Search found 5 matches

by JK1974
2013-04-03T23:43:37-07:00
Forum: Users
Topic: Scaling scans of analog photo negatives
Replies: 5
Views: 7678

Re: Scaling scans of analog photo negatives

Using an external disk as backup seems to be common sense, but I have already lost 2-3 external hdds in the last years (luckily without important data). One of them was an internal Samsung disk that got too hot in an external case (I have another two Samsung disks from the same series at that time i...
by JK1974
2013-04-03T16:24:11-07:00
Forum: Bugs
Topic: Saving a TIFF losing alpha channe; in PhotoShop (CS5 and CS6
Replies: 22
Views: 36151

Re: Saving a TIFF losing alpha channe; in PhotoShop (CS5 and

This is a temporary download address of an original VueScan RAW TIFF output file that does not seem to be converted correctly with ImageMagick: https://dl.dropbox.com/u/17946310/Minol ... FC400-8.7z.
by JK1974
2013-04-03T16:21:28-07:00
Forum: Users
Topic: Scaling scans of analog photo negatives
Replies: 5
Views: 7678

Re: Scaling scans of analog photo negatives

I currently can´t test the -compress option because the alpha channel is being changed to a transparency channel in Photoshop after having opened the file with ImageMagick (see the link in my first post about the problem/bug opening the RAW TIFFs). However, if this bug is not being fixed in one of t...
by JK1974
2013-04-03T08:52:11-07:00
Forum: Users
Topic: Scaling scans of analog photo negatives
Replies: 5
Views: 7678

Scaling scans of analog photo negatives

Hi all, I am about to scan photo negatives with VueScan from Hamrick Software. But I don´t want to simply convert the negatives to positives and store them as downscaled and heavily compressed JPEGs, I first want to save high-quality digital equivalents to the analog negatives in the way described a...
by JK1974
2013-03-22T08:19:43-07:00
Forum: Bugs
Topic: Saving a TIFF losing alpha channe; in PhotoShop (CS5 and CS6
Replies: 22
Views: 36151

Re: Saving a TIFF losing alpha channe; in PhotoShop (CS5 and

Is there any new solution on this issue or another way to change this ExtraSamples tag to a different value? I just encountered this problem when I tried to downscale 16 bit negative scans with an additionally alpha channel that stores the infrared channel information (contains all the dust and scra...