TopoAct: Visually Exploring the Shape of Activations in Deep Learning

dc.contributor.authorRathore, Architen_US
dc.contributor.authorChalapathi, Nithinen_US
dc.contributor.authorPalande, Sourabhen_US
dc.contributor.authorWang, Beien_US
dc.contributor.editorBenes, Bedrich and Hauser, Helwigen_US
dc.date.accessioned2021-02-27T19:02:32Z
dc.date.available2021-02-27T19:02:32Z
dc.date.issued2021
dc.description.abstractDeep neural networks such as GoogLeNet, ResNet, and BERT have achieved impressive performance in tasks such as image and text classification. To understand how such performance is achieved, we probe a trained deep neural network by studying neuron activations, i.e.combinations of neuron firings, at various layers of the network in response to a particular input. With a large number of inputs, we aim to obtain a global view of what neurons detect by studying their activations. In particular, we develop visualizations that show the shape of the activation space, the organizational principle behind neuron activations, and the relationships of these activations within a layer. Applying tools from topological data analysis, we present , a visual exploration system to study topological summaries of activation vectors. We present exploration scenarios using that provide valuable insights into learned representations of neural networks. We expect to give a topological perspective that enriches the current toolbox of neural network analysis, and to provide a basis for network architecture diagnosis and data anomaly detection.en_US
dc.description.number1
dc.description.sectionheadersArticles
dc.description.seriesinformationComputer Graphics Forum
dc.description.volume40
dc.identifier.doi10.1111/cgf.14195
dc.identifier.issn1467-8659
dc.identifier.pages382-397
dc.identifier.urihttps://doi.org/10.1111/cgf.14195
dc.identifier.urihttps://diglib.eg.org:443/handle/10.1111/cgf14195
dc.publisher© 2021 Eurographics ‐ The European Association for Computer Graphics and John Wiley & Sons Ltden_US
dc.subjecttopological
dc.subjectdata analysis
dc.subjectvisualization toolkits
dc.titleTopoAct: Visually Exploring the Shape of Activations in Deep Learningen_US
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