2021 IEEE International Conference on Image Processing

19-22 September 2021 • Anchorage, Alaska, USA

Imaging Without Borders

2021 IEEE International Conference on Image Processing

19-22 September 2021 • Anchorage, Alaska, USA

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Paper Detail

Paper IDSS-EDNN.2
Paper Title EXPLAINING DEEP MODELS THROUGH FORGETTABLE LEARNING DYNAMICS
Authors Ryan Benkert, Oluwaseun Joseph Aribido, Ghassan AlRegib, Georgia Institute of Technology, United States
SessionSS-EDNN: Special Session: Explainable Deep Neural Networks for Image/Video Processing
LocationArea B
Session Time:Wednesday, 22 September, 14:30 - 16:00
Presentation Time:Wednesday, 22 September, 14:30 - 16:00
Presentation Poster
Topic Special Sessions: Explainable Deep Neural Networks for Image/Video Processing
IEEE Xplore Open Preview  Click here to view in IEEE Xplore
Abstract Even though deep neural networks have shown tremendous success in countless applications, explaining model behaviour or predictions is an open research problem. In this paper, we address this issue by employing a simple yet effective method by analysing the learning dynamics of deep neural networks in semantic segmentation tasks. Specifically, we visualize the learning behaviour during training by tracking how often samples are learned and forgotten in subsequent training epochs. This further allows us to derive important information about the proximity to the class decision boundary and identify regions that pose a particular challenge to the model. Inspired by this phenomenon, we present a novel segmentation method that actively uses this information to alter the data representation within the model by increasing the variety of difficult regions. Finally, we show that our method consistently reduces the amount of regions that are forgotten frequently. We further evaluate our method in light of the segmentation performance.