Priya Kapoor
Corel PaintShop Pro is a photo editing software that offers a range of features, including the ability to blur the background of an image. This feature can be used to create a depth-of-field effect, emphasising a particular object or subject while de-emphasising the background. PaintShop Pro provides several commands and tools that allow users to apply different types of blur effects, adjust the blur intensity, and create elliptical or circular blurs. The software also includes AI-powered features, such as Portrait Mode and Background Replacement, that simplify complex tasks and enhance the photo editing process for photographers of all skill levels.
| Characteristics | Values |
|---|---|
| Purpose | To soften a selection or an image, retouch a photo, or remove noise in an image |
| Blur commands | Smooth transitions and decrease contrast by averaging pixels near the edges and near areas of significant colour transitions |
| Applying blur commands | Multiple times to the same image to increase the blurring effect |
| Average dialog box | 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 |
| Double the effect | Choose the command again |
| Gaussian Blur dialog box | 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 |
| Motion Blur dialog box | Simulate a photo taken while spinning a camera in circles, or while zooming in quickly at a very slow shutter speed |
| Angle group box | Drag the angle dial, or type or set a value in the control, to set an angle for the blurring to be applied. Values range from 1 to 100%. Lower values lessen the effect; higher values intensify it |
| Blur Type group box | Spin (blurs pixels circularly around the image centre) or Twirl (blurs pixels in a spiralling manner) |
| Blur group box | Type or set a value in the Strength control. Lower values lessen the effect; higher values intensify it |
| Elliptical checkbox | Produces elliptical blurring on rectangular images and has no effect on square images |
| Centre group box | Type or set a value in the following controls to affect the centre of the image: Horizontal offset % (lets you set the horizontal centre point of the blur), Vertical offset % (lets you set the vertical centre point of the blur), Protect centre % (lets you determine how much to diminish blurring at the image centre) |
| Depth of Field effect | Emphasize a particular object or subject while de-emphasizing what’s around it |
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What You'll Learn
Using the Depth of Field feature
The Depth of Field feature in Corel PaintShop Pro allows photo editors to emphasise a particular object or subject while de-emphasising what's around it. You can use this feature to make an object pop with clarity while blurring everything in the background.
To use the Depth of Field feature, make sure you are working in the Essentials or Complete workspace. To change your workspace, go to File > Workspace. Open your photo on the Edit tab. Go to Adjust > Depth of Field. You will see a Before window and an After window. Draw a circle (from the centre) that surrounds your object. To edit your selection, grab anywhere inside your selection to reposition it. Grab any of the small nodes around the circle to resize your selection. Using the slider or numerical input, try a couple of settings. For example, for this image, a Blur setting of 25 was chosen.
To adjust the blur transition between the foreground and background, choose a setting from the Feather edge setting. To adjust the amount of focus on the background, choose a setting from the Focus range slider. Once you’re pleased with your choice, click OK to return to the main window and view your results.
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Adjusting the blur transition
Corel PaintShop Pro provides several commands that let you apply a blurring effect to your images. You can apply these corrections to a selection, a layer, or an entire image.
To adjust the blur transition, you can follow these steps:
- Adjusting the Blur Strength: In the Blur group box, type or set a value in the Strength control. The strength values range from 1 to 100%. Lower values will lessen the effect, while higher values will intensify it. You can adjust the strength to control the number of pixels blended incrementally, following a bell-shaped curve. This results in denser blurring in the centre that feathers out towards the edges.
- Selecting the Blur Type: Choose the type of blur you want to apply in the Blur Type group box. The options include Spin, which blurs pixels circularly around the image centre, and Twirl, which blurs pixels in a spiralling manner. You can set the degree of the twirl by adjusting the Twirl degrees control.
- Adjusting the Blur Angle: In the Angle group box, you can drag the angle dial or type/set a value in the control to specify the angle from which the blurring is applied.
- Controlling the Blur Centre: In the Center group box, you can adjust the following controls to affect the centre of the image:
- Horizontal Offset %: Set the horizontal centre point of the blur.
- Vertical Offset %: Set the vertical centre point of the blur.
- Protect Centre %: Determine how much to diminish blurring at the image centre. Higher values increase the radius of the unblurred centre area.
By adjusting these settings, you can control the blur transition and achieve the desired blur effect in Corel PaintShop Pro.
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Removing noise
Corel PaintShop Pro offers a variety of tools to remove noise from your images. "Noise" refers to unwanted single pixels or groups of pixels that do not belong in the photo, often appearing as coloured specks. This can be caused by the camera or file formats such as JPEG.
One method is to use the JPEG Artifact Removal command, which can be applied to any file format. JPEG compression discards image information, so the ability to restore is limited. You can magnify the image to see the fine patterns clearly, then set a value in the Fine Details control to remove the pattern.
Another option is to use the Median Filter command, which works best when you select the problem area. In the Filter Aperture control, choose the number of surrounding pixels to include in determining the median pixel intensity. For single-pixel coloured specks, set the filter to 3.
The Pepper Filter command is also useful for removing noise. This works best when selecting the problem area. You can remove all specks smaller than a certain size by checking the "Include all lower speck sizes" box.
You can also use the Texture Preserving Smooth command to set a value for the strength of the correction. Lower values will remove a small amount of noise while preserving textured areas.
Additionally, the AI Denoise feature can remove random variations in brightness and colour caused by low-light environments.
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Applying Gaussian blur
Corel PaintShop Pro offers a range of commands to apply a blurring effect to your images, including the Gaussian Blur.
- Choose Adjust > Blur > Average.
- The Average dialog box appears. 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.
- Choose Adjust > Blur > Blur. To double the effect, choose the command again.
- Choose Adjust > Blur > Blur More. To double the effect, choose the command again.
- The Gaussian Blur dialog box appears. 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.
- The Motion Blur dialog box appears.
Other Blurring Options
You can also apply other blurring options, such as Radial Blur, which offers Spin and Twirl options. 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. Values range from 1 to 100%. Lower values lessen the effect, while higher values intensify it.
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Using the Angle group box
To blur the background in Corel Paint Shop Pro, you will need to access the Motion Blur dialog box. This can be done by choosing Adjust > Blur > Motion Blur. Once the Motion Blur dialog box appears, you can use the Angle group box to adjust the angle of the blurring effect.
The Angle group box contains an angle dial which can be dragged to set the angle of the blur. Alternatively, you can type or set a value in the control to adjust the angle. The values range from 1 to 100%, with lower values lessening the blurring effect and higher values intensifying it.
For example, if you want to create a subtle blur effect, you would set a lower value in the Angle group box. On the other hand, if you want to create a strong blur effect, you would set a higher value.
You can experiment with different values in the Angle group box to achieve the desired blurring effect for your image. Adjusting the angle of the blur can help you create a more natural or dramatic effect, depending on your creative vision. Playing around with these settings will allow you to gain a better understanding of how the Angle group box works and how it can be used to enhance your images.
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Frequently asked questions
To blur the background of your photo in Corel Paint Shop Pro, go to Adjust > Depth of Field. Draw a circle around the object you want to emphasise. Adjust the blur transition between the foreground and background using the Feather edge setting, and adjust the amount of focus on the background using the Focus range slider.
To adjust the blur intensity, go to the Blur group box and set a value in the Strength control. Lower values will lessen the effect, while higher values will intensify it.
To use the Depth of Field tool, make sure you're working in the Essentials or Complete workspace. Go to File > Workspace to change this setting if needed. Then, open your photo on the Edit tab and go to Adjust > Depth of Field. Draw a circle around the object you want to emphasise.
To create a radial blur, go to the Angle group box and set an angle for the blur by dragging the angle dial or typing/setting a value in the control. Then, go to Adjust > Blur > Radial Blur. In the Blur Type group box, choose Spin for circular blurring or Twirl for spiral blurring.
