README.md

OpenCV DNN extension (zzcvdnn)

zzcvdnn is a C++ library that extend OpenCV DNN module to do keypoint detection, descriptor extraction and matching.

Modules

Feature Detector & Descriptors

• SuperPoint, CVPRW 2018
• DISK, NeurIPS 2020
• SGMNet, ICCV 2021
• LANet, ACCV 2022
• ALIKE, TMM 2022
• ALIKED, ArXiv 2023: Use deformable convolution
• SFD2, CVPR 2023: Use SuperPoint class & NN Matcher
• silk, ArXiv 2023: Fused BN and Conv
• DeDoDe 🎶, 3DV 2024
• Steerers, arXiv 2023: Based on DeDoDe
• XFeat, CVPR 2024: Fused Linear and BN

Semi-Dense

• Patch2Pix, CVPR 2021
• LoFTR, CVPR 2021: Use gim weights
• SE2-LoFTR, CVPRW 2022: Use e2cnn
• ASpanFormer, ECCV 2022
• MatchFormer, ACCV 2022
• TopicFM, AAAI 2023
• TopicFM+, arXiv 2023
• AdaMatcher, CVPR 2023
• Efficient LoFTR, CVPR 2024
• SAM-Net, ESWA 2023

Dense

• DenseMatching
• RoRD, IROS 2021
• DKM, CVPR 2023: Use torch.linalg.inv
• Roma&TinyRoma, CVPR 2024: Use torch.linalg.inv

Matching

• NearestNeighborMatcher
• DualSoftMaxMatcher
• SuperGlue, CVPR 2020
• LightGlue, ICCV 2023
• GlueStick, ICCV 2023
• OmniGlue, CVPR 2024

Framework

• glue-factory
• gim, ICLR 2024

References

• https://github.com/Vincentqyw/image-matching-webui
• https://github.com/Vincentqyw/LineSegmentsDetection
• https://github.com/gmberton/image-matching-models
• https://github.com/3DOM-FBK/deep-image-matching
• https://github.com/ericzzj1989/Awesome-Image-Matching
• https://github.com/chicleee/Image-Matching-Paper-List

Blog

• https://vincentqin.tech/posts/superglue/
• https://iago-suarez.com/gluestick/

Classes

%%{init: {'theme':'forest'}}%%
mindmap
  root((zzcvdnn))
    FeatureExtractor
      (ALike)
      (ALiked)
      (DeDoDe)
      (DISK)
      (LANet)
      (SiLK)
      (SuperPoint)
        (SuperPointDino)
        (SPWireframe)
        (SFD2)
      (XFeat)
    GlueMatcher
      (SuperGlue)
      (LightGlue)
      (OmniGlue)
    GlueStick
    FusedMatcher
      (OnnxFusedMatcher)
        {{LoFTR}}
          {{SE2-LoFTR}}
          {{ELoFTR}}
        {{ASpanFormer}}
        {{MatchFormer}}
        {{SAM-Net}}
      (RoMatcher)
        {{DKM}}
        {{RoMa}}
          {{Tiny-RoMa}}
    DescriptorsMatcher
      (NearestNeighborMatcher)
      (DualSoftMaxMatcher)
      (RotationSteerersMatcher)

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Examples

Images