If you can provide the of the paper or the author's last name , I can help you track down the specific technical details or the source of the collection!
Because this sounds like a very specific reference—likely a dataset used in a computer vision, forensic, or medical imaging study—I couldn't find a direct public match in general search results. To help you better, could you clarify a few details?
(e.g., Deepfakes, Handwritten Digit Recognition, Medical Scans?)
