Spatial and temporal sampling has a long history and much has been written in signal processing texts. Color sampling has not been treated with as much rigor, even though the CIE formalized a set of ...

Apple is exploring new Apple Pencil technology that could allow the device to sample colors from the real world to use in digital art, drawings, edits, and more, according to an Apple patent ...

Apple has filed for a patent (number 20210357044) for a “computer system with color sampling stylus.” It involves a possible future iteration of the Apple Pencil that can sample and reproduce colors.