Technology

Samsung 50MP ISOCELL GN2 brings Twin Pixel Professional AF, staggered-HDR

When Samsung launched its first 100x House Zoom digicam on the Galaxy S20 Extremely final 12 months, it was criticized for neglecting one necessary facet of digital images, the autofocus efficiency. Since then, Samsung has been cautious to enhance AF in its flagship telephones and its subsequent one would possibly take it to the following stage, or so Samsung boasts. Going past its personal Twin Pixel model of PDAF, Samsung is saying a brand new 1.4μm 50Mp ISOCELL GN2 sensor that carries a Twin Pixel Professional model of its AF tech, together with different methods that enhance the sensor’s low-light efficiency.

Twin Pixel is Samsung’s tackle the widespread Part Detection AF know-how, using all pixels on a sensor for each RGB and section detect mild information. This, it says, already has an enormous edge over regular PDAF because it doesn’t sacrifice image high quality for autofocus. Like all PDAF-based options, nonetheless, it nonetheless has the identical weaknesses, particularly when coping with horizontal patterns.

Twin Pixel Professional solves that by splitting the inexperienced pixels diagonally fairly than simply vertically. This permits these pixels to not solely acknowledge left and proper phases of a picture but additionally prime and backside, addressing PDAF issues that happen when taking pictures of horizontal stripes. It additionally improves focusing in low-light conditions and on fast-moving objects.

The Samsung ISOCELL GN2 additionally options what Samsung payments as staggered-HDR, utilizing rolling shutters to seize photos in numerous exposures. In comparison with the real-time HDR utilized in most sensors, Samsung says it makes use of 24% much less energy whereas nonetheless delivering vivid highlights and darkish shadows.

The 50MP sensor additionally has different methods, like four-pixel-binning underneath tough lighting circumstances or utilizing a mosaic algorithm to create a 100MP image. The Samsung ISOCELL GN2 is already in mass manufacturing so we’ll most probably hear quickly which telephones shall be utilizing it.

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