The technique used by light to illuminate the side of the subject, the subject that is or is usually located next to the light behind it, is also known as the backlight. In order to achieve the desired effect, the technology requires the photographer to accurately position the lamp and the subject.
If the photographer or subject changes position, the lights also need to move. It can be a time-consuming process to get the appearance just right, so researchers at MIT and Cornell University have proposed a smart solution involving drones. Equipped with a flash, the drone can automatically change its position thanks to the camera installation interface. The drone is a modified Parrot AR with a wireless flash, a halogen lamp as a continuous light source and a laser range finder to measure the distance.
The calculation process behind getting a drone moving is much more complicated than you think. Instead of simply flying around the subject, the prototype system allows the drone to respond to the motion of the subject. Photographers first need to give the idea of ​​how edge light should fall on this topic. Then, when the UAV moves to that location, it is necessary for the photographer to specify how wide the rim needs to be as a percentage of the initial value. For the changing position of the theme, drones did maintain the marginal light specifications.
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