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Specificity-preserving RGB-D Saliency Detection

Authors: Tao Zhou, Huazhu Fu, Geng Chen, Yi Zhou, Deng-Ping Fan, and Ling Shao.

1. Preface

  • This repository provides code for "Specificity-preserving RGB-D Saliency Detection" ICCV-2021. Arxiv Page

2. Overview

2.1. Introduction

RGB-D saliency detection has attracted increasing attention, due to its effectiveness and the fact that depth cues can now be conveniently captured. Existing works often focus on learning a shared representation through various fusion strategies, with few methods explicitly considering how to preserve modality-specific characteristics. In this paper, taking a new perspective, we propose a specificitypreserving network (SP-Net) for RGB-D saliency detection, which benefits saliency detection performance by exploring both the shared information and modality-specific properties (e.g., specificity). Specifically, two modality-specific networks and a shared learning network are adopted to generate individual and shared saliency maps. A crossenhanced integration module (CIM) is proposed to fuse cross-modal features in the shared learning network, which are then propagated to the next layer for integrating cross-level information. Besides, we propose a multi-modal feature aggregation (MFA) module to integrate the modality-specific features from each individual decoder into the shared decoder, which can provide rich complementary multi-modal information to boost the saliency detection performance. Further, a skip connection is used to combine hierarchical features between the encoder and decoder layers. Experiments on six benchmark datasets demonstrate that our SP-Net outperforms other state-of-the-art methods.

2.2. Framework Overview


Figure 1: The overall architecture of the proposed SP-Net.

2.3. Quantitative Results


2.4. Qualitative Results


Figure 2: Visual comparisons of our method and eight state-of-the-art methods.

3. Proposed Baseline

3.1. Training/Testing

The training and testing experiments are conducted using PyTorch with one NVIDIA Tesla V100 GPU with 32 GB memory.

  1. Configuring your environment (Prerequisites):

    • Installing necessary packages: pip install -r requirements.txt.
  2. Downloading necessary data:

  3. Train Configuration:

    • After you download training dataset, just run train.py to train our model.
  4. Test Configuration:

    • After you download all the pre-trained model and testing dataset, just run test_produce_maps.py to generate the final prediction map, then run test_evaluation_maps.py to obtain the final quantitative results.

    • You can also download predicted saliency maps (download link (Google Drive)) and move it into ./Predict_maps/, then then run test_evaluation_maps.py.

3.2 Evaluating your trained model:

Our evaluation is implemented by python, please refer to test_evaluation_maps.py

4. Citation

Please cite our paper if you find the work useful, thanks!

@inproceedings{zhouiccv2021,
	title={Specificity-preserving RGB-D Saliency Detection},
	author={Zhou, Tao and Fu, Huazhu and Chen, Geng and Zhou, Yi and Fan, Deng-Ping and Shao, Ling},
	booktitle={International Conference on Computer Vision (ICCV)},
	year={2021},
}

@inproceedings{zhoucvmj2022,
	title={Specificity-preserving RGB-D Saliency Detection},
	author={Zhou, Tao and Fan, Deng-Ping and Chen, Geng and Zhou, Yi and Fu, Huazhu},
	booktitle={Computational Visual Media},
	year={2022},
}

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spnet's Issues

Performance on LFSD

@taozh2017 Thanks for your code.
I find the performance of SPNet is relatively poor when evaluated on LFSD.
image
i am not sure whether the evalutaion results is correct or not. Have you evaluted the model on LFSD?

Different backbone

have you tried building SPNet based on ResNet-50? How much performance improvement does the Res2Net-50 bring?

Performance on DUT

Have you evaluted the model on DUT-RGBD? I have used the code test_performance_maps.py and the model 'SPNet_best.pth' you provided to predicet the salient maps. However, the results is different from you gived in the paper, including the NJUD. Is there anything wrong?
I hope for your reply! Thanks!

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