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Real Estate Photography

How to Avoid and Reduce Noise in Photos?

Are you trying to figure out how to get rid of that grainy look in your photos?

If you’re a real estate photographer, you’ve likely dealt with those tiny specks that show up in your images. These specks, known as noise, can make your photos look less sharp and clear than you’d like. It’s especially frustrating when you’ve worked hard to capture great shots, only to have them spoiled by noise.

The good news is that there are ways to minimize noise in your photos. In this article, we’ll explore some simple methods you can use to make your real estate images look cleaner and more polished.

But before we dive into the solutions, let’s start by understanding what noise in photography and how to degrain images.

What Is Noise in Photography?

Noise in photography refers to the grainy or speckled appearance in an image, usually caused by shooting in low light or using high ISO settings. It’s like static on an old TV screen, where tiny dots or distortions affect the clarity of the picture. This can make an image look less professional and reduce its overall quality.

In real estate photography, noise can be a big challenge. When capturing interiors or dimly lit spaces, noise often creeps in, making rooms appear dull or uninviting. For example, if you’re photographing a cozy living room in the evening, the noise might take away from the warm, welcoming vibe you want to convey.

To avoid this, photographers often adjust settings like ISO, aperture, and shutter speed or use tools like tripods and proper lighting. Post-editing software can also help clean up noise, making the images sharper and more appealing. In real estate, where visuals play a huge role in selling a property, eliminating noise is important to ensure every room and feature looks its best. After all, clear and polished photos can make all the difference in grabbing a buyer’s attention.

What Causes Noise in Photos?

Noise in photographs can be a frustrating issue, but there are ways to both reduce it and prevent it from happening in the first place. Here's a breakdown of how to tackle noise in your images:

1. High ISO Settings

Noise often appears when the ISO is set too high. This usually happens in low-light conditions when the camera struggles to brighten the image. Increasing the ISO helps make the picture brighter, but it also lowers its quality, leading to noise. To avoid this, try lowering the ISO or consider using a lens that lets in more light.

2. Camera Sensor Issues

The condition of your camera sensor, or matrix, can also cause noise. If the sensor is damaged, it might have broken pixels that don’t function correctly. These pixels may always display a specific color, like red, green, or blue, which shows up as noise in your photos.

3. Sensor Pixel Size

The size of the pixels on your camera’s sensor matters. Larger pixels can capture more light, reducing noise in photos. Cameras with bigger sensors tend to produce cleaner images, especially in low-light settings.

4. Camera and Lens Quality

Entry-level cameras and lenses are more likely to produce noisy photos compared to higher-end models. Professional cameras typically have larger sensors and can handle higher ISO levels without losing image quality. Similarly, premium lenses can reduce noise due to better technology and build quality. Lenses with wide apertures, such as f/2.8 or lower, allow more light to reach the sensor, which helps in low-light situations without needing to increase ISO.

5. Issues During Editing

Noise can appear during post-processing, especially if the following adjustments are made:

  • Increasing Exposure: Brightening the entire photo too much can make noise more noticeable.
  • Brightening Dark Areas: Over-adjusting shadows can bring out grainy textures in those parts of the image.
  • Sharpening the Image: Adding too much sharpness can emphasize noise, making it more visible.
  • Boosting Saturation: Over-saturating colors can highlight color noise, which looks like random specks of color in the image.
  • Adjusting White Balance: Making drastic changes to the color tone, such as reducing blue and adding yellow, can amplify any existing yellow noise.

How to Avoid Noise in Photos?

Getting rid of noise in photos can improve their quality and make them look more professional. Here are some simple ways how to degrain images and reduce noise in your images.

1. Choose a High-Quality Camera

Investing in a good camera can make a significant difference in reducing noise. Look for one with high resolution and a low-noise performance. If you’re not sure where to start, there are plenty of reliable options, such as DSLRs or mirrorless cameras, that work well for various photography needs, including real estate.

You can check out our guide to learn more about the same.

2. Use a Full-Frame Sensor Camera

A full-frame sensor can significantly improve the sharpness and clarity of your images. These sensors are larger and can capture more light, reducing the chances of noise.

The sensor in a camera collects light through tiny, sensitive points called photosites. A larger sensor gathers more light and data, which helps keep the image cleaner and clearer.

3. Save Images in RAW Format

Shooting in RAW format gives you more control when editing your photos. RAW files store more information compared to JPEGs, which makes it easier to reduce noise during post-processing.

Different cameras use specific RAW file types like CR2 for Canon, NEF for Nikon, and ARW for Sony. Ensure your editing software supports the RAW files from your camera so you can take full advantage of this feature.

4. Keep the ISO Setting Low

A lower ISO setting can reduce the amount of noise in your images. However, lowering the ISO often requires adjustments to shutter speed and aperture. For instance, using a slower shutter speed can introduce motion blur, while a wider aperture reduces the depth of field.

Many cameras allow you to set a maximum ISO limit, so you can avoid unwanted noise even in challenging lighting.

5. Ensure Good Lighting

Proper lighting can reduce the need for high ISO settings or exposure adjustments, both of which can increase noise. If natural light isn’t enough, consider using external lighting equipment to brighten your subject.

Avoid heavily increasing exposure or shadow details in editing, as this can make noise more noticeable.

6. Adjust Exposure Carefully

When taking photos, aim for a slightly brighter exposure without overexposing or losing detail in the highlights. You can monitor this by checking the histogram on your camera.

  • If the graph is shifted to the left or center, increase the exposure slightly.
  • If it’s leaning too far right, reduce the exposure to avoid losing details.

By slightly overexposing your image, you can minimize noise in darker areas while maintaining a balanced look. Just be cautious not to use long exposures that might heat up your camera’s sensor.

7. Use HDR Settings

High Dynamic Range (HDR) settings can be a great tool to reduce noise, especially in photos with a lot of contrast between bright and dark areas. HDR works by taking multiple shots at different exposures and blending them into one image. This helps capture more detail in both the shadows and highlights, resulting in a cleaner, more balanced photo.

Using HDR settings can reduce the need for high ISO, which is often a cause of noise. However, it’s important to avoid overusing HDR, as it can sometimes lead to unnatural-looking images if the settings are pushed too far.

How to Remove Noise from Photo?

Noise in photos can be a real nuisance, but thankfully there are ways to remove noise from Photo:

  1. Adobe Photoshop: This is a powerful tool with sliders to adjust the strength of noise reduction, preserve details, and reduce color noise.
    Camera Raw: If you shot in RAW, Camera Raw offers excellent noise reduction controls.
  2. Adobe Lightroom: Similar to Photoshop, Lightroom has robust noise reduction capabilities within its Develop module.
  3. Other Software: There are many other photo editing programs with noise reduction tools, such as GIMP (free), Affinity Photo, and Capture One.
  4. Online Tools: Several online tools like Fotor, BeFunky, and Picsart offer AI-powered noise reduction that is quick and easy to use.

How to Reduce Noise in Lightroom?

No one wants their photos to look grainy or full of noise. Thankfully, Lightroom has some powerful tools to clean up your images. Here’s how to get those sharp, crisp photos with minimal noise:

1. Import Your Photo into Lightroom

First things first, open Lightroom and import your image. Go to the Library Module and click Import to select your photo. Once your image is ready, head over to the Develop Module to start editing.

2. Zoom In to See the Noise

Before making any adjustments, zoom in on your image (at least 100%) to see the noise clearly. This will help you spot the grain and understand what you’re working with.

3. Open the Noise Reduction Panel

Scroll down on the right-hand side of Lightroom to find the Detail panel. This is where all the magic happens. Expand it, and you’ll see the Noise Reduction section.

4. Adjust the Luminance Slider

In the Noise Reduction section, start by adjusting the Luminance slider. Moving it to the right reduces the brightness noise (the grainy texture). Start with small adjustments around 25 and increase if needed. Don’t overdo it, as it can make the image look too soft.

5. Fine-Tune the Detail and Contrast

After reducing luminance noise, fine-tune the Detail and Contrast sliders to maintain the sharpness and definition of your photo. Detail controls the amount of fine texture that’s kept, while Contrast helps to preserve the contrast between light and dark areas. Play around until the noise is reduced without losing too much sharpness.

6. Tackle Color Noise

If you notice color noise (those pesky colorful specks), adjust the Color slider under the same Noise Reduction panel. Move it to the right to smooth out any color distortions. Usually, setting this around 25-30 works well.

7. Use the Masking Slider (Optional)

If you want to avoid softening important details like eyes or texture, use the Masking slider. Hold down the Alt/Option key while dragging the slider to create a mask that only affects the noisy areas. This is a great way to keep your subject sharp while reducing noise in the background.

8. Check Your Work

Zoom out to see the whole image and check how the noise reduction looks. You may need to adjust your sliders slightly to get the perfect balance between noise reduction and detail preservation.

9. Export Your Image

Once you’re happy with your noise-free image, it’s time to export. Click File>Export, choose your settings, and save your polished photo.

How to Reduce Noise in Photoshop?

Here's a breakdown of how to tackle noise in Photoshop:

1. Open Your Image in Photoshop

Start by opening your noisy photo in Photoshop. Go to File>Open, select your image, and hit OK. Once your image is loaded, you’re ready to get started.

2. Duplicate the Layer

To keep your original image safe, make a duplicate layer. Press Ctrl + J (Windows) or Cmd + J (Mac) to create a copy. You’ll work on this duplicate layer, so the original is untouched.

3. Convert to Smart Object (Optional)

For more flexibility, convert your layer to a Smart Object. Right-click on the duplicated layer and select Convert to Smart Object. This allows you to make adjustments non-destructively, so you can tweak settings later if needed.

4. Open the Noise Reduction Filter

Now, it’s time for the magic. Go to Filter>Noise>Reduce Noise. A new window will pop up with several sliders to help you remove noise from your image.

5. Adjust the Strength

Start by adjusting the Strength slider. This controls how much noise is reduced in your image. Slide it to the right to reduce the noise, but be careful not to go too far—it can make your image look too soft. A value between 10-20 is usually good for most images.

6. Reduce Color Noise

Next, check the Remove Color Noise box. This helps to eliminate those ugly color specks that pop up in noisy images. If your photo has noticeable color noise, slide the Color Noise slider to the right to clean it up. A value between 40-60 is often effective.

7. Fine-Tune the Detail Slider

While reducing noise, you don’t want to lose all the fine details. Use the Detail slider to keep your photo sharp. If you notice that noise reduction is blurring important details, reduce the amount of detail reduction by lowering the Detail slider.

8. Use the Sharpening Option

If your image has become too soft after reducing noise, use the Sharpen Details slider to bring back some crispness. Increase it slowly to avoid reintroducing noise. A setting around 25 usually works well.

9. Preview Your Changes

At the bottom of the window, make sure to check the Preview box to see your adjustments in real time. Toggle the Preview on and off to compare the before and after results. If you’re satisfied with the result, hit OK.

10. Final Touches with the Camera Raw Filter (Optional)

For a bit more control, you can also use the Camera Raw Filter for noise reduction. Go to Filter>Camera Raw Filter. Under the Detail tab, you’ll find additional noise reduction sliders like Luminance and Color Noise. Play with these for even finer adjustments.

11. Save Your Image

Once you're happy with the smooth, noise-free image, save your work! Go to File>Save As to choose the format you want (JPEG, PNG, etc.), and hit Save.

Let Styldod Do Your Work

If editing photos isn’t your thing or you just don’t have the time, let Styldod handle it for you. Our expert team can quickly transform your images, making them look crisp and professional.

Using top-notch editing tools and a sharp eye for detail, we ensure your photos really stand out without breaking the bank. Give it a try and see the difference for yourself!

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Shital Gohil

Co-Founder and Chief Operating Officer at Styldod

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