It belongs to a family of techniques known as time series to image (TS2I) transformations, which convert one-dimensional signals into two-dimensional pictures.

SPIRAL: A Novel Time Series to Image (TS2I) Transformation Method for Vision-Based Anomaly Detection.

Spiral Images Turn Time Series Into a Feast for Pretrained Vision Models.

“Spiral Images Turn Time Series Into a Feast for Pretrained Vision Models.”

“Spiral Images Turn Time Series Into a Feast for Pretrained Vision Models.”