{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://example.invalid/rjy/release/annotation-v1.schema.json",
  "title": "RJY public ERP frame annotation",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema_version",
    "dataset",
    "image_id",
    "image_file",
    "width",
    "height",
    "label_map_file",
    "depth_map_file",
    "instances"
  ],
  "properties": {
    "schema_version": {
      "const": "rjy.release.annotation.v1"
    },
    "dataset": {
      "enum": [
        "360_dataset",
        "360_indoor",
        "osv",
        "pass_dataset",
        "stanford2d3ds",
        "wildpass",
        "pandora"
      ]
    },
    "image_id": {
      "type": "string",
      "minLength": 1
    },
    "image_file": {
      "type": "string",
      "pattern": "^(images|crop_direct|crop_perspective|annotations)/[^/].*$"
    },
    "width": {
      "type": "integer",
      "minimum": 1
    },
    "height": {
      "type": "integer",
      "minimum": 1
    },
    "source": {
      "type": "object"
    },
    "label_map_file": {
      "type": "string",
      "pattern": "^(images|crop_direct|crop_perspective|annotations)/[^/].*$"
    },
    "depth_map_file": {
      "type": "string",
      "pattern": "^(images|crop_direct|crop_perspective|annotations)/[^/].*$"
    },
    "instances": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "instance_id",
          "category",
          "label_id",
          "bbox_parts_xyxy",
          "mask_file",
          "mask_area_pixels",
          "label_map_pixels",
          "fully_occluded_in_label_map",
          "direction"
        ],
        "properties": {
          "instance_id": {
            "type": "string",
            "minLength": 1
          },
          "category": {
            "type": "string",
            "minLength": 1
          },
          "label_id": {
            "type": "integer",
            "minimum": 1,
            "maximum": 65535
          },
          "bbox_parts_xyxy": {
            "type": "array",
            "minItems": 1,
            "maxItems": 2,
            "items": {
              "type": "array",
              "minItems": 4,
              "maxItems": 4,
              "items": {
                "type": "integer",
                "minimum": 0
              }
            }
          },
          "mask_file": {
            "type": "string",
            "pattern": "^(images|crop_direct|crop_perspective|annotations)/[^/].*$"
          },
          "mask_area_pixels": {
            "type": "integer",
            "minimum": 1
          },
          "label_map_pixels": {
            "type": "integer",
            "minimum": 0
          },
          "fully_occluded_in_label_map": {
            "type": "boolean"
          },
          "physical_instance_id": {
            "type": "string"
          },
          "annotation_type": {
            "enum": [
              "crowd_group"
            ]
          },
          "iscrowd": {
            "type": "boolean"
          },
          "exclude_from_instance_training": {
            "type": "boolean"
          },
          "crop_file": {
            "type": "string",
            "pattern": "^(images|crop_direct|crop_perspective|annotations)/[^/].*$"
          },
          "crop_transform": {
            "type": "object",
            "additionalProperties": false,
            "required": [
              "horizontal_roll_pixels",
              "crop_xyxy_in_rolled_erp"
            ],
            "properties": {
              "horizontal_roll_pixels": {
                "type": "integer"
              },
              "crop_xyxy_in_rolled_erp": {
                "type": "array",
                "minItems": 4,
                "maxItems": 4,
                "items": {
                  "type": "integer",
                  "minimum": 0
                }
              }
            }
          },
          "depth": {
            "type": "object",
            "additionalProperties": false,
            "required": [
              "status",
              "unit",
              "sampling",
              "valid_pixels",
              "mask_pixels_at_depth_resolution"
            ],
            "properties": {
              "status": {
                "enum": [
                  "ok",
                  "ok_approximate",
                  "ok_group_shared",
                  "ok_approximate_group_shared",
                  "insufficient_valid_pixels"
                ]
              },
              "unit": {
                "const": "meter"
              },
              "sampling": {
                "type": "string"
              },
              "median": {
                "type": "number"
              },
              "p10": {
                "type": "number"
              },
              "p90": {
                "type": "number"
              },
              "mean": {
                "type": "number"
              },
              "valid_pixels": {
                "type": "integer",
                "minimum": 0
              },
              "mask_pixels_at_depth_resolution": {
                "type": "integer",
                "minimum": 0
              },
              "group_anchor_instance_id": {
                "type": "string"
              },
              "group_member_ids": {
                "type": "array",
                "minItems": 2,
                "items": {
                  "type": "string"
                }
              }
            }
          },
          "caption": {
            "type": "object",
            "additionalProperties": false,
            "required": [
              "text",
              "visible_category",
              "appearance",
              "action_or_pose",
              "facing_direction",
              "occlusion",
              "scene_relation",
              "quality_status",
              "model"
            ],
            "properties": {
              "text": {
                "type": "string",
                "minLength": 1
              },
              "visible_category": {
                "type": "string"
              },
              "appearance": {
                "type": "string"
              },
              "action_or_pose": {
                "type": "string"
              },
              "facing_direction": {
                "type": "string"
              },
              "occlusion": {
                "type": "string"
              },
              "scene_relation": {
                "type": "string"
              },
              "visibility_caution": {
                "type": "boolean"
              },
              "quality_status": {
                "type": "string"
              },
              "model": {
                "type": "string",
                "minLength": 1
              }
            }
          },
          "direction": {
            "type": "object",
            "additionalProperties": false,
            "required": [
              "pixel_uv",
              "center_source",
              "yaw_deg",
              "pitch_deg",
              "absolute_direction"
            ],
            "properties": {
              "pixel_uv": {
                "type": "array",
                "minItems": 2,
                "maxItems": 2,
                "items": {
                  "type": "number"
                }
              },
              "center_source": {
                "const": "refined_circular_bbox_center"
              },
              "yaw_deg": {
                "type": "number"
              },
              "pitch_deg": {
                "type": "number"
              },
              "absolute_direction": {
                "enum": [
                  "top-front",
                  "top-right",
                  "top-back",
                  "top-left",
                  "middle-front",
                  "middle-right",
                  "middle-back",
                  "middle-left",
                  "bottom-front",
                  "bottom-right",
                  "bottom-back",
                  "bottom-left"
                ]
              }
            }
          },
          "crop_perspective_file": {
            "type": "string",
            "pattern": "^(images|crop_direct|crop_perspective|annotations)/[^/].*$"
          }
        },
        "allOf": [
          {
            "if": {
              "properties": {
                "iscrowd": {
                  "const": true
                }
              },
              "required": [
                "iscrowd"
              ]
            },
            "then": {
              "required": [
                "annotation_type",
                "exclude_from_instance_training"
              ],
              "not": {
                "anyOf": [
                  {
                    "required": [
                      "crop_file"
                    ]
                  },
                  {
                    "required": [
                      "crop_transform"
                    ]
                  },
                  {
                    "required": [
                      "depth"
                    ]
                  },
                  {
                    "required": [
                      "caption"
                    ]
                  }
                ]
              }
            },
            "else": {
              "required": [
                "crop_file",
                "crop_transform",
                "depth",
                "caption"
              ]
            }
          }
        ]
      }
    }
  }
}