As we’ve talked in the previous topics about sensors and pixels, each photo is composed of a number of pixels. Each of these pixels have a certain level of brightness, ranging from 0 (black) to 255 (white). A histogram is a graphical representation of these levels of brightness for the entire photo.
Posts Tagged ‘RGB’
A color space (or color model) is an abstract mathematical model describing the way colours can be represented as groups of numbers, typically as three or four values or color components (e.g. RGB and CMYK are color models). The Additive RGB Colors The cells inside our eyes (called cone-shaped cells) are sensitive to red, green, […]