Building Footprint Segmentation

import { geoai } from "@geobase-js/geoai";
 
// Initialize pipeline
const pipeline = await geoai.pipeline(
  [{ task: "building-footprint-segmentation" }],
  providerParams
);
 
// Run segmentation
const result = await pipeline.inference({
  inputs: { polygon: myPolygon },
  postProcessingParams: {
    confidenceThreshold: 0.5,
    minArea: 20, // Minimum number of pixels, the unit of area depends on the zoom level.
  },
});
 
console.log(
  `Extracted ${result.detections.features.length} building footprints`
);

postProcessingParams: {
  confidenceThreshold: 0.5,  // Confidence range (0.0-1.0)
  minArea: 20               // Minimum building area
}

mapSourceParams: {
  zoomLevel: 20; // 20+ recommended for precise boundaries
}

{
  detections: {
    type: "FeatureCollection",
    features: [
      {
        geometry: { /* precise building polygon */ },
        properties: {}
      }
    ]
  }
}