Photoshop :: RGB 48bit Color Versus SRGB 24bit Color For Scanning Documents And Resolutions
Dec 30, 2012
I have alot of paper that I want to reduce & eliminate, I have a bunch of certificates, magazine/newspaper clippings that I have from high school & college to scan & would like to know what color settings would be best.
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I also have a bunch of brochures, other odd papers, receipts, & handwritten notes.
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I am using an Epson perfection photo 4490 flatbed scanner, on a mac running lion 10.7.5.
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I would also like to know what would be the best resolution to use.
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I read a little about bit depth, & from what I gather, the human eye can only see so many colors, & going with bigger color depths is good where one has to do alot of editing.
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most of these items are for records & archives, & maybe to be able to print from the scans, so I can throw out some of my paper.Also, when I scan in Adobe RGB, would it be best to use 48 bit depth to go with the fuller color? & when I use sRGB use 24 bit depth?
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Jun 22, 2013
I used to save images in 1-bit PCX format, as required by several label(thermal transfer) printers. I can't find any way to do that anymore.
Export to PCX does not give any options, and exports 24bit color.
Even after changing the image format to indexed, and selecting 1-bit B/W,export to PCX is still
8-bit colour, 300 x 300 dpi, RLE compressed
Any way to accomplish
1-bit colour, 72 x 72 dpi, RLE compressed
Note that another accepted format is monochrome BMP, but this does notseem to work either in GIMP. The only options offered are RGB.
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Mar 1, 2013
When I export RAW files, specifying that I want the output to be in sRGB color space the resulting files have the Adobe RGB color space. The same is true if I specify I want them in ProPhoto. Is this a bug? I have done it successfully in other versions of Lightroom, but not in 4.3.
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May 3, 2007
What is the benefit of using Adobe RGB instead of sRGB since photo printer and photo lab only print in sRGB only?
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Apr 19, 2012
Question for you. I'm really trying hard to develop a great color work flow. I realized after my new discovery I didn't to proof my photoshop files under Blurb's cmyk profile any longer. I went under Proofing and selected the calibration I have done with my X-rite colormunki. I realize under custom is the whole array of choices from the default Apple RGB to selecting the calibration colormunkit profile I do every two weeks with my X-Rite Colormunki. I just realized there are other settings I can select as well. One being the legacy Macintosh RGB Gamma 1.8. then Internet Standard RGB (SRGB), and finally Monitor RGB. the second of first choice
This question has gotten more intense for me. Since I'm working in Photoshop on files for my website should I set the monitor to Internet Standard RGB (sRGB) when I'm color correcting and adjusting my files for the web. Also should I go under custom and select the X-Rite Colormunki profile? Also since I'm going to only use SRGB files for Blurb books and not use Blurb's Icc profile any longer. Should I also select the Internet Standard RGB (sRGB) as for my monitor while adjusting my files for Blurb books or leave it as one of the other two legacy Macintosh RGB Gamma 1.8 etc?
Now again I'm wondering when I'm printing files for my Epson printers should I select legacy Macintosh RGB Gamma 1.8 or monitor RGB. Also should I choice the X-rite calibrated profile. I know when I'm in the Epson driver I go and select the printer profile for the printing paper I will be using.
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May 19, 2009
I'm having a color management issue. I use CS3 and the Spyder2Express color calibration system. I presently have my system (Windows) set to the Spyder2Express profile found under the display properties. I have Photoshop set to sRGB under edit-color settings. I am for some reason suddenly (in the past few days) having big issues with editing the photo in Photoshop to look as I want, then it experiencing a large color shift when viewed in any Windows application or uploaded to the web (IE7). Colors look very dull and washed out compared to Photoshop. From my experience, the opposite has been true if working in Adobe RGB and failing to save to sRGB before uploading the image to the web - the images wash out. So, why are my images washing out if working in sRGB as my Photoshop color space to begin with? Any Photoshop + windows experts combined that can help? I am pulling my hair out. I need to upload photos to my blog (I am a photographer) and they look super dull compared to how they view in Photoshop!
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Feb 5, 2008
I just installed CS3 in Windows Vista Ultimate x64 on my PC and I have my working color space set as sRGB. The color is dull when opening documents in any Adobe application with the working color space set to sRGB. The color is fixed if I change the working profile to my monitor profile which is "Monitor RGB - Dell 2407WFP-HC"
When in the "Monitor RGB - Dell 2407WFP-HC" profile whenever I open an existing file Photoshop alerts me that the embedded color profile is different than my working profile (all of my existing files are managed as sRGB and on my previous computer the sRGB profile looked perfect.)
Photoshop I could theoretically live with but the same problem occurs in Acrobat and changing the "Working Profile" in Acrobat has no change on how the sRGB managed PDF is being displayed. The same PDF will look fine on another computer.
How do I get sRGB color to display correctly in Adobe applications and not look dull and muted?
Additional Information: The problem is still prevalent when accessing the computer with Remote Desktop which leads me to believe it has nothing to do with my monitor or the video card I am using.
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Feb 16, 2008
I am an archivist. We have some old, rare documents from 19th century - collections of letters, diaries etc which I want to preserve electronically. I get excellent results when I use a scanner. However some of the documents are fragile and the use of digital photography would cause less damage.
I have been investigating this for some time and have got all sorts of advice - sometimes contradictory. Now this is the issue for me at the moment: I have some test photograph files (of documents) on my computer (which I photographed with a good digital camera and saved to computer.
Improving the output, removing background etc, is my issue. To what extent can I improve the photograph using Photoshop or some other similar program. I would love to submit one or two of these photo files to you who are expert and see what you can do with them. That would give me an idea of what I need. I am not sufficiently conversant with the photoshop program to do this myself.
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Sep 30, 2013
I have both PSE 10 and LR 5.2, but am not that comfortable with LR yet. I took a new photo and brought it into LR for a few edits, then did "Edit In" to finish the edits in PSE. The file was a Tiff at that point. I went to use the "Touch Up Scratches and Blemishes" tool, and it wouldn't allow me to use it until I got the prompt to convert from 16 bit color to 8 bit, which I did. Then did a bunch of other edits in PSE, and did a "Save As" to a JPG file. On the "Save As" dialog, the only option I had for "Color" was a checkbox that said "ICC Profile: ProPhoto RGB". Left that checked.
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After saving the file, I looked at the file properties on the "Details" tab. It shows the "Color representation" as "Uncalibrated" and the "Photometric interpretation" as "RGB". Normally when I don't do the LR edits first, the "Color representation" is "sRGB" and the "Photometric interpretation" is blank.
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So the questions: Is what I did OK? The final jpg file appears OK when I took at it in Windows, but wonder if I am going to have a problem somewhere else. Did I lose detail in converting from 16 bit to 8 bit to do the edits in PSE? Should I have done something different along the way, assuming I wanted to do my final edits in PSE?
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Sep 7, 2012
I'm aiming to take RAW photo files, edit them in a wide color space, and when posting them to the web, save them as sRGB.
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My workspace is as follows:
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I open RAW files in Photoshop via ACR as 16-bit ProPhoto smart objects. When I finish editing them, I use "Save for Web" with the "Convert to sRGB" and "Embed Color Profile" boxes checked.
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Photoshop and Bridge tell me the profile in photos saved as such is sRGB as expected. When I upload to a site like flickr, however, the metadata says the photo is still in ProPhoto. See an example here: [URL]...If I use "Convert to Profile" and change it to sRGB, then upload to flickr, the metadata says the photo is in sRGB, as it should be.
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Feb 16, 2012
When I export vector graphics to RGB/sRGB and open the pdf in another software (like Serif Page Plus, Adobe etc.), the color values are variying a little bit.
For example, my gray value of a logotype in Corel was 118, 115, 113. Now I export as pdf (many logical!! setting of CM tried!!!), any other software that opens the document - also CORRECT CM settings - values are 117, 115, 112. --- The same light variations nearly anytime with any RGB color. Not possible to create vector pdfs of logos for my clients correctly this way! Really bad.Â
Instead of starting a discussion about Color Management Settings, could any professional, maybe a Corel member check this behaviour in practice and give me a feed-back!? - In the best case let me know the complete settings for Corel CM and pdf Export to get the RGB pdf export done correctly.Â
(I am currently using X4, but know that same behaviour from X3 and passed again hours to try really all reasonable CM and export combinations, at least I think so. Windows7 and WindowsXP)
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Oct 14, 2012
With LR4 and a Nikon D7000.When i import that raw in lightroom, the first view of the picture is fine then LR do its "loading" and bang, the picture changes.As RAW is not supposed to be affected by the colorspace My understanding is the embeded preview in the raw is sRGB and LR work in a different colorspace. If i change the camera for AdobeRGB, i dont have the problem and what i see from the camera to the preview then the final result is consistent.But this cause me another problem because i shoot RAW+jpeg, the backup JPEG saved in the other memory card is now AdobeRGB as well and less compatible as everybody knows, for web, print labatory, etc...
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I dont have in LR any automatic developement settings.My screen is calibrated with a Spyder 3.
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I'm feeling stuck in the corner as i want by backup JPEG in sRGB and n o colorshift in LR.
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Mar 30, 2013
I have just upgraded by creative cloud to CS6. I can't find in CS6 the arrange brilliant documents icon which automatically tiles open documents in CS4 in one click. Where it is hidden?
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May 29, 2013
Is the vibrance slider in ACR and Lightroom doing essentially the same thing as manually shifting the tops and bottoms of the A and B curves in LAB color?It seems similar, but is the math actually the same?
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Jan 18, 2014
I have a set of JPEGs that have been stripped of their color profiles (AdobeRGB). Lightroom assumes that they are sRGB images and displays them incorrectly. Is there any function in the program that will let me embed the correct (AdobeRGB) profile to the photos, preferably without re-compressing them?
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Nov 7, 2012
I am a web designer and have a problem with my Photoshop CS6. I work on both a mac and a pc (Win7), but use CS6 on both systems. My files are always worked with on both systems.
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With several psd's, I noticed a color difference when I dragged layers to new psd's. Even the RGB values changed. When dragged back to the original psd, the colors change back again. This is not a constant problem. I have checked the color settings of both files and see no difference. If I place the color specified in the failing psd in a HTML-file, the color does not resemble the failing psd. In HTML, the color resembles the new psd. I think there is something wrong with some of my psd's, but cannot figure out what it could be and how to fix and prevent it.
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I have a feeling it may be caused by changing between mac and pc, but surely this could not be the cause? I am, at the moment, unable to try this out myself, but will try this out later this week.
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Dec 8, 2008
The color picker in CS4 has 2 options: "actual layer" and "all layers".
I get the same values on multilayered documents no matter what option I take.
I have a german version of CS4.
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Jan 4, 2012
I can't seem to get my scanner to stop scanning documents in PS Pro...I have a letter I wanted to scan and email but it gets attached to the email as a Jpeg and opens only with PS. Not good for the reciever. How do I set up PS so it is not the default for scanned items?
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Nov 12, 2013
what is a better tool?
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AÂ Colour Correct
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B Colour Warper
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Are both capable of delivering the same result? Is the underlying tech the same on both and its only a matter of UI?
Smoke 2013 Ext1
17" Mac Book Pro
OS X 10.8.5
16 GB RAM
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Mar 5, 2014
I am struggling with color variation between different documents in AI. Even when both documents have been assigned the Adobe 1998 RGB color space, and colors are identically called out in RGB, my output varies between the documents. This is difficult as when I do color management is a "swatch" document to get my client approval, then insert that color into a different document, it changes. Any input?
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Mar 13, 2012
Is there a way to apply a color to selected objects without having to search for the color in the color palette. So say if I am working with an image that has multiple colors but want to use only one of the colors in that image, is there a way to apply it without having to create or add it to the palette.
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Mar 4, 2013
When I copy some text in Illustrator, say red text, and my color well is set to pink, the newly pasted text is now pink?
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Here is a short video of the problem, me copying the top text and without changing anything, pasting it. Note the color-well is set to black
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Aug 6, 2013
I'm about 3 months and many hours of tutorials into Premiere ProCC, Audition CC, and Encore CS6. Apparently the nifty dynamic links from PPro and Audition CS6 no longer work with encore, as encore was not upgraded to CC. So,
I want to sample color from an original Photoshop image, and create an Encore menu color set, so that my menu buttons, etc. are colored to match the main photo image in the menu. Is there an eyedropper kind of tool in Encore that would let me sample the color from the image, and then apply that to color swatches in the Encore button layers?
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Dec 4, 2012
Error message in the opening of Photoshop CS6. " Impossible to synchronize the regulations of color, because the file of parameters of color is untraceable ". Computor with Vista SP2
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Feb 19, 2013
I have a PSD file open and I added a new layer via the copy command. I have added a Layer Mask to the new layer and I'm trying to use the Brush Tool with black forground to cover part of the new layer. I'm following an online tutorial step by step, but when I try to use the Brush Tool I get "could not use color replacement tool because it only works in full color mode". The Image>Mode is set to RGB.Â
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Dec 9, 2012
--Toolbox: The 2 columns of Tools on the left side of the Editor screen.
--Foreground Color & Background Color: The color filled squares at the bottom of the Toolbox.
--Color dialogue box: This is the pop-up that is labeled at the top with "Color". It shows 48 different color squares (6 rows by 8 columns); they are labeled "Basic colors:". Right below the "Basic colors:" array is another 16 empty squares (2 rows by 8 columns) to be filled with colors to be defined. There is a "Define Custom Colors>>" button when clicked opens up a color picker with HSB RGB stacked below the color field screen. See this link to the Microsoft "Color Dialogue Box", [URL]
--Adobe Color Picker: The interactive dialogue box with the color field screen to the left and the HSB RGB numbers stacked on the right side.
[URL]
The problem:In PSE 10, when using the Eyedropper Tool or clicking on the Foreground Color or the Background Color, the Microsoft Microsoft "Color Dialogue Box" pops up instead of the "Adobe Color Picker" dialogue box. This started about a month ago. I use Windows 7.
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I want the "Adobe Color Picker" to pop up (like it used to) inside PSE 10.
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Nov 8, 2012
I have a photo of a painting that was taken with Kodak color checker patches on one corner. It looks like I need to adjust the colors in Photoshop.
I want to use the color checker as a reference to correct the overall image color and contrast. However, I don't know how to use it as I have never worked with color checker patches before.
how to color correct the image on photoshop?
I am attaching a cropped sample image. The original image is in RGB. The colors on the Kodak patch as follows: Blue, Cyan, Gree, Yellow, Red, Magenta, White, 3/Color, Black.
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Jan 2, 2013
To create a special effect (but not TOO garish!) I'd like to change this brownish meadow so that it looks much more like one of the swatches from my color swatches panel.
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Do I need to create a new adjustment layer, or are there other approaches? Below is a screen shot.
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Apr 5, 2013
How does one make a document one color and type in text of a different color?
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Jun 14, 2012
if you look at the image attached the colours on the right are what the color picker is displaying and if I use that hex code thats the colour the web page displays, but if i fill in any element the colours circled on the left are shown in photoshop.
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Why is the color picker window showing a different color to the whats displayed?
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Apr 17, 2013
I'm assuming this problem I'm having stems from having color-calibrated monitors, but let me know if I'm wrong!
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To preface, this is the setup I have:
Windows 73 monitors as follows, all have individual color profiles calibrated using the Spyder 3Cintiq 12WX Dell U2410Dell 2409WFPPhotoshop CS6 - Proofed with Monitor RGB, and tested with color-managed and non-color-managed documents . I usually do most of my work on the Cintiq 12WX, but pull the Photoshop window to my main monitor to do large previews and some corrections. I noticed that the color picker wouldn't pick colors consistently depending on the monitor the Photoshop window is on.
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Here are some video examples:
This is how the color picker works on my Dell U2410:
[URL]........
This is how it works on my Cintiq 12WX:
[URL].........
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Main Question
I know the Cintiq's video capture makes the picture look more saturated than the Dell's, but it actually looks fine physically, which is okay. But notice how the Cintiq's colour picker doesn't pick a matching colour. It was actually happening the opposite way for a while (Dell was off, Cintiq was fine), but it magically swapped while I was trying to figure out what was going on.
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Semi-related Question regarding Color Management
Color management has always been the elephant-in-the-room for me when I first tried to calibrate my monitors with a Spyder colourimeter years ago. My monitors looked great, but Photoshop's colors became unpredictable and I decided to abandon the idea of calibrating my monitors for years until recently. I decided to give it another chance and follow some tutorials and articles in an attempt to keep my colors consistent across Photoshop and web browsers, at least. I've been proofing against monitor color and exporting for web without an attached profile to keep pictures looking good on web browsers. However, pictures exported as such will look horrible when uploaded to Facebook. Uploading pictures with an attached color profile makes it look good on Facebook. This has forced me to export 2 versions of a picture, one with an attached color profile and one without, each time I want to share it across different platform. Is there no way to fix this issue?
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Pictures viewed in Windows Photo Viewer are also off-color, but I think that's because it's not color managed... but that's a lesser concern.
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