Backdrop rear-illumination apparatus, an active green screen and a method for dynamic backdrop rear-illumination

An active green screen comprising:

• a green screen;
• several consecutive layers of diffusing material, the diffusing material being partially translucent and diffusing light, the layers of diffusing material having complementary diffusing properties;
• and
• a backdrop rear-illumination apparatus, the backdrop rear-illumination apparatus comprising:
• a light assembly comprising one or more light-emitting device, a light emitted by each light-emitting device first passing through the consecutive layers of diffusing material and then passing through the green screen;
• and
• a light controller comprising:
• at least one light driver for controlling at least one operating parameter of the one or more light-emitting device;
• and
• at least one user interface or a light remote control module for respectively actuating the at least one light driver.

A method for performing dynamic backdrop rear-illumination, the method comprising:

• extracting by the processing unit of the computing device background image data from images captured by a camera;
• processing by an algorithm executed by the processing unit of the computing device the background image data, the algorithm outputting at least one metric representative of a compliance of a background color of the images with a nominal background color;
• determining that the background color of the images is not compliant with the nominal background color based on the at least one metric;
• generating one or more light control command comprising light control data, the light control data being generated based at least on the at least one metric;
• transmitting the one or more light control command to a backdrop rear-illumination apparatus via a communication interface of the computing device;
• receiving the one or more light control command at the backdrop rear-illumination apparatus via a communication interface of the backdrop rear-illumination apparatus;
• and
• processing by a processing unit of the backdrop rear-illumination apparatus the light control data of the one or more light control command to generate control signals for controlling at least one operating parameter of at least one light-emitting device of the backdrop rear-illumination apparatus.