Working with DICOM Images

Working with DICOM Images

Working with DICOM Images

Commonly used in medical imaging, DICOM (DIC) files can be imported into Canvas X Draw for further study. Combine the DICOM import filter with the Canvas X Draw tools, various image filters and adjustments along with its slide show capabilities to create dynamic medical presentations. You can even export your findings to HTML.

DICOM Import Options

A DICOM file may consist of one or many images. Canvas X Draw can read DICOM files as follows:

  • RGB images are imported as RGB and grayscale are imported as grayscale.
  • Indexed images are converted to RGB.
  • Depending on the image‚Äôs range, it will be converted to 8 bit, 16 bit, 32 bit, or 64 bit images.

To Import DICOM Files:

  1. Choose File | OpenFile | Place, or Image | Import.
  2. In the DICOM Import Options dialog box, select one or more of the following:
    • Distribute among layers: Select this option to place each image on a separate layer in the same document.
    • Stack together: Select this option to place the images on top of each other.
    • Create spreadsheet: Select this option to create a matrix of the various images. Define the number of rows and columns.
    • Create animation/slide show: Select this option if you want to create a presentation or export as an AVI file.
    • File Version: Select either Default, DICOM v.3, or DICOM v.2 (NEMA).
    • Image Structure: Select either Default, Little Endian, or Big Endian.
    1. Window Center/Width: This option allows you to adjust the level settings of the image so you can optimize image contrast upon import for improved image analysis. Select None from the menu if you want no level setting adjustment. Select Default to use the values within the image itself. Select New Preset to create a user-defined setting.

When you open or place a DICOM file with multiple frames, the Frame Alignment options are enabled.

To Create a User-Defined Setting:

Enter values in the Center and Width fields. Click Save and enter a name in the dialog box.

When creating settings, try to use a name that relates to its use.

To Apply a User-Defined Setting:

Open the menu and select the setting and then click OK.

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