Is there a name for pictures with a clear background? (photoedits)?

im getting into photoscape and also editing fotos, i solely found several pictures online that have clear background objects (not white) which i can create ontop regarding my pictures to seem real (for case in point, Hair, hats, glasses, accesories).i tried using looking online for more but we would like a extra specific name to find, is now there a identify for these style of “clear back again grounded” pictures

These these are known as transparent qualifications.Most of the time these picture files get extension.PNG.In order to search intended for them on the internet.

Green-screen, Chroma Essential, Keyed-out background, transparent history:
Case in point:
http://lmgtfy.com/q=hat+transparent+background
BTW the trend is to want whitened backgrounds

You can seek out.PNG formatting images on google.PNG forms are usually CLEAR Background scenes type.

Transparent, or maybe with an alpha-channel.