Read-only comparison on the same 16 RAW frames. Green = R3 automatic; blue = R3 manual; turquoise = R4.1 optical proposal; orange = unresolved; red = saturation. These candidates are NOT independent proof of physical contact. Clinical AREA ENGINE and patient report remain unchanged.
R3 | original
R4.1 | proposed (comparison only)
Heel / forefoot | R3
Heel / forefoot | R4.1
Research pixels only; do not use for clinical Arch Index. All original masks, operator corrections, data on disk and all other Tilda blocks stay unchanged.