Scanned film stacking
Posted: 27.09.2013 11:34
This is an information for all users, rather than a question. I began using HF by creating stacks of multiple (three in general) film scans with different focus from my Minolta 5400 II and Reflecta RPS 7200 filmscanners. With a rather wide smoothing it seems to perform very well with exceptional overall resolution. Only in some cases, but the issue is going essentially solved by newer versions, I had some slight misalignment (many scanned slides contain aliases at 100 lp/mm) and I experienced local difficulties in selecting and pairing the sharpest image. Good idea seems to use F9 in retouching. Any comment or suggestion?
A small thechnical question: which is the criteria used by HF to assess image sharpness? Thank you in advance.
A small thechnical question: which is the criteria used by HF to assess image sharpness? Thank you in advance.