Questions tagged [contrast]

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28 votes
11 answers
382k views

Adjust PDF Contrast with Adobe Reader/Acrobat?

We get PDF's from our professor to read for homework but they're often scanned documents, is there a way to adjust the contrast of the text to make it easier to read? Edit: I've got Photoshop but is ...
wag2639's user avatar
  • 7,134
19 votes
6 answers
51k views

Laptop screen changes contrast drastically when switching from a dark to light application

I have a ThinkPad W530 running Windows 8. When I switch from any darker application to any lighter application the contrast is off and takes a second or two to adjust back. I can very clearly notice ...
user12834's user avatar
  • 418
8 votes
7 answers
27k views

Can't disable dynamic contrast ratio (or auto brightness) on new gaming PC

I asked this on Reddit: https://www.reddit.com/r/techsupport/comments/718dw8/cant_disable_dynamic_contrast_ratio_or_auto/ So I got my new gaming PC a couple of days ago for Battlefield 1 and PUBG, ...
SMGRushBNoStop's user avatar
5 votes
3 answers
29k views

FFmpeg eq filter complex: Contrast

I am playing with the eq filter in FFmpeg: https://ffmpeg.org/ffmpeg-filters.html#eq Using a command like: ffmpeg -y -loop 1 -i input.jpg -filter_complex "[0:v]eq=1:0:1:1:1:1:1:1[outv]" -map [outv] ...
Jon G's user avatar
  • 307
30 votes
2 answers
30k views

Change color of scrollbar in windows 10

I was wondering if it is possible to change the color of the scrollbar in windows 10. At the moment the color difference between the slider and the background is small enough for me to have to ...
coolcat007's user avatar
23 votes
6 answers
394k views

How to properly adjust monitor brightness and contrast? [closed]

This days, it seems that I either go worse with my eyes or some settings with contrast and brightness have been changed. However, I have been searching now for some tutorial on how to adjust contrast ...
Johannes's user avatar
  • 331
10 votes
1 answer
5k views

On Windows 11, is there a way to make the window borders visible aside from the high contrast Accessibility options?

In a sea of dark/night themed windows, I find it very difficult to find where one window ends and the other begins as the borders are nearly invisible on my large 4K monitors. In Registry Editor I ...
Brian Kessler's user avatar
2 votes
1 answer
3k views

ffmpeg: adaptively stretch contrast

Consider a (color) video recorded under poor conditions. Its frames' brightest pixels are well below pure white, its darkest ones well above pure black. Can each frame's contrast be stretched closer ...
Camille Goudeseune's user avatar