Monday, 23 January 2023 11:21

Isocell HP2 makes pictures clearer in premium Samsung smartphones

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Samsung Electronics unveiled its 200-megapixel (MP) image sensor, the Isocell HP2, to provide clearer images in premium smartphones.

“The Samsung Isocell HP2 harnesses Samsung’s high-resolution image sensor technologies and know-how at the cutting edge for epic details,” said Samsung Electronics executive vice president sensor business team Joon Seo Yim.

The Isocell HP2 packs 200-million 0.6-micrometer (μm) pixels in a 1/1.3” optical format, a sensor size widely used in 108MP main smartphone cameras, according to Samsung.

The new sensor boasts higher resolutions in latest smartphones without large camera bumps in devices.

With Samsung’s pixel-binning technology, Tetra2pixel, the HP2 adds more versatility to the camera as it simulates different pixel sizes to accommodate varying lighting levels.

When in low-lit environments, the sensor transforms either into a 1.2μm 50MP or 2.4μm 12.5MP image sensor by binding four to 16 neighbouring pixels. For fuller 8K video, approximately at 33MP, the HP2 switches to 1.2μm 50MP mode to minimise cropping and capture more of the scene.

Filming 8K at 30 frames-per-second (fps), a wide field of view along with bigger pixel size can produce sharp cinematic videos.

Samsung’s dual vertical transfer gate technology reduces washed out pictures from brightly lit environments.

In a photo diode within each pixel, a voltage transfer gate is placed on the bottom to transport electrons from the pixels to the logic layer. D-VTG adds a second transfer gate in the pixel, boosting the pixel’s capacity by more than 33%.

Samsung explains that with more electrons stored and efficient signal transfers, this method can reduce overexposure and enhance colour reproduction, especially in bright light conditions.

In low-lit settings, the HP2’s auto-focusing is taken to the next level with Super QPD, which allows the sensor to use all its 200-million pixels for focusing agents.

The ample amount of focusing agents are grouped by four adjacent pixels to recognize both horizontal and vertical pattern changes that delivers faster and more accurate auto-focusing.

Utilising the rich pattern data along with the sheer number of reference points, the new sensor is capable of fast auto-focusing, even in a dimly lit environment.

For HDR performance, Samsung introduces the DSG feature for the first time in 50MP mode which applies two separate conversion values to the analogue signal received at the pixel level.

In addition, the Smart-ISO Pro, an HDR solution that merges different levels of ISO readouts from a single exposure, allows the camera to take 12.5MP images and 4K at 60fps video in HDR.

The Samsung Isocell HP2 has entered mass production.

This first appeared in the subscription newsletter CommsWire on 20 January 2023.

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Kenn Anthony Mendoza

Kenn Anthony Mendoza is the newest member of the iTWire team. Kenn is also a contributing writer for South China Morning Post Style, and has written stories on Korean entertainment, Asian and European royalty, Millionaires and Billionaires, and LGBTQIA+ issues. He has been published in Philippine newspapers, magazines, and online sites: Tatler PhilippinesManila BulletinCNN Philippines LifePhilippine StarManila Times, and The Daily Tribune. Kenn now covers all aspects of technology news for iTWire.com.

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