Model Overview

Mask R-CNN is a convolution based network for object instance segmentation. This implementation provides 1.3x faster training while maintaining target accuracy.

Model Architecture

Mask R-CNN builds on top of FasterRCNN adding an additional mask head for the task of image segmentation.

The architecture consists of following:

R-50 backbone with FPN
RPN head
RoI ALign
Bounding and classification box head
Mask head

Training

This model was trained using script available on NGC and in GitHub repo.

Dataset

The following datasets were used to train this model:

COCO 2017 - Dataset for large-scale object detection, segmentation and captioning.

Performance

Performance numbers for this model are available in NGC.

References

License

This model was trained using open-source software available in Deep Learning Examples repository.\nFor terms of use, please refer to the license of the script and the datasets the model was derived from.

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This implementation provides 1.3x faster training while maintaining target accuracy.\n\n## Model Architecture\n\n \nMask R-CNN builds on top of FasterRCNN adding an additional mask head for the task of image segmentation.\n \nThe architecture consists of following:\n- R-50 backbone with FPN\n- RPN head\n- RoI ALign\n- Bounding and classification box head\n- Mask head\n \n\n \n## Training\n\nThis model was trained using script available on [NGC](https://catalog.ngc.nvidia.com/orgs/nvidia/teams/dle/resources/maskrcnn_pyt) and in [GitHub repo](https://github.com/NVIDIA/DeepLearningExamples/tree/master/PyTorch/Segmentation/MaskRCNN).\n\n## Dataset\n\nThe following datasets were used to train this model:\n- [COCO 2017](https://cocodataset.org/#download) - Dataset for large-scale object detection, segmentation and captioning.\n\n\n## Performance\n\nPerformance numbers for this model are available in [NGC](https://catalog.ngc.nvidia.com/orgs/nvidia/teams/dle/resources/maskrcnn_pyt/performance).\n\n## References\n- [Original paper](https://arxiv.org/abs/1703.06870)\n- [NVIDIA model implementation in NGC](https://catalog.ngc.nvidia.com/orgs/nvidia/teams/dle/resources/maskrcnn_pyt)\n- [NVIDIA model implementation on GitHub](https://github.com/NVIDIA/DeepLearningExamples/tree/master/PyTorch/Segmentation/MaskRCNN)\n\n## License\n\nThis model was trained using open-source software available in [Deep Learning Examples](https://github.com/NVIDIA/DeepLearningExamples/tree/master/PyTorch/Segmentation/MaskRCNN) repository.\nFor terms of use, please refer to the license of the script and the datasets the model was derived from.","displayName","MaskRCNN PyTorch checkpoint (AMP)",["D",1663865787341],"publisher","NVIDIA Deep Learning Examples","latestVersion","collectionCounts","imageUrl","/api/image/nvidia/dle/models/maskrcnn__pyt_ckpt","rawImageUrl","https://assets.nvidiagrid.net/ngc/logos/Deep-Learning-Examples.png","canGuestDownload","latestVersionSizeInBytes","licenseTerms","isMultinodeEnabled","isMultiArchitecture","bias","explainability","privacy","safetyAndSecurity","featureLabels",[],"displayLabels",[],"policyLabels",[],"systemLabels",[],"products",[],"hasNimMetadata",{"_156":1255,"_158":1256},"ngcApps",[1208],"csaApiBaseUrl","https://www.nvidia.com/ai-agents/csa-agent/dcsm","datadogRum",{"_1189":1190,"_1191":1192,"_1193":1194,"_1195":1196,"_1197":286,"_187":312,"_1198":1199,"_1200":59,"_1201":135,"_1202":135,"_1203":1204,"_1205":135,"_1206":1207},"amplitude",{"_1186":1187,"_823":-7,"_1188":34},"disableJs","environment","prod","featureFlagsBlob","JTdCJTIydGVzdEZsYWclMjIlM0FmYWxzZSUyQyUyMnNob3dTZWFyY2hMYWJlbFNldEZpbHRlcnMlMjIlM0FmYWxzZSUyQyUyMmVuYWJsZUNzYVdpZGdldCUyMiUzQWZhbHNlJTJDJTIyZW5hYmxlUHJvZHVjdEdyb3VwaW5nQnlTdWJzY3JpcHRpb24lMjIlM0FmYWxzZSUyQyUyMmNvbnRhaW5lclNjYW5uaW5nUmVkZXNpZ25NMiUyMiUzQWZhbHNlJTdE","featureFlagsGuarded","isDevLikeEnv","isPlaywright","isMobileDevice","categorizedOrgs",{"_1180":1181,"_1182":1183,"_1184":1185},"currentOrgContext","currentContextRoles",[],"enterpriseOrgs",[],"manageableExternalUserGroups",[],"ngcApiOrigin","ngcHelmOrigin","origin","https://catalog.ngc.nvidia.com","usesMocks","theme","year",2026,"now",1789202706964,"1.15.0","defaultSearchSuggestions",{"_1063":218,"_1064":1065,"_1066":1067,"_1068":1069},"announcements",[],"consentState",{"_349":1053,"_1054":135,"_1055":34,"_1056":34,"_1057":1058},"consentConfig",{"_331":332,"_333":334,"_335":336,"_337":338,"_339":340,"_341":342,"_343":344,"_345":346,"_347":348,"_349":350},"showContactAdmin",1789202706965,[],[],[326,327,328,329,330],{"_48":63,"_50":74,"_52":151,"_54":-5,"_56":-5,"_58":59},{"_48":63,"_50":70,"_52":151,"_54":-5,"_56":-5,"_58":59},{"_48":63,"_50":64,"_52":151,"_54":-5,"_56":-5,"_58":59},{"_48":60,"_50":61,"_52":151,"_54":-5,"_56":-5,"_58":59},{"_48":49,"_50":51,"_52":151,"_54":-5,"_56":-5,"_58":59},"mainInfoText","We and our third-party partners (including social media, advertising, and analytics partners) use cookies and other tracking technologies to collect, store, monitor, and process certain information about you when you visit our website. 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users logged in across NVIDIA domains.","api.ngc.nvidia.com","This cookie is managed by AWS and is used for load balancing.","bm_so","This cookie name is used to load the site as quickly as possible and to recognize bots using Akamai.","The __cf_bm cookie is a cookie necessary to support Cloudflare Bot Management, currently in private beta. 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Key	Value
backbone	RN50
dataset	COCO2017

Key	Value
MASK_MAP	0.3403
BBOX_MAP	0.3755

Key	Value
bs	96
training_precision	AMP
dataset	COCO2017
iterations	16667