In the visual observing situation, the observer is the human eye that receives the light reflected from or transmitted through an object, and the brain which perceives the vision.The visual observing situationSince different humans perceive...
The color difference unit, NBS, is derived from the unit of color difference formula which is established by Judd-Hunter. In 1939, the American Bureau of Standards adopts this color difference formula and calculates the color difference acco...
There are three major elements to perceive color: light, object and observer. Any change of these three elements will influence the observers color perception. When the light source and the observer dont change, then the object will det...
Understanding the types of instruments available for measuring color is important when choosing the instrument to purchase or use for your application. The terms colorimeter and spectrophotometer cause some confusion, so t...
A colorimeter is a light-sensitive instrument that measures how much color is absorbed by an object or substance. It determines color based on the red, blue, and green components of light absorbed by the object or sample, much as the human e...
Color fastness is a term used in dyeing of textile materials means resistance of color to fading....
AnIntegrating sphere(also known as an Ulbricht sphere) is an optical component consisting of a hollow spherical cavity with its interior covered with adiffusewhite reflective coating, with small holes for entrance and exit ports. Its relevan...
Imatest representatives will visit Beijing the week of October 19th to offer a free Information Seminar and paid 2-day Training Course to professionals using or considering Imatest software to improve their image quality testing processes.2-...