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How to Sharpen Images in Photoshop CC

Published: 18/07/2022

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When capturing real estate photos, your camera or lenses may not capture sharp images as you expect. Fortunately, learning how to sharpen images in Photoshop CC during the post-processing phase will help you improve the appearance of your images and make them as crisp as possible.

How to Sharpen Images in Photoshop CC

Sharpening photos is one of the basic things every real estate photographer should know when editing interior and exterior photos. Although you cannot change the focus of an image once it is captured, it is possible to enhance the sharpness in Photoshop.

Image sharpening works by increasing contrast on the photo's edges, making the edge's dark side darker and the light sides lighter. The more you increase sharpness along the edges, the sharper the image becomes. However, Photoshop does not enhance the sharpness of excessively blurry or out-of-focus photos.

Photoshop provides several techniques you can use to enhance the sharpness of an image. Keeping in mind that Photoshop CC is the latest Photoshop version with advanced features and filters, it allows you to increase the contrast along the edges of your image using the following ways.

Unsharp Mask Filter

The Unsharp Mask sharpening filter creates a mask for the initial image using a blurry negative.

Usually, the mask is derived from the initial image to detect the edges, after which it selectively increases the contrast along those edges. Regardless of the blurriness of the image you are working on, you can use the following steps to sharpen it.

Open the Photo in Photoshop

Navigate to File in the top menu bar and choose Open. The mac finder will open if you are using a mac or the file explorer if using a Windows PC, and then browse to locate your image.

Duplicate the Background

Once your image is open in Photoshop, the image will open as the background layer, and the layer will be locked by default. Considering that the original image should remain untouched so it can be your backup in case of a mistake, you should ensure you work on a separate layer.

Selecting the Duplicate Layer option in Photoshop to edit an image of a house with a manicured lawn

Typically, using multiple layers enables you to use masks and leave some regions without any sharpening or even apply varying amounts of sharpening to different regions.

Right-click on your background layer, and choose Duplicate Layer from the menu that pops up. Usually, the new layer’s properties panel opens when you create the new layer, and it's advisable to rename the duplicate layer so you can keep track of your workflow. Click OK to confirm the creation of a duplicate layer.

Renaming the Duplicate Layer in Photoshop for an image of a home with a green lawn

Adjust the Blending Mode

Selecting the Blending Options in Photoshop to edit an image of a house with a manicured lawn

With the duplicate layer highlighted, launch the Blending Modes menu and set it to Luminosity. Typically, it's because you want to work on the contrast or the lightness of the pixels and not alter your photo's saturation or color.

Selecting Luminosity in Photoshop to edit  a picture of the exterior of a house during twilight

Apply the Unsharp Mask Filter

Navigate to the menu, choose Filter, Sharpen, select Unsharp Mask, and the filter dialogue box will open. Set the Radius size of your choice and choose the level of sharpness to add.

Applying the unsharp mask filter in Photoshop to edit a photo of the front yard of a house

Ensure the Preview option is checked to allow you to view how the filter is affecting the entire image. The Amount slider regulates the amount of sharpness while Radius controls the image pixels around the edges that the filter will affect.

The Threshold slider displays the amount of contrast you need to apply between zones for the filter to take effect and for them to be considered edges. Adjust the sliders without increasing them to extreme levels as you watch the effect. Once satisfied, click OK.

Viewing the preview option of the Unsharp Mask tool to edit an image of a home with a green lawn

Fine-Tune the Effect

If the sharpening effect still looks unnatural, you can try adjusting the Opacity of the sharpened layer to make it more accurate. Additionally, you can try using layer masks to apply the filter to only certain regions of your photo.

Selecting the options in the Layer Mask tool to edit an image of a house with a manicured lawn

You can do this by clicking on the Create Layer Mask button at the bottom of the Layers panel. Leave white on the areas you want to remain visible and paint in black the regions you want to be invisible.

After fine-tuning your image and ensuring that it is sharp and looks realistic and natural, flatten the image from the Layers menu and click on Save.

Smart Sharpen Filter

The smart sharpen Filter has some unique features that are not present in the Unsharp Mask. For instance, it detects edges and generates fewer color halos than the Unsharp Mask.

Selecting the Smart Sharpen Filter in Photoshop to edit a picture of the exterior of a house during twilight

Like the Unsharp Mask, begin by opening the photo that requires sharpening and duplicating the original layer, and then use the following steps to sharpen the image.

  1. Open the Smart Sharpen Filter: Go to the menu, choose Filter navigate to Sharpen and then choose Smart Sharpen to open the filter dialogue box. Usually, you can choose Default from the preset menu to use the preset menu.
  2. Customize the filter: If unsatisfied with the default setting, manually move the sliders to create a custom filter. Move the Amount slider to set the amount of sharpening and then adjust the Radius, just like in the Unsharp Mask. You can also move the Noise Reduction slider to regulate the noise and graininess effect.
  3. Set the Remove blurriness menu: Keeping in mind that blurriness can result from different issues, if the blur results from the camera shake effect, use the Motion Blur option and if it results from the optics you were using, set the Remove menu to Len Blur.
  4. Adjust the sliders under the Shadows or Highlights section: These sliders will help you get rid of light or dark halos in case they appear. Typically, haloing means that a bright border is starting to appear around the most contrasting regions of the photo.
  5. Fine-tune and save: You can also fine-tune the sharpness using opacity and masks before you save your work, just like in the Unsharp Mask Filter. Click OK to apply the filter.
Adjusting the settings for the Smart Sharpen tool to edit an image of a house with a manicured lawn

How to Selectively Sharpen Specific Parts of an Image

Since you might not want to sharpen the whole photo, you can sharpen specific parts of an image using selective sharpening. Usually, you will need to use the brush tool for quick results. Duplicate the background and sharpen using the same procedure for filters.

Selecting the Reveal All option in Layer Mask for editing a photo of the front yard of a house

Highlight the top layer and then choose Add Layer Mask. After all the sharpened layer’s regions are visible, a white mask thumbnail will appear near the layer thumbnail. Press Command + I (mac) or Control + I (Windows) to hide the sharpened layer. From the toolbar, select the Paint Brush and choose a soft brush.

Selecting a brush tool in Photoshop to edit an image of a home with a green lawn

Highlight the thumbnail and set the color to White, and then paint the regions of the image you want to sharpen. Setting the color to white makes the hidden areas visible again, allowing you to sharpen only the required areas.

A sharpened image of a house with a manicured lawn

Frequently Asked Questions

Is the High Pass Filter Ideal for Image Sharpening?

You can use the high pass filter to sharpen images without the sharpening tools. It is an ideal method of giving your photos a crisper and sharper appearance before printing or uploading. It also works well with the film and noisy images with lots of grain.

How Do I Auto Sharpen in Photoshop?

Double-click on the zoom tool from the tools panel to zoom in to 100% to precisely control the sharpness. With the layer highlighted, navigate to the Filter menu and choose the Convert for Smart Filters option to sharpen images without changing them permanently.

Final Thoughts

The attractiveness of a real estate property mainly depends on the quality of the photos. Knowing how to sharpen images in Photoshop CC will help improve the aesthetic looks of your real estate property images. Usually, you can sharpen images using the Unsharp Mask Filter and the Smart Sharpen Filter.

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