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    "story_id": "mp-2026-10-16-019",
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    "headline": "Color Separates Buses That Shape Alone Confuses",
    "slug": "color-separates-buses-that-shape-alone-confuses",
    "dek": "A frozen vision model and HSV histograms cluster 7,972 Mexico City bus images without labels.",
    "summary": "A frozen vision model and HSV histograms cluster 7,972 Mexico City bus images without labels.",
    "body_text": "A 65/35 blend of morphological and color features produced 14 clusters and improved precision for the target public-bus group over morphology alone. The result comes from one road-camera dataset and does not establish route identity or citywide monitoring performance.",
    "why_it_matters": "A frozen vision model and HSV histograms cluster 7,972 Mexico City bus images without labels.",
    "limitations": [
      "The result comes from one road-camera dataset and does not establish route identity or citywide monitoring performance."
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        "qualification": "The result comes from one road-camera dataset and does not establish route identity or citywide monitoring performance."
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    "tags": [
      "computer vision",
      "public transport",
      "unsupervised learning"
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      "source_id": "source-2026-10-16-021",
      "title": "arXiv preprint 2610.22270, original v1",
      "publisher": "arXiv / submitting research authors",
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      "published_at": "2026-10-15T13:34:47.000-04:00",
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  "cite_this_report": {
    "title": "Color Separates Buses That Shape Alone Confuses",
    "publisher": "The Machine Press",
    "published_at": "2026-10-16T09:00:00.000-04:00",
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