initial structure implemented

docs -> _docs

models/core/camera_parameters.py

@@ -0,0 +1,18 @@
+from typing import Optional
+from pydantic import BaseModel
+
+
+class CameraParameters(BaseModel):
+    focal_length: float
+    sensor_width: float
+    sensor_height: float
+    resolution_width: int
+    resolution_height: int
+    principal_point: tuple[float, float] | None = None
+    distortion_coefficients: list[float] | None = None
+
+    def get_principal_point(self) -> tuple[float, float]:
+        if self.principal_point:
+            return self.principal_point
+        return (self.resolution_width / 2.0, self.resolution_height / 2.0)
+