Brightness Perception. In physics, the luminance of an object is exactingly defined as the luminous flux per unit of projected area per unit. solid angle leaving a surface at a given point and in a given direction. A more useable definition is the amount of. visible light that that reaches the eye from an object.
Upcoding â Health care and Medicare Fraud. Upcoding is a type of fraud where healthcare providers submit inaccurate billing codes to insurance companies in order to receive inflated reimbursements.
Definition - What does Companding mean? Companding refers to a technique for compressing and then expanding (or decompressing) an analog or digital signal. It is a combination of the words compressing and expanding.. This twin-sequential process is non-linear overall but linear over short periods of time.