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PanoramicVideoDetector.xcodeproj
PanoramicVideoDetector.xcodeproj
 
 
PanoramicVideoDetector
PanoramicVideoDetector
 
 
.gitignore
.gitignore
 
 
README.md
README.md
 
 
test.png
test.png
 
 

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panoramic-video-detector

Compare side column pixels for first frame of test video (https://www.youtube.com/watch?v=K_J8k43gUhY):
Left Side Column Right Side Column
B: 93, G: 90, R: 91 B: 93, G: 90, R: 91
B: 93, G: 90, R: 91 B: 93, G: 90, R: 91
B: 93, G: 90, R: 91 B: 93, G: 90, R: 91
B: 93, G: 90, R: 91 B: 93, G: 90, R: 91
B: 93, G: 90, R: 91 B: 93, G: 90, R: 91
B: 93, G: 90, R: 91 B: 93, G: 90, R: 91
B: 93, G: 90, R: 91 B: 93, G: 90, R: 91
B: 93, G: 90, R: 91 B: 92, G: 89, R: 90
B: 92, G: 89, R: 90 B: 92, G: 89, R: 90
B: 92, G: 89, R: 90 B: 92, G: 89, R: 90
B: 92, G: 89, R: 90 B: 92, G: 89, R: 90
B: 92, G: 89, R: 90 B: 92, G: 89, R: 90
B: 92, G: 89, R: 90 B: 92, G: 89, R: 90
B: 92, G: 89, R: 90 B: 92, G: 89, R: 90
B: 92, G: 89, R: 90 B: 92, G: 89, R: 90
B: 92, G: 89, R: 90 B: 91, G: 88, R: 89
B: 91, G: 88, R: 89 B: 91, G: 88, R: 89
B: 91, G: 88, R: 89 B: 91, G: 88, R: 89
B: 91, G: 88, R: 89 B: 91, G: 88, R: 89
B: 91, G: 88, R: 89 B: 91, G: 88, R: 89
B: 91, G: 88, R: 89 B: 91, G: 88, R: 89
B: 91, G: 88, R: 89 B: 91, G: 88, R: 89
B: 91, G: 88, R: 89 B: 91, G: 88, R: 89
B: 91, G: 88, R: 89 B: 90, G: 87, R: 88
B: 90, G: 87, R: 88 B: 90, G: 87, R: 88
B: 90, G: 87, R: 88 B: 90, G: 87, R: 88
B: 90, G: 87, R: 88 B: 90, G: 87, R: 88
B: 90, G: 87, R: 88 B: 90, G: 87, R: 88
B: 90, G: 87, R: 88 B: 90, G: 87, R: 88
B: 90, G: 87, R: 88 B: 90, G: 87, R: 88
B: 90, G: 87, R: 88 B: 90, G: 87, R: 88
... ...

Observe from sample data, probably we can take advantage of this to detect panoramic video.

Strict pixel compare result:
Video Equal Rate
360 Google Spotlight Story HELP.mp4 0.805556
360 Google Spotlight Story Special Delivery.mp4 0.784375
360 Stereo Music _ The Balearic Dreamer (Ambient).mp4 0.393056
360 Stereo Music - Trapped in Cello (instrumental).mp4 0.239815
360 Video - Take a ride on Elon Musk’s Hyperloop.mp4 0.998958
360 video VR Girl - Natasha In The Bathroom (video girl for oculus rift).mp4 0.535937
Assassin’s Creed Syndicate - Jack the Ripper Interactive 360° Trailer [US].mp4 0.759375
Clash of Clans 360 Experience a Virtual Reality Raid.mp4 0.490234
Experience Vivid Sydney - Week 1 (360 video).mp4 0.657292
FFZERO1 Concept (No Audio).mp4 0.65625
Foreign_Nature_by_J_Horsthuis_low-bitrate.mp4 0.157
Invasion! Sneak Peek 360.mp4 0.417593
Meteor Rain in amazing sky.mp4 0.469792
Redfoo - Booty Man (Official 360° Music Video).mp4 0.982292
Take Flight 360 VR.mp4 0.758854
THE CLIMB - Alps 360° Trailer (VR Game).mp4 0.404167
Through Mowgli's Eyes Part II Cold Lairs - Disney's The Jungle Book.mp4 0.248047
Unreal Engine 4 Showdown VR 360° 4K by 3Ds Saviel.mp4 0.327315
WARCRAFT.mp4 0.23125
林俊傑 JJ Lin – 彈唱 A Song for You Till the End of Time (360 HD MV 華納Official).mp4 0.928125

Using middle frame, but some of results are not promising...

Take one of the low rate and inspect:
  • The frame image:

frame

  • The compare info:
Left Side Column Right Side Column Equal
B: 107, G: 49, R: 18 B: 107, G: 49, R: 18 Yes
B: 107, G: 49, R: 18 B: 109, G: 49, R: 16 No
B: 109, G: 49, R: 16 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 110, G: 49, R: 19 No
B: 110, G: 49, R: 19 B: 110, G: 49, R: 19 Yes
B: 110, G: 49, R: 19 B: 109, G: 49, R: 16 No
B: 109, G: 49, R: 16 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 109, G: 48, R: 18 No
B: 109, G: 48, R: 18 B: 109, G: 48, R: 18 Yes
B: 109, G: 48, R: 18 B: 109, G: 48, R: 18 Yes
B: 109, G: 48, R: 18 B: 110, G: 49, R: 19 No
B: 110, G: 49, R: 19 B: 110, G: 50, R: 17 No
B: 110, G: 50, R: 17 B: 109, G: 49, R: 16 No
B: 109, G: 49, R: 16 B: 109, G: 48, R: 18 No
B: 109, G: 48, R: 18 B: 109, G: 48, R: 18 Yes
B: 109, G: 48, R: 18 B: 110, G: 50, R: 17 No
B: 110, G: 50, R: 17 B: 110, G: 50, R: 17 Yes
B: 110, G: 50, R: 17 B: 109, G: 49, R: 16 No
B: 109, G: 49, R: 16 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 109, G: 48, R: 18 No
B: 109, G: 48, R: 18 B: 109, G: 48, R: 18 Yes
B: 109, G: 48, R: 18 B: 109, G: 49, R: 16 No
B: 109, G: 49, R: 16 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 111, G: 48, R: 18 No
B: 111, G: 48, R: 18 B: 111, G: 48, R: 18 Yes
B: 111, G: 48, R: 18 B: 109, G: 48, R: 18 No
B: 109, G: 48, R: 18 B: 109, G: 48, R: 18 Yes
B: 109, G: 48, R: 18 B: 109, G: 48, R: 18 Yes
... ... ...
Try loose pixel compare:
Left Side Column Right Side Column Equal
B: 107, G: 49, R: 18 B: 107, G: 49, R: 18 Yes
B: 107, G: 49, R: 18 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 110, G: 49, R: 19 Yes
B: 110, G: 49, R: 19 B: 110, G: 49, R: 19 Yes
B: 110, G: 49, R: 19 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 109, G: 48, R: 18 Yes
B: 109, G: 48, R: 18 B: 109, G: 48, R: 18 Yes
B: 109, G: 48, R: 18 B: 109, G: 48, R: 18 Yes
B: 109, G: 48, R: 18 B: 110, G: 49, R: 19 Yes
B: 110, G: 49, R: 19 B: 110, G: 50, R: 17 Yes
B: 110, G: 50, R: 17 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 109, G: 48, R: 18 Yes
B: 109, G: 48, R: 18 B: 109, G: 48, R: 18 Yes
B: 109, G: 48, R: 18 B: 110, G: 50, R: 17 Yes
B: 110, G: 50, R: 17 B: 110, G: 50, R: 17 Yes
B: 110, G: 50, R: 17 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 109, G: 48, R: 18 Yes
B: 109, G: 48, R: 18 B: 109, G: 48, R: 18 Yes
B: 109, G: 48, R: 18 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 109, G: 49, R: 16 Yes
B: 109, G: 49, R: 16 B: 111, G: 48, R: 18 Yes
B: 111, G: 48, R: 18 B: 111, G: 48, R: 18 Yes
B: 111, G: 48, R: 18 B: 109, G: 48, R: 18 Yes
B: 109, G: 48, R: 18 B: 109, G: 48, R: 18 Yes
B: 109, G: 48, R: 18 B: 109, G: 48, R: 18 Yes

Seems much better...

Loose pixel compare result (set loose factor 7):
Video Equal Rate
360 Google Spotlight Story HELP.mp4 0.993519
360 Google Spotlight Story Special Delivery.mp4 0.938021
360 Stereo Music _ The Balearic Dreamer (Ambient).mp4 0.946296
360 Stereo Music - Trapped in Cello (instrumental).mp4 0.594907
360 Video - Take a ride on Elon Musk’s Hyperloop.mp4 1
360 video VR Girl - Natasha In The Bathroom (video girl for oculus rift).mp4 0.964063
Assassin’s Creed Syndicate - Jack the Ripper Interactive 360° Trailer [US].mp4 0.999479
Clash of Clans 360 Experience a Virtual Reality Raid.mp4 0.919922
Experience Vivid Sydney - Week 1 (360 video).mp4 0.980208
FFZERO1 Concept (No Audio).mp4 0.989062
Foreign_Nature_by_J_Horsthuis_low-bitrate.mp4 0.755
Invasion! Sneak Peek 360.mp4 0.835648
Meteor Rain in amazing sky.mp4 0.894271
Redfoo - Booty Man (Official 360° Music Video).mp4 0.998958
Take Flight 360 VR.mp4 0.984896
THE CLIMB - Alps 360° Trailer (VR Game).mp4 0.885185
Through Mowgli's Eyes Part II Cold Lairs - Disney's The Jungle Book.mp4 0.835938
Unreal Engine 4 Showdown VR 360° 4K by 3Ds Saviel.mp4 0.863889
WARCRAFT.mp4 0.829861
林俊傑 JJ Lin – 彈唱 A Song for You Till the End of Time (360 HD MV 華納Official).mp4 0.989062
TODO:
  • Search for the better loose factor
  • Test with non-panoramic videos
  • Video surrounded by one single color probably is not 360 video

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Detect Panoramic Video Format

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opencv video panoramic

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