Neal Wadhwa


Email / Google Scholar / LinkedIn / Resume

Software

Phase Based Video Motion Processing code
Matlab code for implementing the new and improved phase-based motion magnification pipeline.


Publications

Deviation Magnification: Revealing Departures from Ideal Geometries

Neal Wadhwa, Tali Dekel, Donglai Wei, Frédo Durand, William T. Freeman

ACM Transactions on Graphics, Volume 34, Number 6 (Proc. SIGGRAPH Asia), 2015.
[Paper] [Webpage]
A method to reveal subtle deviations of objects from ideal geometries, like lines or cirlces, in a single image by magnifying them.
Refraction Wiggles for Measuring Fluid Depth and Velocity from Video

Tianfan Xue, Michael Rubinstein, Neal Wadhwa, Anat Levin, Frédo Durand, William T. Freeman

Proc. of European Conference on Computer Vision (ECCV), 2014.
[Paper] [Webpage]
A method to recover the velocity and depth of hot air from video.
The Visual Microphone: Passive Recovery of Sound from Video

Abe Davis, Michael Rubinstein, Neal Wadhwa, Gautham Mysore, Frédo Durand, William T. Freeman

ACM Transactions on Graphics, Volume 33, Number 4 (Proc. SIGGRAPH), 2014.
[Paper] [Webpage]
A technique to recover sound from videos of objects subtly vibrating in response to sound.
Structural Modal Identification through High Speed Camera Video: Motion Magnification

Justin G. Chen, Neal Wadhwa, Young-Jin Cha, Frédo Durand, William T. Freeman, Oral Buyukozturk

Proceedings of the 32nd International Modal Analysis Conference (2014)
[Paper]
A validation that the motion magnified motions are indeed real and a way to compute the mode shapes of a cantilevered beam from video.
Riesz Pyramids for Fast Phase-Based Video Magnification

Neal Wadhwa, Michael Rubinstein, Frédo Durand, William T. Freeman

Computational Photography (ICCP), 2014 IEEE International Conference on
[Paper] [Webpage] [Pseudocode]
Provides the quality of the previous phase-based technique with the real-time speed of the original linear technique.
Phase-based Video Motion Processing

Neal Wadhwa, Michael Rubinstein, Frédo Durand, William T. Freeman

ACM Transactions on Graphics, Volume 32, Number 4 (Proc. SIGGRAPH), 2013.
[Paper] [Webpage] [BibTeX]
A new technique to amplify small motions that solves the noise amplification and intensity clipping artifacts of the previous linear method by manipulating the phase in sub-bands of videos.
Revealing Invisible Changes In The World

Michael Rubinstein, Neal Wadhwa, Frédo Durand, William T. Freeman

Science Vol. 339 No. 6119, Feb 1 2013
[Article in Science] [Video] [NSF SciVis 2012] [BibTeX]
An expository video showcasing our results and explaining our technique.