One question about generate BU4DFE-S fromB U4DFE dataset

[Jade999]

hi,
I am confused about the script "BU4DFEReader.m", line 71-72

                rgb_files = GetFiles(obj, Path, '*.jpg');  
                depth_files = GetFiles(obj, Path, '*.wrl');
                lm_files = GetFiles(obj, Path, '*.bnd');  

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can you tell me how to generate " .bnd" in BU4DFE datasets，I didn't see any ".bnd“ file in BU4DFE person directory when I unzip it .

thank you very much!