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Efficient Video Stabilization Using
Dual-Tree Complex Wavelet Transform
Derek Pang, Huizhong Chen, Sherif Halawa
Department of Electrical Engineering, Stanford University
Motivation
System Overview
Advantages
Experimental Results
Related Work
Robust stabilization at
efficient computational cost
Scalable in complexity
Insensitive to illumination
changes and noises
Optimal motion smoothing
Motion fidelity
enhancement for sharp
motion changes
PSNR between current frames and
their respective previous frames
Best
Mode
Fast
Mode
Original
Matlab Implementation (320x240 Input)
Best Mode (per frame)
Fast Mode (per frame)
Wavelet Transformation
47.2 ms
7.0 ms
Motion Estimation
23.2 ms
1.4 ms
Motion Smoothing
2.5 ms
0.2 ms
Other
16.4 ms
5.0 ms
Total
89.3 ms (11.2 fps)
13.6 ms (73.5 fps)
N G Kingsbury, "Complex wavelets for shift invariant analysis and filtering of signals", Journal of Applied and Computational Harmonic Analysis, May 2001.
Y Matsushita , E Ofek, W Ge, X Tang; H Y Shum; , "Full-frame video stabilization with motion inpainting“, IEEE Transactions on Pattern Analysis and Machine Intelligence , July 2006.
F Liu, M Gleicher, H Jin and A Agarwala. ”Content-Preserving Warps for 3D Video Stabilization”, ACM Transactions on Graphics. 2009.
Dual-Tree Complex Wavelet Transform
Derek Pang, Huizhong Chen, Sherif Halawa
Department of Electrical Engineering, Stanford University
Motivation
System Overview
Advantages
Experimental Results
Related Work
Robust stabilization at
efficient computational cost
Scalable in complexity
Insensitive to illumination
changes and noises
Optimal motion smoothing
Motion fidelity
enhancement for sharp
motion changes
PSNR between current frames and
their respective previous frames
Best
Mode
Fast
Mode
Original
Matlab Implementation (320x240 Input)
Best Mode (per frame)
Fast Mode (per frame)
Wavelet Transformation
47.2 ms
7.0 ms
Motion Estimation
23.2 ms
1.4 ms
Motion Smoothing
2.5 ms
0.2 ms
Other
16.4 ms
5.0 ms
Total
89.3 ms (11.2 fps)
13.6 ms (73.5 fps)
N G Kingsbury, "Complex wavelets for shift invariant analysis and filtering of signals", Journal of Applied and Computational Harmonic Analysis, May 2001.
Y Matsushita , E Ofek, W Ge, X Tang; H Y Shum; , "Full-frame video stabilization with motion inpainting“, IEEE Transactions on Pattern Analysis and Machine Intelligence , July 2006.
F Liu, M Gleicher, H Jin and A Agarwala. ”Content-Preserving Warps for 3D Video Stabilization”, ACM Transactions on Graphics. 2009.