deblocking

Clearing digital artifacts

Deblocking is the removal of blocky visual artifacts from digital images or video, especially in compressed media where square pixel blocks become visible.

Video codecs and image editing software apply deblocking filters to smooth these distortions: The encoder's deblocking algorithm cleaned up the pixelation.

In other contexts, deblocking can mean removing any kind of obstruction or barrier.

compression

JPEG

Lossy photo compression standard

pixels · quantization · smoothing · post-processing · video compression · H.264 · MPEG · bitrate · boundary · encoding

orthodontics

brackets

Marks setting off text

orthodontist · teeth · wires · bands · adjustment

chemistry

cleavage

Tendency to split cleanly

orthogonal · hydrolysis · nucleophile · catalyst · activation · mechanism · reaction · ester · amide

Opposites
image artifact manipulation

deblockingblocking

Impeding forward progress

artifacting · blockiness · compression · pixelation · quantization

image smoothness vs. sharpness

deblockingsharpening

Making more cutting

edge detection · accentuating · crisping

freeing vs. obstructing

deblockingblocking

Impeding forward progress

obstructing · impeding · constraining · restricting · locking

Family

block, blocking, blockage, blocks, blockade, blockhead, unblocked, blocker, unblock

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