Pixel 4 is equipped with a Night Sight mode that allows you to take beautiful pictures of stars in the night sky. Google explained the details of the technology in its official blog.
In the Pixel 4’s Night Sight mode, a maximum of 15 images are superimposed with a long exposure of up to 16 seconds to amplify it so that it can be seen as a picture that will draw light from a weak star. Google explains that it has realized accurate night sky shooting by adding AI technology.
For example, cameras or smartphone sensors always have some strange pixels, which is a problem with inaccuracies in long exposures. For this reason, in Pixel 4, the value at the inaccurate point is replaced with the value of the surrounding pixels to improve the image quality.
It also helps users make composition decisions. First of all, even if you point your smartphone at the night sky, the starlight is so low that nothing is displayed on the display. On the Pixel 4, you can view photos taken with a maximum of 16 seconds exposure through a post-shutter viewfinder. With an exposure that is 250 times longer than usual, the user can decide whether to continue shooting the composition or change the composition.
Not only that, the Pixel 4 automatically recognizes which location is in the night sky and which part is the floor. By darkening the night sky area, the contrast is selectively increased to make the clouds, color gradation, and milky way stand out. With this research, it has realized advanced night sky shooting functions that exceed common sense in existing smartphones. Night sight mode shooting requires fixing with a tripod, but if you have the Pixel 4, it can be a feature you want to try at least once. Related information can be found here .
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