AfterShot Pro Highlights and Recovery

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AfterShot Pro Highlights and Recovery

Post by Tadjio »

Since starting the ASP Beta trial, I have been somewhat concerned about the way ASP handles Highlights.
I am finding that for JPG Images, included those rendered by ASP, the Highlights Clipping is incorrect.
Attached is a series of examples based on Image1 showing the Curves Histogram and no Highlights Clipping, only Shadows.
ASP with no Highlights Clipping
ASP with no Highlights Clipping
In order to test this, I did two things:
1) I loaded the same Image1 into PaintShop Pro (PSP) and tested the Clipping using Threshold.
In Image2 this shows clipping on the white house front at 254 (and 255) whereas ASP does not.
PSP Threshold of 254
PSP Threshold of 254
2) In ASP I experimented with 3 different/alternative settings in order to 'achieve' the same clipping:
For Image3 I set the Highlight Warning down to 240 from 254.
For Image4 I set the Exposure Compensation to +0.1
For Image5 I set the AutoLevel Highlights to 0.005
ASP 'forced' Clipping
ASP 'forced' Clipping
In each of these 3 cases I got the same resultant clipping as in PSP.

Curiously, if I export the Image as a TIFF to PSP it then shows no clipping.
Even more curiously, if I look at the Olympus RAW Image, it does show the Highlights Clipping.
(I tested moving the Highlight Recovery Value to 20 in order to remove the Highlights Clipping).

All this investigation started when I realised the AutoLevel was not working correctly.
Tadjio
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Re: AfterShot Pro Highlights and Recovery

Post by Tadjio »

I was pleased to receive feedback from Corel the very same day I submitted this topic.
Craig said "I’ve shared this with the development team and it will be reviewed carefully" and then later
Jeff said "We’ve already made significant improvements to the highlight recovery process, and I’d like to confirm that our new updates cure this issue for you" and asked me for sample images for both Canon and Olympus.
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Re: AfterShot Pro Highlights and Recovery

Post by Fraenzken »

... great to hear that! If that proves right, one of the most annoying and longest lasting issues of Bibble has finally been solved and I'd shout a loud "hurray"! :D
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Re: AfterShot Pro Highlights and Recovery

Post by claudermilk »

Two good bits of news there. Possibly resolving that long-nagging highlights issue, and Jeff responding as quickly as we Bibble users became accustomed to.
Bibble transplant
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Re: AfterShot Pro Highlights and Recovery

Post by maggus »

Tadjio wrote:Jeff said "We’ve already made significant improvements to the highlight recovery process, and I’d like to confirm that our new updates cure this issue for you"
claudermilk wrote:Two good bits of news there. Possibly resolving that long-nagging highlights issue, and Jeff responding as quickly as we Bibble users became accustomed to.
Hi,

still open when we´ll receive the update ?!
And, maybe I missed something, but is the issue described here really the same as the "good old" purple HR issue from Bibble ? Which I guess is one of the "two good bits" ?

best regards
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Re: AfterShot Pro Highlights and Recovery

Post by afx »

maggus wrote:And, maybe I missed something, but is the issue described here really the same as the "good old" purple HR issue from Bibble ?
Yup!
cheers
afx
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Re: AfterShot Pro Highlights and Recovery

Post by Tadjio »

afx wrote:
maggus wrote:And, maybe I missed something, but is the issue described here really the same as the "good old" purple HR issue from Bibble ?
Yup!
cheers
afx
Yup what?
Please can you enlighten me, as a non-Bibble user.
How is a purple HR issue related?
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Re: AfterShot Pro Highlights and Recovery

Post by afx »

Tadjio wrote:
afx wrote:
maggus wrote:And, maybe I missed something, but is the issue described here really the same as the "good old" purple HR issue from Bibble ?
Yup!
cheers
afx
Yup what?
Yup as in confirmation.
Please can you enlighten me, as a non-Bibble user.
How is a purple HR issue related?
Bibble and the first release of AS have a nasty little problem with blown highlights in some cases resulting in purple/pink colors in the blown areas or harsh gradations.

Looks like they finally nailed this.

cheers
afx
Send bugs to the Monkey // AfterShot Kickstart Guide // sRGB clipping sucks and Adobe RGB is just as bad
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Re: AfterShot Pro Highlights and Recovery

Post by Tadjio »

afx wrote:
Tadjio wrote:Please can you enlighten me, as a non-Bibble user.
How is a purple HR issue related?
Bibble and the first release of AS have a nasty little problem with blown highlights in some cases resulting in purple/pink colors in the blown areas or harsh gradations.
Looks like they finally nailed this.
cheers
afx
Yup :D
Tx
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Re: AfterShot Pro Highlights and Recovery

Post by maggus »

afx wrote:Bibble and the first release of AS have a nasty little problem with blown highlights in some cases resulting in purple/pink colors in the blown areas or harsh gradations.

Looks like they finally nailed this.

cheers
afx
Hi afx,
thanx for your info .... just wonder when some update will be available to the crowd.
I hope the "check for updates" in ASP works.
cheers
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Re: AfterShot Pro Highlights and Recovery

Post by afx »

maggus wrote: thanx for your info .... just wonder when some update will be available to the crowd.
It's not the only fix that is needed ;-)

cheers
afx
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Re: AfterShot Pro Highlights and Recovery

Post by Tadjio »

maggus wrote:I hope the "check for updates" in ASP works.
cheers
Markus
Yup, it worked fine through the Beta Trial. Sometimes almost daily.
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Re: AfterShot Pro Highlights and Recovery

Post by AnandaSim »

Hi All,

I bought AFP last month. I use an Olympus PEN E-PL1 RAW files. I am very impressed with how AFP presents the initial editing defaults - it looks very much like the style of Olympus Viewer 2 - that is a proprietary JPEG engine. However, I am having issues with AFP turning burnt highlights to pink, usually when I use the Highlight Recovery slider past zero but in one circumstance, even without touching the slider.

Is there are resolution or an I doing something wrong?

Examples:

Image

Image
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Re: AfterShot Pro Highlights and Recovery

Post by afx »

AnandaSim wrote:Is there are resolution or an I doing something wrong?
You will need to wait for the next update for a fix ;-(

cheers
afx
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Re: AfterShot Pro Highlights and Recovery

Post by AnandaSim »

When will this be fixed then, anyone? It is a major bug. Does it only affect Olympus Raw or every camera Raw?

afx, thanks for replying.
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