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Adversarial Multi-view Networks for Activity Recognition

Talkat UbiComp / ISWC 2020 · 2020-09-12..09-17· [machine-learning]
name:Lei Bai
links:none on file
name:Lina Yao
links:none on file
links:none on file
links:none on file
name:Bin Guo
links:none on file
name:Zhiwen Yu
links:none on file
slides:none on file

Proposes DAMUN: a multi-view CNN extractor that builds temporal, spatial and spatio-temporal representations, fuses them with a trainable Hadamard fusion module, and uses a Siamese adversarial discriminator to remove subject-specific variance. Evaluated with iterative left-one-subject-out on MHEALTH, PAMAP2 and UCIDSADS, the model achieves the best average performance versus baselines, finds the SST+MST+TCS view trio most useful, shows consistent gains from adversarial training, and surfaces a persistent “class collapse” on hard-to-recognize activities.

AI-written summary · about

  1. 0:00Start
  2. 0:53Formulation
  3. 1:25Problems
  4. 2:43Siamese Adversarial
  5. 3:31Datasets
  6. 4:19Overall Comparison
  7. 4:34Findings
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