Pith Number

pith:KBS6ABQS

pith:2026:KBS6ABQSYC32LRZVC7NY4UNO72

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Evaluating the Effect of Compression on Video Temporal Consistency Using Objective Quality Metrics

Peter Zsoldos

Compression causes non-linear drops in video frame-to-frame consistency, and unpredictable motion creates extra instability beyond what motion amount alone would predict.

arxiv:2605.18378 v1 · 2026-05-18 · eess.IV · cs.MM

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The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Claims

C1strongest claim

Temporal consistency degrades non-linearly with increasing compression, and sequences with unpredictable or irregular dynamics experience disproportionately higher instability than sequences with higher but more predictable motion magnitude.

C2weakest assumption

The chosen objective quality metrics provide a valid proxy for temporal coherence and the tested content types and codecs are representative of broader video compression scenarios.

C3one line summary

The study finds that temporal consistency in compressed video degrades non-linearly with bitrate and identifies a predictability anomaly affecting irregular dynamics more severely than predictable high-motion content.

References

13 extracted · 13 resolved · 1 Pith anchors

[1] Standard-compliant low-pass temporal filter to reduce the perceived flicker artifact 2014

[2] Toward efficient video compression artifact detection and removal: a benchmark dataset 2024

[3] PEA265: Perceptual Assessment of Video Compression Artifacts 1903

[4] Saliency-Aware Spatio-Temporal Ar- tifact Detection for Compressed Video Quality Assess- ment 2023

[5] Spatio-temporal ssim index for video quality assessment 2012

Receipt and verification

First computed	2026-05-20T00:05:57.933723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5065e00612c0b7a5c73517db8e51aefe8700e37e09e68bb1d7e7717e673851d7

Aliases

arxiv: 2605.18378 · arxiv_version: 2605.18378v1 · doi: 10.48550/arxiv.2605.18378 · pith_short_12: KBS6ABQSYC32 · pith_short_16: KBS6ABQSYC32LRZV · pith_short_8: KBS6ABQS

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KBS6ABQSYC32LRZVC7NY4UNO72 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 5065e00612c0b7a5c73517db8e51aefe8700e37e09e68bb1d7e7717e673851d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "456ff418d2c544675d11b418c8b84647477168b09ebd562642aa0d2a6b90da3e",
    "cross_cats_sorted": [
      "cs.MM"
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    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2026-05-18T13:24:36Z",
    "title_canon_sha256": "2f636b682f109f7dbad13660c1aba0cc1afd3d2055fd20983ed459f3f662012c"
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  "source": {
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    "kind": "arxiv",
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}