Do you want to make videos on your own with your telescopic pole, but you want it to be invisible to the final rendering?It's possible.But only with certain models of cameras which are traditionally called: 360 -degree cameras.
- 1. Step 1.Have a 360 -degree camera
- 2. 2nd step.Use the 360 camera correctly
- 3. In summary
Step 1.Have a 360 -degree camera
If you want to make a video without you see the pole, it is possible thanks to the cameras that film 360 degrees.
Embedded cameras cannot all film 360 degrees.These are only some models.
There are many models and many manufacturers on the market.But the best known and appreciated cameras of users are the 360 GOPRO MAX camera and the Insta 360 cameras of the brand.
As their name suggests, it continuously films 360 degrees.Thanks to this, having two objectives filming with opposite direction, the pole is not in the field of vision and is therefore invisible on the images.In reality the two objectives film at 200 degrees each!And 2 times 200 degrees, it is indeed more than 360 degrees.The 40 additional degrees are removed from the final rendering, which allows to remove the presence of the pole during the "stitching" of the two complementary vision fields.
Caméra 360A 360 -degree camera generally uses two objectives that are back to back.Each of the objectives has an angle of vision greater than 180 degrees (around 220 degrees).Thus, the two objectives largely cover the 360 degrees necessary.
The complexity of this camera lies in software technology that will reach the fields of two cameras by assembling them (Stitching in English).The joint occurs in the overlapping areas (red zone on the diagram).It regularly happens that the superimposed areas of the two objectives are a source of small visual bugs.
The 360 -degree camera with two objectives therefore requires a software part to assemble the two fields of vision and have them merge into a single video source.
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2nd step.Use the 360 camera correctly
To remove the pole from the 360 -degree image, you must respect certain instructions at the time of the shooting.
Among the most important recommendations:
If the pole has an adapter which is wider than the 360 camera, the downward vision field is blocked for the camera.It will therefore not be able to completely erase the pole and it will persist a fixed black circle which will degrade the quality of the video.
It is for this reason that it is better to use the official accessories of the 360 cameras so as not to have problems at the time of assembly and postproduction.
There are also software solutions to remove the pole, during a postproduction images processing, it is possible to remove fixed elements and then generate material instead of the pole.
This solution is more difficult to put in place and the results are not always excellent.
Therefore favor a native 360 camera that allows you to hide the pole.This function is sometimes called "invisible selfie stick".
In summary
The 360 -degree cameras actually capture 400 degrees, in this case during the assembly of the two objectives which each film at 200 degrees, the pole is cut off from the field of vision.We must respect certain basic rules such as having a thinner pole than the size of the 360 camera.Nothing should exceed under the camera so that the "invisible pole" effect is successful.
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