Samsung Readme: How to create virtual reality with Gear VR
If you sit on the couch, you can go deep into the ocean, explore the underwater world or visit Tony Stark's lab in The Avengers? Over time, many things we once thought were sci-fi have become a reality. Samsung launched Gear VR at the 2014 Consumer Electronics Show in Berlin, one of many attempts at virtual reality, offering a 360-degree virtual reality experience that immerses users in virtual environments.
What kind of development process did Samsung Gear VR experience? Samsung's own website, Samsungtomorrow, recently explained some of the processes behind this device development.
"Mobile-based virtual reality"
Since virtual reality devices require high-end technologies such as high-precision sensors, high-definition displays, and powerful computing power, most of the virtual reality products have so far been based on personal computers. Traditional head-mounted displays (HMDs) need to be connected to a personal computer via a cable, while Gear VR is wirelessly connected, based on the phone. How did the mobile virtual reality come about?
Head-mounted display using a function machine
Although Samsung has been researching virtual reality products very early. In January 2005, Samsung acquired a patent for a head-mounted display that uses a flip-function machine. It is said that this is the first time that a mobile phone is used as a display for a head-mounted display. Samsung also believes that creating a mobile-based virtual reality environment is more conducive to the popularity of this technology.
Prototype with Galaxy S4 phone
Functional machine performance and display limitations make it difficult to implement virtual reality. Samsung continues to conduct research on virtual reality and head-mounted displays. When the Galaxy S4 was released in 2013, Samsung formed a team to develop a virtual reality device using a smartphone. So Samsung made several prototypes of head-mounted displays with Galaxy S4 phones.
However, although the Galaxy S4's display is Full HD, its performance and display still fall short of the standard for head-mounted display. However, Samsung has also learned about the key elements of virtual reality headset technology: to quickly and accurately track the head, display with ultra-fast response speed and optimize the GPU.
Galaxy Note 4
With the launch of the Galaxy Note 4, the Gear VR is available. The Galaxy Note 4's processor, GPU and QHD display are well suited for virtual reality devices. Samsung has produced more than 30 prototypes.
challenge
Mobile-based virtual reality headsets are possible with Galaxy Note 4. In addition, the birth of Gear VR is also largely due to the cooperation with Oculus.
Joo NamKung, who is responsible for product planning at Samsung Electronics, said: “When we started working with Oculus, our concept of this device was very different.†Oculus has always focused on gameplay, while Samsung wants to use virtual reality devices to consume movies and videos. And a variety of entertainment content such as photos. In addition, Oculus' head-mounted display is based on a personal computer, so it is not considered to be able to use a smartphone to make a head-mounted display. The two companies discussed this and eventually made Gear VR come true.
In order to achieve the performance of Gear VR, great efforts are required in both hardware and software. Samsung said that they have studied a large number of human body data of different age groups in different ages in order to make the Gear VR comfortable to wear. These data include eye spacing, nose size and position, cheek bone protrusion, head size, and the like. In software, they also worked together to implement advanced virtual reality technology and take advantage of the high-end display of the Galaxy Note 4. Some of the main goals they have achieved are:
1) Motion to image (MoTIon to Photon) delay is less than 20 milliseconds
2) Overall optimization of hardware and kernel
3) Galaxy Note 4 QHD display to support HD rendering
The future of Gear VR
For Samsung, this goggle-like head-mounted display is a brand new product category. JinGoo Lee, a senior engineer at Samsung Electronics who participated in the development of Gear VR software, said: "Samsung has a lot of concerns about this new attempt."
However, the unlimited potential of virtual reality is also worth looking forward to. Facebook CEO Zuckerberg has said that virtual reality will become the next generation computing platform, and it is expected to have 1 billion users in the next decade.
What is the possibility of virtual reality technology? As the Internet of Things connects all objects and creates infinite possibilities, virtual reality technology will maximize the interaction of people and objects in the new environment of the virtual world.
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