All images are compressed. All compression methods are lossless.
Default Window and Level (Image
Brightness and Contrast)
Default window and level are determined automatically using proprietary
image processing techniques. These techniques were developed and tested
over a ten year period in close collaboration with leading physicians
and scientists in the medical imaging community.
Movie Play Speed
All movies are programmed to automatically play at the physiologic rate
(eg. at the patient's heart rate). Movies are either animated GIF files
(on web pages where multiple series are displayed) or single-frame
images interpreted as movies by specialized Javascript computer code
(on web pages where individual series are displayed).
Some web browsers play animated GIF movies at an inappropriately lower
rate. The cause of this incorrect rate is one or more errors in the
computer code written by the web browser manufacturer.
Image Pixel Depth
All images are 8-bit except those viewed using the window/level tool.
By default, the window/level tool operates on 8-bit data. If the
original images were greater than 8-bit the window/level tool
optionally operates on 16-bit data.
Display Settings
Webpages may not be diagnostic quality if viewed on poor quality monitors
or systems using poor quality video cards.
