{"adoption": {"forks": 78, "observed_at": "2026-08-28T04:05:39.197852+00:00", "stars": 1807}, "canonical_url": "https://ross.abutalabs.com/products/4k4d", "card": {"archived": false, "artifact_type": "library", "description": "[CVPR 2024] 4K4D: Real-Time 4D View Synthesis at 4K Resolution", "domain": ["computer-vision", "graphics", "deep-learning", "machine-learning"], "enriched": true, "function": ["graphics", "machine-learning", "gpu-computing", "image-processing"], "health_score": 20, "homepage": "https://zju3dv.github.io/4k4d/", "language": "Python", "license": "NOASSERTION", "license_family": "other", "maturity": "active", "member_repos": ["zju3dv/4K4D"], "name": "zju3dv/4K4D", "platform": ["python"], "pushed_at": "2024-06-07T06:30:48+00:00", "repo": "zju3dv/4K4D", "stars": 1807, "tags": ["view-synthesis", "neural-rendering", "4d-reconstruction", "volumetric-video", "point-cloud", "cvpr-2024", "real-time-rendering", "cuda-rasterization", "gpu", "linux"], "topics": [], "urls": [], "use_cases": ["render dynamic 3D scenes in real time from multi-camera video", "train a 4D view synthesis model from RGB video captures", "render free-viewpoint volumetric video at 4K resolution", "reconstruct dynamic humans from multi-view camera rigs", "experiment with differentiable point cloud rasterization"], "what_it_is": "4K4D is a research implementation of a 4D point cloud representation for real-time dynamic view synthesis at up to 4K resolution, built on the EasyVolcap volumetric video framework. It renders dynamic 3D scenes at hundreds of FPS using hardware rasterization and includes training and inference code with pretrained models.", "when_to_avoid": ["you need a production-ready application rather than research code", "you lack a high-end NVIDIA GPU", "you need simple single-image or static-scene 3D reconstruction"], "when_to_choose": ["you need real-time free-viewpoint rendering of dynamic scenes at high resolution", "you have multi-view video captures and want to build a volumetric video", "you want a research baseline for dynamic view synthesis"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/4k4d", "repo": "zju3dv/4K4D", "role": "main", "score": 27}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:39.197852+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:21:27.646688+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5585e10cf44ff660940037765188311492bd9fecf5bec75c5c4b68341f2dd088", "fetched_at": "2026-08-28T04:05:39.197852+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zju3dv/4K4D"}, {"content_hash": "1ff01260659d5810ab62ce053bfcf605f477fa92be41ae79237ddd17a9941525", "fetched_at": "2026-08-29T11:00:31.331595+00:00", "kind": "homepage", "missing": false, "url": "https://zju3dv.github.io/4k4d/"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:39.197852+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:21:27.646688+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5585e10cf44ff660940037765188311492bd9fecf5bec75c5c4b68341f2dd088", "fetched_at": "2026-08-28T04:05:39.197852+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zju3dv/4K4D"}, {"content_hash": "1ff01260659d5810ab62ce053bfcf605f477fa92be41ae79237ddd17a9941525", "fetched_at": "2026-08-29T11:00:31.331595+00:00", "kind": "homepage", "missing": false, "url": "https://zju3dv.github.io/4k4d/"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:21:27.646688+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5585e10cf44ff660940037765188311492bd9fecf5bec75c5c4b68341f2dd088", "fetched_at": "2026-08-28T04:05:39.197852+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zju3dv/4K4D"}, {"content_hash": "1ff01260659d5810ab62ce053bfcf605f477fa92be41ae79237ddd17a9941525", "fetched_at": "2026-08-29T11:00:31.331595+00:00", "kind": "homepage", "missing": false, "url": "https://zju3dv.github.io/4k4d/"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:39.197852+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:39.197852+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:39.197852+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:21:27.646688+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5585e10cf44ff660940037765188311492bd9fecf5bec75c5c4b68341f2dd088", "fetched_at": "2026-08-28T04:05:39.197852+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zju3dv/4K4D"}, {"content_hash": "1ff01260659d5810ab62ce053bfcf605f477fa92be41ae79237ddd17a9941525", "fetched_at": "2026-08-29T11:00:31.331595+00:00", "kind": "homepage", "missing": false, "url": "https://zju3dv.github.io/4k4d/"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:39.197852+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:39.197852+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:21:27.646688+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5585e10cf44ff660940037765188311492bd9fecf5bec75c5c4b68341f2dd088", "fetched_at": "2026-08-28T04:05:39.197852+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zju3dv/4K4D"}, {"content_hash": "1ff01260659d5810ab62ce053bfcf605f477fa92be41ae79237ddd17a9941525", "fetched_at": "2026-08-29T11:00:31.331595+00:00", "kind": "homepage", "missing": false, "url": "https://zju3dv.github.io/4k4d/"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:39.197852+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:39.197852+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:39.197852+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:21:27.646688+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5585e10cf44ff660940037765188311492bd9fecf5bec75c5c4b68341f2dd088", "fetched_at": "2026-08-28T04:05:39.197852+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zju3dv/4K4D"}, {"content_hash": "1ff01260659d5810ab62ce053bfcf605f477fa92be41ae79237ddd17a9941525", "fetched_at": "2026-08-29T11:00:31.331595+00:00", "kind": "homepage", "missing": false, "url": "https://zju3dv.github.io/4k4d/"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:39.197852+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:39.197852+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:21:27.646688+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5585e10cf44ff660940037765188311492bd9fecf5bec75c5c4b68341f2dd088", "fetched_at": "2026-08-28T04:05:39.197852+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zju3dv/4K4D"}, {"content_hash": "1ff01260659d5810ab62ce053bfcf605f477fa92be41ae79237ddd17a9941525", "fetched_at": "2026-08-29T11:00:31.331595+00:00", "kind": "homepage", "missing": false, "url": "https://zju3dv.github.io/4k4d/"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:21:27.646688+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5585e10cf44ff660940037765188311492bd9fecf5bec75c5c4b68341f2dd088", "fetched_at": "2026-08-28T04:05:39.197852+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zju3dv/4K4D"}, {"content_hash": "1ff01260659d5810ab62ce053bfcf605f477fa92be41ae79237ddd17a9941525", "fetched_at": "2026-08-29T11:00:31.331595+00:00", "kind": "homepage", "missing": false, "url": "https://zju3dv.github.io/4k4d/"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:21:27.646688+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5585e10cf44ff660940037765188311492bd9fecf5bec75c5c4b68341f2dd088", "fetched_at": "2026-08-28T04:05:39.197852+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zju3dv/4K4D"}, {"content_hash": "1ff01260659d5810ab62ce053bfcf605f477fa92be41ae79237ddd17a9941525", "fetched_at": "2026-08-29T11:00:31.331595+00:00", "kind": "homepage", "missing": false, "url": "https://zju3dv.github.io/4k4d/"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:21:27.646688+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5585e10cf44ff660940037765188311492bd9fecf5bec75c5c4b68341f2dd088", "fetched_at": "2026-08-28T04:05:39.197852+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zju3dv/4K4D"}, {"content_hash": "1ff01260659d5810ab62ce053bfcf605f477fa92be41ae79237ddd17a9941525", "fetched_at": "2026-08-29T11:00:31.331595+00:00", "kind": "homepage", "missing": false, "url": "https://zju3dv.github.io/4k4d/"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 75, "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": 1051, "days_push": 817, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 27, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}