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Training-Free Open-Vocabulary Segmentation with Offline Diffusion-Augmented Prototype Generation
April 11, 2024, 4:44 a.m. | Luca Barsellotti, Roberto Amoroso, Marcella Cornia, Lorenzo Baraldi, Rita Cucchiara
cs.CV updates on arXiv.org arxiv.org
Abstract: Open-vocabulary semantic segmentation aims at segmenting arbitrary categories expressed in textual form. Previous works have trained over large amounts of image-caption pairs to enforce pixel-level multimodal alignments. However, captions provide global information about the semantics of a given image but lack direct localization of individual concepts. Further, training on large-scale datasets inevitably brings significant computational costs. In this paper, we propose FreeDA, a training-free diffusion-augmented method for open-vocabulary semantic segmentation, which leverages the ability of …
abstract arxiv captions concepts cs.cv diffusion form free global however image information localization multimodal offline pixel segmentation semantic semantics textual training type
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