Efficient neural feature detector and descriptor
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This is a Tensorflow implementation of "SuperPoint: Self-Supervised Interest Point Detection and Description." Daniel DeTone, Tomasz Malisiewicz, Andrew Rabinovich. ArXiv 2018.

hp-v_200 hp-v_235 hp-v_280

HPatches repeatability results

Repeatability on HPatches computed with 300 points detected in common between pairs of images and with a NMS of 4:

Illumination changes Viewpoint changes
SuperPoint (our implementation) 0.661 0.409
SuperPoint (pretrained model of MagicLeap) 0.641 0.379
FAST 0.577 0.415
Harris 0.630 0.474
Shi 0.583 0.407

NOTE: this work is still in progress. Although we match the results of the original paper for illumination changes, more experiments are required to 1) improve the robustness to viewpoint changes, and 2) train the descriptor. We provide a temporary Tensorflow SavedModel of MagicPoint in superpoint/saved_models/.


make install  # install the Python requirements and setup the paths

Python 3.6.1 is required. You will be asked to provide a path to an experiment directory (containing the training and prediction outputs, referred as $EXPER_DIR) and a dataset directory (referred as $DATA_DIR). Create them wherever you wish and make sure to provide their absolute paths.

MS-COCO 2014 and HPatches should be downloaded into $DATA_DIR. The Synthetic Shapes dataset will also be generated there. The folder structure should look like:

|-- COCO
|   |-- train2014
|   |   |-- file1.jpg
|   |   `-- ...
|   `-- val2014
|       |-- file1.jpg
|       `-- ...
`-- HPatches
|   |-- i_ajuntament
|   `-- ...
`-- synthetic_shapes  # will be automatically created


All commands should be executed within the superpoint/ subfolder. When training a model or exporting its predictions, you will often have to change the relevant configuration file in superpoint/configs/. Both multi-GPU training and export are supported.

1) Training MagicPoint on Synthetic Shapes

python experiment.py train configs/magic-point_shapes.yaml magic-point_synth

where magic-point_synth is the experiment name, which may be changed to anything. The training can be interrupted at any time using Ctrl+C and the weights will be saved in $EXPER_DIR/magic-point_synth/. The Tensorboard summaries are also dumped there. When training for the first time, the Synthetic Shapes dataset will be generated.

2) Exporting detections on MS-COCO

python export_detections.py configs/magic-point_coco_export.yaml magic-point_synth --pred_only --batch_size=5 --export_name=magic-point_coco-export1

This will save the pseudo-ground truth interest point labels to $EXPER_DIR/outputs/magic-point_coco-export1/. You might enable or disable the Homographic Adaptation in the configuration file.

3) Training MagicPoint on MS-COCO

python experiment.py train configs/magic-point_coco_train.yaml magic-point_coco

You will need to indicate the paths to the interest point labels in magic-point_coco_train.yaml by setting the entry data/labels, for example to outputs/magic-point_coco-export1. You might repeat steps 2) and 3) several times.

4) Evaluating the repeatability on HPatches

python export_detections_repeatability.py configs/magic-point_repeatability.yaml magic-point_coco --export_name=magic-point_hpatches-repeatability-v

You will need to decide whether you want to evaluate for viewpoint or illumination by setting the entry data/alteration in the configuration file. The predictions of the image pairs will be saved in $EXPER_DIR/outputs/magic-point_hpatches-repeatability-v/. To proceed to the evaluation, head over to notebooks/detector_repeatability_coco.ipynb. You can also evaluate the repeatbility of the classical detectors using the configuration file classical-detectors_repeatability.yaml.

5) Validation on MS-COCO

It is also possible to evaluate the repeatability on a validation split of COCO. You will first need to generate warped image pairs using generate_coco_patches.py.


This implementation was developed by Rémi Pautrat and Paul-Edouard Sarlin. Please contact Rémi for any enquiry.