Katna

pip-installable MIT library for automated keyframe extraction (LUV color-diff), video compression, and smart image cropping.

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Scene Detection Policies and Keyframe Extraction Strategies for Large-Scale Video Analysis2025 paper comparing scene-detection policies and keyframe extraction strategies at scale.
LMSKE — Keyframe Extraction for Video SummarizationLarge-model sequential keyframe extraction pipeline combining TransNetV2 shot segmentation, CLIP features, and adaptive clustering.
video-keyframe-detectorLightweight Python CLI extracting keyframes via peak estimation on frame-difference signal, no ML dependencies.
VidChapters-7M (Vid2Seq)NeurIPS 2023 dataset-and-benchmark project plus Vid2Seq model for automatic video chapter generation at scale.
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.
AutoShotCVPR-NAS 2023 shot boundary detection model with a NAS-optimized architecture and the new SHOT dataset (853 videos, 11,606 annotations).
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…
SimpleVQADeep-learning no-reference video quality assessment for user-generated content, in PyTorch with SlowFast feature extraction.
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…