Figure 6
From: Restoration of recto–verso colour documents using correlated component analysis
A real recto–verso grayscale manuscript from the Irish bleed-through database: (a) degraded recto; (b) degraded verso; (c) recto restored with ICA; (d) verso restored with ICA; (e) recto restored with CCA; (f) verso restored with CCA. Original images (a) and (b): reproduction by courtesy of The Allan and Maria Myers Academic Centre, University of Melbourne, digitized by ISOS (http://www.isos.dias.ie/).