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.
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