#chromakeying

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Hello Readers, today through this blog we will discuss about an exclusive Green Screen Technique developed by the famous Disney Studio.

By the name of this exercise I was a bit overwhelmed at the same time afraid of what should it take to finish this exercise. My other batch mates who are also currently taking cmsc 165 said they used RGB color space to detect the foreground from background, but in the end we decided to use HSV colorspace and HSV didn’t fail us. 

Per frame in the video (that will be put to another video ) was converted to HSV and then we converted it to grayscale for it to be processed to threshold (using otsu). I was amazed because the output was magnificent. The green background from RGB  video became white in the threshold and the foreground became white.

Because of the good choice of color space and threshold , we were able to interpret the exercise accordingly.

https://vimeo.com/165690417

(Washington, DC — May 10, 2016) May 13 marks the debut of Jane Claire Remick’s new iOS mobile app GreenMyScreen, which is presented as part of the exhibit code/switchat Women Made Gallery in Chicago, IL. The exhibition is curated by interdisciplinary artist, writer, and organizer Kayla Anderson, who explains that “code/switch will explore technology as subject as well…

0SHARESshare on facebookshare on twitter Technology has changed the face of filmmaking. From digitally creating dinosaurs to building an entire space station, we can show almost anything on the big screen now. Green screening or chromakeying has become an important aspect of filmmaking. A green screen (or blue) can help you create any background & all you need to do is, ensure…

Here are some examples of Chromakey used within the Lord of the Rings. Notice how the white dots are on the blue screen in the distance. This is due to these shots actually moving in the film, so the dots are used as trackers to make sure that wherever Gandalf or Elrond move, so does the perspective of the setting. This is 3D tracking and quite difficult to do. For this reason, I won't be using any moving camera shots in my final submission. 

Also notice a blue screen is used. This is due to the folliage in Gandalf's shot being green and Elrond's costume having green colour in it. If the screen were in fact green, the foliage and parts of Elronds costume would turn 'invisible'.

ALSO notice the colour grade applied in post to create the warmth of Rivendell and light the actors faces.

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