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SHAP-Based Interpretable Object Detection Method for Satellite Imagery
| Content Provider | MDPI |
|---|---|
| Author | Kawauchi, Hiroki Fuse, Takashi |
| Copyright Year | 2022 |
| Description | There is a growing need for algorithms to automatically detect objects in satellite images. Object detection algorithms using deep learning have demonstrated a significant improvement in object detection performance. However, deep-learning models have difficulty in interpreting the features for inference. This difficulty is practically problematic when analyzing earth-observation images, which are often used as evidence for public decision-making. In addition, for the same reason, it is difficult to set an explicit policy or criteria to improve the models. To deal with these challenges, we introduce a feature attribution method that defines an approximate model and calculates the attribution of input features to the output of a deep-learning model. For the object detection models of satellite images with complex textures, we propose a method to visualize the basis of inference using pixel-wise feature attribution. Furthermore, we propose new methods for model evaluation, regularization, and data selection, based on feature attribution. Experimental results demonstrate the feasibility of the proposed methods for basis visualization and model evaluation. Moreover, the results illustrate that the model using the proposed regularization method can avoid over-fitting and achieve higher performance, and the proposed data selection method allows for the efficient selection of new training data. |
| Starting Page | 1970 |
| e-ISSN | 20724292 |
| DOI | 10.3390/rs14091970 |
| Journal | Remote Sensing |
| Issue Number | 9 |
| Volume Number | 14 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-04-19 |
| Access Restriction | Open |
| Subject Keyword | Remote Sensing Imaging Science Object Detection Satellite Imagery Feature Attribution Deep Learning Xai Interpretability Explainability Shap Value Active Learning Vehicle Detection |
| Content Type | Text |
| Resource Type | Article |
