{"adoption": {"forks": 167, "observed_at": "2026-08-28T04:06:16.615653+00:00", "stars": 2122}, "canonical_url": "https://ross.abutalabs.com/products/pi3", "card": {"archived": false, "artifact_type": "library", "description": "[ICLR 2026] π^3: Permutation-Equivariant Visual Geometry Learning", "domain": ["computer-vision", "deep-learning", "machine-learning", "graphics", "artificial-intelligence"], "enriched": true, "function": ["machine-learning", "deep-learning", "computer-vision", "image-processing", "graphics", "simulation"], "health_score": 74, "homepage": "https://yyfz.github.io/pi3/", "language": "Python", "license": "BSD-3-Clause", "license_family": "permissive", "maturity": "active", "member_repos": ["yyfz/Pi3"], "name": "yyfz/Pi3", "platform": ["python", "cross-platform"], "pushed_at": "2026-07-03T13:17:10+00:00", "repo": "yyfz/Pi3", "stars": 2122, "tags": ["3d-reconstruction", "visual-geometry", "point-cloud", "camera-pose-estimation", "depth-estimation", "feed-forward-network", "permutation-equivariant", "structure-from-motion", "research-code", "iclr-2026", "gpu", "linux"], "topics": [], "urls": [], "use_cases": ["reconstruct 3d point clouds from photos", "estimate camera poses from a video", "predict depth maps from images without a reference view", "recover visual geometry from in-the-wild videos", "run 3d reconstruction inference on gpu", "train a visual geometry model", "evaluate multi-view geometry reconstruction models"], "what_it_is": "Pi3 (π³) is a feed-forward neural network for visual geometry reconstruction that eliminates the need for a fixed reference view, using a permutation-equivariant architecture to achieve state-of-the-art results. It reconstructs point clouds, camera poses, and depth from images or videos, with an upgraded Pi3X model supporting conditional injection and approximate metric scale.", "when_to_avoid": ["you need real-time reconstruction on CPU or edge devices", "you need a lightweight classical SfM/SLAM pipeline like COLMAP", "you cannot run GPU inference", "you need production-supported software with long-term maintenance guarantees"], "when_to_choose": ["you need feed-forward 3d reconstruction from multiple images or video without fixed reference view", "you want state-of-the-art point cloud, camera pose, and depth prediction in one model", "you need conditional injection of camera pose, intrinsics, or depth (Pi3X)", "you want a research-grade model with training, evaluation, and demo code available"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/pi3", "repo": "yyfz/Pi3", "role": "main", "score": 59}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:06:16.615653+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T02:52:52.354140+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7498f8f2245170924ad183e0810bc47450cac29f32d1e6428c32029980cc355", "fetched_at": "2026-08-28T04:06:16.615653+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yyfz/Pi3"}, {"content_hash": "5f77c59fd48bb5dd3a60166e1d6101bed8d124a4e86ad34d376175047a97854e", "fetched_at": "2026-08-29T10:32:49.950144+00:00", "kind": "homepage", "missing": false, "url": "https://yyfz.github.io/pi3/"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:06:16.615653+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T02:52:52.354140+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7498f8f2245170924ad183e0810bc47450cac29f32d1e6428c32029980cc355", "fetched_at": "2026-08-28T04:06:16.615653+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yyfz/Pi3"}, {"content_hash": "5f77c59fd48bb5dd3a60166e1d6101bed8d124a4e86ad34d376175047a97854e", "fetched_at": "2026-08-29T10:32:49.950144+00:00", "kind": "homepage", "missing": false, "url": "https://yyfz.github.io/pi3/"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T02:52:52.354140+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7498f8f2245170924ad183e0810bc47450cac29f32d1e6428c32029980cc355", "fetched_at": "2026-08-28T04:06:16.615653+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yyfz/Pi3"}, {"content_hash": "5f77c59fd48bb5dd3a60166e1d6101bed8d124a4e86ad34d376175047a97854e", "fetched_at": "2026-08-29T10:32:49.950144+00:00", "kind": "homepage", "missing": false, "url": "https://yyfz.github.io/pi3/"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:06:16.615653+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:06:16.615653+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:06:16.615653+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T02:52:52.354140+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7498f8f2245170924ad183e0810bc47450cac29f32d1e6428c32029980cc355", "fetched_at": "2026-08-28T04:06:16.615653+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yyfz/Pi3"}, {"content_hash": "5f77c59fd48bb5dd3a60166e1d6101bed8d124a4e86ad34d376175047a97854e", "fetched_at": "2026-08-29T10:32:49.950144+00:00", "kind": "homepage", "missing": false, "url": "https://yyfz.github.io/pi3/"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:06:16.615653+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:06:16.615653+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T02:52:52.354140+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7498f8f2245170924ad183e0810bc47450cac29f32d1e6428c32029980cc355", "fetched_at": "2026-08-28T04:06:16.615653+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yyfz/Pi3"}, {"content_hash": "5f77c59fd48bb5dd3a60166e1d6101bed8d124a4e86ad34d376175047a97854e", "fetched_at": "2026-08-29T10:32:49.950144+00:00", "kind": "homepage", "missing": false, "url": "https://yyfz.github.io/pi3/"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:06:16.615653+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:06:16.615653+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:06:16.615653+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T02:52:52.354140+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7498f8f2245170924ad183e0810bc47450cac29f32d1e6428c32029980cc355", "fetched_at": "2026-08-28T04:06:16.615653+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yyfz/Pi3"}, {"content_hash": "5f77c59fd48bb5dd3a60166e1d6101bed8d124a4e86ad34d376175047a97854e", "fetched_at": "2026-08-29T10:32:49.950144+00:00", "kind": "homepage", "missing": false, "url": "https://yyfz.github.io/pi3/"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:06:16.615653+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:06:16.615653+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T02:52:52.354140+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7498f8f2245170924ad183e0810bc47450cac29f32d1e6428c32029980cc355", "fetched_at": "2026-08-28T04:06:16.615653+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yyfz/Pi3"}, {"content_hash": "5f77c59fd48bb5dd3a60166e1d6101bed8d124a4e86ad34d376175047a97854e", "fetched_at": "2026-08-29T10:32:49.950144+00:00", "kind": "homepage", "missing": false, "url": "https://yyfz.github.io/pi3/"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T02:52:52.354140+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7498f8f2245170924ad183e0810bc47450cac29f32d1e6428c32029980cc355", "fetched_at": "2026-08-28T04:06:16.615653+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yyfz/Pi3"}, {"content_hash": "5f77c59fd48bb5dd3a60166e1d6101bed8d124a4e86ad34d376175047a97854e", "fetched_at": "2026-08-29T10:32:49.950144+00:00", "kind": "homepage", "missing": false, "url": "https://yyfz.github.io/pi3/"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T02:52:52.354140+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7498f8f2245170924ad183e0810bc47450cac29f32d1e6428c32029980cc355", "fetched_at": "2026-08-28T04:06:16.615653+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yyfz/Pi3"}, {"content_hash": "5f77c59fd48bb5dd3a60166e1d6101bed8d124a4e86ad34d376175047a97854e", "fetched_at": "2026-08-29T10:32:49.950144+00:00", "kind": "homepage", "missing": false, "url": "https://yyfz.github.io/pi3/"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T02:52:52.354140+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7498f8f2245170924ad183e0810bc47450cac29f32d1e6428c32029980cc355", "fetched_at": "2026-08-28T04:06:16.615653+00:00", "kind": "readme", "missing": false, "url": "https://github.com/yyfz/Pi3"}, {"content_hash": "5f77c59fd48bb5dd3a60166e1d6101bed8d124a4e86ad34d376175047a97854e", "fetched_at": "2026-08-29T10:32:49.950144+00:00", "kind": "homepage", "missing": false, "url": "https://yyfz.github.io/pi3/"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 90, "longevity": 29, "rhythm": 35}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 413, "days_push": 61, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 59, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}