Estrazione dei canali

1 Spazio colore
Seleziona lo spazio colore per le tre immagini
NotaValori possibili:⚓
RGB^[1]
HSL^[2]
HSV^[3]
CIE L*a*b*^[4]
2 Canale #1
Nome del primo file FITS registrato.
3 Canale #2
Nome del secondo file FITS registrato.
4 Canale #3
Nome del terzo file FITS registrato.

Riferimenti

RGB

RVBxgenDocChm

RGB (red, green, and blue) refers to a system for representing the colors to be used on a computer display. Red, green, and blue can be combined in various proportions to obtain any color in the visible spectrum. Levels of R, G, and B can each range from 0 to 100 percent of full intensity. Each level is represented by the range of decimal numbers from 0 to 255 (256 levels for each color), equivalent to the range of binary numbers from 00000000 to 11111111, or hexadecimal 00 to FF. The total number of available colors is 256 x 256 x 256, or 16,777,216 possible colors.

HSL

HLSxgenDocChm

stands for hue, saturation, and lightness (or luminosity), and is also often called HLS

Hue
saturation
luminance

HSV

HSBxgenDocChm

The HSV, or HSB, model describes colors in terms of hue, saturation, and value (brightness).

CIE L*a*b*

CIELABxgenDocChm

CIE L*a*b*, often abbreviated CIELAB is a color space for surface colors.

The component L* is clarity, which ranges from 0 (black) to 100 (white).
The component a* represents a range of 600 levels on a red pin (299 positive) → green (-300 negative value) via the gray (0).
The component b* represents a range of 600 levels on a yellow axis (299 positive) → blue (negative value -300) through the gray (0).

Estrazione dei canali

Consiglio

Attenzione

Spazi colore supportati:⚓

Suggerimento

Nota

Schermata

NotaValori possibili:⚓