A technical or academic paper about "Deep Learning" or "3D Ring Artifacts" in imaging (e.g., this study on 3D CNNs ).
A specific "Deep" rendering style or texture applied to a 3D character like Tamaki. [3D] Tamaki (Ring) – NekoPoi
In the field of 3D imaging and computer vision, "Ring Artifacts" are common errors that researchers use to fix. A technical or academic paper about "Deep Learning"
Which of these interpretations were you looking for, or were you referring to something else entirely? Which of these interpretations were you looking for,
Researchers often use 3D Convolutional Neural Networks (CNNs), like the U-Net architecture, to "paint over" or remove these ring-shaped defects in 3D scans.
If you were actually looking for information regarding a specific or character model from NekoPoi , please let me know, as that would fall under a very different category of content.