Reduce noise in any photo or image has now become reality with the version of Photoshop CS2.This program has a feature called "Reduce Noise".You will not be able to completely remove it, not to touch the important parts of the object pictures, but there is a real opportunity to significantly improve the sharpness of the picture.This article will discuss the main ways of how to remove noise in the "photoshop": color, brightness and other artifacts image format JPEG.
Why artifacts appear in the photos?The fact that not every camera is able to shoot high quality facility in a dark time.Even poor lighting in the building, the picture created by the low-quality camera turns with the noise that should be removed.That is what carries squelch for Photoshop, without damaging the photo.
main types of noise in the picture
As mentioned above, there are three main types of noise in the image.This noise brightness, color and other image defects resolution JPEG.Approaching filmed object on some of the photos, you can see blue, green and red pixels on its contours.Such an artifact - a color noise, which can be reduced with the help of specially designed for this filter "Photoshop".Here's how it works.From the menu, look for the item "Filter", chattering on it, select from the drop down list of "noise» - & gt;"Reduce noise ..." and proceed to the settings edit photos.
Filter - it is not a program for Photoshop pictures, and further regular built-in function.It is necessary to examine in more detail the dialog box, which you have to face while editing the image.
settings window
noise reduction filter contains a large preview area on the left side and several sections with different settings, noise levels right.As in the workspace "Photoshop" in the Preferences window as soon as possible to see changes in the image.
settings include four major scale:
- intensity;
- color noise reduction;
- field;
- level storage part contour.
Most of the settings can be edited in a percentage with the slider, and the intensity - on a scale.With these easy installation and intuitive editing window, you can easily get a handle on the question of how to clean up the noise in "Photoshop".In order to get the highest quality output to reduce the noise is first necessary to set all the sliders to zero and check to see whether a check mark beside removing artifacts JPEG.Then you can start to customize various sound effects at an optimum level photography.
The viewport can zoom in and out, increasing and decreasing the objects in the photo.So it made to the image of the changes seen much better.
Editing color noise
To begin editing photos with color noise reduction.What is it?This blue, green and red pixels around the edges of the object.Their we will try to remove using only the noise reduction filter.Let's get started.
- After we uploaded the photo and select "Reduce Noise" in "Photoshop" a window in which we need to increase the photo that you can see the red, green and blue dots.
- Then proceed to remove them by dragging the slider on the ruler with the name of color noise reduction.During editing, just look in the preview area on the result.Once the colored dots disappear at once, you can stop at the desired level and move the slider to edit the following types of noise.You can not exactly say what percentage of select, because each photo is unique and has its own artifacts.
How to reduce noise in the brightness of the image Photoshop
After removing the color of the defect you are still not satisfied with the result and are still wondering how to "Photoshop" to remove noise from photos?The next step may be called luminance noise reduction.Unlike the previous defect on the image appear black, gray and white spots.This is the noise intensity.To get rid of it, you must do a two-step control of the settings.First of all, you need to install the slider to the intensity of the zero level and then start setting.It is important to remember that the photo should be as realistic as possible.To achieve such a result, it is necessary to look at the preview window to compare with the original image.Along with the intensity setting is important to keep the details.Therefore it is necessary not only to the disappearance of the noise, but also for the conservation of the property.
Advanced filter settings
If no photo editors on the computer are not able to remove the noise without significant loss of image detail, then help advanced settings noise filter.They are in the same window as the ordinary installation, the only difference is that you must move the check mark from the "Main" on the item "Advanced".To the right of the edit window will appear the new settings.You must click on the tab titled "On the channel."How to remove noise in the "Photoshop" with the help of a small supplement?The point is that here you can get rid of the defects separately for each channel.For example, there is one line of pixels to reduce the blue, the other to remove the green and red dots to separate.For each of them can edit the noise intensity of brightness and save items for each of the channels.
Why these three channel you want to edit?The fact that the majority of images created on the basis of blue, red and green colors.It can be assumed that it is on any one channel will be much more noise than the other.That is why it effectively suppress individually.This leads to the fact that details of objects in the image will be much better preserved.
How to remove noise in the "Photoshop" by a noise filter, we discussed now is to pay little attention to the JPEG artifacts while saving photos.
Artifacts format JPEG
What is the defect and why is it there?No matter what image is used: fresh, just made high-quality digital camera, or is already stored in the graphics program Photoshop with the extension .jpeg - during the compression of the picture popping noise.Even no matter what photo editors on the computer you use, a JPEG image will always be lower quality, perhaps even individual pixels will look like.To get rid of such defects, it is necessary to establish a tick next to the item to remove JPEG artifacts in the noise filter settings.These actions will lead to the question: "How to improve the picture in" Photoshop "?"
Tips for removing noise
- Set initial parameters of a noise filter in the zero position, dragging all the sliders to the left.Then, to make regulation, since the color noise.
- observe the results immediately in the preview window.Zoom in and out the image in it for the best possible effect.
- If you can not clear picture of the noise, go to advanced settings by channel filter and get rid of the green, red and blue dots around the object.
other graphics editors photos on your computer to improve the image
Today, there are many different programs to remove artifacts pictures, ripple and noise.And all so that your pictures are high quality and the most beautiful.It is not necessary to use Photoshop, to remove noise from the brightness and color of your photos.You can download the program specially created for this purpose, for example, such as Color Reconstructor.Or install additional plug-in Adobe Photoshop Camera Raw - is a special program for Photoshop.Photo it can handle a huge amount, and with any known type of graphical expansion and contraction.But to maximize your picture quality and look nice, you should not only know how to process images, but also to select high-quality camera.
