Isabella Flores
Corel PaintShop Pro offers a range of commands and special effects to apply blurring to images, including the Gaussian Blur effect. This effect produces a hazy blur by spreading the pixels according to a Gaussian distribution. While blurring is often used for artistic and aesthetic purposes, there may be times when you want to undo a blur effect, such as Gaussian Blur, to retrieve the original image. This can be done by adjusting the blur settings, such as the blur intensity and radius, or by using other image editing techniques to sharpen the image. In this article, we will explore the steps to undo the Gaussian Blur effect in Corel PaintShop and restore the original image details.
| Characteristics | Values |
|---|---|
| How to undo Gaussian blur | It is not clear how to undo Gaussian blur, but Corel PHOTO-PAINT allows you to blur images non-destructively using the Gaussian Blur lens. You can limit and adjust the effect by painting on the lens. |
| How to adjust the blur | Move the Radius slider to adjust the intensity of the effect. Higher values increase the blur. |
| How to apply blur to specific areas | Use the Elliptical checkbox to apply elliptical blurring to rectangular images. For square images, leave the checkbox unmarked for circular blurring. |
| Other blur effects | Bokeh blur, Smooth, Soften, Zoom, Smart blur, Tune blur, Directional smooth, Jaggy despeckle, Low pass, and Motion blur. |
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What You'll Learn
Use the 'Protect center %' tool to control the blur's centre
The Protect Centre % tool in Corel PaintShop Pro allows you to control the blur's centre. This means you can determine how much blurring to diminish at the centre of your image. In the Center group box, you can set a value to affect the centre of the image. The Protect Centre % tool is one of the controls that lets you set the vertical centre point of the blur. The higher the value, the larger the radius of the unblurred centre area. This is particularly useful when you want to keep the centre of your image in focus while blurring the surrounding areas.
When applying a Gaussian blur, you can adjust the Radius control to specify the distance within which pixels are blurred. The Radius slider lets you adjust the intensity of the blur effect. By moving the slider or setting a value, you can control the strength of the blur. Lower values will result in a milder blur, while higher values will intensify the blur effect.
The Protect Centre % tool is especially handy when creating a bokeh effect, where you want a sharp focus on a specific area of your image while softening the background. By adjusting the Protect Centre % value, you can ensure that the desired area remains clear and unaffected by the blur. This tool provides you with precise control over the blur's impact, allowing you to create a range of artistic and creative effects in your images.
Additionally, when applying a blur effect, you can also adjust the Horizontal offset % and Vertical offset % to fine-tune the positioning of the blur. These settings allow you to set the horizontal and vertical centre points, ensuring that the blur is applied accurately. Together with the Protect Centre % tool, these controls give you the flexibility to create various blur effects, from subtle blurs to more dramatic ones, all while maintaining control over the focused area of your image.
It's important to note that the Protect Centre % tool specifically affects the centre of the blur, allowing you to protect a central area from the blurring effect. This tool is valuable for selectively applying blur to an image while keeping a specific region free from blur. Whether you're creating a bokeh effect or simply wanting to draw attention to a particular part of your image, the Protect Centre % tool in Corel PaintShop Pro gives you the precision and control you need to achieve your desired result.
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Adjust the Radius slider to change the blur's intensity
When applying a Gaussian blur in Corel PaintShop Pro, you can adjust the intensity of the blur by moving the Radius slider or typing/setting a value in the Radius control. This value determines the distance (radius) within which dissimilar pixels are blurred. The values range from 0.00 to 100.00, with higher values intensifying the blur effect.
To fit the radius to your image, you can use the Elliptical checkbox to produce elliptical blurring on rectangular images. If you leave the checkbox unmarked, circular blurring will be applied. You can further adjust the center of the blur by using the Center group box, which allows you to set the horizontal and vertical center points and protect the center area from blurring.
Additionally, you can fine-tune the blur effect by adjusting the following sliders:
- Blur amount: Controls the amount of blur outside the area of focus.
- Feather edge: Softens the transition between the area in focus and the blurred areas.
- Saturation: Adjusts the intensity of the colors in the photo.
By adjusting the Radius slider and these additional sliders, you can have precise control over the intensity and characteristics of the Gaussian blur effect in Corel PaintShop Pro.
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Use the Angle dial to set the angle of the blur
To undo a Gaussian blur in Corel PaintShop Pro, you must first open the Gaussian Blur dialog box. This can be done by selecting Adjust > Blur > Blur > Gaussian Blur. Once the Gaussian Blur dialog box is open, you can adjust the Radius control to specify the distance within which the pixels will be blurred. This will allow you to adjust the intensity of the blur.
After adjusting the Radius control, you can then adjust the angle of the blur. This can be done by opening the Motion Blur dialog box. Go to Adjust > Blur > Motion Blur. In the Angle group box, you will find the Angle dial. You can drag the Angle dial or type/set a value in the control to adjust the angle of the blur. The values range from 1 to 100%. Lower values will lessen the effect, while higher values will intensify it.
The Angle dial lets you set the angle from which the blurring effect is applied. This means you can choose the direction of the blur, which can be useful for creating specific effects or simulating motion. For example, you can use the Angle dial to create a radial blur by choosing the Spin option in the Blur Type group box. This will blur pixels circularly around the image centre, creating a spinning effect.
Another option for the Radial Blur effect is Twirl, which blurs pixels in a spiralling manner. You can set the degree of the twirl by typing or setting a value in the Twirl degrees control. This allows for even more customization of the blur effect, giving you greater control over the final outcome.
By adjusting the Radius control and the Angle dial, you can fine-tune the Gaussian blur effect in Corel PaintShop Pro to achieve the desired outcome. These tools provide flexibility and precision in editing, allowing you to create a variety of effects and simulate different types of motion in your images. Experimenting with different values and settings can help you explore the full potential of the Gaussian blur feature and create unique and captivating visual results.
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Create a Gaussian Blur lens to blur images non-destructively
The Gaussian Blur lens in Corel PHOTO-PAINT allows you to blur images non-destructively. When you create a lens, the changes you make are not applied directly to the image pixels but are displayed on the screen through the lens. The lens is created as a separate object on a layer above the image background, allowing you to edit the lens and the background image separately.
To create a Gaussian Blur lens in Corel PHOTO-PAINT:
- Go to "Object > Create > New Lens".
- If you want the lens to cover only a specific part of the image, first define an editable area using one of the mask tools.
- Choose "Gaussian Blur" from the "Lens Type" list.
- Type a name for your lens in the "Lens Name" box.
- Adjust the "Radius" slider to control the amount of blurring. A higher value will result in a stronger blur effect.
You can also use the Gaussian Blur effect in Corel PaintShop Pro to apply a blur to your images. The blur effect can be adjusted by specifying a value for the "Radius" control, which determines the distance within which dissimilar pixels are blurred. Values can range from 0.00 to 100.00. Additionally, you can experiment with different types of blur effects, such as Motion Blur and Radial Blur, to create various visual outcomes.
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Use blur commands to smooth transitions and decrease contrast
Corel PaintShop Pro provides a variety of blur commands that can be used to smooth transitions and decrease contrast in images. These commands can be applied to a selection, a layer, or an entire image.
One way to smooth transitions and decrease contrast is by adjusting the intensity of pixels. This can be done by averaging the intensity of each pixel with the average intensity of its surrounding pixels. This technique helps to remove noise and create a smoother appearance in the image.
Another method is to use blur commands to specifically target edges and areas of significant colour transitions. By averaging the pixels in these areas, you can smooth out abrupt changes in colour or tone, creating a more gradual transition. This is particularly useful for softening harsh edges or removing noise in images with strong colour contrasts.
Additionally, you can adjust the strength of the blurring effect to control the degree of smoothing and contrast reduction. By blending a specific number of pixels incrementally, following a bell-shaped curve, you can create a dense blur in the centre that gradually feathers out towards the edges. This allows for a more natural-looking transition and can be especially useful for simulating motion or creating dream-like effects.
It's important to note that the blur commands can be applied multiple times to the same image if a stronger blurring effect is desired. This allows for greater control over the final appearance of the image, ensuring that you can achieve the exact level of smoothing and contrast reduction required.
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