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The New Htc One M8 Dual Cameras – How It Works?

Dual Cameras on а phone are coming. And they are really good. HTC`s upcoming flagship, code-named M8 is also rumoured to have а dual-camera smartphone. Core phonics, an Israeli startup has demonstrated it`s dual camera tech at MWC 2014. Having dual-cameras has many advantages apart from capturing in 3D. Corephotonic`s prototype has one fixed focus telephoto with а narrow field of view and another is а normal wide angle. Using these two lenses in tandem can dramatically increase photo quality and focus speed.

How does it work, you ask? Well, the customized software algorithms on the prototype compare the images from both the cameras, pixel by pixel. It then determines which pixel is clearer in both the photos and the clearer one is chosen for the final photo. By this, you get the clearest possible photo, one which can be better then 41 MP sensor of the Lumia 1020 while also being significantly smaller.

The narrow field-of-view camera shoots in black and white, so that the resultante image has minimal noise. Don’t worry; the final photos will still be in full-color, as the other camera still shoots in color. However, if а pixel from the Narrow Field-of-view sensor is clearer, it is chosen and then coloured using information from the other camera.

All this happens in real time, without any discernible lag, which is due to the Qualcomm Snapdragon 800 chipset underneath doing the hardwork. The Snapdragon 800 was chosen, because Snapdragon`s 800 series are the only processsors in the market with two Image Signal Processors, enabling the chipset to receive information from both the cameras and process them simultaneously.

Due to information from 2 cameras, you can zoom in а bit without in visible degradation of quality.

Another quirk of having two cameras is that HDR shots are taken in just one shot, increasing speed significiantly. Other phones have to take 3 different shots with varying exposures which adds up in time and also introduces ghosting if there is van а slight movement.

Due to having two cameras, acquiring focus lock is also fast, and can take as little time as 100mѕ. Using the two different cameras, the software is also able to detect depth.

Corephonics says their imaging tech can come in smartphones as early as this year, as most of the parts are already there in the market, with а few modifications. The Qualcomm Snapdragon 800 is already there in most of the flagships from 2013′ѕ 4th quarter and the cameras are just modified Sony 13 MP cameras.

Core phonics’ tech can bring better quality in а slimmer package unlike the Lumia 1020 which has а bulky body. Core phonics’ prototype is visible better than the Lumia 1020.

We are excited about the next big change coming for smartphone imaging.

 

 

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