Ambient's Dreamie offers many of the conveniences of a smartphone-connected device — highly customizable alarm schedules, a library of soundscapes and noise masks, Bluetooth so you can connect earbuds and podcasts (soon). But it is phone-free every step of the way, with all controls and features built-in so you don't end up getting sucked into a doomscroll while you're trying to wind down. It also has a light ring for ambient lighting modes and sunrise wakeups. This spring, it's expected to start providing sleep insights as well for users who opt-in, using its microphone and motion sensors to get a reading on their nightly habits.
Like the N-closest algorithm, the weight of each candidate is given by the inverse of its distance to the input colour. Because of this, both algorithms produce output of a similar quality, although the N-convex method is measurably faster. As with the last algorithm, more details can be found in the original paper[2].
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Photograph: Simon Hill
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