6.375 Final Project Spring 2013 John Donnal Namir Jawdat Sumit Dutta

Outline Project Overview EVM Design FIR Filter Laplacian Decomposition Thermal Imaging Demonstration

Eulerian Video Magnification (EVM) Spatial decomposition Temporal filtering Spatial reconstruction Input video Output video

EVM Implementation

1-Level Pyramid FIR Series ↓ 2 Downsampler ]]] FIFO ↑ 2 Upsampler FIR Series Subtract (y − x) BA Shift Register Delay x y ]]] FIFO ]]] FIFO E

1-Level Reconstruction ↑ 2 FIR Series Upsampler ]]] FIFO Ad d C Shift Register Delay F K

FIR Filter R0R1R2 **** C0 C1 C2 C3 C4 in out + sum

FIR Series in FIR Filte r Shift Registe r sum + out FIR Filte r Shift Registe r FIR Filte r Shift Registe r sum ]]] FIFO ]]]

Convolution Although 3x3 is shown here, We actually do 5x5

Downsampler and Upsampler Original Downsampled Downsampled and upsampled

EVM for the System on the FPGA

Thermal Imaging

1.) Calculate Ambient Temperature 2.) Calculate Offset Compensation ( x 64) 3.) Calculate Pixel Temperature ( x 64) Need Floating Point

Thermal Imaging 32° 100°

Demonstration