Huawei’s New Dual-Camera Phones

Maybe you have heard about devices which use two identical cameras with the same focal length fixed at a pre-defined distance between them. This type of dual-camera setup was used mainly in stereo vision for constructing 3D images and/or real depth calculation such as the Kinect camera. Huawei has introduced a new concept for using dual camera systems. Here we are going to inspect that in more detail.

On April 6th in London, Huawei has organized an event. At this event, Huawei has unveiled its new two smartphones: Huawei P9 and P9 Plus. The two phones come with 5.2-inch and 5.5-inch displays respectively. For RAM, they come with 3GB/4GB of RAM and for internal storage they come in 32GB model and 64GB model. Both devices come with a fingerprint sensor. Battery capacity is 3000mAh for the P9 and 3400mAh for the P9 Plus. All these specifications are great, but many other phones come with similar features. So what’s special about these two phones?

The two phones come with 8MP front camera and 12MP dual rear cameras. Yes, you got it right dual rear cameras for the phone. But what are those two cameras for? Are they for some kind of 3D image construction or something? Actually, the answer is no. The two cameras are going to capture one image at a time. In brief, that image should be of extremely better quality than current counterparts. Huawei says that the new dual-camera system should capture images with 270% lighter than an iPhone 6S! How is that technically possible?

Dual Camera in Huawei P9

Speaking technically a little bit, the two sensors are a RGB sensor and a monochrome sensor. The RGB sensor as we know takes color photos. The monochrome sensor takes white and black photos only. Each sensor has its own advantage. The RGB sensor obviously constructs the feeling of colors in photos and lets us know which color lies where in the photo. The monochrome sensor takes white and black photos which are rich in details. The monochrome sensor is only concerned about light intensity at a specific point as it doesn’t take account for color. On the other hand, RGB sensor filter light to show areas and their colors. So, black and white photo provides more light details and RGB photos provide more colors.

The Huawei P9 and P9 Plus do the magic of combining both photos from both cameras to construct a theoretically amazing photo quality. You can also use the monochrome camera alone and take true black and white photos, although that wasn’t the primary intended usage. We should also mention that this dual-camera system was a product of the collaboration between Leica and Huawei. However, we can’t say for sure that the devices use the same extraordinary Leica sensors, but at least Leica has collaborated somehow in this system. The two phones are expected to hit the market beginning April 16, but not in the US. However, we think that Huawei is playing hard to beat Apple and Samsung in the mobile market.

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