Re: HP dreamcolor screen, any opinions?
Re: HP dreamcolor screen, any opinions?
- Subject: Re: HP dreamcolor screen, any opinions?
- From: "edmund ronald" <email@hidden>
- Date: Mon, 18 Aug 2008 00:11:32 +0200
People on this list have solved a lot of problems for me.
The guys on an Apache IRC channel just rescued me from a week of debugging.
it's a pleasure to help others when I can do so in a reasonable amount of time.
The Internet is changing the way tech support is dispensed.
Edmund
On Sun, Aug 17, 2008 at 11:36 PM, Robert Rock <email@hidden> wrote:
> Edmund,
> BINGO. You were absolutely right. I just recropped the image to INCLUDE the
> neutral gray stepwedge ramp, and it worked flawlessly.
>
> So I don't feel quite so stupid now knowing it wasn't something obvious that
> I was doing wrong. And now XRite just needs to be made aware of this flaw or
> bug.
>
> Thanks so much for clearing this up for me.
>
> Regards,
> Bob Rock
>
> -----Original Message-----
> From: edmund ronald [mailto:email@hidden]
> Sent: Sunday, August 17, 2008 1:56 PM
> To: Robert Rock
> Cc: ColorSync; Vogh, James; Thomas Kunz
> Subject: Re: HP dreamcolor screen, any opinions?
>
> Robert,
>
> I wanted to look at your files because I had never used the scanner
> module in PMP.
> I was able to reproduce your problem and characterize it.
> It appears you hit an interesting bug/feature in the PMP interface
> and target location routine.
>
> This bug/feature bites if one crops to the core of the chart,
> according to the printed crop marks.
> If one does this, the recognition routines fail silently, but one
> gets visible feedback of the issue:
> http://edmundronald.googlepages.com/Picture11.png
>
> In order to get the recognition routines to work properly on this
> chart it is necessary to crop below
> the bar of neutral values even though this does not appear to be part
> of the chart. Follow the example
> which is shown by pressing the "Example" button.
> One then gets a correct chart recognition:
> http://edmundronald.googlepages.com/Picture12.png
>
> Your problem illustrates how useful visual feedback is in this type
> of interface, and how useful it would be
> to have a diagram of the example appear spontaneously in the dialog
> interface, rather than only on demand.
> I am forwarding this post to the Xrite guys and gals.
>
> Edmund
>
>
> On Sun, Aug 17, 2008 at 7:16 PM, Robert Rock <email@hidden> wrote:
>> Edmund,
>> Just to be complete, the one target that DOES work, the HUTCH, I've
> uploaded
>> those too.
>>
>> Raw scan file: http://www.bobrock.com/POTN/hutch.tif
>>
>> Reference file: http://www.bobrock.com/POTN/HutchColor0423.txt
>>
>> Again, this target WORKED, it's the Kodak targets that did NOT.
>>
>> Thanks again,
>> Bob Rock
>>
>>
>> -----Original Message-----
>> From: Robert Rock [mailto:email@hidden]
>> Sent: Sunday, August 17, 2008 1:12 PM
>> To: 'edmund ronald'
>> Cc: 'ColorSync'
>> Subject: RE: HP dreamcolor screen, any opinions?
>>
>> Edmund,
>> The two raw scanned Kodak targets have been uploaded.
>> The version numbers are clearly visible on the images.
>> I uploaded two different targets, neither of which will work.
>>
>> Here's the two images:
>> http://www.bobrock.com/POTN/Kodak.tif
>> http://www.bobrock.com/POTN/Kodak2.tif
>>
>> Reference files:
>> http://www.bobrock.com/POTN/R2200608.Q60
>> http://www.bobrock.com/POTN/R2200505.Q60
>>
>> Some programs may require you to change the extension of the reference
> files
>> to "txt", which didn't do any good in my situation, by the way.
>>
>> I'm very curious if anyone else experiences this problem.
>>
>> Thanks for your help with this. It's very baffling to me.
>>
>> Bob Rock
>>
>> -----Original Message-----
>> From: edmund ronald [mailto:email@hidden]
>> Sent: Sunday, August 17, 2008 10:20 AM
>> To: Robert Rock
>> Cc: ColorSync
>> Subject: Re: HP dreamcolor screen, any opinions?
>>
>> Robert, can you use www.yousendit.com to email yourself the raw scans
>> of the targets -Kodak, Hutch, and the post the links here ?
>> Or just put the raw scans on the server so we can download them ? And
>> please also post the reference files. Thank you.
>>
>> Edmund
>>
>> On Sat, Aug 16, 2008 at 5:29 PM, Robert Rock <email@hidden> wrote:
>>> Edmund,
>>> I've replaced the referenced PDF with a new one, this one includes my
>> second
>>> test which I mentioned...using a HUTCH target. The third image in the PDF
>>> shows the ProfileMaker screen capture, selecting the correct
> corresponding
>>> reference file and image, and then the 4th image in the PDF shows how a
>> scan
>>> looks after being the assigned that HUTCH profile. It's perfect. So
> what's
>>> with the Kodak targets? I am really baffled.
>>>
>>> Bob
>>>
>>> -----Original Message-----
>>> From: edmund ronald [mailto:email@hidden]
>>> Sent: Saturday, August 16, 2008 8:22 AM
>>> To: Robert Rock
>>> Cc: ColorSync
>>> Subject: Re: HP dreamcolor screen, any opinions?
>>>
>>> The scanned image appears vertically offset in places. As you state
>>> this is repeating with different targets I would suspect a scanner
>>> positioning malfunction.
>>> To check my hypothesis, try turning that target by 90 degrees and
>> rescanning
>>> ...
>>>
>>> Edmund
>>>
>>> On Sat, Aug 16, 2008 at 2:08 PM, Robert Rock <email@hidden>
> wrote:
>>>> An interesting problem I've encountered making profiles for a desktop
>>>> scanner (EpsonExpression 1600), using ProfileMaker 5.0
>>>>
>>>> The reference images and screen shots are in a PDF here:
>>>> http://www.bobrock.com/POTN/ScannerProfile.pdf
>>>>
>>>> In this instance, my scanned target is Kodak IT8 Q-60R2, with a version
>>>> number of 2006:08.
>>>> My screen shot of PM, page 1 of the PDF, shows my correctly chosen
>>> reference
>>>> data of R2200608.Q60 and the scanned image of the target, in the screen
>>> shot
>>>> called Kodak2.tif, and on page 2 of the PDF, is also correctly
>> identified.
>>>>
>>>> But the first strange thing here is that if you look at the screen shot,
>>> the
>>>> reference data thumbnail shows the grayscale wedge at the bottom, but if
>>> you
>>>> look at the scanned image thumbnail, it shows a color bar. That's NOT in
>>> the
>>>> image! Don't know if that's an issue, but then when I scan something and
>>>> apply this profile, it just looks HORRIBLE. Something is obviously
> wrong.
>>>>
>>>> Thinking it was the reference data that might be corrupt, I downloaded
>>> again
>>>> and still the same. I even tried using various other targets that I
> have,
>>>> all from Kodak, all the same result. The scan was made with all color
>>>> management turned off. After importing via TWAIN interface into
>> Photoshop,
>>> I
>>>> did nothing to the image, and saved it as a TIF with NO profile of any
>>> kind.
>>>>
>>>>
>>>> Now, and this too is strange, it appears that when I use a Hutch target,
>>> the
>>>> profile seems to work fine.
>>>>
>>>> Any thoughts? I even uninstalled and reinstalled PM5 but to no avail.
>>>> Display profiling seems to work fine, haven't worked on any new printer
>>>> profiles yet though.
>>>>
>>>> Thanks,
>>>> Bob
>>>>
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