{
  "vest": {
    "landmarks": {
      "2": {
        "predefined": true,
        "description": "neck_left_outer",
        "x": 83,
        "y": 15
      },
      "7": {
        "predefined": true,
        "description": "shoulder_left_top",
        "x": 58,
        "y": 25
      },
      "8": {
        "predefined": true,
        "description": "side_seam_left_upper",
        "x": 59,
        "y": 70
      },
      "14": {
        "predefined": true,
        "description": "side_seam_right_upper",
        "x": 141,
        "y": 70
      },
      "15": {
        "predefined": true,
        "description": "shoulder_right",
        "x": 143,
        "y": 25
      },
      "16": {
        "predefined": false,
        "description": "custom_landmark",
        "x": 81.31600189208984,
        "y": 163.8759002685547,
        "derivation": {
          "function": "derive_keypoint_coord",
          "p1_id": "2",
          "p2_id": "4",
          "p3_id": "11",
          "p4_id": "10",
          "p5_id": "12",
          "direction": "parallel"
        },
        "neighbors": {
          "10": {
            "predefined": true,
            "description": "hem_left",
            "x": 55,
            "y": 160
          },
          "11": {
            "predefined": true,
            "description": "hem_center",
            "x": 99,
            "y": 165
          }
        }
      }
    },
    "measurements": {
      "front length": {
        "landmarks": {
          "start": "2",
          "end": "16"
        },
        "description": "16: intersection of vertical line from 2 to bottom contour"
      },
      "back width": {
        "landmarks": {
          "start": "7",
          "end": "15"
        },
        "description": "/"
      },
      "chest": {
        "landmarks": {
          "start": "8",
          "end": "14"
        },
        "description": "/"
      }
    }
  }
}