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GitOrigin-RevId: d8caa66de45839696f5bd0786ad3bfbcb9cff632

mediapipe/modules/objectron/calculators/camera_parameters.proto

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+// Copyright 2020 The MediaPipe Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto2";
+
+package mediapipe;
+
+message CameraParametersProto {
+  // This number is non-negative, it represents camera height above ground
+  // normalized by focal length.
+  optional float height_above_ground = 1 [default = 100.0];
+  // Width of image in portrait orientation normalized by focal length
+  optional float portrait_width = 2 [default = 1.0103];
+  // Height of image in portrait orientation normalized by focal length
+  optional float portrait_height = 3 [default = 1.3435];
+  enum ImageOrientation {
+    PORTRAIT_ORIENTATION = 0;
+    LANDSCAPE_ORIENTATION = 1;
+  }
+  // The input image orientation
+  optional ImageOrientation image_orientation = 4
+      [default = PORTRAIT_ORIENTATION];
+
+  // This defines the projection method from 2D screen to 3D.
+  enum ProjectionMode {
+    UNSPECIFIED = 0;
+    // Projects 2D point to ground plane (horizontal plane).
+    GROUND_PLANE = 1;
+    // Projects 2D point to sphere.
+    SPHERE = 2;
+  }
+  optional ProjectionMode projection_mode = 5 [default = GROUND_PLANE];
+  // Radius of sphere when using the SPHERE projection mode above.
+  // The value is normalized by focal length.
+  optional float projection_sphere_radius = 6 [default = 100.0];
+}