Canon Pixma Mp630 User Guide
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Below is an example of correcting a bluish image. Since Blue and Green are too strong, click the Yellow and Magenta arrows to correct. BeforeAfter Note Color adjustments are applied only to the scan area (cropping frame) specified in the Preview area. You can also select a color tone from the color pattern displayed on the left of the Color Pattern screen. You can also use this function to add a specific tint to an image. Increase the magenta to add a warm tint, and increase the blue to add a cool tint. Page top Page 531 of 805 pages Adjusting Colors Using a Color Pattern
Advanced Guide > Scanning > Scanning with Other Application Software > Correcting Images and Adjusting Colors with ScanGear (Scanner Driver) > Adjusting Saturation and Color Balance Adjusting Saturation and Color Balance In ScanGears Advanced Mode, click (Saturation/Color Balance). Saturation Adjust the images saturation (vividness). You can brighten colors that have faded with time, etc. Move (slider) under Saturation to the left to reduce the saturation (darken the image), and to the right to increase the saturation (brighten the image). You can also enter a value (-127 to 127). Saturation decreasedOriginal imageSaturation increased Note The natural color tone of the original image may be lost if you increase saturation too much. Color Balance Adjust images that have a colorcast. Colorcast is a phenomenon where a specific color affects the entire picture due to the weather or ambient strong colors. Move (slider) under each color pair to the left or right to emphasize the corresponding color. Cyan & Red Magenta & Green Yellow & Blue These are complementary color pairs (each pair produces a shade of gray when mixed). You can reproduce the natural colors of the scene by reducing the cast color and increasing the complementary color. Page 532 of 805 pages Adjusting Saturation and Color Balance
It is usually difficult to correct the image completely by adjusting only one color pair. It is recommended that you find a portion in the image where it should be white, and adjust all three color pairs so that the portion turns white. You can also enter a value (-127 to 127). Below is an example of an image in which the Cyan & Red pair has been adjusted. Cyan is increasedRed is increased Note Click Defaults to reset all adjustments in the current window. Page top Page 533 of 805 pages Adjusting Saturation and Color Balance
Advanced Guide > Scanning > Scanning with Other Application Software > Correcting Images and Adjusting Colors with ScanGear (Scanner Driver) > Adjusting Brightness and Contrast Adjusting Brightness and Contrast In ScanGears Advanced Mode, click (Brightness/Contrast). Note Click to switch to detailed view. Click to return to the previous view. Channel Each dot of an image is a mixture of Red, Green and Blue in various proportions (gradation). These colors can be adjusted individually as a channel. Master Adjust the Red, Green and Blue combined. Red Adjust the Red channel. Green Adjust the Green channel. Blue Adjust the Blue channel. Note Only Grayscale will be displayed in Channel when Color Mode is Grayscale. Brightness Adjust the image brightness. Move (slider) under Brightness to the left to darken and right to brighten the image. You can also enter a value (-127 to 127). Page 534 of 805 pages Adjusting Brightness and Contrast
DarkenedOriginal imageBrightened Note Highlights may be lost if you brighten the image too much, and shadows may be lost if you darken the image too much. Contrast Contrast is the degree of difference between the brighter and darker parts of an image. Increasing contrast will increase the difference, thus sharpening the image. Decreasing contrast will decrease the difference, thus softening the image. Move (slider) under Contrast to the left to decrease and right to increase the contrast of the image. You can also enter a value (-127 to 127). Decreased contrastOriginal imageIncreased contrast Note Increasing the contrast is effective in adding a three-dimensional feel to soft images. However, shadows and highlights may be lost if you increase the contrast too much. Note Click Defaults to reset all adjustments in the current window. Page top Page 535 of 805 pages Adjusting Brightness and Contrast
Advanced Guide > Scanning > Scanning with Other Application Software > Correcting Images and Adjusting Colors with ScanGear (Scanner Driver) > Adjusting Histogram Adjusting Histogram In ScanGears Advanced Mode, click (Histogram). Channel Each dot of an image is a mixture of Red, Green and Blue in various proportions (gradation). These colors can be adjusted individually as a channel. Master Adjust the Red, Green and Blue combined. Red Adjust the Red channel. Green Adjust the Green channel. Blue Adjust the Blue channel. Note Only Grayscale will be displayed in Channel when Color Mode is Grayscale. Reading Histograms You can open Histogram of a specified area for each Channel. The higher the Histogram peak, the more data is distributed to that level. (1) Bright area(2) Dark area(3) Whole image Page 536 of 805 pages Adjusting Histogram
More data is distributed to the highlight side. More data is distributed to the shadow side. Data is widely distributed between the highlight and shadow. Adjusting Histograms (Using the Slider) Select a Channel, then move (Black-point Slider) or (White-point Slider) to specify the level to be set as the shadow or highlight. - All parts to the left of (Black-point Slider) will be black (level 0). - The parts at (Mid-point Slider) will turn to the color exactly between the black-point and white-point. - All parts to the right of (White-point Slider) will turn white (level 255). Auto Tone is set to ON by default. Adjustments shown below are automatically performed. Moving the Black-point and White-point Sliders Move the Black-point Slider or White-point Slider to adjust brightness. Images with more data distributed to the highlight side Move the Black-point Slider toward the highlight side. Images with more data distributed to the shadow side Move the White-point Slider toward the shadow side. Images with widely distributed data Move the Black-point Slider toward the highlight side, and White-point Slider toward the shadow side. Moving the Mid-point Slider Move the Mid-point Slider to specify the level to be set as the middle of the tonal range. Images with more data distributed to the highlight side Page 537 of 805 pages Adjusting Histogram
Move the Mid-point Slider toward the highlight side. Images with more data distributed to the shadow side Move the Mid-point Slider toward the shadow side. Adjusting Histograms (Using the Droppers) When you select a Channel and click the Black-point, Mid-point or White-point Dropper, the mouse pointer on the preview image changes to a dropper. Click a Dropper displayed below the histogram to change the setting. - The point clicked with (Black-point Dropper) will be the darkest point. You can also enter a value (0 to 245). - The point clicked with (Mid-point Dropper) will be the middle of the tonal range. You can also enter a value (5 to 250). - The point clicked with (White-point Dropper) will be the brightest point. You can also enter a value (10 to 255). - Click for Gray Balance and click the area you want to adjust the color in the preview image. The clicked point will be set as the achromatic color reference, and the rest of the image is adjusted accordingly. For instance, if snow in a photo appears bluish, click the bluish part to adjust the whole image and reproduce natural colors. Note Click Defaults to reset all adjustments in the current window. Page top Page 538 of 805 pages Adjusting Histogram
Advanced Guide > Scanning > Scanning with Other Application Software > Correcting Images and Adjusting Colors with ScanGear (Scanner Driver) > Adjusting Tone Curve Adjusting Tone Curve In ScanGears Advanced Mode, click (Tone Curve Settings). Channel Each dot of an image is a mixture of Red, Green and Blue in various proportions (gradation). These colors can be adjusted individually as a channel. Master Adjust the Red, Green and Blue combined. Red Adjust the Red channel. Green Adjust the Green channel. Blue Adjust the Blue channel. Note Only Grayscale will be displayed in Channel when Color Mode is Grayscale. Reading Tone Curves With ScanGear (scanner driver), scanning images via a scanner is the input, and displaying to a monitor is the output. Tone Curve shows the balance of tone input and output for each Channel. Page 539 of 805 pages Adjusting Tone Curve
Adjusting Tone Curve In Select Tone Curve, select a tone curve from No correction, Overexposure, Underexposure, High contrast, Reverse the negative/positive image and Edit custom curve. No correction (No adjustment) Overexposure (Convex curve) The midtone data of the input side is stretched toward the highlight of the output side, resulting in a bright-toned image when viewed on a monitor. Underexposure (Convex curve) The midtone data of the input side is stretched toward the shadow of the output side, resulting in a dark- toned image when viewed on a monitor. High contrast (S curve) The highlight and shadow of the input side are enhanced, resulting in a high-contrast image. Reverse the negative/positive image (Downward-sloping line) The input and output sides are reversed, resulting in a negative-positive inverted image. Edit custom curve You can drag specific points on the Tone Curve to freely adjust the brightness of the corresponding areas. Note Click Defaults to reset all adjustments in the current window. Page top Page 540 of 805 pages Adjusting Tone Curve