DED coaxial melt-pool frame -> linear laser energy level P1-P4 (4-class image classification). Category B, task T-B2, in the unified Smart-Manufacturing SFT schema.
62,194 records (train=62,194). Model input: a single coaxial VIS melt-pool image (590x480), bytes embedded in the image column.
Unified SFT schema (7 fields)