Lei Feng Network (search "Lei Feng network (search "Lei Feng network" public number concerned) "public number attention" by: The author of this article Chen Lianglong, ah lao technology co-founder (wealth dragon-plum).
In 2016, many people began to frequently contact VR without knowing it. When most people still do not know its meaning, the "first year" has been set. So what does VR have to do with us? The earlier article explored possible business opportunities behind VR . This is a VR prequel .
On February 1st, 2011, Amit Sood from India and three other Google colleagues hoped that more people could easily access and understand the arts and use 20% of the Art Project launched. The plan is to move real museums online and make them accessible to Internet users around the world. At the beginning of the line, the author experienced several of these museums out of curiosity.
I remember that the experience was not as good as it is now. Drag and drop the picture with the mouse to see the exhibitions in different directions. You can see the details of the work by zooming in and out . But in this virtual museum, it is inconvenient to walk, hands have to drag and drop, and sometimes in a small area can not tell the direction or even into the blind alley can not get out of the situation. At the same time, the entire experience lacks sound. Unlike the actual exhibition halls, there may be background music. You can feel a strong sense of art while you are in it.
Follow-up Google has made many technical improvements, such as adding floor maps and location hints, and quickly clicking to reach the designated location. In addition, the actual screen also provides directional arrows. You do not need to drag and drop, you only need to click the arrow to switch 360 degrees. There is also a compass to easily locate your own position. Although the experience in this area has not yet been realized, with the above improvements and further enrichment of content, it still attracts nearly 100 million visits, allowing many art workers and enthusiasts to intuitively appreciate these famous works of art without leaving home.
 
(Image from Google Art Project)
Since Google initially positioned this program as a public good, it maintains a proper network environment for pure art appreciation, especially without any advertisements. However, business has always been olfactory and sensitive. With the existence of this technology, people will surely turn it into a business opportunity.
The first is the most direct image-sharing platform. From two-dimensional plane images to 360-degree panoramic images, automatic slow-motion is used to allow users to view images without clicking on one page at a time, while maintaining coherence. Many photo enthusiasts began to share such works or sell them to distribution platforms.
Followed by camera manufacturers and some graphics software developers. For example, Nikon and some startup companies have successively introduced 360-degree panoramic cameras that allow users to take panoramic pictures and use the picture editing tools for quick and easy synthesis. This effectively promoted product innovation and enriched the product line.
Finally, there are some B-end users who use panoramic images for marketing. Some sights and hotels have taken panoramic photos. The user can see the whole hotel and surroundings without any page turning. There are also some real estate companies that have carried out a panoramic display of the entire community and the interior of the house to get rid of the trouble that the original online viewing was always far from the reality.
 
(picture from Decto)
So how exactly did Google move real museums online? The same principle applies to panoramic images: multi-directional image data acquisition - image matching - stitching - optimization - compression - on-line.
Multi-directional image data acquisition , in simple terms, is when multiple cameras shoot from different angles at the same time. Google’s Street View trolley, for example, is equipped with 15 cameras. It takes pictures at a certain time period and sends them back to memory. Of course, the simplest is a fisheye lens, and generally two can reach 360 degrees.
 
(Google Street View Cart)
Image matching and splicing , based on algorithms in the field of computer graphics, such as feature points, performing the nearest neighbor search and the like, obtaining the relationship between the images, and then splicing the images based on these relationships, the coherent Panorama.
 
Optimization and compression , in fact, this is the key to panoramic technology, the main image fusion processing, remove the "synthetic sense", so that the final picture quality is even higher. With the same pixel requirements, the compression ratio is better, the storage space is reduced, and the bandwidth requirement is smaller. The user can browse the full picture faster.
After the above steps are processed, the panoramic picture can be launched for users to browse. For camera enthusiasts or ordinary users, it is actually the first step to shoot with a panoramic camera, and then use the processing software to export images for sharing.
With the development of these technologies, panoramic images can be directly acquired by using a hand-held ordinary digital camera or mobile phone, and various 360-degree panoramas can be produced through the splicing software for virtual roaming, digital entertainment, travel display, and remote The field of education, e-commerce and other areas provide a better presence, but also brought great business opportunities. Such as Detu, has launched its own lens, but also developed a cloud production, storage platform, coupled with the sharing platform formed a closed-loop experience, in 2015 won a deep venture capital investment of tens of millions. Another example is the compulsory purchase of the panoramic shopping model, which fully integrates the three-dimensional real-world virtual reality solution with the current virtual online shopping process.
 
But when we want to meet together to visit Google's art museum, it becomes unrealistic. Online museums cannot create enough artistic atmosphere for us. This is the limitation of panoramic pictures. People are always not satisfied with reality, so the development of technology will never stop. VR came into being like this.
Related article: "To move the world back home, where are the business opportunities behind VR? 》
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