Descreen plug-in for Adobe Photoshop

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Introduction

Descreen plug-in is used for descreening images that have been scanned from printed sources (such as newspapers, magazines, books, postcards, etc, including halftone films). Descreening prevents moiré patterns and consists of two operations:

  • Screen removing.
  • Reducing a halftone moiré pattern.

Unlike most scanners which apply blurring to remove a screen, the plug-in Descreen uses the Fourier transform to automatically find parameters of a screen and precisely removes it. Due to that the plug-in preserves more image details. There is no need to scan images at different angles and to resort to other time-consuming tricks. You need just provide the plug-in with a hi-resolution scan, usually 600...1200 pixels/inch.  

Original image The image after the screen removing
The image after the screen removing and the moire reducing The image after the screen removing, the moire and noise reducing

Filtering with the Descreen plug-in.
1) The original image.
2) The same image filtered with screen removal. There is still a prominent halftone moiré pattern.
3) Filtered with screen removal and moiré reduction.
4) Filtered with screen removal, moiré reduction and noise reduction (with Descreen 6.0 Professional edition).
Click the image to see the changes.

To see more examples click here.

There are two plug-in editions: Professional Edition and Home Edition. To compare the editions click here.

For more detailed information click on the User Guide button or click here.

 

 

 

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