These amendments include the following: 1  A patient is defined as stable, therefore ending a hospital's EMTALA obligations, if: The patient is conscious, alert, and oriented. 2  All patients have EMTALA rights equally, regardless of age, race, religion, nationality, ethnicity, residence, citizenship, or legal status.
Definition of histogram: Step-column chart that displays a summary of the variations in (frequency distribution of) quantities (called Classes) that fall within certain lower and upper limits in a set of data. Classes are ...
The luminance histogram is your main guide to exposure. Discussing the luminance histogram can be problematic because, despite what you may have read, there's no such thing as an ideal histogram. The luminance histogram is merely a graphical representation of the brightness tones in your image.