Speckle reduction using the discrete Fourier filtering technique

Jonathan Maycock, Bryan M. Hennelly, John B. McDonald, Yann Frauel, Albertina Castro, Bahram Javidi, Thomas J. Naughton
2007 International Machine Vision and Image Processing Conference (IMVIP 2007)  
We present a digital signal processing technique that reduces the speckle content in reconstructed digital holograms. The method is based on sequential sampling of the discrete Fourier transform of the reconstructed image field. The resulting images show a reduction in speckle.
doi:10.1109/imvip.2007.24 fatcat:icv5fualjjgx5kz3xlgjhsjhti