{"adoption": {"forks": 461, "observed_at": "2026-08-28T04:05:48.797679+00:00", "stars": 1883}, "canonical_url": "https://ross.abutalabs.com/products/cam", "card": {"archived": false, "artifact_type": "library", "description": "Class Activation Mapping", "domain": ["deep-learning", "computer-vision", "image-processing", "machine-learning"], "enriched": true, "function": ["machine-learning", "computer-vision", "image-processing", "data-visualization"], "health_score": 20, "homepage": "http://cnnlocalization.csail.mit.edu/", "language": "MATLAB", "license": "MIT", "license_family": "permissive", "maturity": "maintenance", "member_repos": ["zhoubolei/CAM"], "name": "zhoubolei/CAM", "platform": ["python", "cross-platform"], "pushed_at": "2022-09-13T14:02:02+00:00", "repo": "zhoubolei/CAM", "stars": 1883, "tags": ["class-activation-mapping", "cnn-visualization", "saliency-maps", "weakly-supervised-localization", "cvpr-2016", "pytorch", "caffe", "matlab"], "topics": [], "urls": [], "use_cases": ["visualize what regions of an image a CNN focuses on for its prediction", "generate class activation heatmaps from pretrained ResNet or DenseNet in PyTorch", "extract weakly-supervised object bounding boxes from image-level labels", "interpret and debug CNN classification decisions", "reproduce the CVPR'16 CAM paper experiments on ImageNet and Places"], "what_it_is": "Reference implementation of Class Activation Mapping (CAM), a CVPR'16 technique that visualizes which image regions a CNN attends to when predicting a class. It includes MATLAB/Caffe demo code with pre-trained GoogLeNet, VGG16, and AlexNet models plus a PyTorch script for generating heatmaps from modern networks.", "when_to_avoid": ["you need modern explainability methods like Grad-CAM with finer localization", "your project requires actively maintained tooling or recent framework support", "you work outside Python/PyTorch or MATLAB/Caffe ecosystems"], "when_to_choose": ["you need the original CAM method for research reproduction or citation", "you want heatmap visualization without modifying network architecture using GAP-based models", "you need pre-trained CAM models for Caffe on ImageNet or Places"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/cam", "repo": "zhoubolei/CAM", "role": "main", "score": 32}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:48.797679+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:13:44.084626+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e54316ef222cf16750684859ad31c17f8926954f8d98f1cf3a172e0dee1f0236", "fetched_at": "2026-08-28T04:05:48.797679+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zhoubolei/CAM"}, {"content_hash": "819f3154190ccbb9ffe1c1f8ebb71cb43ca1a0279dd381101a469f36f91c8d9a", "fetched_at": "2026-08-29T10:52:58.556048+00:00", "kind": "homepage", "missing": false, "url": "http://cnnlocalization.csail.mit.edu/"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:48.797679+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:13:44.084626+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e54316ef222cf16750684859ad31c17f8926954f8d98f1cf3a172e0dee1f0236", "fetched_at": "2026-08-28T04:05:48.797679+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zhoubolei/CAM"}, {"content_hash": "819f3154190ccbb9ffe1c1f8ebb71cb43ca1a0279dd381101a469f36f91c8d9a", "fetched_at": "2026-08-29T10:52:58.556048+00:00", "kind": "homepage", "missing": false, "url": "http://cnnlocalization.csail.mit.edu/"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:13:44.084626+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e54316ef222cf16750684859ad31c17f8926954f8d98f1cf3a172e0dee1f0236", "fetched_at": "2026-08-28T04:05:48.797679+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zhoubolei/CAM"}, {"content_hash": "819f3154190ccbb9ffe1c1f8ebb71cb43ca1a0279dd381101a469f36f91c8d9a", "fetched_at": "2026-08-29T10:52:58.556048+00:00", "kind": "homepage", "missing": false, "url": "http://cnnlocalization.csail.mit.edu/"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:48.797679+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:48.797679+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:48.797679+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:13:44.084626+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e54316ef222cf16750684859ad31c17f8926954f8d98f1cf3a172e0dee1f0236", "fetched_at": "2026-08-28T04:05:48.797679+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zhoubolei/CAM"}, {"content_hash": "819f3154190ccbb9ffe1c1f8ebb71cb43ca1a0279dd381101a469f36f91c8d9a", "fetched_at": "2026-08-29T10:52:58.556048+00:00", "kind": "homepage", "missing": false, "url": "http://cnnlocalization.csail.mit.edu/"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:48.797679+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:48.797679+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:13:44.084626+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e54316ef222cf16750684859ad31c17f8926954f8d98f1cf3a172e0dee1f0236", "fetched_at": "2026-08-28T04:05:48.797679+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zhoubolei/CAM"}, {"content_hash": "819f3154190ccbb9ffe1c1f8ebb71cb43ca1a0279dd381101a469f36f91c8d9a", "fetched_at": "2026-08-29T10:52:58.556048+00:00", "kind": "homepage", "missing": false, "url": "http://cnnlocalization.csail.mit.edu/"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:48.797679+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:48.797679+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:48.797679+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:13:44.084626+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e54316ef222cf16750684859ad31c17f8926954f8d98f1cf3a172e0dee1f0236", "fetched_at": "2026-08-28T04:05:48.797679+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zhoubolei/CAM"}, {"content_hash": "819f3154190ccbb9ffe1c1f8ebb71cb43ca1a0279dd381101a469f36f91c8d9a", "fetched_at": "2026-08-29T10:52:58.556048+00:00", "kind": "homepage", "missing": false, "url": "http://cnnlocalization.csail.mit.edu/"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:48.797679+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:48.797679+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:13:44.084626+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e54316ef222cf16750684859ad31c17f8926954f8d98f1cf3a172e0dee1f0236", "fetched_at": "2026-08-28T04:05:48.797679+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zhoubolei/CAM"}, {"content_hash": "819f3154190ccbb9ffe1c1f8ebb71cb43ca1a0279dd381101a469f36f91c8d9a", "fetched_at": "2026-08-29T10:52:58.556048+00:00", "kind": "homepage", "missing": false, "url": "http://cnnlocalization.csail.mit.edu/"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:13:44.084626+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e54316ef222cf16750684859ad31c17f8926954f8d98f1cf3a172e0dee1f0236", "fetched_at": "2026-08-28T04:05:48.797679+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zhoubolei/CAM"}, {"content_hash": "819f3154190ccbb9ffe1c1f8ebb71cb43ca1a0279dd381101a469f36f91c8d9a", "fetched_at": "2026-08-29T10:52:58.556048+00:00", "kind": "homepage", "missing": false, "url": "http://cnnlocalization.csail.mit.edu/"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:13:44.084626+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e54316ef222cf16750684859ad31c17f8926954f8d98f1cf3a172e0dee1f0236", "fetched_at": "2026-08-28T04:05:48.797679+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zhoubolei/CAM"}, {"content_hash": "819f3154190ccbb9ffe1c1f8ebb71cb43ca1a0279dd381101a469f36f91c8d9a", "fetched_at": "2026-08-29T10:52:58.556048+00:00", "kind": "homepage", "missing": false, "url": "http://cnnlocalization.csail.mit.edu/"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:13:44.084626+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e54316ef222cf16750684859ad31c17f8926954f8d98f1cf3a172e0dee1f0236", "fetched_at": "2026-08-28T04:05:48.797679+00:00", "kind": "readme", "missing": false, "url": "https://github.com/zhoubolei/CAM"}, {"content_hash": "819f3154190ccbb9ffe1c1f8ebb71cb43ca1a0279dd381101a469f36f91c8d9a", "fetched_at": "2026-08-29T10:52:58.556048+00:00", "kind": "homepage", "missing": false, "url": "http://cnnlocalization.csail.mit.edu/"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3796, "days_push": 1450, "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}}