The Image tab lets you control the outcome and quality of a scanned image.
- - Add Highlight:
- This scroll bar lets you adjust the brightest areas of the image. The smaller the highlight value (moving the slider to the left) the darker the highlight area of the image. By default, the highlight is set to the brightest level.
- - Add Shadow:
- This scroll bar lets you adjust the darkest areas of the image. The greater the shadow value (moving the slider to the right), the lighter the shadow area of the image. By default, the shadow is set to the darkest level.
- - Use Custom Gamma:
- By default, Art-Copy applies different gamma values (middle points) to adjust an image for different output destinations. For example, the gamma for Copy and the gamma for Fax is different than the gamma for E-mail. If, for any reason, you don’t like the outcome of the adjustment, you can set the Gamma scroll bar to the value you desire. After this option is set, all future images are adjusted by this gamma value, no matter the output destination.
- - Gamma Correction:
- This scroll bar lets you adjust the middle point of the image. It lightens or darkens the image without affecting the brightest or darkest area, so the image appears sharper but still maintains its color range.
- - Dither Patterns:
- This combo box lets you select dither patterns for converting a grayscale image to a black and white image. After the scan, the grayscale image is converted to a 1-bit black and white image by applying the selected dither pattern. Selecting None will not apply any dithering to the grayscale image.
- - B/W Threshold:
- This combo box lets you scan a grayscale image instead of a 1-bit black and white image. It will control how bright or dark the 1-bit black and white image will be after the conversion. If the image appears too dark, you can brighten the image by moving the scroll bar to the left. If the overall image is too bright, you will move the scroll bar to the right.
- - Invert Image:
- This option inverts the image after a scan, that is black to white and white to black (similar to a photographic negative). It also applies to gray and color images, making them look like negative images.
- - Deskew Image:
- This option auto corrects slightly slanted documents. In order to use this option Auto-Crop must be disabled.
- - Scan True B/W Image:
- When scanning in the B/W or Text (OCR) color mode, the material is initially scanned in grayscale. This enables you to set threshold levels to adjust brightness. The trade-off is the slower scan speed. By setting this option, Art-Copy scans the material only in true black and white (that is 1-bit per pixel), so it increases the scan speed and saves the memory substantially. You can no longer adjust the brightness through B/W Threshold. This will disable most of the other features on this tab.
- - Despeckle B/W Image:
- This will remove “specks” or other dots on a scanned image. This is useful for scanning documents to OCR.
- - JPG/PDF Quality:
- This option allows you to change the quality that the PDF and JPEG images will be saved at when created. Depending on the quality or the amount of memory you wish to save you can choose from low to lossless.
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