Adobe Photoshop CS4 Bedienungsanleitung PDF herunterladen (Seite 613)

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USING PHOTOSHOP CS4

3D and technical imaging

Last updated 1/10/2010

Maximum Intensity Projection Displays maximum values in the volume to provides a quick preview of volume

structure. Does not provide any depth cues.

Red-Blue Color Scale Transfer function that uses a full red-blue color gradient.

Thin Isolines Transfer function that uses constant color, while opacity component is a function with multiple spikes,

to display isovalues.

X-Ray Approximates X-ray radiation transport through an X-ray translucent medium. This effect is useful for

generating an image from a CT scan that looks like an X-ray shot of the same object.

White-Black Color Scale Transfer function using a white-black color component.

4 (Optional) To create a custom render mode, click Render Settings in the 3D panel to open the 3D Render Settings

dialog box. Select options in the Volume Styles section of the dialog. See

“Change render settings for 3D models

(Photoshop Extended)” on page 599.

Export DICOM frames as JPEG files (Photoshop Extended)

1 Open a DICOM file and set options in the DICOM File Import dialog box (see “Open a DICOM file (Photoshop

Extended)” on page 604).

2 Select frames in the DICOM File Import dialog box: Shift-click to select contiguous frames, Ctrl-click (Windows)

or Command-click (Mac

OS) to select noncontiguous frames, or click Select All to select all frames.

3 Enter a prefix in the Prefix box in the Export Options area.

4 Click Export Presentation (JPEG), select a folder, and click Select.

The JPEG files are saved in the specified location with the prefix added to the filenames. If you selected multiple frames,

Photoshop appends successive numbering to the end of each filename (for example, DICOM Frame1, DICOM

Frame2, DICOM Frame3).

DICOM metadata (Photoshop Extended)

You can view and edit several categories of DICOM metadata in the Photoshop File Info dialog box.

Patient data Includes patient name, ID, sex, and date of birth.

Study data Includes study ID, referring physician, study date and time, and study description.

Series data Includes series number, modality, series date and time, and series description.

Equipment data Includes the equipment institution and manufacturer.

Image data Includes the transfer syntax, photometric interpretation, image width and height, bits per pixel, and

frames. (These fields are not editable.)

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