Trace the source of technology behind 3D face recognition

On May 31, Xiaomi held a press conference in Shenzhen to formally release the 8th Anniversary of Xiaomi’s new smart phone – the Xiaomi 8 series mobile phone. The Xiaomi 8 Exploration Edition and the Xiaomi 8 Standard Edition had the same processor, memory, flash memory, and camera module. , And the difference is that in addition to the design difference, it is the two major hardware-based features. The first is Face ID, which is the first Android phone to implement a 3D face recognition system based on coded structure light technology.

The technology is supported by Israel's leading 3D sensor company, Mantis Vision, and its module partners. Mantis Vision focuses on innovation and R&D in 3D and computer vision technology, with as many as 41 related patents. Leading technology strength and strong research and development capabilities have made Mantis Vision one of the industry's leading companies and pioneers, gaining pro-gaze from global customers and investors. At the beginning of 2018, the company obtained Series B financing from industrial capital and professional investment institutions such as Lian Mei Holdings (600167), Sony, and Yaotu Capital.

Xiaomi 9 Exploration Edition added a dot matrix projector to capture face 3D depth information based on Xiaomi 8's infrared face unlocking program (infrared lighting originals, infrared cameras). This fringe facial recognition system includes: Distance sensors, infrared cameras, floodlights, dot matrix projectors.

Apple's iPhone X is the first company in the global mobile phone brand to use 3D speckle structure for face recognition and payment. The technology was derived from Prime Sense, which was acquired by Apple in 2013 and was wholly-owned by Israel for 345 million US dollars. After the first use of 3D structured light for face recognition and payment in the iPhone X, this technology has attracted much attention.

Apple acquires Israel Primesense to acquire 3D structured light technology

The 3D structured light face recognition technology launched by Xiaomi 8 Exploration Edition is the first attempt of this technology on Android phones. Unlike the iPhone X's speckle-structured light solution, Mantis Vision uses mask-based coded structure light to acquire depth information through innovative, patented coding techniques. The speckle structured light method uses 30,000 discrete distributed infrared lattices to perform deep detection, while Mantis Vision adopts a coding method, and the face presents a regular geometric coding pattern, which can quickly match the feature points and reduce the amount of 3D information calculation. To reduce the power consumption of the structured light algorithm.

Whether it is apple-dominated speckle-structured light technology or the Mantis Vision coded-structure light technology used in the exploration version of Xiaomi 8, all from the bottom innovations of Israeli start-up companies, it reflects Israel’s strong technical capabilities and application potential in the field of 3D sensors.

Face ID 3D structured light technology is different from other 2D information-based authentication technologies in that the face 3D depth information is safer and more private. This technology carries the digitization of the real world. As a result, some application scenarios that are completely different from traditional two-dimensional imaging are produced, and in the future there will be a wide range of application space in many fields.

Mantis Vision is based on the most core 3D vision technology and extends its applications in various industrial fields. In the professional market, Mantis Vision has high-quality 3D hand-held scanning equipment that can work outdoors in harsh environments. It can be used in scenarios such as automated manufacturing, digital museums, indoor scene reconstruction, criminal investigation scans, and oil and gas pipeline inspections. The mobile market, launched by Mantis Vision The miniaturization, low cost, mobile-side hardware with algorithms and programs can be integrated into any mobile or smart device. At the same time committed to the VR / AR market, the real 3D vision technology applied to life, creating a different 3D era!

3D imaging sensor is one of the key layouts of Yaotu Capital. At present, Yaotu Capital has invested in more than 5 leading global startup companies, including Innoviz laser solid-state radar (acquired by Delphi, Magna, Softbank, Samsung, Yaotu Capital. (Strategic Investing), a dual camera algorithm leader, Corephotonics (acquired a strategic investment from Samsung, MTK, Foxconn and a well-known mobile brand), Vayyar Imaging (just announced the successful launch of the 3-83GHZ ultra-wideband 3D imaging SOC), Mantis Vision, and Toryo Optoelectronics (leading ToF solution provider), almost all of the portfolio has become a leader in the segmentation industry.

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