| Goal | Command / Tool | Example | |------|----------------|---------| | | ffprobe -v error -show_format -show_streams MIDV‑354.mp4 | – | | Generate key‑frame thumbnails | ffmpeg -i MIDV‑354.mp4 -vf "select='eq(pict_type\,I)'" -vsync vfr -frame_pts true key_%04d.jpg | – | | Detect objects | yolo detect --model yolov8n.pt --source key_*.jpg --conf 0.25 --save-txt | Outputs *.txt per frame | | OCR on frames | tesseract frame_001.png out -l eng | – | | Audio transcription | whisper MIDV‑354.mp4 --model medium --language en --output_format txt | – | | Speaker diarization | pyannote-audio diarization MIDV‑354.wav | – | | Music / sound classification | essentia_extractor -i MIDV‑354.wav -o features.json | – | | Checksum | sha256sum MIDV‑354.mp4 | – | | Metadata dump | exiftool MIDV‑354.mp4 | – | | Scene change detection | scenedetect -i MIDV‑354.mp4 detect-content list-scenes | – | | Export annotated frames (COCO) | Custom Python script using pycocotools + detection boxes | – |
| Audience | Why It’s Valuable | |----------|-------------------| | | Provides a solid foundation with step‑by‑step instructions. | | Intermediate Users | Offers deeper insights and shortcuts to improve efficiency. | | Professionals/Decision‑Makers | Highlights ROI, cost‑benefit, and strategic implications. | | Educators/Trainers | A ready‑made visual aid for classroom or workshop settings. | MIDV-354.mp4
Depending on the context, the video might serve one of these purposes: | Goal | Command / Tool | Example