Computer Vision

Converting Color Depth | Color

Bit depth refers to the color information stored in an image. The higher the bit depth of an image, the more colors it can store. The simplest image, a 1 bit image, can only show two colors, black and white. That is because the 1 bit can only store one [...]

2022-01-13T12:45:53+05:30Categories: Computer Vision|Tags: |

Display Referred vs Scene-referred | Color

Display Referred Display Referred means the images being manipulated are immediately transformed into the colour space (for example Rec. 709) of the displays being used to perform the image manipulations, restricting the image colour and dynamic range available during the creative manipulation process. Our own visual system is tuned to [...]

2022-01-13T13:40:09+05:30Categories: Computer Vision|Tags: |

Gamma Correction | Color

Gamma is numerical expression describes the relationship between signal input and light output of a display device. The relationship between signal input and light output is non-linear. To correct for this, reciprocal non-linearity is Applied at the production stage. Typically this is referred by to as gamma camera. The combination [...]

2022-01-13T12:49:07+05:30Categories: Computer Vision|Tags: |

Color Gamuts and Monitors | Color

Introduction Color gamut defines a more specific range of colors from the range of colors identifiable by the human eye (i.e., the visible spectrum). While color imaging devices include a wide range of devices, such as digital cameras, scanners, monitors, and printers, since the range of colors they can reproduce [...]

2022-01-13T12:47:07+05:30Categories: Computer Vision|Tags: |

Hue, Saturation and Value Color Model

Introduction Hue, saturation, and brightness are aspects of color in the red, green, and blue (RGB ) scheme. All possible colors can be specified according to hue, saturation, and brightness, just as colors can be represented in terms of the R, G, and B components. Color consists of three main integral [...]

2022-03-31T22:08:19+05:30Categories: Computer Vision|Tags: |

Color Temperature and Kelvin Scale

Introduction Color temperature of the electromagnetic radiation emitted from an ideal black body is defined as its surface temperature in kelvins. Color temperatures over 5000 K are called Cool colors (bluish), while lower color temperatures (2700–3000 K) are called Warm colors (yellowish). Warm in this context is an analogy to radiated heat flux of traditional incandescent lighting rather than temperature. [...]

2022-03-31T22:57:02+05:30Categories: Computer Vision|Tags: |
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