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Chroma subsampling

Chroma subsampling or color subsampling is the practice of encoding images by implementing less resolution for chroma information than for luma information, taking advantage of the human visual system's lower acuity for color differences than for luminance.

History, Types of sampling and subsampling & Rationale

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Types of sampling and subsampling

HDCAM SRHD-SDIAVC-Intra 50Digital BetacamBetacam SX
50 related topics

Rationale

Y'CbCrR'G'B'Human vision systemHueColorfulness
9 related topics

History

Alda BedfordRCAGeorges Valensi
3 related topics

Artifacts

EOTFAVIFBilinearRec. 2020Gamut
6 related topics

Topics to explore

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Overview

Rationale

Sampling systems and ratios

Types of sampling and subsampling

Artifacts

Terminology

History

Advanced semantic analysis

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Map overview Semantic statistics

Chroma subsampling

Nodes89
Edges88
Triples44
Avg. degree1.98
Density0.022472
Components1

How this topic connects Entity context

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Chroma subsampling

Top relations

related to 4:1:1 · 14
Chroma subsampling → Cb, Cr, DV, DV-based, However, I/Q, In, Initially, MHz, NTSC, Nyquist, Thus, TV, VHS/Betamax VCRs
related to Gamut clipping · 11
Chroma subsampling → Another, As, Chroma, Glenn Chan, Improving, It, Kornelski's, Other, Similar, Suppose, The
related to 4:4:4 · 8
Chroma subsampling → Each, Formats, HD-SDI, HDCAM SR, JPEG R'G'B, R'G'B, This, Y'CbCr
related to history · 8
Chroma subsampling → Alda Bedford, Chroma, Georges Valensi, NTSC, RCA, This, Through, YIQ
related to Artifacts · 1
Chroma subsampling → Chroma

Important terminology Word statistics

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Important terminology

chroma luma color subsampling used cb luminance sampling resolution cr video encoding image horizontal digital bandwidth components also y'cbcr interlaced

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
HDCAM SR can record 4instance ofFormats0.80text
CCIR System Minstance ofsimilar to how a different amount of bandwidth is allocated to the two chroma values in broadcast systems0.80text
Chroma subsamplingrelated to 4:1:1In0.60section
Chroma subsamplingrelated to 4:1:1Initially0.60section
Chroma subsamplingrelated to 4:1:1DV0.60section
Chroma subsamplingrelated to 4:1:1However0.60section
Chroma subsamplingrelated to 4:1:1DV-based0.60section
Chroma subsamplingrelated to 4:1:1NTSC0.60section
Chroma subsamplingrelated to 4:1:1MHz0.60section
Chroma subsamplingrelated to 4:1:1Cr0.60section
Chroma subsamplingrelated to 4:1:1Cb0.60section
Chroma subsamplingrelated to 4:1:1Nyquist0.60section

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    Min side: 3
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