Update README.md

README.md

@@ -3,6 +3,8 @@ license: cc-by-nc-4.0
 tags:
 - 3d-reconstruction
 - photogrammetry
+task_categories:
+- image-to-3d
 ---
 
 # EAH Dataset
@@ -19,4 +21,68 @@ Using a DJI Mavic Pro 2 drone, multiple videos were recorded of the three buildi
   <img src="https://cdn-uploads.huggingface.co/production/uploads/6331b00ab7b8e9d6e89a5dc0/PpckOkXQsSvaPA71z1Snq.webp" width="512">
   <br>
   <em>Figure 1: Visualization of all three building reconstructions, including rendered camera positions and example comparisons between real images and their corresponding rendered views.</em>
-</p>
+</p>
+
+## Example: camera.json
+This file contains the orientation for each camera:
+```json
+[
+    {
+        "name": "2023-12-16_H123_S00_frame_000000",
+        "matrix": [
+            [
+                -0.36218704547169456,
+                0.0470962303839341,
+                -0.02439450093992581,
+                4.864710171746611
+            ],
+            [
+                -0.011334934698936936,
+                -0.2331992996061323,
+                -0.28192589171372706,
+                7.814374531518212
+            ],
+            [
+                -0.05181376118229091,
+                -0.2781953167233997,
+                0.2321966890489866,
+                -15.199963535169367
+            ],
+            [
+                0.0,
+                0.0,
+                0.0,
+                1.0
+            ]
+        ]
+    },
+    ...
+```
+
+## Example: meta.json
+This file contains the capture time range (start and end timestamps), the mesh center position (latitude and longitude) for each building, and the corresponding camera properties.
+```json
+{
+    "building": "123",
+    "time": {
+        "start": "2023-12-16T14:04:30Z",
+        "end": "2023-12-16T14:47:00Z"
+    },
+    "position": {
+        "latitude": 50.918489,
+        "longitude": 11.568956
+    },
+    "camera" : {
+        "width": 3840,
+        "height": 2160,
+        "f": 3099.1976427399018,
+        "cx":-7.400794341491066,
+        "cy":-25.280509058365258,
+        "k1":-0.0027277484561097185,
+        "k2":0.013177854331186076,
+        "k3":-0.010827747284070439,
+        "p1":-0.0015060061379312184,
+        "p2":-0.0010258224524181574
+    }
+}
+```