The phrase "additional brightness" is correct and usable in written English.
It can be used when referring to an increase in light or luminosity, often in contexts related to lighting, photography, or visual displays.
Example: "The new lamp provides additional brightness to the room, making it feel more inviting."
Alternatives: "extra light" or "increased luminosity".
"There is less bright sunlight and cloudier days in winter, so it is more difficult for the eye to accept the brightness," she noted, whereas in the summer, bright sunlight makes it "easier for the eye to 'take in' additional brightness".
The intensities of blue and green that were determined to be as bright as the standard grey were chosen as standards in two additional brightness matching tests.
If you're willing to trade screen size for additional brightness by reducing the magnification, you'll be even more impressed with the performance in terms of image quality.
Additional brightness came from whole vinegar-and-water-soaked mustard seeds, and overt sweetness (pretty common in these parts) from roughly mashed sweet potato: a terrific ensemble.
Other groups verified the discovery but reported additional changes in brightness that seemed to indicate the presence of another body.
What I'm talking about is the additional colour and brightness which is lent to daily exchanges by rhythmically sprinkling each sentence with some adjectival profanity.
However, to prove unequivocally these mechanisms additional studies using brightness analysis [32] and Fluorescence Cross-Correlation Spectroscopy (FCCS) [22] are required.
Finally, two additional studies revealed that brightness facilitates the suppression of desires and socially undesirable impulses which signals high self-control.
Moreover, the software had to continue tracking even when water levels changed over 3-day experiments, which is difficult because as the meniscus moves due to microevaporation, additional shadows and shifting brightness levels impact the use of a background image captured without the animal at the start of the experiment.
Apart from minor adjustment of contrast and brightness, no additional image alteration was done.
This introduces additional ambiguity since the brightness of the pixel depends not only on local information in the vicinity of the focused spot.
