Samsung launches 50MP ISOCELL GN2 image sensor with fast autofocus – Latest News


Samsung has introduced its ISOCELL GN2 image sensor for smartphones. It’s a 50-megapixel image sensor with large 1.4-micrometer sized pixels. Samsung claims that compared to the ISOCELL GN1, the GN2 offers up to 100MP imaging, improved auto-focusing through Dual Pixel Pro technology, staggered HDR, and vivid results through Smart ISO Pro.

“ISOCELL image sensors and its technologies have made vast improvements to deliver the quality and performance one would expect from top-tier prograde cameras. Our new ISOCELL GN2 features Dual Pixel Pro, an innovative all-direction auto-focusing solution that elevates the agility to capture moments as they unfold. Adding on Smart ISO Pro and a variety of advanced pixel technologies, pictures from GN2 are more true-to-life than ever,” said Duckhyun Chang, executive vice president of sensor business at Samsung Electronics.

The 1/1.12-inch ISOCELL GN2 boasts of detailed photographs in regular settings and in low-lit environments such as indoors. The sensor can simulate a larger 2.8μm-pixel with four-pixel-binning technology to absorb more light, delivering brighter and sharper images.

The GN2 offers an option to take pictures in 100Mp resolutions. In 100Mp mode. The sensor re-arranges the colour pixels using an re-mosaic algorithm, creating three individual layers of 50MP frames in green, red and blue. These frames are then up-scaled and merged to produce a single ultra-high 100Mp resolution photograph.

The ISOCELL GN2 is Samsung’s first image sensor to offer Dual Pixel Pro, the company’s most advanced phase-detection auto-focus solution yet. By employing two photodiodes within every pixel of the image sensor, Dual Pixel Pro makes use of one hundred million phase detecting agents for ultra-fast auto-focusing. In addition, the sensor also offers all-direction focusing by splitting the pixels not only vertically but also diagonally.

“This diagonal cut allows the focusing agents to better recognize the top and bottom of the frame, allowing the sensor to get in focus quickly even when there are no pattern changes in a horizontal direction. Low-light focusing and tracking of moving objects are improved as well, as every pixel of the sensor works as focusing agents,” explained Samsung. The GN2 supports full-HD videos at 480 frames-per-second (fps) or 4K at 120fps. Samsung is already mass producing ISOCELL GN2 sensors.





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