Images
When performing block-based coding for quantization, as in JPEG-compressed images, several types of artifacts can appear.
- Ringing
- Contouring
- Posterizing
- Staircase noise (aliasing) along curving edges
- Blockiness in "busy" regions (sometimes called quilting or checkerboarding)
Read more about this topic: Compression Artifact
Famous quotes containing the word images:
“Those images that yet
Fresh images beget,
That dolphin-torn, that gong-tormented sea.”
—William Butler Yeats (1865–1939)
“You may read any quantity of books, and you may almost as ignorant as you were at starting, if you don’t have, at the back of your minds, the change for words in definite images which can only be acquired through the operation of your observing faculties on the phenomena of nature.”
—Thomas Henry Huxley (1825–95)
“I tell it stories now and then
and feed it images like honey.
I will not speculate today
with poems that think they’re money.”
—Anne Sexton (1928–1974)