Fixed the camera matrix for AR.

Author: EnoxSoftware

Assets/HoloLensWithOpenCVForUnityExample/HoloLensArUcoExample/HoloLensArUcoExample.cs

@@ -129,18 +129,20 @@ public class HoloLensArUcoExample : MonoBehaviour
         /// </summary>
         Mat rgbMat;
 
-        // Camera matrix value of Holelens camera of 896x504 size. (this value is not generated by camera calibration)
-        // (can adjust the position of the AR hologram with the values ​​of cx and cy)
-        private double fx = 1038;
-        private double fy = 1037;
-        private double cx = 400;
-        private double cy = 244;
+        // Camera matrix value of Hololens camera 896x504 size. 
+        // These values ​​are unique to my device, obtained from "Windows.Media.Devices.Core.CameraIntrinsics" class. (https://docs.microsoft.com/en-us/uwp/api/windows.media.devices.core.cameraintrinsics)
+        // (can adjust the position of the AR hologram with the values ​​of cx and cy. see http://docs.opencv.org/2.4/modules/calib3d/doc/camera_calibration_and_3d_reconstruction.html)
+        private double fx = 1035.149;//focal length x.
+        private double fy = 1034.633;//focal length y.
+        private double cx = 404.9134;//principal point x.
+        private double cy = 236.2834;//principal point y.
         private MatOfDouble distCoeffs;
-        private double distCoeffs1 = 0.0;
-        private double distCoeffs2 = 0.0;
-        private double distCoeffs3 = 0.0;
-        private double distCoeffs4 = 0.0;
-        private double distCoeffs5 = 0.0;
+        private double distCoeffs1 = 0.2036923;//radial distortion coefficient k1.
+        private double distCoeffs2 = -0.2035773;//radial distortion coefficient k2.
+        private double distCoeffs3 = 0.0;//tangential distortion coefficient p1.
+        private double distCoeffs4 = 0.0;//tangential distortion coefficient p2.
+        private double distCoeffs5 = -0.2388065;//radial distortion coefficient k3.
+
 
         private bool detecting = false;
         private bool ARTransMatrixUpdated = false;

Assets/HoloLensWithOpenCVForUnityExample/HoloLensArUcoExample/Materials/ArUcoMaterial.mat

@@ -7,11 +7,12 @@ Material:
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
   m_Name: ArUcoMaterial
-  m_Shader: {fileID: 30, guid: 0000000000000000f000000000000000, type: 0}
-  m_ShaderKeywords: 
-  m_LightmapFlags: 5
-  m_CustomRenderQueue: -1
-  stringTagMap: {}
+  m_Shader: {fileID: 4800000, guid: 30a212a88e1063a428c85e50b1e427f2, type: 3}
+  m_ShaderKeywords: _ALPHABLEND_ON _EMISSION
+  m_LightmapFlags: 1
+  m_CustomRenderQueue: 3000
+  stringTagMap:
+    RenderType: Transparent
   m_SavedProperties:
     serializedVersion: 2
     m_TexEnvs:
@@ -81,34 +82,46 @@ Material:
       second: 1
     - first:
         name: _DstBlend
-      second: 0
+      second: 10
     - first:
         name: _EmissionScaleUI
       second: 0
+    - first:
+        name: _GlossMapScale
+      second: 1
     - first:
         name: _Glossiness
       second: 0.5
+    - first:
+        name: _GlossyReflections
+      second: 1
     - first:
         name: _Metallic
       second: 0
     - first:
         name: _Mode
-      second: 0
+      second: 2
     - first:
         name: _OcclusionStrength
       second: 1
     - first:
         name: _Parallax
       second: 0.02
     - first:
-        name: _SrcBlend
+        name: _SmoothnessTextureChannel
+      second: 0
+    - first:
+        name: _SpecularHighlights
       second: 1
+    - first:
+        name: _SrcBlend
+      second: 5
     - first:
         name: _UVSec
       second: 0
     - first:
         name: _ZWrite
-      second: 1
+      second: 0
     m_Colors:
     - first:
         name: _Color