Frequency analysis for art forensics

3.2 Step 1: obtain the raw data
3.3 Step 2: short time fourier analysis
3.4 Step 3: spectra of whole-painting
3.5 Step 4: deviations matching analysis
3.6 Step 5: 2d to 1d conversion
3.7 Step 6: correlation determination

Source:  OpenStax, Frequency analysis for art forensics. OpenStax CNX. Jan 22, 2009 Download for free at http://cnx.org/content/col10632/1.1