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Understanding Image Retrieval Re-Ranking: A Graph Neural Network Perspective

[Paper]

On the Market-1501 dataset, we accelerate the re-ranking processing from 89.2s to 9.4ms with one K40m GPU, facilitating the real-time post-processing. Similarly, we observe that our method achieves comparable or even better retrieval results on the other four image retrieval benchmarks, i.e., VeRi-776, Oxford-5k, Paris-6k and University-1652, with limited time cost.

Prerequisites

The code was mainly developed and tested with python 3.7, PyTorch 1.4.1, CUDA 10.2, and CentOS release 6.10.

The code has been included in /extension. To compile it:

cd extension
sh make.sh

Demo

The demo script evaluate_rerank_gpu.py provides the gnn re-ranking method using the prepared feature.

python evaluate_rerank_gpu.py --data_path PATH_TO_DATA --k1 26 --k2 7

Citation

@article{zhang2020understanding,
  title={Understanding Image Retrieval Re-Ranking: A Graph Neural Network Perspective},
  author={Xuanmeng Zhang, Minyue Jiang, Zhedong Zheng, Xiao Tan, Errui Ding, Yi Yang},
  journal={arXiv preprint arXiv:2012.07620},
  year={2020}
}