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sugam24/
geonusaf-stage1-maskddpm-block-fold0

Name: geonusaf-stage1-maskddpm-block-fold0
Availability: InStock

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GeoNUSAF Stage 1 - unconditional land-use mask DDPM (block fold 0)

Generates novel Kathmandu Valley land-use layouts as single-channel masks. Trained on the fold-0 TRAIN tiles only; validation tiles never enter a gradient.

field	value
architecture	diffusers UNet2DModel, 74.1 M params
label coding	binary, 3 channels, 7 codes (SatSynth)
diffusion	DDPM T=1000, linear beta, epsilon
sampling	DDIM 200 steps, eta 0.0
resolution	trained 128, exported 512 (INTER_NEAREST)
split	block fold 0, train_sha1 8326a723515b
seed	42
epochs	548
KL(real\|\|gen)	0.16374
illegal-code rate	0.00665

Output contract (Stage 2 input)

genmask{i}.png, single channel, 512x512, values {0..5} + 255 for ignore.

Thin-class connectivity (generated vs real)

class	frag gen	frag real	ratio	verdict
Road	285.119	5.474	52.09	FAIL
River	121.451	5.798	20.95	FAIL

sugam24/geonusaf-stage1-maskddpm-block-fold0

GeoNUSAF Stage 1 - unconditional land-use mask DDPM (block fold 0)

Output contract (Stage 2 input)

Thin-class connectivity (generated vs real)

sugam24/
geonusaf-stage1-maskddpm-block-fold0