Photoshop :: 2 GFX Cards - 10bpc Colour And 3D Acceleration - Will It Work
Nov 26, 2013
My 2 passions in life are Photography and Gaming (disclaimer: other than my wife and kids).
I need a fast gaming GPU for, well, gaming and a pro-level card so I can use the 10-bit per channel colour depth on my monitor with Photoshop and Lightroom. (Does LR 5 even support wide gamut screens?) I'm thinking of installing both in one PC, and connecting both cards to the same monitor (using a DVI and DP connector). I could then use the monitor input selector to decide which input to view.
The question is, if I'm using the 10-bit colour card for Photoshop/Lightroom would I get any of the benefits of the gaming card when doing things like processing RAW files, applying filters, etc?
I can only afford a good gaming card and entry level pro card. The cards I have in mind are an nVidia GTX 780 Ti and AMD FirePro V3900
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Jan 1, 2014
Will LR5 benefit of graphic cards acceleration with the new MacPro ?
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Feb 2, 2009
For some reason colours won't work on my photoshop, they all come out gray-ish. I can't figure out why this is,
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Apr 11, 2008
I have a B&W image in my PS2 (black car, white background) but when I click on image > adjustments > replace colour, on the background for example, it just goes gray...not the nice blue I want. This worked before with other images so I'm not sure why this is happening this time.
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Dec 1, 2003
Colour correction can involve up to seven steps: setting Gray to correct color, achieving good contrast, balancing colour to remove colour casts, adjusting skin tones, saturation, sharpening and converting to CMYK.
Make sure info palette is open. Set (palette options) your first colour readout to grayscale and your second to RGB. Choose the eye dropper tool and set the sample size to 3x3.
1. Finding Gray to correct colour
Find a neutral gray in the image. K in the info palette should read 50%. If there is no gray, find an object that is somewhat neutral. Write down the numbers displayed in the RGB readout window. Add these values together and divide by 3 to get the average brightness of these values. (Equal RGB values will create a neutral gray with no colour cast.)
Image>adjust>curves
Leaving the pop-up set to RGB will only change the RGB in equal amounts. This is not the correct procedure.
Start by choosing the Red channel. Click anywhere on the curve to add a point. Click on the input number and enter the Red Value of the sampled colour. Click on the output number and ten enter the average number you calculated.
Repeat this step for the Green and Blue channels. Most of the colour cast should be removed after this step is complete.
If the image looks totally out of whack, you may have selected from a poor area. Try finding another neutral area on the image.
2. Achieving good contrast
If the image looks flat and lifeless you may need to optimize the contrast. The best way to adjust the contrast is to adjust the levels for each colour. (Adjusting the RGB slider may cause posterization effects in your image.)
Image>adjust>levels
Change the pop-up window to Red and drag the input sliders (left and right) until they touch the beginning and end of the main histogram. Ignore stray pixels and concentrate on the areas where the slope begins and ends.
Repeat this process for the Green and Blue Channels.
Your image now has a full range of contrast (0-255) for each of RG&B.
3. Colour Balance (removing colour casts)
Highlight, shadow and mid-point are three areas of an image that should usually be a shade of gray. The objective here is to make the brightest area of the image as bright as possible and the darkest as dark as possible without losing detail.
Pure white (255, 255, 255) settings will "blow-out" when the image is printed and pure black (0, 0, 0) will "plug" when printed.
To adjust for this you need to set up minimum and maximum ink limits. Click on the foreground colour to open the colour picker. Set the Saturation (S) to 0 and Brightness (B) 100 (white) and then click on the Brightness button. Move the slider down the grayscale bar until the Magenta and Yellow readouts indicate values to who are adjusting toward. (M 5%, Y 5%) The cyan value is usually higher.
When done, check the RGB values to the left. They will show you the value (they should be the same) to be used to achieve the minimum ink values in CMYK. Make note of the RGB value.
Repeat the process for the shadow areas.
Total ink limit is usually around or less then 300% (add the CMYK values). Make note of the RGB values here as well. For the midtones area, refer to the colour readout in the info palette. Add the numbers and divide by three.
Create a curves adjustment layer. Since you are attempting to balance out the colours, you need to work on the individual colour channels by adjusting them. Add an adjustment point to each curve (central location) Proceed to apply the values for the highlight, shadown and midtones by selecting the appropriate adjustment point and entering the input and output values.
For the mid-point area you will have to use the individual RGB channel adjustment.
4. Skin Tones
I'll do this later. The image now should be pretty good and this step may not be necesary.
5. Optimizing Saturation
Before adjusting the saturation, turn on the Gamut Warning.
view>gamut warning
Create another adjustment layer for Hue/Saturation. If no gray appears in your image you can increase the saturation until you start seeing small areas of gray. If you see large areas of gray (blotches), your image is over saturated. Decrease the saturation if this is the case.
After all these corrections, merge the adjustment layers with the image.
6. Sharpening the Image
Use Unsharp Mask
Filter>sharpen>unsharp mask
Adjust Radius: Radius controls how wide samples are on each side of an edge. A small radius creates a smaller halo. A general rule of thumb is to use a radius of output resolution divided by 200 (300ppi/200=1.5 radius). This is a starting points but dont vary too much from it.
Amount: Amount adjusts how intense the halos are or how much tonal differences are accentuated. Start at around 200% and work your way up or down as desired.
Threshhold: Low threshold values result in an overall sharper image. Try starting at 3-4. Anything about 10 exclude so many areas it is difficult to see any effect in the image.
7. Converting the image to CMYK
Convert the image to CMYK mode and then turn on the Gamut Warning and check to see there are no large gray blotches. The image is now ready to print.
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Sep 18, 2012
If I have elements on separate levels and I use the colour range option to select the area, it works on all the levels, not just the level I have selected. That's not what I want! I only want it to select the colour range on that one level. The work around is to manually turn off other levels, but on a file with lots of levels, that can be tedious. Can this be avoided? Incidentally, magic wand works only on the selected level, but not colour range (or color range, if you are American).
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Apr 11, 2013
I'm new on illustrator so I'm still messing around with it.
The brushes seem to only do white lines whenever I select colours and try to draw with them! How do I make the brushes work properly?
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Jul 20, 2013
Ive noticed that initially photoshop will not allow me to use acceleration, I am using a Quadro based Laptop and would really like to benefit from its GPU. I know in Premiere Pro you can edit a File called "Supported GPUs" witch will allow you to use the Murcery Playback engine fine. Is there a way to do something similar in Photoshop?
System specifications:
Dell Latitude E6410
Corei5 520M
6GBs DDR3
Nvidia Quadro NVS 3100M
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Oct 16, 2008
I was led to believe that GPU acceleration features (like smooth zoom and rotate) were supported in the PS CS4 Standard edition. Under GPU Settings, Performance Preferences, it states "No GPU options available with Photoshop Standard". To me this is misleading advertising - I would have considered the Extended version if I had known.
Maybe this will help others not make the same disappointing assumption I have. I think Adobe should make this clear in the future. It really does make me feel slighted.
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Apr 12, 2012
Before opening an image in CS6 beta the 'Use Graphics Accelerator' is enabled; after opening an image, it is not and then an error is generated 'This feature requires graphics procesor acceleration . ' when attempting to use a filter/feature which requires HW acceleration. I have a supported graphics card, Radeon 6870, Windows7 64 bit, 8GB Ram. I've tried all 3 Advanced Settings.
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Apr 30, 2012
Im buying a new video card for my Photoshop PC, and Im trying to figure out if Photoshop supports GPU acceleration on both Nvidia and Radeon cards. Ive heard in the past that it only supported CUDA (Nvidia). I currently use CS5, but will update to CS6 at some point.
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Jun 30, 2012
Brush lags in Photoshop CS6 with GPU acceleration. Brush performs better with GPU Acceleration OFF, than with it on. Nvidia GTX 470
Latest nvidia drivers. Windows 7. 64bit
Edit: Installed newer Wacom drivers 6.3.2w3 which seems to have brought CS6 back to CS5s performance level after a reboot. Although brushes do still lag, especially the art brushes. Still not thrilled with performance yet.
Photoshops brushes are still faster with GPU accell off though.
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Oct 16, 2008
I currently own a laptop which I use heavily for image editing. It is powered by a very fast Core 2 Duo 2.4GHz and a power-efficient yet perfectly capable Intel X3100 integrated graphics chip.
My chip supports all of the necessary Shader versions, OpenGL 2.0, etc. ( http://en.wikipedia.org/wiki/Intel_GMA#GMA_X3100 ). However, when I visit the Preferences menu to enable the OpenGL acceleration, I am presented with a grayed-out option telling me I may need to upgrade my drivers or graphics card.
I have tried new driver versions. Certainly I should not have to purchase another card (impossible in a laptop in fact) seeing as my chip supports all of the requisite features.
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Aug 19, 2012
I recently purchased Photoshop CS6. I've installed on Windows 7 and run updates. I've also today updated my graphics drivers to latest version (catalyst 12.8). I have an AMD Radeon HD 7700 which has 1024MB RAM. This card is on the list of supported cards.
When I first load Photoshop I can look in "Preferences -> Performance" and see that the GPU has been detected correctly and 'Use Graphics Processor' is ticked.
However after loading any image, including using "File -> New" to open an blank white image, the GPU is disabled. Looking back in "Preferences -> Performance" it tells me:
"no gpu options available with photoshop standard"
What can I do about this?
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Oct 10, 2013
I currently have a Dell Precision M6700 which I had replaced my old laptop with in attempt to fix this very problem. I'm using Windows 7 x64 with Photoshop CC x64. Whenever I attempt to use my Cintiq 13HD with GPU acceleration enabled, the brush lags horribly on the smallest of canvases. Disabling GPU acceleration fixes it but I use many of the tools such as canvas rotation greatly. I've checked everything from spacing in brushes to trying different drivers.
My drivers for my 13HD are the latest and as are the drivers for the Firepro M6000. I'm extremely confused as AMD states that this is a certified adobe Photoshop gpu and the FirePro line is made with excellent Open GL support as far as I'm aware. I've searched other threads before with this issue and attempted various fixes to no avail. I'm especially baffled as this is a workstation class GPU.
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Jun 27, 2013
I did this now just PS will not work. Under the window on performance it says "Graphics Hardware Acceleration unavailable upgrade video driver & possible video card". The only thing I can find in the hardware for video is Intel (R) G41 Express Chipset (Intel GMA 4500). I upgraded the driver and I still get a fuzzy screen with artifact everywhere. This is on a desktop computer with an LED monitor.
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Oct 19, 2008
I have opengl acceleration turned on and it usually works. Problem is that sometimes a document looses it's acceleration. I'm not sure when this happens, if it is when i switch between documents or when i switch between photoshop and other applications. I can rotate my picture, but at some point when I want to rotate, I just get message that says something like document has not acceleration turned on. Other documents may be alright.
Is there some control where I can turn back on the acceleration for a specific document when it has lost it? Is there some registry hack that would disable this loosing of acceleration of some documents (except the known hack which will force the acceleration on old gpu's).
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Jun 18, 2013
Whenever I create a new colour in the colour swatches it only stays there for a couple of actions while working on a project. I understand from others that once they create a colour it stays there. Why can't I get that to happen?
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May 21, 2013
I am using CS6 and the Replace Colour Tool no longer allows me to replace multiple colours when I select the + . So when I have the panel open and I highlight the +, I used to then be able to click on several spots in my image and all of the colours that are in those spots are added to the selected colours that will be changed by using the sliders.
But now, when I use the + it has exactly the same effect as not using it - I can only choose one colour or an other, I can't add.....I want to reset this to the original way that this works.
Currently I have to open the panel, change one variation of a colour, save it, then re-open the panel and do it again (and again and again) until all the colour variations I am trying to remove are are changed. I know I also have the 'fuzziness' slider, but it does not give enough control.
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Aug 19, 2013
I am designing a T Shirt for my ski club.I have taken an image from a banner (made in illustrator, full colour image attached) and I want to devide into a 3 colour image for the t shirt (I am only allowed 3 colours for printing).The colours I want to use are black, white and purple. The colour of the t shirt is a light blue.I want to then put the purple logo on top of the white and black too.So I'm after a black and white grunge background with a punchy purple logo on the top.All of this should be on a tranparent or, for design purposes, light bue (same as T Shirt colour) background.
how to split a full colour image into using only 3 (4 including transparent/light blue background) exact colours.
If I were going to black and white I might convert to grey scale and then paint areas to fully white or fully black using an overlay brush I don't think this works for me for more than just black and white though.
I have attached two of my attempts where I used the colour range selection and level adjustments. Niether was really successful though (one does not use the right colours or number of colours but looks quite cool).
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Apr 13, 2012
I'm a long time user of Gimp. I use it for work and my work involves editing images on the scale of 22000 x 22000 px. With the Gimp 2.8 RC1 the release notes state the GPU acceleration can be enabled with the command line "GEGL_USE_OPENCL=yes"
How do I enable this line? Is it through starting Gimp via a batch file? I'm using the Windows 64 bit binaries so perhaps this was a switch that needed to be set during compiling Gimp. I'm not quite adept at compiling programs though...
How to enable GPU acceleration (or if it's already enabled). Otherwise... other performance improving tips. 16GB of DDR3-1600 works with a cache size of 10GB but my 1090T @ 4ghz can't push pixels fast enough.
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Jan 21, 2014
I was just making a short, 1:12-long video encoded as H.264 in an MP4 wrapper. I had edited the video in Premiere Pro CC, and was exporting through Adobe Media Encoder at a framerate of 29.97 FPS and a resolution of 1920x1080. I wanted to do a test to see how much GPU acceleration benefits me. So, I ran two different tests, one with and one without. The one with GPU acceleration finished in 2:09. The one without it took 2:40, definately enough to justify using GPU acceleration (my GPU is an NVidia GTX 660 Ti which I have overclocked). I am sure my benefits would be even greater in most videos I make, since this one had relatively few effects. However, I checked the file sizes out of curiosity, and found that the one made with GPU acceleration was 175 MB in size, and the other was 176 MB. While the difference is pretty small, I am wondering why it exists at all. I checked the bitrates, and the one made with GPU acceleration is 19,824 KB/s, whereas the other is 19,966 KB/s. I used the exact same presets for both. I even re-encoded the videos again just to test it and verify the results, and the second test confirms what the first showed. So, what I am wondering is: What is it that made this possible, and could this be used to my advantage in future productions?
In case it is in any way relevant, these are my computer's specifications:
-Hardware-
Case- MSI Interceptor Series Barricade
Mainboard- MSI Z77A-G45
Power Supply Unit- Corsair HX-750
[Code]....
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Apr 14, 2014
I have an AMD Radeon R9 290X GPU, After Effects CC, Windows 8.1 and i don't know how to activate GPU acceleration.
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Aug 10, 2013
I will like to find out the colour code for the background colour on a particular web address. Unfortunately I am new here so not allowed to post links so will say this as creatively as possible. the address is theregentlagos (with the usual prefix beginning with w and suffix beginning with c for all websites). I am referring to the colour where the menu items like logo, home, brands etc are on.
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Feb 25, 2004
I've been asked to convert an image to 2 colour for printing. I have the image as a full colour CMYK layout (with layers), but the whole thing needs to be converted to 2 colour. I have the pantone reference numbers for the 2 colours it is to be converted to. I am familiar with the hue/saturation tool, but this just seems to convert it to one colour, and you have no fine control over the exact colour you want.
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Mar 21, 2013
I had an issue[URL] with draping that turning off hardware acceleration sorted out.
It seems many issues are overcome by turning HA off or turning it on or toggling the setting so the question is what is HA for and why is it so problematic in Civil 3D?
IDSP Premium 2014 (mainly Civil 3D 2014 UKIE SP1 & Infraworks with some limited 3ds Max Design)
Win 7 Pro x64, 256Gb SSD, 300Gb 15,000 rpm HDD
16Gb Ram Intel Xeon CPU E5-1607 0 @ 3.00GHz (4 CPUs), ~3.0GHz
NVIDIA Quadro 4000, Dual 27" Monitor, Dell T3600
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Jul 24, 2007
I have a pack of tarot cards which I want to make it look as if flying in a storm..in a circular fashion...and then add my character in the middle...
Is there any way I can do that in PS?
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Sep 22, 2011
I'm having the X4 crashing issue when creating .mp4 files for my iPhone. I read that one of the potential resolutions was to turn on (or off) the hardware acceleration options. All those boxes on my performance tab are currently unchecked, but they are also grayed out so I couldn't check them to see if that worked for the crashing issue even if i wanted to.
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Sep 16, 2011
I'm trying to enable hardware acceleration in videostudio x4 for encoding, but the button is just greyed out. The decoding button is enabled. I have a core i7 2600k processor and a ati hd 6950 graphics card. The online support lists DXVA as supported. So is there any way to enable this?
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Jul 30, 2010
I've had this problem for a few weeks now. Customer Service has been unable to provide a fix (ie complete uninstall, re-installing from scratch, new drivers, etc). I have a fairly new I7 with lots of memory and disk space and an ATI HD4670 video card that is capable of hardware encoding acceleration....I run Vista 64 bit. I also have another software package on the computer that uses this feature okay.
Corel advertises hardware encoding as a big featuire of this release of Videostudio (X3 Pro).
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Jan 10, 2013
I discovered reading the "fine print" for another product that if you have an ATI or AMD graphics card, you may need to download and install the AVIVO codec package from AMD's website in order to enable hardware acceleration for encoding. The package is not included with AMD Catalyst 12.10.
After going to the following web site, you need to fill out a survey before you can download the package.
[URL]........
After installing the package, the "Enable Hardware Encoding Acceleration" option on the Performance tab in Preferences in VS X5 became enabled on my system.
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