And I'd say that if you can't match the background exactly, it's important to make sure there are at least some resonances.
"The essence of digital camouflage goes back to the old question: Is the purpose of camouflage to match the background or to break up the shape of the target?" Dr. O'Neill says.
(In the new movie, we meet Matt Damon, in a suit that changes color to match the background, and Tilda Swinton, as an online therapist with a frosted black wig and a scalding Scottish burr).
This was done to match the background activity concentration specified by the NEMA NU2 image quality test.
You can specify the flicker pattern, and use the Philips Hue iPhone app to do a bunch more neat stuff, like change the lights to match the background color of a picture taken with the phone, for instance.
It will operate in a scanning mode from a sun-synchronous orbit, using low temperature detectors (at 0.1 K) and located inside a telescope that is cooled to approximately 2.73 K – to match the background temperature.
Vegetation behind nightjars significantly increased their aerial escape opportunities from terrestrial attacks during their peak activity period, when nightjars reveal visible feather bands during their foraging sallies from the ground and their cryptic colouration may not always match the background.
One can observe that at extremely low counts, the tails of the 90Y match the background measurement, while some residuals can be seen at the higher count rate, possibly due to residual scatter or pair production from high-energy Bremsstrahlung photons.
The tempo of his footsteps was designed to match the background music; if he picks up his plug to walk faster, the music speeds up.
In some cases, the corners of rotated images were colored to match the background.
