Canon 2756B001 Digital Photo Professional 3.3 for Macintosh Instruction Manual - Page 92

Reducing Noise, Adjust an image.

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Reducing Noise You can reduce noise that arises in JPEG and TIFF images that have been shot at night or with a high ISO speed. 1 Select the [NR/Lens] tab sheet from the tool palette in the edit window or edit image window. 2 Adjust an image. Drag the slider right O You can set a noise reduction level from within a range of 0 to 10. The larger the setting, the larger the noise reduction effect. 3 Click the [Apply NR] button. ¿ Noise reduction is applied to the image and the image is redisplayed. 4 Display the image in the [100% view] or [200% view]. ¿ You can check the noise reduction effect. O In the [50% view] or [Fit to window] display, it may be difficult to check the noise reduction effect. Introduction Contents at a Glance 1Basic Operation 2Advanced Operation To check the noise reduction effect, enlarge the image and display it Because noise reduction effect is difficult to see in the [50% view] and [Fit to window] displays, use [100% view] or [200% view] to check the noise reduction. 3Advanced Image Editing and Printing 4 Processing Large Numbers of Images 5Editing JPEG/TIFF Images Reference O If [Chrominance noise] has been set, color bleeding may occur along with reduction of noise. O You can set the batch processing settings for noise reduction using [Default noise reduction settings] in the [Tool palette] tab sheet in Preferences (p.73). This is particularly useful for applying noise reduction to all the images in a folder at once, such as batch noise reduction for images with high ISO speeds. However, where images have a recipe attached, the noise level recorded in the recipe is applied. O For a list of tool palette functions, refer to p.108. Index 91

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91
1
2
3
4
5
Introduction
Contents at
a Glance
Basic
Operation
Advanced
Operation
Advanced
Image Editing
and Printing
Editing
JPEG/TIFF
Images
Index
Processing
Large Numbers
of Images
Reference
Reducing Noise
You can reduce noise that arises in JPEG and TIFF images that have
been shot at night or with a high ISO speed.
1
Select the [NR/Lens] tab sheet from the tool palette
in the edit window or edit image window.
2
Adjust an image.
O
You can set a noise reduction level from within a range of 0 to 10.
The larger the setting, the larger the noise reduction effect.
3
Click the [Apply NR] button.
¿
Noise reduction is applied to the image and the image is
redisplayed.
Drag the slider right
4
Display the image in the [100% view] or [200% view].
¿
You can check the noise reduction effect.
O
In the [50% view] or [Fit to window] display, it may be difficult to
check the noise reduction effect.
Because noise reduction effect is difficult to see in the [50% view] and
[Fit to window] displays, use [100% view] or [200% view] to check the
noise reduction.
To check the noise reduction effect, enlarge the image and
display it
O
If [Chrominance noise] has been set, color bleeding may occur
along with reduction of noise.
O
You can set the batch processing settings for noise reduction
using [Default noise reduction settings] in the [Tool palette] tab
sheet in Preferences
(p.73)
. This is particularly useful for applying
noise reduction to all the images in a folder at once, such as
batch noise reduction for images with high ISO speeds. However,
where images have a recipe attached, the noise level recorded in
the recipe is applied.
O
For a list of tool palette functions, refer to
p.108
.