File size: 1,503 Bytes
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"purpose": "measured operating envelope of the DINOv3 vision layer",
"validated_against": "GHS-POP (never seen by the model)",
"criterion": "Spearman rho(population density, BUILT fraction) > 0.25 within the band",
"bands": [
{
"lo": -90,
"hi": -45,
"n": 424,
"rho": 0.8678,
"trusted": true
},
{
"lo": -45,
"hi": -23,
"n": 4856,
"rho": 0.7308,
"trusted": true
},
{
"lo": -23,
"hi": 0,
"n": 10061,
"rho": 0.699,
"trusted": true
},
{
"lo": 0,
"hi": 23,
"n": 14621,
"rho": 0.8491,
"trusted": true
},
{
"lo": 23,
"hi": 45,
"n": 21183,
"rho": 0.7943,
"trusted": true
},
{
"lo": 45,
"hi": 55,
"n": 9962,
"rho": 0.774,
"trusted": true
},
{
"lo": 55,
"hi": 60,
"n": 4154,
"rho": 0.314,
"trusted": true
},
{
"lo": 60,
"hi": 66,
"n": 3719,
"rho": -0.039,
"trusted": false
},
{
"lo": 66,
"hi": 90,
"n": 2052,
"rho": 0.1873,
"trusted": false
}
],
"trusted_bands": [
[
-90,
-45
],
[
-45,
-23
],
[
-23,
0
],
[
0,
23
],
[
23,
45
],
[
45,
55
],
[
55,
60
]
],
"population_share_inside_envelope": 0.9955,
"policy": "Outside the trusted bands the imagery-derived class is not used. FR-17b falls back to the ground datasets, and reports UNEVALUATED if those cannot characterise the cell either. The layer is never silently trusted where we have measured that it fails."
} |