Images without colour information, displayed only in black, white and varying shades of gray.

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0
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1answer
23 views

Show color by dot density

Suppose I have a grayscale image and I want to translate the image into a black and white image (bw-image) in the following way: white color = no black dots in the bw-image ...in between.... black ...
1
vote
2answers
35 views

Grayscale, washed out effect for web page footer

I am trying to duplicate this portrait mosaic -- inspiration courtesy of Mozilla's homepage -- for a company intranet footer. I'm a Photoshop neophyte (more adept with Illustrator) and don't know how ...
0
votes
2answers
43 views

How can I save an image as a 2-bit PNG. any ideas?

Im looking to save an icon as a 2-bit PNG or BMP, any ideas? The lowest option in photoshop is 4-bit. My icons are 4-levels grayscale and must be saved as a 2-bit image. Is there a trick or a ...
1
vote
1answer
40 views

How to get 16-bit grayscale color picker in Photoshop

I am creating a 16-bit grayscale drawing in Photoshop. Unfortunately, the color picker doesn't show 16-bit grayscale numbers (0-32768). Without being able to input exact values, it's very difficult to ...
2
votes
3answers
548 views

How do I set a Photoshop image to just pure black and white, no grayscale?

i'd been googling for answers for this, all guides point me to make it grayscale, but actually it is still not enough, it still allows non-black(gray gradient). What I want is Suppose I ended up ...
2
votes
2answers
412 views

Saving an 8-bit grayscale image as a 2-bit image

Assuming there's an 8-bit grayscale image; what's the simplest method to save it as a "2-bit per pixel" image? Is it a binary image or something else (like a colormap image)? In the case of binary, ...
1
vote
1answer
188 views

8-bit gray image in gimp

I change the mode of my figure to Grayscale in the gimp and export it in the .eps format. But my output .eps figure still has CMYK mode. Is any other action that I most do to have a 8-bit gray image?
0
votes
0answers
168 views

scan/fax with text & numbers in black & white - how to improve/cleanup/enhance using Photoshop/GIMP?

I do not have a lot of experience with Photoshop or GIMP. I have a scanned or faxed document of an invoice/receipt that I am trying to submit to get reimbursed. I was mailed a copy with text that is ...
4
votes
2answers
337 views

Best Grayscale method for checking contrast?

While designing art assets in Photoshop, I've always tried to use the Grayscale method for checking the contrast levels. Unfortunately, different articles/sources recommend different methods of ...
3
votes
1answer
368 views

Retain original colour in a defined brush preset (alternatively, add colour to a grayscale image based on tone)

In Photoshop (or any other program), is there a way to define a brush from an image and retain the colour of the image in the brush, without it being converted to grayscale (and then becoming monotone ...
-1
votes
1answer
60 views

gray photos differ between pc and offset printing

i wanted to ask why gray photos differ between pc and offset printing. 86% gray seem whitish gray on pc but became black on offset printing , is there any solution to see how appear grayscale images ...
0
votes
1answer
121 views

How to ensure exclusive grayscale colors in Illustrator document?

I'm using Illustrator CS6 to create several black/white figures. Since the printing agency requires "well" prepared figures, I want to ensure that all figures are in grayscale, or in other words, that ...
7
votes
4answers
537 views

Is there a 'correct' way to convert an image to grayscale in Photoshop?

In Photoshop, there are several ways to convert an image into black & white. For example: Image > Adjustments > Desaturate; Image > Adjustments > Hue/Saturation and set the ...