Monthly Archives: May 2018

Easy Noise Reduction Tutorial in Photoshop

Have you always been scared of increasing the ISO on your camera in dim light because of the resulting noise in the images? Has this discouraged you from taking pictures in low light?

Fret not. This tutorial will take care of all your ISO noise anxieties and will let you go trigger happy during night shoots.

Noise reduction in Photoshop

  1. Open the image on which you need to reduce the noise.
  2. If you see the image panel, you’ll notice that the image will be opened as a background layer. Create a duplicate of the background layer (just in case).
    2
  3. Having selected the duplicate layer to go to Filter -> Noise -> Reduce Noise. A new window will open up with some sliders in it. Let’s break them down one by one.
    reduce noise window
  • Strength: This slider, affects globally. That means it will eliminate the noise pixels in the overall image.
  • Preserve details: Pixels tend to get blurred while reducing noise. The preserve details slider will bring back the texture and other small details in the image. Different combinations of strength and preserve details slider work differently for different images. You will have to experiment to see which combination gives the best quality.
  • Reduce Colour noise: This slider will reduce any floating colour pixels due to chromatic aberration.
  • Sharpen details: The blurring of noisy pixels may result in reducing the sharpness of the image. Use the sharpen details slider to restore sharpness in the image.
  1. At the end of all the sliders, you will see a checkbox that says “Remove JPEG artifacts”. This will remove any noise that may occur while saving the image as a JPEG.
  2. If you want to make noise reduction specific to the RGB colour channel, click on the advanced tab.
  3. Select the desired colour channel and make the adjustment to the strength and preserve details slider.
    channel wise noise reduction
  4. Once you are satisfied with all the changes, hit ok and the edited image will open in Photoshop.
  5. Unhide the layer on top to reveal the background layer. You will notice that noise has reduced from the original layer to the duplicate layer.
  6. Save your image and you are done with reducing the noise.
    noise reduction

Try more night shots

Now that you know the secret, try more night shots. ISO is a very good feature in digital camera if it only wasn’t for the resulting noise. Hopefully, camera manufacturers will try to come up with ways of minimizing the noise grains at high ISO but until then, this little Photoshop technique should do the trick.

Advantages of Digital Image Processing

image-processingWhen it comes to digital image processing, there are many different things that can be done. Ideally, in this multimedia world, it is really important to make sure that you offer the most attractive images. Unless otherwise noted, almost all high definition pictures you’ve received on the web have been digitally changed. This brings us to the need of the best image processing services.

Below are some advantages of digital image processing:

Google search algorithm for images: – Google search algorithm has been completely changed. Now Google can read images better and display quality results in their search engine. Google images/photos may be able to find and read and display similar category image results online. So it’s good for digital images processed by a specialist for quality and gets in Google search. Having a digital image can increase accuracy, high speed.

Flexible format: – According to the requirement, the image can be made available in any desired format.

Keywords in online e-commerce: – Digital images provide visual results that you want to show or not. So it directly talks to the people and influences the minds of the people. If we display quality pictures where the user can communicate (shopping) can show interest. If the quality of the image and the representation mark are not there, then the possibility of losing business or customers may be more.

Digital image processing plays a very important role in education: – Through digital image, we move advanced pieces of knowledge into linear algebra, data, possibilities, signal processing, geometry, algorithms, machine learning, data science and software development. Can. For example, the digital image can display any status properly. Due to the loss of revenue for doctors, the medical diagnosis was done more accurately and accurately rather than the old school methods to identify on the basis of visible symptoms.

Digital Image Processing in the Publishing World: – Nowadays every book is available on a digital platform. The demands and needs of the people are changing, therefore the optimized digital book needs today’s generation.

In the business world, every small and big thing is being analyzed. Therefore, you have to do your best to ensure that all images follow the same professional standards. You can offer some of the best image editing services of reality Premedia.