Datavideo DVK-300HD Quick Start Manual page 36

4.2.2.2. Black level
This function enables the range of transparent colours that are close to the reference colour (green
or blue) to be extended.
Impact of the Black level function on the dependence of transparency on the colour distace from keyed colour
Drawing 37.
4.2.2.3. White level
This function enables the range of colours distant from the reference colour (green or blue), which
are fully non-transparent, to be extended.
Impact of the White level function on the dependence of transparency on the colour distace from keyed colour
Drawing 38.
4.2.2.4. Denoise
This function enables picture to be denoised. It has two settings:
◾
Standard, and
◾
High.
4.2.3. Tolerance correction
Luminance
4.2.3.1.
This function increases the distance of a colour from the keyed colour, taking account of differences
in luminance. In the case of objects with a significant difference in luminance between the back-
ground colour and that of the object, the alpha value is increased.
Color
4.2.3.2.
1.
This function enables the colour green to be added to the algorithm if green is used as the keyed
colour.
2. This function enables the colour blue to be added to the algorithm if blue is used as the keyed
colour.
20 DVK-300HD
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Black level
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White level
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