In a similar move to what Canon has done with Hybrid AF on their 70D sensors, Fujifilm has put in a patent for Hybrid AF pixels according to Fuji Rumors. Essentially, what it’s doing is embedding special pixels that offer both phase detection and light gathering abilities onto the sensor to work in conjunction with the contrast detection focusing while also not jeopardizing image quality. Of course, the light transmission won’t be at 100% according to the patent due to the pixels functioning to do two jobs.
On other systems, the sensors have pixels just for phase detection–at least that’s what Egami is hinting at. Of course, when this hits the market we only expect it to do a marginally better job in its first iteration. In future iterations, it will most likely become much better as algorithms improve.
Indeed, when this does finally come to the consumer market, it will be awesome for street photographers, wedding photographers and event shooters. And it’ll be very exciting to see what happens when this comes out.