Choosing Which Chroma Keying Filter To Use In mimoLive Logitech ) for others there is a 3rd party app called Macam for that. Some vendors provide separate tools to adjust the camera settings (e.g. However, for chroma keying, you need to lock down the camera parameter. Usually, you don’t need to set up anything for webcams: You plug them in and they adjust automatically to the environment giving the best user experience. ![]() * Even WebCams can be locked down in Focus, White Balance, and Exposure The same applies to the Exposure of your camera: If you don’t lock it down it will change the moment someone is performing in front of the green screen and the Chroma Key Filter won’t work anymore. This will change the color to key too and you need to readjust your Chroma Keying settings again. The White Balance will change once someone is stepping into the field of view. These features tend to vary if a camera is looking at a single-colored background only: The autofocus feature will jump because it can’t find any point in the image that tells it that the focus is right. You should use a camera that is able to switch to manual mode where you can adjust and lock certain parameters of it: One key to a good Chroma Key is the camera device. You can also check out the video above for a detailed look at this lighting technique. Below is another suggestion on how to place up to seven lights. From here you can add as many more lights as you want. It highlights the edges of your subject, so it stands out more from the backgroundĬonsider this a solid starting point for your lighting. The Back Light is placed opposite to the Key Light behind the subject and dimmed to around 30-40%. It is dimmed to around 60% and fills in all harsh shadows on your subjectģ. The Fill Light is also placed at a 45° angle to the subject, but on the other side of the camera. The Key Light brightens up your subject in general and is placed at a 45° angle at the subject on either side of the cameraĢ. While you should try around here, to find whatever works best for your needs, a very common technique used is called three-point lighting, which you need at least three lamps for:ġ. The placement of your lights is a crucial part of the setup. Also, some spotlights from behind onto the shoulders and hair will help to decrease the amount of color spilling onto the actor in the video image. Because the backdrop will reflect lots of light and therefore will shine on the actor it’s important to stand far away from the backdrop.However, this behavior can also be used to create some fun effects! Those areas will be keyed out by the Chroma Key Filter as well. The actor mustn’t wear any clothing that matches the backdrop color. ![]() This will help the Chroma Key Filter to figure out what is a green background and needs to be cut out (keyed) and what parts of the image should remain.
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