camouflaging an object from many viewpoints
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Camouflaging an Object from Many Viewpoints Andrew Owens 1 , Connelly Barnes 2 , Alex Flint 3 , Hanumant Singh 4 , and William Freeman 1 1 MIT CSAIL, 2 University of Virginia / Adobe, 3 Flyby Media, 4 Woods Hole Oceanographic Inst Presenter: @miyabiarts 関関 CV 関関関 CVPR 関関関関 ( 26, July 2014 )
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- Camouflaging an Object from Many Viewpoints Andrew Owens1, Connelly Barnes2, Alex Flint3, Hanumant Singh4, and William Freeman1 1MIT CSAIL, 2University of Virginia / Adobe, 3Flyby Media, 4Woods Hole Oceanographic Inst Presenter: @miyabiarts CV CVPR 26, July 2014
- Camouflage Disruptive ColorationMasquerade Optical CamouflageBackground matching
- Motivation
- Goal 3D
- Application: Public Art http://joshuacallaghan.com/Tianmu.htm
- Significance of camouflage research
- CV Dazzle http://cvdazzle.com/
- Goal 3D
- Contribution 3D 37
- Algorithm Background matching Two Stage Algorithm Stage1: Capture images of object Stage2: Camouflage object
- Stage 1: Capture Images of Object 10-25
- Stage 1: Capture Images of Object SfM3D Target:
- Stage2: Camouflage Object
- Methods Nave model mean color Projection from viewpoint Random/Greedy MRF (Proposed) Interior/Boundary MRF
- Nave model: mean color Viewpoint 1 Viewpoint 2
- Nave model: mean color Viewpoint 1 Viewpoint 2
- Projection from viewpoint Viewpoint 1 Viewpoint 2
- Random/Greedy Random Greedy
- Random Viewpoint 1 Viewpoint 2
- Random Viewpoint 1 Viewpoint 2
- Random/Greedy Random Greedy 70
- Greedy Viewpoint 1 Viewpoint 2
- Greedy Viewpoint 1 Viewpoint 2
- MRF (Proposed)
- MRF Formulation Data Smoothing
- MRF (Proposed) Interior MRF Boundary MRF
- Data cost term Data Occlusion Viewpoint Stability
- Data cost term Occlusion Viewpoint Stability
- Interior MRF Smoothing cost term
- Interior MRF Viewpoint 1 Viewpoint 2
- Boundary MRF Projection
- Boundary MRF Viewpoint 1 Viewpoint 2
- Psychophysical study design Amazon Mechanical Turk Work http://camo-exp.appspot.com/game
- Evaluation metrics Confusion rate [s] Time to find [s]
- Experiment 37
- Results
- Results MRF
- Greedy vs Boundary MRF
- Interior MRF vs Boundary MRF
- Results from multi viewpoints Boundary MRF https://www.youtube.com/watch?v=NNlE_hzqdss
- Conclusion 3D MRF