Smaller chunks reduce the risk of a full download failing.
For the "DVL2021" authentically distorted 4K dataset, refer to the paper "An ultra high definition video dataset for perceptual quality study" in Journal of Visual Communication and Image Representation . BT-4K.7z.002
UETT4K Anti-UAV: A Large Scale 4K Benchmark Dataset for Vision-based Drone Detection in High-Resolution Imagery Journal: IEEE Access (2025) DOI: 10.1109/ACCESS.2025.3562890 Why the File is Split Smaller chunks reduce the risk of a full download failing
💡 You must have all parts (BT-4K.7z.001, BT-4K.7z.002, etc.) in the same folder to extract the contents. Related 4K Vision Research BT-4K.7z.002
If your file is part of a different project, these are the other major papers involving 4K UHD datasets:
Multi-part archives (like .001 , .002 ) are common for 4K datasets because: