๐’๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐งไธจYOLO Object Detection & Tracking by Liu Chang๐’๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐งไธจYOLO Object Detection & Tracking by Liu Chang

๐’๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐งไธจYOLO Object Detection & Tracking

Liu Chang

Liu Chang

๐•๐ข๐๐ž๐จ ๐“๐ซ๐š๐œ๐ค๐ข๐ง๐ : Road, low-light and aerial footage. Anonymous IDs and real CSV outputs. Media credits included.
Computer Vision Engineer | Detection, Tracking & Data Export
๐Œ๐จ๐ญ๐ข๐ฏ๐š๐ญ๐ข๐จ๐ง & ๐‚๐ก๐š๐ฅ๐ฅ๐ž๐ง๐ ๐ž: Turn varied images and videos into usable object and motion data. I leveraged YOLO-based and open-vocabulary detectors across 10 representative scene categories, then adapted prompts and outputs to each use case.
๐‘๐ž๐ฌ๐ฎ๐ฅ๐ญ๐ฌ & ๐ƒ๐ž๐ฅ๐ข๐ฏ๐ž๐ซ๐š๐›๐ฅ๐ž๐ฌ: Robustly annotated traffic videos with anonymous IDs, domain-specific detection examples, and timestamped CSV/JSON exports.
๐’๐ฉ๐จ๐ซ๐ญ๐ฌ & ๐๐ž๐จ๐ฉ๐ฅ๐ž: Player, ball and people detection. Faces blurred. Image examples; no team recognition or player tracking.
๐’๐ฉ๐จ๐ซ๐ญ๐ฌ & ๐๐ž๐จ๐ฉ๐ฅ๐ž: Player, ball and people detection. Faces blurred. Image examples; no team recognition or player tracking.
๐€๐ง๐ข๐ฆ๐š๐ฅ๐ฌ: Horse and pasture scenes from saved YOLO predictions. Reviewable boxes; no race-speed or livestock-count accuracy claim.
๐€๐ง๐ข๐ฆ๐š๐ฅ๐ฌ: Horse and pasture scenes from saved YOLO predictions. Reviewable boxes; no race-speed or livestock-count accuracy claim.
๐๐ซ๐จ๐๐ฎ๐œ๐ญ๐ฌ & ๐ˆ๐ง๐๐ฎ๐ฌ๐ญ๐ซ๐ฒ: Shelf proposals, crate/pallet and object localization. Human review required; no verified SKU counts.
๐๐ซ๐จ๐๐ฎ๐œ๐ญ๐ฌ & ๐ˆ๐ง๐๐ฎ๐ฌ๐ญ๐ซ๐ฒ: Shelf proposals, crate/pallet and object localization. Human review required; no verified SKU counts.
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Posted Sep 16, 2026

Robustly annotated traffic videos with anonymous IDs, domain-specific detection examples, and timestamped CSV/JSON exports.