$EXP_ID/model_30.pth" --conf_thres 0.4 --val_mot17 --exp_id "$EXP_ID" --arch "$ARCH" --past_length 10 --future_length 2 --forecast --no_kf --use_embedding >> "$EXP_ID.txt"
where can I get this model_30.pth for MOT17?