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Filter tab

This tab is used to control the infrared (IR) cleaning, restore colors, grain reduction and sharpening options.

Filter options affect the output of cropped TIFF, JPEG and PDF files and the images in an index. They do not affect the data of a raw scan file.

The one exception to this is if Output | Raw output with is set to "Save" - in this case, the infrared cleaning and grain reduction is also done before saving the raw scan files.

See the Processing section of the topic "How VueScan Works" to understand the details of how these filters are applied.

Filter | Infrared clean
Filter | Restore colors
Filter | Restore fading
Filter | Grain reduction
Filter | Sharpen
Filter | Descreen
Filter | Descreen dpi
Filter | Flatten
Filter | All frames


Filter | Infrared clean

When an infrared channel is available, use this option to remove dust spots and scratches. It only causes image softening in the immediate vicinity of the spots and scratches, except when this option is set to "Heavy".

You can control the amount of cleaning of the image by choosing the Light, Medium or Heavy options.

Standard Option: This option is displayed when the scanner has an infrared lamp and when scanning a color film (not B/W negative or Microfilm).


Filter | Restore colors

This option is used to restore the red, green, and blue colors by making them more independent. This works best when scanning at high resolution.

If you select this option, the film type in the Color tab isn't used.

Standard Option: This option is always displayed.


Filter | Restore fading

This option is used to restore the effects of faded film dyes. Slide film often shifts towards red over time, and color negative film towards cyan.

If you select this option, the film type in the Color tab isn't used.

Standard Option: This option is always displayed.


Filter | Grain reduction

Use this option to reduce the graininess of a scan. It can also reduce the effect of electronic noise.

You can control the amount of softening of the image by choosing the Light, Medium or Heavy options.

Professional Option: This option is always displayed.


Filter | Sharpen

This option enables an unsharp mask. This is used to sharpen images, the unsharp mask will improve images for printing.

If you're planning on editing images after scanning them, then you should leave this option off.

Standard Option: This option is always displayed.


Filter | Descreen

Set this option when scanning images made up of an array of dots in a "screen" pattern.

Standard Option: This option is displayed when scanning reflective media.


Filter | Descreen dpi

Set this option to the approximate number of dots per inch of the "screen" used when printing the media you're scanning. The default value of 75 works well for most media.

Professional Option: This option is displayed when scanning reflective media and Filter | Descreen is set.


Filter | Flatten

Set this option when scanning paper with stains or uneven lighting. For example, when scanning books, the area near the spline is often darker, and this option will correct this.

Standard Option: This option is displayed when scanning reflective media.


Filter | All frames

This option makes all frames use the options in this tab, instead of applying the options separately for each frame.

Professional Option: This option is displayed when using multiple frames.