Secret IphoneX 3D depth camera

The world-famous Apple launch was held at the Jobs Theatre in the newly-built Apple Park. On the commemorative day of the 10th anniversary, Apple released the most powerful Apple Watch Series 3 Cellular and Apple TV 4K in history. The iPhone 8/8 Plus is on schedule, and the One more thing is the 10th Anniversary Edition of the iPhone X, which starts at $999 and is definitely worth the money! In addition to the A11 64-bit 4-core processor, 5.8-inch full-screen Super ReTIna, resolution of 2436 & TImes; 1125, rear vertical camera, wireless charging, Battery life upgrade and other performance upgrades and appearance changes, the long-rumored 3D structure The functions of face unlocking, human recognition, and face payment supported by the optical depth camera technology are definitely spike applications, which can be said to cause the design upgrade of the entire mobile phone industry and even the intelligent terminal industry.
3D depth camera supports iPhone X to realize face recognition unlock payment through Face ID

Does the iPhone X use a 3D structured light depth camera?
From the content of the conference, first of all, I can determine that the Iphone X front camera can collect depth information, while the ordinary camera is generally 2D plane imaging, but if the depth information is added, the 3D imaging effect can be achieved;
The 3D camera has three mainstream schemes: structured light, TOF, and binocular:
1) Structured Light: The structured light projects specific optical information onto the surface of the object and is captured by the camera. The information such as the position and depth of the object is calculated according to the change of the optical signal caused by the object, thereby restoring the entire three-dimensional space.
2) TOF (TIme Of Flight): Captures the time of flight of the near-infrared light from transmission to reception through a proprietary sensor to determine the distance of the object.
3) Stereo System: Use a dual camera to shoot an object, and then calculate the object distance by the triangle principle.
What kind of apple will it use? According to the camera composition and face recognition technology published by Apple's conference, Obi Zhongguang's technical experts found that Apple has collected more than 30,000 optical information recognition points, and the information collected by the camera and analyzed by algorithms is obviously using a structured light scheme. .

Iphone X front 3D structure light camera module
Projecting light information, collecting 3D information, and identifying imaging algorithms
From the point of view that Apple has always advertised its pursuit of perfection, the choice of structured light as a 3D depth camera program has obviously passed a lot of arguments.
Comparison of three 3D imaging technologies
As can be seen from the above figure, the advantage of structured light is that it can achieve or even surpass the effects of the other two 3D camera technologies with lower hardware cost, and it is not too high in algorithm development, which is very suitable for smart terminal adoption.

If Apple technology is blocked, what should other companies do?
As everyone knows, Apple's technology is almost never open to the public. Since Apple acquired PrimeSense in 2013, the demand for structured light solutions in the international market has been monopolized. At present, the demand for 3D cameras from domestic mobile phones, tablets and other smart terminal manufacturers is also very urgent. The willingness to follow up is very strong, and we are looking for partners who can provide structured light technology besides PrimeSense. The market is full of phenomena such as the inability to achieve mass production, smashing the eye, and the "image of the image is not like" camera model, wasting the valuable development time of the terminal manufacturers, and more likely to miss the product iteration!

What are the reliable 3D structure light depth camera manufacturers?
As the first place in the 2014 Peacock Project in Shenzhen, the 3D depth camera Astra, Astra Pro and Astra mini launched by Obi Zhongguang have already completed mass production in 2015, and in 2016, they obtained the strategic shareholding of MediaTek. It is currently the fourth manufacturer in the world to produce consumer-grade 3D structured light depth camera sensors after Apple, Microsoft and Intel. It can realize dozens of functions such as face recognition, gesture recognition, human skeleton recognition, 3D measurement, environment perception, obstacle avoidance, follow-up, 3D map reconstruction, etc. It can be widely used in mobile phones/tablets, TVs, somatosensory games, robots, and unmanned Machine, VR/AR, smart home security, car driving assistance and other fields.

Which companies have purchased Obi's 3D camera?
Alipay's brush face payment, the key hardware used in the -3D camera, is the Astra series 3D camera of the Obi LIGHT.
HP's Sprout2 generation, its 3D scanning function is realized by the Obi ASG series 3D camera. (winning from the competition with Intel RealSense)
The machine vision system of the flagship Sambo robot is realized using the Obi Astra series 3D camera.

More than 1,500 companies worldwide purchase Obi LIGHT 3D sensors for product development, including:

Domestic mainstream TV manufacturers, mobile operators, Tmall Magic Box, financial payment companies, etc.;
More than 500 robot companies at home and abroad;
Hewlett-Packard, Bosch and other top ten companies in the top ten;
Domestic mainstream mobile phone manufacturers are deeply docked and communicate with mobile 3D camera solutions.

Recently, Obi Zhongguang will launch a new generation of structured light 3D sensor camera products, which are more compact than the first generation products, with higher resolution parameters and lower power consumption, which will be applicable to mobile phones, tablets and notebooks. Manufacturers who have 3D visual requirements for many miniaturized products are bound to have a huge impact on the design of mobile terminals (especially mobile terminals) at this stage!

Obi zhongguang mobile phone 3D camera product Astra P


Astra series depth camera product map and detailed parameters

The core 3D computing chip, depth algorithm, and system support SDK are also completely developed by the company. Since its inception, it has applied for more than 300 patents at home and abroad, and the R&D team has the technical strength from the underlying chips, depth algorithms, to systems, frameworks, and upper-layer applications.
As a global leading enterprise in the field of artificial intelligence, the company has applied 3D sensor technology to financial payment, somatosensory TV, robotics, security and other industries, and continues to be in the field of 3D structured light sensing technology. Explore, Obi Zhongguang's products will continue to move forward in new applications such as mobile phones, new retail, and 3D fittings.

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