Add (poor quality) initial d435 calibrations

Author: fnoop

calibration/d435-1280x720.yml

@@ -0,0 +1,17 @@
+%YAML:1.0
+---
+image_width: 1280
+image_height: 720
+camera_matrix: !!opencv-matrix
+   rows: 3
+   cols: 3
+   dt: d
+   data: [ 9.5184581361560402e+02, 0., 6.9603166699329518e+02, 0.,
+       8.5119274893929366e+02, 3.5100439081567129e+02, 0., 0., 1. ]
+distortion_coefficients: !!opencv-matrix
+   rows: 1
+   cols: 5
+   dt: d
+   data: [ 1.3354150548207788e-01, -4.2352076836541502e-03,
+       7.2103047346773974e-02, -6.6299211011281861e-02,
+       -2.0028506424249306e+00 ]

calibration/d435-640x480.yml

@@ -0,0 +1,16 @@
+%YAML:1.0
+---
+image_width: 640
+image_height: 480
+camera_matrix: !!opencv-matrix
+   rows: 3
+   cols: 3
+   dt: f
+   data: [ 2.12665997e+01, 0., 3.91298920e+02, 0., 1.00516953e+02,
+       1.99458557e+02, 0., 0., 1. ]
+distortion_coefficients: !!opencv-matrix
+   rows: 1
+   cols: 5
+   dt: f
+   data: [ -7.61123234e-03, 8.11523496e-05, -1.29759137e-03,
+       1.34489697e-03, -2.41024395e-07 ]