This option makes all frames use the options in this tab, instead of applying the options separately for each frame. For example, when scanning books, the area near the spine is often darker, and this option will correct this. Set this option when scanning paper with stains or uneven lighting. Professional Option: This option is displayed when scanning reflective media and Filter | Descreen is set. The default value of 75 works well for most media. Set this option to the approximate number of dots per inch of the “screen” used when printing the media you’re scanning. Standard Option: This option is displayed when scanning reflective media. Set this option when scanning images made up of an array of dots in a “screen” pattern. If you’re planning on editing images after scanning them, then you should leave this option off. This is used to sharpen images, the unsharp mask will improve images for printing. Professional Option: This option is always displayed. You can control the amount of softening of the image by choosing the Light, Medium or Heavy options. It can also reduce the effect of electronic noise. Use this option to reduce the graininess of a scan. You can read more about this feature here. Slide film often shifts towards red over time, and color negative film towards cyan. This option is used to restore the effects of faded film dyes. Standard Option: This option is always displayed. If you select this option, the film type in the Color tab isn’t used. This works best when scanning at high resolution. This option is used to restore the red, green, and blue colors by making them more independent. Standard Option: This option is displayed when the scanner has an infrared lamp and when scanning a color film (not Gray or B/W negative). You can read more about why this exists here You can control the amount of cleaning of the image by choosing the Light, Medium or Heavy options. It only causes image softening in the immediate vicinity of the spots and scratches, except when this option is set to “Heavy”. When an infrared channel is available, use this option to remove dust spots and scratches. See the Processing section of the topic “How VueScan Works” to understand the details of how these filters are applied. 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. They do not affect the data of a raw scan file. This tab is used to control the infrared (IR) cleaning, restore colors, grain reduction and sharpening options.įilter options affect the output of cropped TIFF, JPEG and PDF files and the images in an index.
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