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Exporting to a Different Image Format

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Exporting DICOM images to a different format, such as JPEG or PNG, can be useful for creating reports and presentations, or for use in other applications.

Important Note

In previous versions of the Workstation, the text overlay was unconditionally turned off to avoid exporting patient information. This is no longer the case, and the visibility of the text overlay in exported images is the same as it was at the time of capture from the viewer. You can determine whether or not the text overlay is on or off for an individual item in the clipboard by hovering over it with the mouse and inspecting the values in the tooltip.

 

To export images:

1.In the clipboard, select one or more images you wish to export. To select more than one item, you may hold Ctrl while clicking to select individual items, hold Shift while clicking to select a range of items, or click and drag to select items.
2.Click the Export To Image button on the clipboard toolbar, or right-click the image and select Export To Image from the context menu.
If you copied an image to the clipboard with the text overlay ON and then export the clipboard item, the text overlay will appear in the exported image.
The clipboard thumbnail on the screen does not show the overlay because it clutters the thumbnail. To determine whether the overlay is ON or OFF, hover the mouse over the individual clipboard item. A tooltip will appear showing patient/study information as well as the overlay ON/OFF state.

 

 

3.Select the desired image export options. A list of the available options can be found below. When you are done, click OK.

 

 

Option

Description

Export As

JPEG

Specifies that images should be exported as lossy compressed JPEG files.

PNG

Specifies that images should be exported as lossless compressed PNG files.

BMP

Specifies that images should be exported as uncompressed Windows BMP bitmap files.

TIFF

Specifies that images should be exported as TIFF (Tagged Image File Format) files.

GIF

Specifies that images should be exported as 256 palette colour GIF files.

Field of View

WYSIWYG

Only the visible portion of the image at the time when it was copied to the clipboard will be exported.

Complete Image

The entire image will be exported, regardless of what was visible when the image was copied to the clipboard.

Annotation Scaling

Effective DPI

Specifies the effective output DPI for the purpose of scaling text and other annotations on the image. If you are exporting images for printing, you can set this to the printer's DPI (e.g. 300) in order to keep text readable. If you are exporting images for use on screen, leave this at the default value of 96.

N.B.: Does not affect the output size of the image, which is specified separately.

Output Size

Scale

The scaling factor at which the image is exported, relative to the field of view (i.e. if you have selected WYSIWYG, the scaling factor is relative to the size of the visible area onscreen, whereas if you selected Complete Image, the scaling factor is relative to the actual width and height of the image).

Fixed

The selected field of view will be automatically scaled to best fit the specified dimensions. You may specify a background colour with which to fill the extra padding space by clicking on the colour swatch.

4.At this point, if you selected one image, you will be asked to specify the filename to which the exported image will be saved. If you selected more than one image, you will be asked to specify a folder, and the exported images will be automatically numbered and saved in that folder. Once you click Save, your image(s) will be exported!

 

ClearCanvas Workstation, Personal - User's Guide
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