The UVG (Ultra Video Group) provides widely cited 4K RAW sequences for video coding and vision tasks.
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 .
Large files are often split to bypass server-side file size restrictions. 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
For 4K shadow masks and recovery methods, see the resources from the LaSOT dataset team . The UVG (Ultra Video Group) provides widely cited
If you are looking for the original research paper associated with this 4K benchmark for training or evaluation, it is published in . Key Paper Details The official paper for the UETT4K benchmark is:
4K video frames require massive storage space. UETT4K Anti-UAV: A Large Scale 4K Benchmark Dataset
If you'd like, I can help you the UETT4K paper in a specific format (like BibTeX) or find the extraction command for your split .7z files.