# Last edited on 2012-09-21 22:37:45 by stolfilocal

GOAL

  Analyze the spectrum of JPEG images, develop effective filters
  to remove the JPEG noise, develop tools to determine the image's
  effective resolution.
  
IMAGES

  Obtained the following images:
  
    data/guapu/00002.jpg Nokia E72 camera
    data/guapu/00003.jpg Nokia E72 camera
    
    data/jplum/101_1748.jpg Kodak Playsport
    data/jplum/101_1761.jpg Kodak Playsport
    data/jplum/101_1858.jpg Kodak Playsport
    ( cd data/jplum/ && mkcut.gawk -v NX=3072 -v NY=1728 -v SZ=256 rawcuts.txt )
    
    data/jpred/101_1748-r.png Kodak Playsport and reduction
    data/jpred/101_1761-r.png Kodak Playsport and reduction
    data/jpred/101_1858-r.png Kodak Playsport and reduction
    data/jpred/101_1896-r.png Kodak Playsport and reduction
    ( cd data/jpred/ && mkcut.gawk -v NX=768 -v NY=432 -v SZ=256 rawcuts.txt )
    
    
CONVERSION TO PGM

  # dset=guapu; dext=jpg; imgs=( 00002 00003 )
  dset=jplum; dext=jpg; imgs=( 101_1748 101_1761 101_1858 )
  # dset=jpred; dext=png; imgs=( 101_1748-r 101_1761-r 101_1858-r 101_1896-r )
  
  extract-image-chunks.sh ${dset} ${dext} ${imgs[@]}
    
COMPUTING THE POWER SPECTRUM

  compute-power-spectra.sh 32.00 ${dset} ${imgs[@]}
  
      -maxPower 30.00 \
      -scale log 0.00001 \