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Source code for "Open Cross-Domain Visual Search" (CVIU, 2020).

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This is the source code for reproducing the experiments from the paper:

Open Cross-Domain Visual Search
William Thong, Pascal Mettes, Cees G.M. Snoek
Computer Vision and Image Understanding (CVIU), vol.200, 2020

TL;DR We search for seen and unseen categories from any source domain to any target domain. To achieve this, we train domain-specific prototype-learner with a normalized temperature-scaled cross entropy loss to map inputs to a common semantic space.

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We validate the proposed approach on three well-established sketch-based tasks in a closed setting (a). We propose three novel open cross-domain tasks to search for categories from and within any number of domains (b-d).

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Closed cross-domain experiments

1. Zero-shot sketch-based image retrieval

Dataset To download the TU-Berlin and Sketchy datasets, check this repository.

Training Run runs/closed-train-sbir.sh. This will train one model for sketches and one model for images, for both datasets and for both normal zero-shot and generalized zero-shot settings.

Evaluation Run runs/closed-eval-sbir.sh. This will perform sketch-based image retrieval in both zero-shot and generalized zero-shot settings and measure the mAP@all and prec@100 metrics.

2. Few-shot sketch-based image classification

Dataset Similar to the previous section, check this repository for downloading the Sketchy dataset.

Training Run runs/closed-train-sbic.sh. This will train one model for sketches and one model for images.

Evaluation Run runs/closed-eval-sbic.sh. This will perform few-shot sketch-based image classification and measure the accuracy over 500 different runs.

3. Many-shot sketch-based 3D shape retrieval

Dataset To prepare the SHREC13, SHREC14 and Part-SHREC14 datasets, check this repository.

Training Run runs/closed-train-sb3dr.sh. This will train one model for sketches and one model for 2D projections of 3D shapes, for all three datasets.

Evaluation Run runs/closed-eval-sb3dr.sh. This will perform sketch-based 3D shape retrieval and measure the NN, FT, ST, E, DGC and mAP metrics.

Open cross-domain experiments

Dataset To prepare the DomainNet dataset, check this repository.

Training Run runs/open-train.sh. This will train one model for every domain in DomainNet, for zero-shot and many-shot settings (totalling 12 models).

Features extraction Run runs/open-eval.sh. This will extract the features for every domain in both zero-shot and many-shot settings.

1. From any source to any target domains

Run runs/open-eval.sh. This will produce 36 cross-domain retrieval experiments and measure the mAP@all, for each setting.

2. From many source to any target domains

Run runs/open-eval.sh. This will combine several source domains to improve their initial mAP@all.

3. From any source to many target domains

Run runs/open-eval.sh. This will produce a search within multiple domains and measure the intent-aware mAP@100.

Requirements

The code was initially implemented with python 2.7 and pytorch 0.3.1. I'll to migrate the source code to python 3.6 and pytorch 1.+ later. In the meantime, here is the configuration I used:

matplotlib=2.2.2
numpy=1.15.4
pandas=0.24.2
python=2.7.16
pytorch=0.3.1=py27_cuda8.0.61_cudnn7.1.2_3
faiss-gpu=1.5.3
torchvision=0.2.0=py27hfb27419_1
opencv=3.3.1
pretrainedmodels=0.7.4

Citation

If you find these scripts useful, please consider citing our paper:

@article{
    Thong2020OpenSearch,
    title={Open Cross-Domain Visual Search},
    author={Thong, William and Mettes, Pascal and Snoek, Cees G.M.},
    journal={CVIU},
    year={2020},
    url={https://doi.org/10.1016/j.cviu.2020.103045}
}

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Source code for "Open Cross-Domain Visual Search" (CVIU, 2020).

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