added sample videos

.gitattributes

@@ -37,3 +37,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.obj filter=lfs diff=lfs merge=lfs -text
 *.txt filter=lfs diff=lfs merge=lfs -text
 *.mpk filter=lfs diff=lfs merge=lfs -text
+_DATA/sample_videos/*.mp4 filter=lfs diff=lfs merge=lfs -text

_DATA/sample_videos/fisheye_video_1.mp4

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:02ec8325da8f742c69859a521a46f0f4a0eb4c6840d28cff68cab27749feaf81
+size 5459937

_DATA/sample_videos/fisheye_video_2.mp4

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d8a51609eeb41c03425a76255c294aec22dfa0df49125da3057ebee1d8b2306b
+size 5690424

_DATA/sample_videos/fisheye_video_3.mp4

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4c864a6cf8a169e328b1fead350767a7b5b50e7822514ac8ee5575c7aaf34843
+size 50817024

_DATA/sample_videos/pinhole_1.mp4

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:983a7cf13fd6170245c17f249897f11ad0d50c2f8db9bd669e66eab9c15f78ef
+size 15176375

_DATA/sample_videos/pinhole_2.mp4

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a5f24f5ca7289f2817b15148c25e6937221249aac0e2000799878800c25243be
+size 15173803

_DATA/sample_videos/pinhole_with_distortion_1.mp4

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:42b759b224f22e52899b37522c92e8be408fee7fdf8fb920a3dab14b3e26a0a7
+size 15592529