1. Preq: Channels

    The Channel key node, your secret to processing greenscreen video. There are sample greenscreen video clips available on the net (Google, or search BlenderArtist) to use in this exercise. I discuss premultiply alpha and color spill. This also works for BlueScreen, WhiteScreen, and BlackScreen.
    The second approach is using the Chroma key, which has the advantage of being able to use the eyedropper to sample the key color, the color to be "keyed" out.
    The Third way is using the Difference Key.
    If you like the videos in this Special Effects series, please consider making a donation of US$5.99 at wickes.webs.com/compositingtutorials.htm Proceeds go to support Blender and future development.

    # vimeo.com/1047991 Uploaded 6,447 Plays / / 1 Comment Watch in Couch Mode
  2. You can alter the lighting (general ambient, specific spots, color/warmth) of a video using the Compositor Nodes. Even though there isn't a "light" in the nodes-based compositor, I discuss how to enhance and "light" by increasing the brightness/contrast of an image or, using a mask, a portion of an image, much like lights do to a non-shadeless plane. The advantage to nodes is that you can easily enhance only a certain color spectrum, like making a forest look greener, or an ocean look bluer. Masks can be other 1) images via the Image input node, or 2) textures introduced through the Texture input node, or 3) by making a mask in 3D space and introducing it into the compositor via the RenderLayer node. In Advertising, you always highlight the key product.

    If you like the videos in this Special Effects series, please consider making a donation of US$5.99 at wickes.webs.com/compositingtutorials.htm Proceeds go to support Blender and future development.

    # vimeo.com/1047943 Uploaded 2,140 Plays / / 0 Comments Watch in Couch Mode
  3. Please watch Intro: FLying Camera Rig before this

    Instead of nodes, Blender allows you to spot light portions of an image. Using the flying camera rig, I show you how to light up portions of the projection screen to get really dramatic lighting. Turn a daytime shot into nightime, and light up the scene as if it was lit by the moon and streetlights. Make your model have green eyes, or turn them into Dracula. Whiten teeth, give em a sunburn, whatever. Add lights together, angle them to give different footprints, to build up a composite image in your virtual darkroom.

    If you like the videos in this Special Effects series, please consider making a donation of US$5.99 at wickes.webs.com/compositingtutorials.htm Proceeds go to support Blender and future development.

    # vimeo.com/1047897 Uploaded 2,766 Plays / / 0 Comments Watch in Couch Mode
  4. Using the virtual darkroom analogy, I explain how to use the Flying Camera rig to crop/scale/distort video. Using a non-orthographic camera, we can scale rotate and zoom by keyframing the camera location. File navigation and relative file specs, types of files and multi-file (sequences), selection, and special video controls are discussed to offset, start, fields, and cycle the video. Also information about the video is shown in the console window by the codec.

    Please watch Blender3D Tutorial - Convert: Flying Camera Rig first!

    If you like the videos in this Conversion & Distortion series, please consider making a donation of US$4.99 at wickes.webs.com/compositingtutorials.htm

    # vimeo.com/1045468 Uploaded 2,780 Plays / / 0 Comments Watch in Couch Mode
  5. Using nodes, I show you how to pan (more the camera side to side) and zoom in/out on a portion of an image. In fact, you can make a web video out of a static HD image, as if you had a video camera while you were there!

    If you like the videos in this Conversion & Distortion series, please consider making a donation of US$4.99 at wickes.webs.com/compositingtutorials.htm

    # vimeo.com/1046067 Uploaded 2,364 Plays / / 0 Comments Watch in Couch Mode

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