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Author (up) Estefania Talavera; Carolin Wuerich; Nicolai Petkov; Petia Radeva edit  url
doi  openurl
  Title Topic modelling for routine discovery from egocentric photo-streams Type Journal Article
  Year 2020 Publication Pattern Recognition Abbreviated Journal PR  
  Volume 104 Issue Pages 107330  
  Keywords Routine; Egocentric vision; Lifestyle; Behaviour analysis; Topic modelling  
  Abstract Developing tools to understand and visualize lifestyle is of high interest when addressing the improvement of habits and well-being of people. Routine, defined as the usual things that a person does daily, helps describe the individuals’ lifestyle. With this paper, we are the first ones to address the development of novel tools for automatic discovery of routine days of an individual from his/her egocentric images. In the proposed model, sequences of images are firstly characterized by semantic labels detected by pre-trained CNNs. Then, these features are organized in temporal-semantic documents to later be embedded into a topic models space. Finally, Dynamic-Time-Warping and Spectral-Clustering methods are used for final day routine/non-routine discrimination. Moreover, we introduce a new EgoRoutine-dataset, a collection of 104 egocentric days with more than 100.000 images recorded by 7 users. Results show that routine can be discovered and behavioural patterns can be observed.  
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  Area Expedition Conference  
  Notes MILAB; no proj Approved no  
  Call Number Admin @ si @ TWP2020 Serial 3435  
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