How To Blur Background
Background blur is a great way to make sure your subject is the focal point of your image. Since we can't always control the background of a frame (especially crowds), blurring it to create the feel of a shallow depth of field is a great way to make sure that it's not competing for your viewer's focus. The blur tool can make this process a breeze.
You can use blurring to soften a selection or an image, to retouch a photo, or to remove noise in an image. The Blur commands smooth transitions and decrease contrast by averaging the pixels near the edges and near areas of significant color transitions. You can apply any of the Blur commands multiple times to the same image to increase the blurring effect.
To apply blurring based on nearby pixel intensity:
1. Install PaintShop Pro
To install PaintShop Pro photo editing software on your PC, download and run the installation file above. Continue following on-screen instructions to complete the setup process.
2. Apply Average Blur
Choose Adjust > Blur > Average. The Average dialog box appears.
3. Set Filter aperture
Type or set a value in the Filter aperture control. Values range from 3 to 31 in odd-numbered increments. The higher the value, the greater the blur. Click OK.
To apply minimal blurring:
2. Apply Blur
Choose Adjust > Blur > Blur. To double the effect, choose the command again.
To apply moderate blurring:
2. Apply Blur More
Choose Adjust > Blur > Blur More. To double the effect, choose the command again.
To apply Gaussian blurring:
2. Apply Gaussian Blur
Choose Adjust > Blur > Gaussian Blur. The Gaussian Blur dialog box appears.
3. Adjust the Radius
Type or set a value in the Radius control to specify the distance (radius) within which dissimilar pixels are blurred. Values range from 0.00 to 100.00. Click OK.
To apply motion blurring:
2. Apply Motion Blur
Choose Adjust > Blur > Motion Blur. The Motion Blur dialog box appears.
3. Set an angle
In the Angle group box, drag the angle dial, or type or set a value in the control, to set an angle from which the blurring is applied.
4. Control the strength
Type or set a value in the Strength control. Values range from 1 to 100%. Lower values lessen the effect; higher values intensify the effect. Click OK.
To apply radial blurring:
2. Apply Radial Blur
Choose Adjust > Blur > Radial Blur. The Radial Blur dialog box appears.
3. Pick a Blur Type
In the Blur Type group box, choose one of the following options:
- Spin — blurs pixels circularly around the image center
- Zoom — blurs pixels away from the center
- Twirl — blurs pixels in a spiraling manner. You can set the degree of the twirl by typing or setting a value in the Twirl degrees control.
4. Set the Strength
In the Blur group box, type or set a value in the Strength control.
Lower values lessen the effect; higher values intensify the effect.
If you need to squeeze the radius to fit the image, mark the Elliptical check box. This option produces elliptical blurring on rectangular images and has no effect on square images. Circular blurring is produced when the check box is unmarked.
5. Adjust the Center
In the Center group box, type or set a value in the following controls to affect the center of the image:
- Horizontal offset % — lets you set the horizontal center point of the blur
- Vertical offset % — lets you set the vertical center point of the blur
- Protect center % — lets you determine how much to diminish blurring at the image center. Higher values increase the radius of the unblurred center area.
Download a free trial now and start blurring image backgrounds today
PaintShop Pro's image editing tools allow you to quickly and easily blur an image background to create focus on your subject.
PaintShop Pro does more than just blur an image background
Check out some of the other photo editing features in Paintshop Pro, like edit image contrast, add text to photos, remove red eye, and more! Create high quality photos in a fun and easy to use photo editor and make your photos stand out more than ever.
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