{"adoption": {"forks": 365, "observed_at": "2026-08-28T04:05:29.740279+00:00", "stars": 1736}, "canonical_url": "https://ross.abutalabs.com/products/pwc-net", "card": {"archived": false, "artifact_type": "library", "description": "PWC-Net: CNNs for Optical Flow Using Pyramid, Warping, and Cost Volume, CVPR 2018 (Oral)", "domain": ["computer-vision", "deep-learning"], "enriched": true, "function": ["computer-vision", "machine-learning", "deep-learning"], "health_score": 20, "homepage": null, "language": "Python", "license": "NOASSERTION", "license_family": "other", "maturity": "maintenance", "member_repos": ["NVlabs/PWC-Net"], "name": "NVlabs/PWC-Net", "platform": ["python"], "pushed_at": "2022-08-22T16:53:14+00:00", "repo": "NVlabs/PWC-Net", "stars": 1736, "tags": ["optical-flow", "pytorch", "caffe", "research-code", "non-commercial-license", "linux"], "topics": ["deeplearning", "optical-flow", "computer-vision", "pytorch", "caffe", "cvpr2018", "pwc-net"], "urls": [], "use_cases": ["estimate optical flow between video frames", "compute dense motion fields for video analysis", "run pretrained optical flow model in pytorch", "reproduce CVPR 2018 optical flow results", "motion estimation for video stabilization"], "what_it_is": "Official NVIDIA implementation of PWC-Net, a CNN for optical flow estimation using pyramid, warping, and cost volume, released with CVPR 2018. Provides Caffe and PyTorch implementations with pretrained models.", "when_to_avoid": ["you need a permissive commercial license (CC BY-NC-SA only)", "you need actively maintained code or modern framework support"], "when_to_choose": ["you need a well-known baseline optical flow model", "you want Caffe or PyTorch pretrained optical flow networks"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/pwc-net", "repo": "NVlabs/PWC-Net", "role": "main", "score": 32}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:29.740279+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:30:40.129992+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0f95ee4ec546988b0b52c175e612521489975ada48abf77588d3d3be24b0f2a5", "fetched_at": "2026-08-28T04:05:29.740279+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NVlabs/PWC-Net"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:29.740279+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:30:40.129992+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0f95ee4ec546988b0b52c175e612521489975ada48abf77588d3d3be24b0f2a5", "fetched_at": "2026-08-28T04:05:29.740279+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NVlabs/PWC-Net"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:30:40.129992+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0f95ee4ec546988b0b52c175e612521489975ada48abf77588d3d3be24b0f2a5", "fetched_at": "2026-08-28T04:05:29.740279+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NVlabs/PWC-Net"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:29.740279+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:29.740279+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:29.740279+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:30:40.129992+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0f95ee4ec546988b0b52c175e612521489975ada48abf77588d3d3be24b0f2a5", "fetched_at": "2026-08-28T04:05:29.740279+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NVlabs/PWC-Net"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:29.740279+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:29.740279+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:30:40.129992+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0f95ee4ec546988b0b52c175e612521489975ada48abf77588d3d3be24b0f2a5", "fetched_at": "2026-08-28T04:05:29.740279+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NVlabs/PWC-Net"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:29.740279+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:29.740279+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:29.740279+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:30:40.129992+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0f95ee4ec546988b0b52c175e612521489975ada48abf77588d3d3be24b0f2a5", "fetched_at": "2026-08-28T04:05:29.740279+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NVlabs/PWC-Net"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:29.740279+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:29.740279+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:30:40.129992+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0f95ee4ec546988b0b52c175e612521489975ada48abf77588d3d3be24b0f2a5", "fetched_at": "2026-08-28T04:05:29.740279+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NVlabs/PWC-Net"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:30:40.129992+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0f95ee4ec546988b0b52c175e612521489975ada48abf77588d3d3be24b0f2a5", "fetched_at": "2026-08-28T04:05:29.740279+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NVlabs/PWC-Net"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:30:40.129992+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0f95ee4ec546988b0b52c175e612521489975ada48abf77588d3d3be24b0f2a5", "fetched_at": "2026-08-28T04:05:29.740279+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NVlabs/PWC-Net"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:30:40.129992+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0f95ee4ec546988b0b52c175e612521489975ada48abf77588d3d3be24b0f2a5", "fetched_at": "2026-08-28T04:05:29.740279+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NVlabs/PWC-Net"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_releases", "no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3003, "days_push": 1472, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 32, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}