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
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Thou Soul that art the eternity of thought,
That givest to forms and images a breath
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