Pranilllllll/geonusaf-segNext-block-fold1

GeoNUSAF - SegNeXt-T - block split, fold 1

Kathmandu Valley land-use segmentation, 6 classes, ignore_index=255.

field	value
architecture	MSCAN-T encoder + LightHamHead decoder (SegNeXt, NeurIPS 2022)
encoder init	ImageNet-1K, 100.0% of tensors loaded
params	4.23 M
head fuse stride	8 (stages [1, 2, 3])
NMF rank / steps	R=16, 6 train / 7 eval
split mode	block
fold	1 of 3
seed	42
input	512x512, ImageNet norm, effective GSD 0.586 m/px
classes	Residential, Road, River, Forest, UnusedLand, Agricultural
lr (head/encoder)	0.0006 / 6e-05
regularization	wd 0.01, drop_path 0.1, smooth 0.05, EMA True
best epoch	148
val mIoU	0.5701
val mF1	0.7091
val OA	0.8355
val kappa	0.6994

Per-class (validation)

class	IoU	F1
Residential	0.8573	0.9232
Road	0.4698	0.6392
River	0.4783	0.6471
Forest	0.7372	0.8487
UnusedLand	0.3054	0.4679
Agricultural	0.5727	0.7283

best.pt holds model_state (EMA weights when EMA is on), arch (the dict needed to rebuild the network), the run cfg, and metrics. Rebuild with segnext_model.py from this same repo. Model code derives from Visual-Attention-Network/SegNeXt (Apache-2.0).