Enter The Digital Era
Floyd and Steinberg described a system for performing error diffusion on digital images based on a simple kernel:
where "" denotes a pixel in the current row which has already been processed (hence diffusing error to it would be pointless), and "#" denotes the pixel currently being processed.
Nearly concurrently, J F Jarvis, C N Judice, and W H Ninke of Bell Labs disclosed a similar method which they termed "minimized average error," using a larger kernel:
Read more about this topic: Error Diffusion
Famous quotes containing the words enter the, enter and/or era:
“Capt. Rev. Samuel Clayton: What good did that do ya?
Ethan Edwards: By what you preach none. By what that Comanch believes, ain’t got no eyes he can’t enter the spirit land. Has to wander forever between the winds.”
—Frank S. Nugent (1908–1965)
“Aunt,
how can I tell him,
with my heart about to burst?
Like an image on a mirror,
my pain will not enter him.”
—Hla Stavhana (c. 50 A.D.)
“The great pagan world of which Egypt and Greece were the last living terms ... once had a vast and perhaps perfect science of its own, a science in terms of life. In our era this science crumbled into magic and charlatanry. But even wisdom crumbles.”
—D.H. (David Herbert)