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  "Title": "Estimate 3D Orientations from 2D Landmarks",
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  "Description": "Estimates possible 3D orientations of an object from the\n2D image coordinates of two landmarks and an approximate\ncamera-object elevation angle. Because a projected 2D angle can\nbe compatible with multiple 3D pitch, yaw, and view-elevation\nangles, the package returns compatible sets of orientations\nrather than a single unconstrained estimate.",
  "License": "GPL (>= 3)",
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  "Author": "João C T Menezes [aut, cre, cph] (ORCID:\n<https://orcid.org/0000-0003-4156-2934>)",
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      "title": "Plot angle conventions",
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      "title": "Convert degrees to radians, and vice versa",
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      "title": "Download the precomputed simulation dataset",
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      "title": "Find combinations of 3D orientations that project to an observed 2D pitch",
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        "find.pitch",
        "find.yaw"
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        "Rz"
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      "title": "Summarize yaw angles into the smallest continuous interval",
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      "page": "trim.yaws",
      "title": "Trim candidate yaw sets by directional separation",
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        "Step 3: adding known view elevation",
        "Step 4: adding approximate yaw",
        "Step 5: calculating gape angle",
        "What if I'm interested in yaw?",
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