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Initial Steps in Image Preparation

¹ Department of Radiology, Children's Hospital, 300 Longwood Ave., Boston, MA 02115.

View larger version (107K): [in a new window]   Fig. 1. —Image from computer monitor shows left side of Photoshop (Adobe Systems, Mountain View, CA) menu. To convert color file to gray-scale file, select "Image" option. From pull-down menu, select "Mode" and from that menu, click "Grayscale."

View larger version (109K): [in a new window]   Fig. 2A. —Coronal sonogram of male neonate with postinfectious hydrocephalus. I modified this image in Photoshop (Adobe Systems, Mountain View, CA) for importation into PowerPoint (Microsoft, Redmond, WA). Original sonogram was obtained with digital camera that saved file in color format (RGB [red, green, blue] file). I scanned original image, which measured 1024 x 741 pixels, at resolution of 72 pixels per inch. In this image from computer monitor (screen shot), "Rectangular Marquee Tool" has been selected from toolbar or "toolbox," shown at left of sonogram. This tool was used to draw a rectangle around the area that I wanted to move into the area of interest—in this example, the word "CORONAL."

View larger version (114K): [in a new window]   Fig. 2B. —Coronal sonogram of male neonate with postinfectious hydrocephalus. I modified this image in Photoshop (Adobe Systems, Mountain View, CA) for importation into PowerPoint (Microsoft, Redmond, WA). Original sonogram was obtained with digital camera that saved file in color format (RGB [red, green, blue] file). I scanned original image, which measured 1024 x 741 pixels, at resolution of 72 pixels per inch. In this screen shot, "Move Tool (V)" has been selected from toolbox, shown to left of sonogram. This tool was used to position word "CORONAL" in area of interest. White space represents area where "CORONAL" originally appeared. Cropping tool (arrow) was used to select image area that should remain in image, thus excluding white space and unnecessary words and numbers.

View larger version (154K): [in a new window]   Fig. 2C. —Coronal sonogram of male neonate with postinfectious hydrocephalus. I modified this image in Photoshop (Adobe Systems, Mountain View, CA) for importation into PowerPoint (Microsoft, Redmond, WA). Original sonogram was obtained with digital camera that saved file in color format (RGB [red, green, blue] file). I scanned original image, which measured 1024 x 741 pixels, at resolution of 72 pixels per inch. Screen shot shows "Paintbrush" tool in toolbox at left of cropped image. This tool can be used to eliminate unwanted words and numbers from image.

View larger version (156K): [in a new window]   Fig. 2D. —Coronal sonogram of male neonate with postinfectious hydrocephalus. I modified this image in Photoshop (Adobe Systems, Mountain View, CA) for importation into PowerPoint (Microsoft, Redmond, WA). Original sonogram was obtained with digital camera that saved file in color format (RGB [red, green, blue] file). I scanned original image, which measured 1024 x 741 pixels, at resolution of 72 pixels per inch. Modified and cropped sonogram has clear black background.

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