Colour recovery [Was: Regex and more! [Was: Crossword puzzle]]

Post by Phred
From what I gather, your technique depends on "clues" in the recorded
image(s), so wouldn't be of much use to me? :-(

That's right.

Richard.

Bob Larter

2009-11-11 09:08:58 UTC

Post by Phred

So now I'm even more curious -- what do you mean by that "Full
gamut colour recovery"?

http://colourrecovery.wikispaces.com/

Thanks for that info Richard. I must admit I was mainly interested
because I have some old colour pics and slides that have seriously
degraded (especially 30-year-old Ectachrome slides taken when I was
foolish and ignorant enough to use it instead of Kodachrome).
From what I gather, your technique depends on "clues" in the recorded
image(s), so wouldn't be of much use to me? :-(
[But I admit I haven't yet followed *all* the links on that site.]

The process relies on residual chroma information retained on
cine-recorded colour TV programs, so it's of no use for film.

Personally, I recover faded photos by scanning them (with as many bits
per colour channel as possible), then re-levelling R,G & B in Photoshop
(16 bit mode). It gives you a pretty good result, & with some tweaking,
an excellent result - even on badly faded colour prints dating back to
the 70's.

--
W
. | ,. w , "Some people are alive only because
\|/ \|/ it is illegal to kill them." Perna condita delenda est
---^----^---------------------------------------------------------------

Phred

2009-11-11 09:13:50 UTC

[CLBM dropped from followups; aus.computers added]

In article

So now I'm even more curious -- what do you mean by that "Full
gamut colour recovery"?

http://colourrecovery.wikispaces.com/

Thanks for that info Richard. I must admit I was mainly interested
because I have some old colour pics and slides that have seriously
degraded (especially 30-year-old Ectachrome slides taken when I was
foolish and ignorant enough to use it instead of Kodachrome).
From what I gather, your technique depends on "clues" in the recorded
image(s), so wouldn't be of much use to me? :-(
[But I admit I haven't yet followed *all* the links on that site.]

The process relies on residual chroma information retained on
cine-recorded colour TV programs, so it's of no use for film.
Personally, I recover faded photos by scanning them (with as many bits
per colour channel as possible), then re-levelling R,G & B in Photoshop
(16 bit mode). It gives you a pretty good result, & with some tweaking,
an excellent result - even on badly faded colour prints dating back to
the 70's.

Thanks for that advice Bob. Have you tried that approach with slides?
I guess it should work the same, but a problem could be scanning
slides with sufficient resolution without going to an expensive
dedicated slide scanner. (Do those still exist? I haven't seen
mention of them for a few years now, not even ads. Perhaps like so
much else, they have succumbed to the mediocrity of the masses?)

Cheers, Phred.

--
***@THISyahoo.com.INVALID

Bob Larter

2009-11-11 16:50:01 UTC

Post by Phred
[CLBM dropped from followups; aus.computers added]

In article

So now I'm even more curious -- what do you mean by that "Full
gamut colour recovery"?

http://colourrecovery.wikispaces.com/

Thanks for that info Richard. I must admit I was mainly interested
because I have some old colour pics and slides that have seriously
degraded (especially 30-year-old Ectachrome slides taken when I was
foolish and ignorant enough to use it instead of Kodachrome).
From what I gather, your technique depends on "clues" in the recorded
image(s), so wouldn't be of much use to me? :-(
[But I admit I haven't yet followed *all* the links on that site.]

The process relies on residual chroma information retained on
cine-recorded colour TV programs, so it's of no use for film.
Personally, I recover faded photos by scanning them (with as many bits
per colour channel as possible), then re-levelling R,G & B in Photoshop
(16 bit mode). It gives you a pretty good result, & with some tweaking,
an excellent result - even on badly faded colour prints dating back to
the 70's.

Thanks for that advice Bob.

My pleasure.

Post by Phred
Have you tried that approach with slides?

No, I haven't. I've never shot slides on a regular basis.

Post by Phred
I guess it should work the same, but a problem could be scanning
slides with sufficient resolution without going to an expensive
dedicated slide scanner. (Do those still exist?

They sure do. Now would be a good time to pick up a used one cheap,
while all the pro's are converting to DSLRs.
I haven't shot slide film much myself, but I'm told that Nikon make a
good slide scanner. I'm sure that other people in the group will be able
to make good suggestions as to what's available now.
[rec.photo.digital added]

--
W
. | ,. w , "Some people are alive only because
\|/ \|/ it is illegal to kill them." Perna condita delenda est
---^----^---------------------------------------------------------------

Bob Larter is Lionel Lauer - Look it up.

2009-11-11 15:54:31 UTC

Post by Phred
[CLBM dropped from followups; aus.computers added]

In article

So now I'm even more curious -- what do you mean by that "Full
gamut colour recovery"?

http://colourrecovery.wikispaces.com/

Thanks for that info Richard. I must admit I was mainly interested
because I have some old colour pics and slides that have seriously
degraded (especially 30-year-old Ectachrome slides taken when I was
foolish and ignorant enough to use it instead of Kodachrome).
From what I gather, your technique depends on "clues" in the recorded
image(s), so wouldn't be of much use to me? :-(
[But I admit I haven't yet followed *all* the links on that site.]

The process relies on residual chroma information retained on
cine-recorded colour TV programs, so it's of no use for film.
Personally, I recover faded photos by scanning them (with as many bits
per colour channel as possible), then re-levelling R,G & B in Photoshop
(16 bit mode). It gives you a pretty good result, & with some tweaking,
an excellent result - even on badly faded colour prints dating back to
the 70's.

Thanks for that advice Bob.

My pleasure.

Post by Phred
Have you tried that approach with slides?

No, I haven't. I've never shot slides on a regular basis.

Post by Phred
I guess it should work the same, but a problem could be scanning
slides with sufficient resolution without going to an expensive
dedicated slide scanner. (Do those still exist?

Bob Larter's legal name: Lionel Lauer
Home news-group, an actual group in the "troll-tracker" hierarchy:
alt.kook.lionel-lauer (established on, or before, 2004)
Registered Description: "the 'owner of several troll domains' needs a group where he'll stay on topic."

<http://groups.google.com/groups/search?hl=en&num=10&as_ugroup=alt.kook.lionel-lauer>

"Results 1 - 10 of about 2,170 for group:alt.kook.lionel-lauer."

Bob Larter

2009-11-11 16:56:11 UTC

Post by Phred
[CLBM dropped from followups; aus.computers added]

In article

So now I'm even more curious -- what do you mean by that "Full
gamut colour recovery"?

http://colourrecovery.wikispaces.com/

Thanks for that info Richard. I must admit I was mainly interested
because I have some old colour pics and slides that have seriously
degraded (especially 30-year-old Ectachrome slides taken when I was
foolish and ignorant enough to use it instead of Kodachrome).
From what I gather, your technique depends on "clues" in the recorded
image(s), so wouldn't be of much use to me? :-(
[But I admit I haven't yet followed *all* the links on that site.]

The process relies on residual chroma information retained on
cine-recorded colour TV programs, so it's of no use for film.
Personally, I recover faded photos by scanning them (with as many bits
per colour channel as possible), then re-levelling R,G & B in Photoshop
(16 bit mode). It gives you a pretty good result, & with some tweaking,
an excellent result - even on badly faded colour prints dating back to
the 70's.

Thanks for that advice Bob.

My pleasure.

Post by Phred
Have you tried that approach with slides?

No, I haven't. I've never shot slides on a regular basis.

Post by Phred
I guess it should work the same, but a problem could be scanning
slides with sufficient resolution without going to an expensive
dedicated slide scanner. (Do those still exist?

Bob Larter's legal name: Lionel Lauer
alt.kook.lionel-lauer (established on, or before, 2004)
Registered Description: "the 'owner of several troll domains' needs a group where he'll stay on topic."
<http://groups.google.com/groups/search?hl=en&num=10&as_ugroup=alt.kook.lionel-lauer>
"Results 1 - 10 of about 2,170 for group:alt.kook.lionel-lauer."

Don't mind the troll, Phred, he always follows up my posts with this
rubbish. ;^)

--
W
. | ,. w , "Some people are alive only because
\|/ \|/ it is illegal to kill them." Perna condita delenda est
---^----^---------------------------------------------------------------

Bob Larter is Lionel Lauer - Look it up.

2009-11-11 16:07:12 UTC

Post by Phred
[CLBM dropped from followups; aus.computers added]

In article

So now I'm even more curious -- what do you mean by that "Full
gamut colour recovery"?

http://colourrecovery.wikispaces.com/

Thanks for that info Richard. I must admit I was mainly interested
because I have some old colour pics and slides that have seriously
degraded (especially 30-year-old Ectachrome slides taken when I was
foolish and ignorant enough to use it instead of Kodachrome).
From what I gather, your technique depends on "clues" in the recorded
image(s), so wouldn't be of much use to me? :-(
[But I admit I haven't yet followed *all* the links on that site.]

The process relies on residual chroma information retained on
cine-recorded colour TV programs, so it's of no use for film.
Personally, I recover faded photos by scanning them (with as many bits
per colour channel as possible), then re-levelling R,G & B in Photoshop
(16 bit mode). It gives you a pretty good result, & with some tweaking,
an excellent result - even on badly faded colour prints dating back to
the 70's.

Thanks for that advice Bob.

My pleasure.

Post by Phred
Have you tried that approach with slides?

No, I haven't. I've never shot slides on a regular basis.

Post by Phred
I guess it should work the same, but a problem could be scanning
slides with sufficient resolution without going to an expensive
dedicated slide scanner. (Do those still exist?

Don't mind the troll, Phred, he always follows up my posts with this
rubbish. ;^)

It would only be rubbish if it weren't true.

Bob Larter's legal name: Lionel Lauer
Home news-group, an actual group in the "troll-tracker" hierarchy:
alt.kook.lionel-lauer (established on, or before, 2004)
Registered Description: "the 'owner of several troll domains' needs a group where he'll stay on topic."

<http://groups.google.com/groups/search?hl=en&num=10&as_ugroup=alt.kook.lionel-lauer>

"Results 1 - 10 of about 2,170 for group:alt.kook.lionel-lauer."

Bob Larter

2009-11-11 17:15:42 UTC

Post by Phred
[CLBM dropped from followups; aus.computers added]

In article

So now I'm even more curious -- what do you mean by that "Full
gamut colour recovery"?

http://colourrecovery.wikispaces.com/

Thanks for that info Richard. I must admit I was mainly interested
because I have some old colour pics and slides that have seriously
degraded (especially 30-year-old Ectachrome slides taken when I was
foolish and ignorant enough to use it instead of Kodachrome).
From what I gather, your technique depends on "clues" in the recorded
image(s), so wouldn't be of much use to me? :-(
[But I admit I haven't yet followed *all* the links on that site.]

The process relies on residual chroma information retained on
cine-recorded colour TV programs, so it's of no use for film.
Personally, I recover faded photos by scanning them (with as many bits
per colour channel as possible), then re-levelling R,G & B in Photoshop
(16 bit mode). It gives you a pretty good result, & with some tweaking,
an excellent result - even on badly faded colour prints dating back to
the 70's.

Thanks for that advice Bob.

My pleasure.

Post by Phred
Have you tried that approach with slides?

No, I haven't. I've never shot slides on a regular basis.

Post by Phred
I guess it should work the same, but a problem could be scanning
slides with sufficient resolution without going to an expensive
dedicated slide scanner. (Do those still exist?

Don't mind the troll, Phred, he always follows up my posts with this
rubbish. ;^)

It would only be rubbish if it weren't true.

*belch*

--
W
. | ,. w , "Some people are alive only because
\|/ \|/ it is illegal to kill them." Perna condita delenda est
---^----^---------------------------------------------------------------

Warren

2010-03-17 16:42:45 UTC