Part of the technology is the capturing of photons, fewer of which bounce off dark skin than light skin, so it is in part the same generic problem as always: fe

Part of the technology is the capturing of photons, fewer of which bounce off dark skin than light skin, so it is in part the same generic problem as always: fewer photons, less data, worse images. Whether it's day vs. night, fast lens vs. slow, close vs. distant, fast moving vs slow (requiring fast shutter than lets in less light), or whatever causes it, fewer photons mean more problems. And even if you get enough photons to, for example, recognize both black and white equally well in daylight, you might not at night or in a deep shadow indoors, or up close equally well but there will be some distance at which the advantage of more photons begins to matter, or some speed, or some combination of factors. Any technological improvements will help, but there won't be any technological solution that will always work equally well with fewer photons as with more.