Photoshop :: How To Extract Gray From Image
May 8, 2012
In Photofiltre, it's dead easy to extract the gray tones from an image to boost up the colours. It's often better than just increasing saturation or so.
But since I have Photoshop CS3 I'd like to do it there. It must be possible to do something like that too. But how?? I just can't find the right way?
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Sep 7, 2006
I have a TIFF file of a scanned microfilm page of a very old manuscript.
The background of the black fonts is gray, and it makes the reading of the text very hard.
My question is: is there a simple way to extract only the black fonts of the text, or otherwise to brighten up the background?
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Nov 13, 2012
I'm trying to combine a monotone image onto a grayscale image to use in my Indesign file. The whole job has to print two colors.
How can I easily make the diaper a PMS color and add it to the grayscale baby and still maintain two colors (PMS + K)
Right now, I'm cheating and combining the PMS diaper onto the grayscale baby in Indesign..... but I really need to have this in Photoshop so I can add shadows to make it more convincing. I tried converting the grayscale to CMYK and deleting all channels but black, didn't work as it took away all the information from the image.
See image below.
(using CS5)
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Jun 8, 2012
How can I create a 2D gray scale image from a color image?
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Dec 21, 2012
Is it possible to change the light gray background colour to a darker gray background colour?
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May 10, 2005
I have a gray Image that I need to turn it to green color. it is bunch of trees that should be appear in the green color.
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Jun 7, 2011
I have another question about GREY images.
Example: CTRL+click on grey channel theoreticly (by my theory) make selection from white depending on its value. So cuting out must leave transparent greyscale image. But it don't (okey, it do, but changes black value):
The same selection inverted and filled with 100%K gives correct result: Is my "theory" about CTRL+click selection wrong? Becouse for my point of view, both ways should give same result.
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Jul 30, 2008
Have to deepatch (cut out) a horse from this pic, but it's hairs are everywhere. Also, the background doesn't differ much.
Tried through channels, even quick mask pro 4.1, really run out of ideas, you tube can't help, no photoshop users that I asked can help. Can you, please?
Attached file is too small for you to see the details, don't know how to upload bigger image.
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Jan 1, 2009
i would like to convert a photo to gray scale but at the same time to remain a color in a specific part of it, let's say a flower.
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Sep 5, 2013
Attached is a .JPG I would like to modify. I have many drawing like this one that we would like to make into a catalogue.
I would like to make all theses doors the same image size with the a square transparent background.
I have figured out how to remove the background however when I try to adjust my image size it is still adjusting my canvas size.
What I have been trying to do is have a transparent background layer with the door image on a separate layer but I'm not having any luck.
I'm new to PS so my knowledge is limited. I'm using the CS4 extended version.
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Apr 12, 2012
I know this is a simple task if you understand masks better than I do but I normally slave away with max zoom and an eraser until I get the image extracted the way it looks good. Unfortunately for this image its going to be blown up and when I look at it the girl appears like she has been eaten around on all edges by termites.
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Feb 18, 2003
Say I want to extract a photo of someone and put it onto another picture with all of their strands of hair intact etc - I know you are meant to extract the image in 'extract' and do the highliting and filling etc, but I find this never works. I always get left with a jagged, bitmapped edge, no matter how much I play with the tolerance thingy.
Can someone tell me a definitive way of cutting a face out, as if it were Dirk Benedict on the cover of Corvette Monthly with all of his beautiful strands of hair on show?
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Jul 21, 2008
I have an image with our company logo on it that I need to single out so that I can use it on other documents. How would I extract the "Inverness Landing" logo from this image?
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Aug 26, 2007
if any of you know of a way to extract like a person out of a picture but a very detailed picture say for example a picture of a woman with her hair blowing in the air and each hair strand is captured?
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Feb 19, 2013
I have some large collections of images: columns of 8 to 10 images across with as many as 40 to 60 rows. These are exported from a program called CatDV Pro. Between each row is gray space -- my problem is that I need to reduce that gray separator between the rows to make a better visual display and also to get it to fit on the page of the book. I have about 30 to 40 of these image collections to process.
Some things I cannot do: reduce the size of the gray separators in CatDV Pro -- not possible. It is only possible to export the entire page of images together. Sure I could export each individual image but that would be a garganuan task -- not practical.
I don't want to cut and paste indivdual images or rows. Sure, it's possible but not at all practical.
I have tried Content Aware Scaling and it is not uniform enough. Some rows squish before others. I know about protecting some area in Content Aware Scaling but that doesn't seem practical either, not with 40 rows. Maybe I'm missing something there.
Here is a small sample of what I start with:
And here is what I want to end up with. (keep in mind the actual files have many more rows):
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Dec 19, 2012
I'm transcribing some of the metadata from image files to build a simple catalog. Included are things like dimensions, resolution, and photo date. Is there a way to extract this data other than manually?
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Mar 23, 2005
I wanted to extract a image form a background.
Here is what I am doing:
Opening Photoshop 7
Open .jpg file
Lasso around the image
Go to click Mask Icon but its greyed out and I could Not click it?
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Mar 10, 2006
I have this image, and would like to extract the drop shadow from it. I made the drop shadow using the blending options. I would like to just have the drop shadow so I can use it as a background image in a div.
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Jan 25, 2013
Just loaded cs5 onto a second computer legally. Any tiff or raw file brought into cs5 appears as a grey and white checker board image. From there its gets even crazier. CS5 works fine on the first computer. both loaded from the same legal disk.
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Aug 27, 2011
I have a high-res image of a model of a ship that I'm looking to put on top of a seascape image. The pictures below are a lot smaller and cropped then actual.
Here is a crop of the image of the ship, luckily it's on a plain background and nothing more complicated: After much trial and error, Fluid Mask did a decent job and I'm on the fence about saying useable:
However, this is a thought I had when scrolling through blending modes on the ship's layer. Here it is on Multiply:
Obviously it's too dark, but in terms of the edges on the small details like the ropes, it looks great. I got thinking about somehow automating Photoshop to recognize wherever a pixel is different from the background layer below it, Photoshop would be able to tell where the image is and where the background is, since Multiply removes any white but leaves other colors (albeit darker).
I don't know how this would be done if it's possible at all, I'm guessing with some sort of code made into a plugin or something.
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Dec 29, 2004
I have an image where there is an object in the foreground that is in the shade and the background that is bright. I want to correct the foreground image. I have tried to extract the foreground image and then drag the original picture onto the extracted one. I assumed that the I could somehow have the extracted image on its own layer and adjust it. When I do that either in the extracted file (before moving the original picture back onto it) or when I try to select its layer in the resultant picture, the entire picture -- foreground and background -- all layers, seem to get adjusted. How can I isolate the extracted image / layer to be able to adjust just that image.
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Jul 1, 2012
JPEG's are opening in CS6 (32 and 64) with a partial gray/white mask in place. Resizing usually makes them disappear but they shouldn't be there to begin with. OS is Win7. The files display fine in Bridge and other applications.
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Apr 23, 2013
I'm using Photoshop CS6. I have a CMYK image of fruit on a white background with a drop shadow that has some cyan, magenta and yellow. The drop shadow is NOT AN EFFECT. It is part of the original photographed image shot against a white background.
I want to turn the drop shadow into a percentage of black only. I have masked the foot so I have the white background and shadow isolated but now I'm not sure the best way to make the shadow a percentage of black only.
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Aug 18, 2013
How do I change the default toolbar background from dark gray to light gray in illustrator CS6? In the older versions, the toolbar backgrounds were light gray. It easier to read on light gray backgrounds. THe same question applies to Photoshop CS6. InDesign CS6 has light gray backgrounds.
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Feb 27, 2013
My company is switching from ctb files to stb files. With the ctb file, we make concrete hatch with two layers. A top layer with the concrete hatch pattern and a background layer with a solid hatch patern. The ctb file concrete plots the concete hatch black and the solid background hatch light gray. I am using civil 3d 2013 and the hatch allows a seperate background color mask. I am trying to make all my concrete layers (Top of Curb, Curb Flowline, etc.) a certain color scheme, i.e. shades of green. I would like my on screen concrete hatch patern to be a green color with a gray background, but plot the concrete hatch black with a gray background. I can not figure out how to do this without making two layers. Is there a way to use one layer and utilize the background color mask to show on screen green and gray, but plot black and gray?
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Oct 30, 2012
Why does a black through white gradient created in an RGB document have a B channel that differs from the R and G channels?
In 8-bit mode, only some of the "grays" have a mismatching B value and there seems to be more of them when the gradient is created by Gradient Tool than when it is a Gradient Fill layer. The difference seems to be 1 in the cases that I've seen.
In 16-bit mode, I see the B differ from R and G by 7 at black, gradually reducing to 0 at white.
Before someone says, "Why make a fuss about small discrepancies?", I'm asking why there is any difference at all.
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Dec 13, 2013
My exported gray scale jpeg image is coming back from the printer with a reddish tone. I'm applying a black 0% saturation transparency, using the gray scale color model in the Color Editor and applying it over the color drawing on the top layer.
Still, the print comes back with a reddish tone to it.
How do I eliminate this reddish tone?
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Sep 16, 2013
I'm working on an assignment for my concept stratagies class were we have to design a logo for assigned company. My logo needs a brushed look to it that i could only recreate with image trace. Completely new to this technique and so is my professor. Here's the issue:
Scanned in my tight pencil logo design and saved as a jpeg since there was no other option
Opened in Illustrator and used image trace... default everything except the threshold is set to about 102 or so to get the brushy look... also it's black and white
Extracted the image which gave me the vector that i needed
Selected the whole image to change the color to red and it turned gray.... that's not what I wanted...
I need to be able to change the color of this vector by 9/18/13...
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May 26, 2012
I am doing a head start in GIMP. That means i am pretty new to GIMP. I have a bunch of tasks to do.
At the moment - i have a special task. i have a image that has got some arrows - i want to extract the colors (that are the exact colors of all the arrows.) After this i want to draw in a new image a bunch of balls - exactly with these colors. Is this doable!?
´
Question: how do i do extract the exact colors - can i get the exact color scheme - some hexa-code or how would you do that!?
Attached File(s) pfeile_ausschnitt_.jpg (40.75K)
Number of downloads: 3
crazy_balls_only.jpg (67.61K)
Number of downloads: 3
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Dec 19, 2012
I'm using Illustrator cs6. I would like to change the dark gray background that surrounds the art board to a step and repeat patterns of our logo. We use screenshots as a means of generating low-res proofs. Having our step and repeat logo pattern as the background would allow us to easily include it in our low-res screenshot proofs. Can I replace the "system file" for the dark gray to our step and repeat pattern?
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Apr 1, 2014
2 days ago all was fine Lightroom worked like a champ... yesterday all I get are gray squares insted of photo image. I have reloaded Lightroom 5.3 no change......From the same usb harddrive all works great on my desktop computer.. With laptop the gray squares. I have tried the Synchronize folder no change tho numbers showed up in loup view.........but no images. From the stand alone hard drive I can get photos in Photoshop and BRIDGE.
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