June 9, 2018

History & the Story of Various Raster Image Formats

History & The Story of Various Raster Image Formats
The word “raster” has originated from the Latin “rastrum” (a rake), which is derived from radere (to scrape). The concept originates from the raster scan of cathode ray tube (CRT) video monitors, which paint the image line by line by magnetically steering a focused electron beam. Besides, it can also refer to a rectangular grid of pixels. The word “rastrum” is now used to refer to a device for drawing musical staff lines. An early scanned display with raster computer graphics was invented in the late 1960s by A. Michael Noll at Bell Labs. JPEG “JPEG” stands for Joint Photographic