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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.
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6.375 Final Project Spring 2013 John Donnal NamirJawdat SumitDutta
Outline • Project Overview • EVM Design • FIR Filter • Laplacian Decomposition • Thermal Imaging • Demonstration
Eulerian Video Magnification (EVM) • Spatial decomposition • Temporal filtering • Spatial reconstruction Output video Input video
1-Level Pyramid Downsampler FIFO FIFO ↓ 2 FIR Series A B ]]] ]]] ]]] FIFO ↑ 2 Upsampler FIR Series x Delay y Subtract (y − x) Shift Register E
1-Level Reconstruction Upsampler FIFO ↑ 2 Add FIR Series C K ]]] Delay Shift Register F
FIR Filter R0 R1 R2 in out * * * * C0 C1 C2 C3 C4 + sum
FIR Series ]]] FIFO Shift Register FIR Filter Shift Register FIR Filter Shift Register FIR Filter sum sum sum + ]]] in FIFO out
Convolution Although 3x3 is shown here, We actually do 5x5
Downsampler and Upsampler • Original • Downsampled • Downsampled and upsampled
Thermal Imaging 1.) Calculate Ambient Temperature 2.) Calculate Offset Compensation ( x 64) Need Floating Point 3.) Calculate Pixel Temperature ( x 64)
Thermal Imaging 100° 32°