Comparing images
You can use ACDSee's Compare Images feature to compare a group
of images. The tool highlights both the similarities and the
differences in the properties, metadata, and pixel intensity levels
of images you select. You can save your preferred images to a new
location on your hard drive, or tag images you would like selected
in the Browser, and then delete, move, rename, or alter the
images.
To compare images:
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In the Browser, select the images that you
want to compare.
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Click Tools | Compare Images. Up to four images
display in the Compare Images Viewer.
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To change which image displays in the
comparison view, do one or more of the following:
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In the Comparison List, right-click
an image and select Send to Active
View (indicated by a red box).
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In the Comparison List, drag an image
to a box in the Compare Images Viewer.
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In the Compare Images Viewer,
right-click an image and select Next Image or Previous Image.
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In the Compare Images Viewer,
right-click an image and select File | Remove From View or click
the Remove
icon in the image toolbar.
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To tag images, do one of the
following:
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In the Comparison List, click the
checkbox that is located at the top of the image on the left
side.
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In the Compare Images Viewer,
right-click an image and select Tag or click the Tag icon in the image toolbar.
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Click Tag All to tag all of the images, or
click Untag All to untag
all of the images.
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Click OK. If you tagged the images, the
tagged images are selected in the File List pane.
Compare Images toolbar
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Previous
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Swaps the selected image with the previous
image in the Comparison List.
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Next
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Swaps the selected image with the next image
in the Comparison List.
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Zoom In
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Increases the magnification of the selected
image.
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Zoom Out
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Reduces the magnification of the selected
image.
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Zoom menu
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Opens a menu of zoom options. Select from the
following options:
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Actual
Size: displays the image at its original size.
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Fit
Image: displays the image at the largest magnification that
fits in the Compare Images Viewer.
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Fit
Width: displays the image to fit between the left and right
sides of the Compare Images Viewer.
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Fit
Height: displays the image to fit between the top and bottom
of the Compare Images Viewer.
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Zoom
Lock: displays all images at the zoom option of the current
image. If the zoom is adjusted, the new zoom level is applied to
all images that you view.
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Zoom
To: opens a dialog box where you can select a zoom
option.
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Pan Lock
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Locks the panned image area, so that when you
zoom and pan an image to a specific area, the Compare Images Viewer
displays the same area for all images you view.
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Under exposure warning
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Indicates pixels that may be underexposed.
Click the arrow to open a dialog box where you can adjust the
threshold values.
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Over exposure warning
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Indicates pixels that may be overexposed.
Click the arrow to open a dialog box where you can adjust the
threshold values.
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Properties
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Displays properties for each image in the
Compare Images Viewer. Click the Metadata Setup button to specify which
file properties are displayed.
The Compare Images tool displays the file properties in a field
below each image. Differences in properties are bolded, while
similarities are displayed in regular font.
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Histogram
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Displays a histogram for each image in the
Compare Images Viewer.
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Metadata Setup
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Opens a dialog box where you can select the
metadata to display for each image in the Compare Images
Viewer.
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One Image
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Displays one image in the Compare Images
Viewer.
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Two Images
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Displays two images in the Compare Images
Viewer.
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Three Images
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Displays three images in the Compare Images
Viewer.
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Four Images
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Displays four images in the Compare Images
Viewer.
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Help
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Opens the Help file.
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Image toolbars
Each image in the Compare Images tool has a toolbar located
below it. You can use this toolbar to adjust each image
individually.
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Save
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Opens a dialog box where you can save the
image with a different file name and a different file format.
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Previous
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Swaps the displayed image with the previous
image in the Comparison List.
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Next
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Swaps the displayed image with the next image
in the Comparison List.
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Zoom In
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Increases the magnification of the image.
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Zoom Out
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Reduces the magnification of the image.
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Delete
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Deletes the image from your hard drive.
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Remove
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Removes the image from the Comparison
List.
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Tag
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Tags the image so that it will remain
selected when you close the Compare Images tool.
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