Noise Shampoo is an edge-preserving smoothing filter. It can help to reduce noise on some pictures.

Example 1: This picture is made of homogeneous surfaces and contrasty details. Hence, this plugin manage to reduce noise without destroying too much details. However, examinate the mustache in right side of fish.

Before		After

Remark: This picture is from Stacina. For the sake of example, I've applied the filter after reducing the picture. However, for optimal results, it's better to apply the filter before resizing.

Example 2: Below, I used different combinations of Clean , and Quality Settings ( C for Clean, Q for quality). You notice that with the Enhanced quality setting , I manage to smooth surfaces more, while still preserving the edges. If you are not convinced by the difference, then use normal quality that is faster.

Original Image		C:40 , Q: Normal
C:80 , Q: Normal		C:80 , Q: Enhanced

• Description of main controls:
• Clean: The higher this setting, the more surfaces are smoothed. Off course, you have to tweak the setting in order to avoid too much loss of details.
• Range for clean: By pressing the little arrow at right of clean slider , you can change the range. However, I do not recommend to change the Clean setting above 100. Unless, you are just looking for an artistic effect (like imitating haze ??? )
• Quality: The "Enhanced" setting usually provide better results than "Normal" setting. However the improvement provided by "Enhanced"quality is not always obvious, and it comes with a big increase in processing time.

Remark: Noise Shampoo won't reduce "Salt and pepper" noise. You may try my Flat Median plugin , if ever you encounter such kind of noise.

This plugin interests you? Click the link below.

	Javascript, Please!