360 degree panoramic photography technology application (1)

Summary: in the past, we are in a small space trying to build a monitoring system, would be several programmes: short focal length lens camera, the adjustment of the installation location, or multiple camera linkage on the radio, etc.

But the way there is a different application defects; select the short focus lens camera, the level of Visual range is less than 80 degrees (wide angle is also super but 90 degrees), consequently monitoring range smaller; adjustment of the installation location, tend to be objective environmental constraints stable installation (e.g. a glass, side doors, roof on the wire or not bearing decorative ceiling, etc.); select multiple cameras linked to ...

We try to build in a small space monitoring system, no would be adopted several programmes: short focal length lens camera, the adjustment of the installation location, or multiple camera linkage on the radio, etc.

But the way there is a different application defects; select the short focus lens camera, the level of Visual range is less than 80 degrees (wide angle is also super but 90 degrees), consequently monitoring range smaller; adjustment of the installation location, tend to be objective environmental constraints stable installation (e.g. a glass, side doors, roof on the wire or not bearing decorative ceiling, etc.); select more camera linkage to shoot, not only increased the cost of equipment, also makes construction become more cumbersome.

Therefore, there is usually only necessary, we will struggle to bring in a small space and attempt to install video surveillance equipment.

Just when people began to be used to put up with such an erection when a (inherent contradictions in the system of needs), quietly produces a fn-360 degree panoramic photography.

A technical introduction

As the name implies, 360 degree panoramic photography is one-time included all of the images after about, no late-synthesis of the information, nor many camera stitching.

Its principle based bionics (fish-eye structure shown in Figure 1) using physical optics of mirror reflection of transmission plus a one-time level 360 °, vertical 180 degrees of information Imaging (Figure 2), and then uses the hardware comes with software to convert to the human eye used to render the screen.

Figure 1 fish eye structure

Figure 2 fish-eye lens hardware schematics

Fish-eye lens is a super wide-angle lens of special visual effects similar to a fish-eye observation of the surface of things.

Fish eyes and analogous constructions of the human eye, but relative to the Oblate eye lens, fish-eye lens is round ball, although I can only see the closer objects, but it has a larger perspective.

Figure 3, the person seeing the water loop, because the real reflection of light refraction occurs in the Shui, give a false impression of objects in a virtual image location (for example water chopsticks bending phenomenon).

According to the principle of light refraction, dipped into the water from the air and other media, refraction angle is less than the incidence angle; light from water media dipped into the air, refraction angle is greater than the incidence angle. It can be summed up as the light from a medium angle beam into another media, Media General will change direction. Fish-eye lens is the use of refraction principles, in the spirit of having a larger sphere radians (similar to FishEye spherical lens), imaging plane from closer to the lens (fisheye lens to the retina of proximity) of design ideas, for the development and manufacturing.

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