VQEG P.1203 Software Tools Page

Video Quality Experts Group's index of ITU-T P.1203/.1/.2 QoE model implementations (video and audio quality modules).

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• ITU-T P.1203 reference implementationOfficial Python reference implementation of the ITU-T P.1203 HTTP adaptive streaming QoE model (modes 0-3), outputting per-second and integ…
• CMCD Spec, Validator & Analyzer (CTA-WAVE)Official CTA-5004 Common Media Client Data spec repo including a CMCDv1 validator library and analyzer tool underlying QoE synthetic-test t…
• psy-ex/metricsPerceptual video metrics toolkit computing SSIMULACRA2, Butteraugli, CVVDP, weighted XPSNR, VMAF NEG, SSIM, and PSNR via helper scripts.
• ssimu2xpsnr_plotterBash tool that encodes x264/x265/SVT-AV1/VVenC across CRF values, measures XPSNR and SSIMULACRA2, and plots rate-distortion curves.
• bdr-ssimu2Python/matplotlib tool computing SSIMULACRA2 BD-rate curves with average and harmonic-mean plots and temporal subsampling.
• butteraugli (Rust port)Pure Rust port of Butteraugli from libjxl with XYB color, visual masking, and multi-scale bands, validated to within 0.001% of the referenc…
• SceneSeg (Local-to-Global Scene Segmentation)CVPR 2020 multimodal movie scene segmentation using place and audio features on the MovieNet dataset; reference ML baseline with code.
• SimpleVQADeep-learning no-reference video quality assessment for user-generated content, in PyTorch with SlowFast feature extraction.
• AutoShotCVPR-NAS 2023 shot boundary detection model with a NAS-optimized architecture and the new SHOT dataset (853 videos, 11,606 annotations).
• AutoSubSyncSubtitle auto-sync GUI wrapping ffsubsync/autosubsync/alass; can sync against a reference subtitle instead of the video.