2017
DOI: 10.1109/tip.2017.2736419
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Partial Membership Latent Dirichlet Allocation for Soft Image Segmentation

Abstract: Topic models [e.g., probabilistic latent semantic analysis, latent Dirichlet allocation (LDA), and supervised LDA] have been widely used for segmenting imagery. However, these models are confined to crisp segmentation, forcing a visual word (i.e., an image patch) to belong to one and only one topic. Yet, there are many images in which some regions cannot be assigned a crisp categorical label (e.g., transition regions between a foggy sky and the ground or between sand and water at a beach). In these cases, a vi… Show more

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Cited by 39 publications
(19 citation statements)
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“…As for content analysis, we analyzed the hierarchical clustering of major research disciplines in the interventions and visualized it in a Dendrogram. Thematic analysis was performed using the Latent Dirichlet Allocation (LDA) technique, which supports classified papers in ten major themes/topics [18,[28][29][30][31]. Titles and abstracts of papers in every topic/theme were then reviewed by two researchers.…”
Section: Discussionmentioning
confidence: 99%
“…As for content analysis, we analyzed the hierarchical clustering of major research disciplines in the interventions and visualized it in a Dendrogram. Thematic analysis was performed using the Latent Dirichlet Allocation (LDA) technique, which supports classified papers in ten major themes/topics [18,[28][29][30][31]. Titles and abstracts of papers in every topic/theme were then reviewed by two researchers.…”
Section: Discussionmentioning
confidence: 99%
“…Jaccard's similarity index. Latent Dirichlet Allocation (LDA) was used for classifying papers into corresponding topics [8][9][10][11][12]. Principal component analysis (PCA) was used to create the keyword map as the technique is able to reduce the number of variables, and thus, cluster them into more manageable groups [13].…”
Section: Discussionmentioning
confidence: 99%
“…A network graph showing the cooccurrence of authors' keywords was generated by the VOSviewer software tool (https://www.vosviewer.com/ ). The Latent Dirichlet Allocation (LDA), a generative statistical model, was used for classifying publications into topics [26][27][28][29][30]. The LDA approach was selected because of its ability to group and explain trends and patterns in text content.…”
Section: Discussionmentioning
confidence: 99%