Introducing our various lighting techniques using LED lightng system.
Introducing technical terms of CCS lighting systems
- Contrast(Lighting)
- The ratio of difference between light and dark as shown on a screen. The change of contrast level refers to 'tone'. High contrast means the difference between light and dark of an subject is clearly appeared.
- S/N ratio
- The ratio of signal vs noise. A value indicating the strength of the desired signal level, in comparison to unnecessary background noise. The greater differences the better results.
- Binary
- A technique by which to obtain the brightness of pixels and output white. When the level of brightness is greater than a specified value or when the level is lower than a specified value. By this technique, however, the intermediate tone section is divided into white or black. While the image with extremely emphasized features can be obtained, there is a disadvantage that intermediate tones cannot be represented.
- Threshold value
- Generally, it refers to the value of the boundary for dividing an area, but in image processing, it means the reference value to divide a binary image whether it is black or white. When creating a binary image from a multi-level image, it is necessary to set at which gray level two values of white and black will be distinguished.
