Archive:Kdenlive/Manual/Effects/Alpha manipulation/Blue Screen/uk: Difference between revisions

    From KDE UserBase Wiki
    (Created page with "2. Знайдіть пункт «Хромакей» на вкладці ефектів і перетягніть його на вкладку властивостей.")
    (Created page with "Для чорного тла дещо ефективнішим є перехід екран.")
    Line 5: Line 5:
    This effect allows you to do Chroma Keying (also known as Green Screen or Blue Screen) in '''Kdenlive'''. Chroma keying is where you remove backgrounds of a similar colour. This effect is a very basic. For a more complication alpha manipulation/background removal effect, use  [[Special:myLanguage/Kdenlive/Manual/Effects/Alpha manipulation/Color Selection|Colour Selection]]
    This effect allows you to do Chroma Keying (also known as Green Screen or Blue Screen) in '''Kdenlive'''. Chroma keying is where you remove backgrounds of a similar colour. This effect is a very basic. For a more complication alpha manipulation/background removal effect, use  [[Special:myLanguage/Kdenlive/Manual/Effects/Alpha manipulation/Color Selection|Colour Selection]]


    For black backgrounds, the [[Special:myLanguage/Kdenlive/Manual/Transitions/screen|screen]] transition is slightly more effective.  
    Для чорного тла дещо ефективнішим є перехід [[Special:myLanguage/Kdenlive/Manual/Transitions/screen|екран]].  


    Here are some video tutorials on how to use chroma key.
    Here are some video tutorials on how to use chroma key.

    Revision as of 09:35, 29 July 2019

    Other languages:

    Хромакей

    This effect allows you to do Chroma Keying (also known as Green Screen or Blue Screen) in Kdenlive. Chroma keying is where you remove backgrounds of a similar colour. This effect is a very basic. For a more complication alpha manipulation/background removal effect, use Colour Selection

    Для чорного тла дещо ефективнішим є перехід екран.

    Here are some video tutorials on how to use chroma key.

    Basic Chroma Keying Tutorial

    1. Позначте кліп, до якого ви хочете застосувати хромакей на монтажному столі.

    2. Знайдіть пункт «Хромакей» на вкладці ефектів і перетягніть його на вкладку властивостей.

    3. Click on the button that looks like a water droplet, and then click on the background of the video. This will chroma key out the background.

    4. Use the variance slider to control the amount of background chroma keyed out. This will require adjustment if your chroma key didn't immediately turn out perfect


    Відеопідручник
    Додаткова інформація

    See also Rotoscoping effect. Rotoscoping is where you manual draw a region, and everything outside/inside that region will disappear. This is useful for backgrounds with multiple different colours.

    See also Key Spill Mop Up effect in the Misc group. The Key Spill Mop Up effect can be used to improve the edges of the blue screen effect - when edge problems are caused by "keyspill". Keyspill is when the color of the screen used for colorkeying spills onto the subject due to light reflection.

    See also Colour Selection which also does color based alpha selection, but in a much more detailed fashion. Use it for less contrasting or more complex backgrounds.