Photoshop :: Levels/contrast Not Working
Mar 15, 2009
basically what is happening i am importing line drawings that i have scanned in. i am opening the TIF file then changing it to a PSD or JPG (i have tried with both) changed the mode to RGB and 8 bit
i then try to adjust the levels of the image to make the drawn lines i scanned in stand out more. the preview shows the lines getting darker but when i click "OK" the image just doesn't change and the lines stay faint. the same happens when i try to use just the simple "adjust brightness contrast" option aswell. is there something i can do? i cant seem to figure it out!
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Apr 8, 2008
I try to apply Levels & or Brightness & Contrast settings to an image, it always seems to revert back to the way it was. The filters won't do anything it seems. I have Adobe Photoshop CS2. At home it did the same thing and I re-installed Photoshop only to find out it still did not work.
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May 31, 2006
whenever [on any photo] i apply auto levels or auto contrast or auto color from the image>adjustments tab, the entire photo will completely white out as if i had added a new white layer over my active layer (which i am not doing). however, it only does this in 'auto' changes. so if i were to manually adjust my levels or my contrast or color, the 'white-out' effect wouldn't occur.
i really need this feature. i have already uninstalled/reinstalled photoshop cs2 and that didn't seem to fix the problem.
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Sep 11, 2006
I have over 300 photos that all need an auto levels, auto colour and auto contrast.
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Mar 8, 2011
looking at the image plane and the 2 inputs I used - diffuse / opacity (alpha channel), what parameters are the best way to adjust the image plane brightness / contrast / levels (photoshop style)?
That’s what I like about these forums. A great way to get straight to the point and learn stuff fast.
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May 8, 2012
I use Photoshop CS5. When i try to adjust the contrast of a picture, or brightness. It shows the desired change in the Preview. But when i click OK, the picture is not affected.
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Nov 6, 2004
My "auto contrast" keyboard shortcut is not working for some odd reason. "Alt+Shift+Ctrl+L"
If I go manually to Image>adjustments>Auto Contrast it works.
I'm on CS, XP, Dell.
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Feb 11, 2009
Using Photoshop CS3. I am trying to adjust the levels on a very simple bitonal scan from PDF. When I adjust them by going to, Image, adjustments, levels, the preview of it works and it shows what I want, but when I hit OK, it dissapears. If I go to Layers, New Adjustment Layer, Levels, it shows up fine until I save it.. I am trying to save it as a PDF file, and I am saving it with Adobe 6 (1.5) because of compatibility issues (so I've read), it should save layers. But its not saving. Or maybe it's not opening in my Adobe Acrobat? is there an update I need or something? Is there a step I am missing? is anyone else having this problem? Even so, the Level adjust should work regularly while in PS CS3.
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Nov 1, 2012
Installed and activated Photoshop CS5 on new PC running Windows 7. For some reason the Levels adjustment tool will not work. All other adjustment tools seem to be working as usual. How I can restore the Levels tool?
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Jan 3, 2013
I have an image that was originally scanned as a bitmap. It need some minor levels adjustment. I can make the adjustments just fine. Everything looks good on the screen but when I flatten it or export it as pdf the adjustments disappear, ie reverts to original image. I have tried converting to grayscale and RGB. I've even tried copying the image and pasting into a new document - nothing seems to work.
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Aug 15, 2012
What is the effect or process to, for example, ensure that normally washed out bright background on, say, a sunny beach, has same depth and contrast as the darker subject in the foreground? It is an unnatural state since your eye and most cameras will adjust to one extreme or the other.
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May 5, 2012
The contrast does not work evenly, or something. When I try to fix a hazy overcast horizon, the contrast just makes it worse --it appears to only work on the dark areas. Also, the shadows (I assume the renamed fill) appears to work unevenly as well. To accomplish what I want, before this version all I needed to do was boost the contrast and fill, and mayby tweek the brightness. Now I cannot get there from here.
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Aug 14, 2013
I make family videos that have photos and video clips in the order taken. I then add a background music to the music track. I have always been able to lower background music inserted in the music track over the video clips, and then bringing the level back up after the video clip is over. With VS X6, this is not working any more. One hears the level of the music lower and the level comes back up but not at the places that I have done them. Most of the time I use the Smart Music, but I have seen this problem with other music.
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Feb 20, 2013
what is the best method for adjusting brightness and contrast in CS6? Is it by simply adjusting the Brightness / Contrast properties in an Adjustment Layer or is there a better way of going about it?
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Nov 26, 2011
how I can remove this person with her hair intact from the background?
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Jul 31, 2013
Quick question: If I am creating a black line drawing with a brush, how can I ensure that I will be able to alter the contrast later on? Sometimes it seems to work, other times not at all (i.e. if I open the histogram, it shows just one line all the way to the left; the lack of colour suddenly becomes an issue).
I like to use a soft, slightly opaque brush at first - which with the tablet gives it a nice range of pressure, but then usually I need to up the contrast at a later point.
I'm using PS CS6.
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Jul 30, 2006
how to blend in the image so the contrast is smooth (even).
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Jul 17, 2006
how do i go about increasing a finished products contrast without losing its color values? you know, i don't want it to look completely faded. is there any way around this?
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Jan 11, 2006
I can go to Brightness/Contrast click on it and get a window that will allow me to adjust the Brightness/Contrast using sliders.
when I use Brightness/Contrast it will give me an eye dropper tool?
How do I get my Brightness/Contrast working again? I've reset my pallet locations and even re-installed the software.
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Dec 19, 2008
When I'm using the pen tool in Photoshop CS4, it sometimes takes the color of what I'm using the pen tool on, ie; if I'm working with a picture with a bright green or pink, the path is bright green or pink (see link below) The picture isn't the worst that it does, but if I took a screenshot when it's at it's worst, you wouldn't see anything. I went through all the preferences and saw nothing. I do have the OpenGL acceleration turned on.
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Mar 10, 2007
how to add light and contrast to the background only so i can make the main subject pop out. So how can i add brightness-contrast only for the background.
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Sep 12, 2003
I add a noise filter too the whole pic and then do brightness and contrast,the preview looks alright, press ok and the noise dosent change at all
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Jul 11, 2013
It's a small issue, but one that was a no brainer in CS5 - I use Legacy Brightness Contrast about 80 times a day, and CS6 no longer keeps it ticked, I have to manually enable it every single time, and by about the 57th time of having to do this every day, it becomes a more than a little irritating. As some of you will remember, CS5 just kept it ticked once you selected it.
The new brightness / contrast is great for certain tasks, not so great for others. I, and I'm sure many others rely on the legacy version.
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Dec 10, 2013
I edit a photograph from a Camera Raw file to high contrast, grainy black and white, then when I try to flatten it or save it, it washes all the contrast out completely. When I try to merge layers, flatten image or cmd+opt+e/cmd+opt+shift+e to a new file it does the same thing. Here's what I've tried to correct the issue:
-I've tried saving it as a PSD file, a TIFF, a JPEG and a BMP file
-I've tried calibrating my monitor (X-Rite i1 Pro)
-I've tried soft proofing on and off (left off for now)
-I've tried resetting my colour settings to import files into the working space as ProPhoto & Adobe RGB 1998
-I've tried setting the import as the calibrated settings for the screen rather than ProPhoto or Adobe RGB 1998
-I've checked that all files (apart from a Dodge/Burn Layer which has to be on Soft Light never affected any files before) were set to normal
-I've tried converting profiles from ProPhoto to Adobe 1998, Adobe 1998 to sRGB
-I've tried going to preferences in User>Me>Library>Preferences>Adobe Photoshop CS6 Settings and manually resetting all relevant references
-I've tried flushing and resetting all preferences
-I've tried to uninstall and install Photoshop SC6 from scratch
-I've tried restarting the image from the raw file with the new install of CS6, done all the edits again manually...
And it still does the same thing. Whenever I have adjustment layers on my file and have some contrast added that I want to save, it flattens the whole image out..The last attachment is what it looks like in photoshop and another with my colour settings for the (calibrated) screen
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Dec 16, 2011
Brightness/contrast only seems to have an effect on the 'background' layer--not on any subsequent layers I apply. And it only seems to be on the current docs that I am using--if I open some older ps docs from the recent past, brightness/contrast works fine on all layers...?
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Jan 7, 2009
I have a custom brush defined of my signature that I put on my photos. As I want the signature to be subtle so it doesn't detract from the photo, I use a colour that almost blends with the colours in that corner of the photo. The signature is visible, yet it doesn't attract attention.
As examples, the signature would be a shade of green over grass, blue over ocean, grey over asphalt, etc.
Selecting the color to use is trial-and-error, tweaking it several times so it isn't too bright, too dark, or too contrasting with the background. As each photo needs a different colour, this becomes time consuming after hundreds of images.
Is there a tool or other way in PS (either CS2 or CS4) to select a colour like this more quickly? Perhaps one that picks an "average" colour from the area for the signature, and then tunes it a bit brighter or darker so it will show up?
At the moment I an experimenting with using the Eye Dropper, set to 101x101 sample averaging (the largest available). So with the signature brush selected, I Alt-click to get this average colour. But then I still need to make the colour lighter or darker, otherwise the signature blends in too well, almost invisible. Is their a shortcut key way to lighten or darken the selected foreground colour?
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Sep 6, 2008
Looking to switch to the LCD / TFT type monitors - am on CRTs at the moment...
Some questions:
1/ I see that in many cases (models), even though the brightness remain constant - 300 cd/m2 - the contrast ratios vary from 800:1 to 3000:1
I would think the higher contrast ratio would be better but often more expensive monitors offer the 800:1 and cheaper ones offer the 3000:1. This from the same manufacturer. Am i missing something?
2/ Today, is there a difference between TFT and LCD when it comes to monitors or do they mean the same thing or rather are talking about the same thing?
3/ Another wild difference... some expensive ones are talking of a 16ms refresh while the cheaper ones are at 5ms
4/ Ideally, i'm looking for a 1600 x 1200 but - obviously these are not the widescreens. See some available at 20/21 inch category and they are the traditional 3:4 screen ratio (like CRTs). So would it be better to go for a 24" at 1920 x 1200... in about the same price range?
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May 19, 2006
I've been working on this photograhph. This is my great grandma, grandma and mom - and I really want to make this picture look better. I have been working with curves, which helps greatly with the contrast, and then tried reducing the noise with median/gaussian blur etc. and then selecting overlay.... but I haven't found anything that turned out even decent.
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Sep 18, 2008
I want to 'auto-contrast' the images
2. how does this function performs? I mean what does photoshop do in the image? also, can I set parameters for this function? and adjust it to my needs?
3. if I do this functions many times to a file, it will change it every time?
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Mar 23, 2006
how do i get to produce this picture, shown here with a full white background, except showing the eyes and eye brows and eye lashes.
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May 1, 2007
I am in Photoshop 7.
Is there a keyboard shortcut to the Brightness/Contrast?
I am tired of going through the menu.
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