Api Endpoint

HALOWERK Medien

Solves for the rigid transform between an object's coordinate frame and the camera, given 3D landmark coordinates, where those landmarks appear in the image, and the camera matrix and distortion. Returns the rotation and translation together with the reprojection RMSE, so a caller can tell a well-constrained pose from one that merely converged. This is the standard step for placing a known object in a scene or locating a camera against a known marker.

Open interactive test console

Offering

Provider
medien.halowerk.com
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Data
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://medien.halowerk.com/v1/oss-opencv-landmark-camera-pose
MIME type
application/json
First seen
2026-10-16T03:02:07.735Z
Last seen
Tags
oss, opencv, p009

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.002 USDC
Atomic price: 2000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E"
  }
]

Observed health

Status
Healthy
Latest latency
320 ms
Average latency
767 ms
HTTP status
204
Last checked
Reachability
100% over 7 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "POST",
        "PUT",
        "PATCH"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "type": "object",
      "properties": {
        "object_points": {
          "type": "array",
          "items": {
            "type": "array",
            "items": {
              "type": "number",
              "minimum": -1000000000,
              "maximum": 1000000000
            },
            "minItems": 3,
            "maxItems": 3
          },
          "minItems": 6,
          "maxItems": 2048
        },
        "image_points": {
          "type": "array",
          "items": {
            "type": "array",
            "items": {
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              "minimum": -1000000000,
              "maximum": 1000000000
            },
            "minItems": 2,
            "maxItems": 2
          },
          "minItems": 6,
          "maxItems": 2048
        },
        "camera_matrix": {
          "type": "array",
          "items": {
            "type": "array",
            "items": {
              "type": "number",
              "minimum": -1000000000,
              "maximum": 1000000000
            },
            "minItems": 3,
            "maxItems": 3
          },
          "minItems": 3,
          "maxItems": 3
        },
        "distortion": {
          "type": "array",
          "items": {
            "type": "number",
            "minimum": -1000000000,
            "maximum": 1000000000
          },
          "minItems": 5,
          "maxItems": 5
        }
      },
      "required": [
        "object_points",
        "image_points",
        "camera_matrix",
        "distortion"
      ],
      "additionalProperties": false,
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "description": "Numeric JSON arrays only. Additionally enforce equal paired dimensions, nondegenerate geometry, maximum 32768 pixels/image, 131072 scalars/array, and 1048576 encoded bytes. No paths or network resources."
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
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          "description": "Numeric JSON arrays only. Additionally enforce equal paired dimensions, nondegenerate geometry, maximum 32768 pixels/image, 131072 scalars/array, and 1048576 encoded bytes. No paths or network resources.",
          "properties": {
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              "type": "array"
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                "minimum": -1000000000,
                "type": "number"
              },
              "maxItems": 5,
              "minItems": 5,
              "type": "array"
            },
            "image_points": {
              "items": {
                "items": {
                  "maximum": 1000000000,
                  "minimum": -1000000000,
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                },
                "maxItems": 2,
                "minItems": 2,
                "type": "array"
              },
              "maxItems": 2048,
              "minItems": 6,
              "type": "array"
            },
            "object_points": {
              "items": {
                "items": {
                  "maximum": 1000000000,
                  "minimum": -1000000000,
                  "type": "number"
                },
                "maxItems": 3,
                "minItems": 3,
                "type": "array"
              },
              "maxItems": 2048,
              "minItems": 6,
              "type": "array"
            }
          },
          "required": [
            "object_points",
            "image_points",
            "camera_matrix",
            "distortion"
          ],
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST",
            "PUT",
            "PATCH"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "additionalProperties": false,
          "properties": {
            "operation": {
              "const": "landmark-camera-pose"
            },
            "result": {
              "additionalProperties": false,
              "properties": {
                "reprojection_rmse_pixels": {
                  "minimum": 0,
                  "type": "number"
                },
                "rotation": {
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                    "minItems": 3,
                    "type": "array"
                  },
                  "maxItems": 3,
                  "minItems": 3,
                  "type": "array"
                },
                "translation": {
                  "items": {
                    "type": "number"
                  },
                  "maxItems": 3,
                  "minItems": 3,
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                },
                "warnings": {
                  "items": {
                    "maxLength": 1024,
                    "type": "string"
                  },
                  "maxItems": 8,
                  "minItems": 1,
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                }
              },
              "required": [
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                "warnings"
              ],
              "type": "object"
            },
            "runtime_ms": {
              "minimum": 0,
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            },
            "upstream": {
              "additionalProperties": false,
              "properties": {
                "binary_sha256": {
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                },
                "components": {
                  "const": [
                    "solvePnP",
                    "Rodrigues",
                    "projectPoints"
                  ]
                },
                "numpy_version": {
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                },
                "package_version": {
                  "const": "4.13.0.92"
                },
                "project": {
                  "const": "OpenCV"
                },
                "version": {
                  "const": "4.13.0"
                }
              },
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                "binary_sha256",
                "numpy_version",
                "components"
              ],
              "type": "object"
            }
          },
          "required": [
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          ],
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        },
        "type": {
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      },
      "required": [
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      "type": "object"
    }
  },
  "required": [
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  "type": "object"
}