How to remove noise in PS? Popular topics and practical tips on the Internet in the past 10 days
Recently, discussions about Photoshop (PS) image retouching techniques have become increasingly popular on major social platforms, and noise processing in particular has become the focus of user attention. The following is a compilation of hot topics on the Internet in the past 10 days, combined with the specific methods of PS to eliminate noise, to provide you with structured solutions.
1. Statistics of hot topics in the past 10 days
| Ranking | Topic keywords | Number of discussions (10,000) | Main platform |
|---|---|---|---|
| 1 | PS noise reduction skills | 12.8 | Weibo/Bilibili |
| 2 | Mobile phone photography noise repair | 9.2 | Xiaohongshu/Zhihu |
| 3 | AI noise reduction comparison | 7.5 | Douyin/professional forum |
2. Four core methods for eliminating noise in PS
1. Use Camera Raw filter
Steps:
① Open the image → select [Filter] → [Camera Raw Filter]
② Adjust the [Reduce Noise] slider in the [Details] tab (recommended value 25-50)
③ Use the [Sharpening] parameter to balance the image quality (recommended value 15-30)
| parameters | function | Recommended range |
|---|---|---|
| brightness | Remove grayscale noise | 20-40 |
| color | Remove color noise | 50-80 |
2. Manual channel noise reduction method
① Enter the [Channel] panel and observe the noise of each channel (usually the blue channel is the most obvious)
② Copy the affected channel → use [Surface Blur] or [Gaussian Blur] (radius 1-3 pixels)
③ Hold down Ctrl and click the channel thumbnail → return to the layer to add a mask
3. Recommended smart noise reduction plug-in
| Plugin name | Features | Applicable scenarios |
|---|---|---|
| Topaz DeNoise AI | AI intelligent recognition | High ISO photos |
| Nik Collection Dfine | Multi-zone control | Commercial photo retouching |
4. Advanced Mixing Techniques
① Duplicate the layer → Apply the [Despeckle] filter (Filter → Noise → Despeckle)
② Set the layer blending mode to [Lighten] or [Color]
③ Add a black mask and use a white brush to partially repair it
3. Common misunderstandings in noise processing
1.Excessive noise reduction: Will cause the loss of details. It is recommended to use the history brush to restore key parts.
2.Ignore original format: RAW files have better noise reduction room than JPEG
3.single method dependency: Use tools in combination for better results
4. The latest noise reduction technology trends in 2023
According to official news from Adobe, the PS 2024 version will integrate a more powerful AI noise reduction engine, and the processing speed is expected to increase by 300%. You can currently experience the Beta version of the [Neural Filter] → [Noise Reduction] function in advance.
Through the above methods, you can effectively solve the noise problem caused by mobile phone shooting, low-light environments, etc. It is recommended to copy the background layer before processing to retain room for modification. If you need batch processing, you can create action scripts to improve efficiency.
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