How to blur the background in PS

How to blur the background in PS

In photography and design, background blur is a common technique to highlight the subject and enhance the depth of the picture. This effect can be easily achieved through Photoshop (PS). This article will introduce in detail the method of blurring the background in PS, and provide you with practical tips based on the hot topics and hot content on the Internet in the past 10 days.

1. Commonly used methods to blur the background in PS

1.Gaussian blur: Adjust the radius value through "Filter" > "Blur" > "Gaussian Blur" to quickly blur the background.

2.Lens is blurry: Simulate the depth of field effect of a real camera, the path is "Filter" > "Blur" > "Lens Blur".

3.Quick mask + blur: After selecting the background with a quick mask, apply the blur filter.

4.blur tool: Directly use the "Blur Tool" in the toolbar to smear the background area.

2. The correlation between hot topics on the Internet in the past 10 days and PS skills

3. Detailed operation steps (taking Gaussian blur as an example)

1.Open picture: Import the pictures that need to be processed in PS.

2.Select background: Use the "Quick Selection Tool" or "Pen Tool" to cut out the subject and invert the selection of the background.

3.Apply blur: Click "Filter" > "Blur" > "Gaussian Blur" and adjust the radius (5-15 pixels recommended).

4.Fine-tuning effects: Use layer masks to modify edges to ensure natural transitions.

4. Precautions

- The blur intensity needs to be adjusted according to the image resolution. If it is too high, it will cause distortion.

- For complex backgrounds (such as trees), it is recommended to combine "channel cutout" to improve accuracy.

- Save in PSD format for subsequent modification.

5. Extension skills: dynamic blur and tilt-shift blur

If you need to simulate motion effects, you can use "Motion Blur"; and "Tilt Shift Blur" can create a miniature landscape style. These two methods are widely used in recent creative works on social media (such as Xiaohongshu).

Summary

Mastering PS background blur techniques can not only improve the quality of your work, but also keep up with design trends. Whether you're working with photos or creating new media, use the blur tool to make your work stand out.