Color depth triangle does enclose a much larger gamut, so whether more than three primaries results in a difference to the human eye is not yet proven, since humans are primarily trichromats, though tetrachromats exist. Color depth Color depth or colour depth (see spelling differences), also known as bit depth, is either the number of bits used to indicate the color of a single pixel, in a bitmapped image or video framebuffer, or the number of bits used for each color component of a single pixel. For consumer video standards, such as High Efficiency Video Coding (H.265), the bit depth specifies the
American Journal of Physical Anthropology supplement of the "American Journal of Physical Anthropology". It provides "broad but thorough coverage of developments within the discipline" of physical anthropology. American Journal of Physical Anthropology The American Journal of Physical Anthropology is a peer-reviewed scientific journal and the official journal of the American Association of Physical Anthropologists. It was established in 1918 by Aleš Hrdlička (U.S. National Museum, now the Smithsonian Institution's National Museum of Natural History). The journal covers the field of physical anthropology, a discipline which Hrdlička defined in the first issue as "the study of racial anatomy, physiology and pathology." The Wistar Institute of Anatomy