benchmarks.hota.tracker.build_cosine_tracker
def build_cosine_tracker(height: int, width: int, cost_threshold: float = 0.5, embed_dim: int = EMBED_DIM) -> unitrack.TrackerBuild an appearance tracker matching instances by embedding cosine distance.
Matches require ``1 - cosine_similarity <= cost_threshold`` within the same
class. ``height`` / ``width`` are accepted for a uniform factory signature
but unused (appearance matching needs no mask state).
Source: unitrack/benchmarks/hota/tracker.py:159