Roberto Amoroso
Roberto Amoroso
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Open-Vocabulary
FreeDA: Training-Free Open-Vocabulary Segmentation with Offline Diffusion-Augmented Prototype Generation
[ CVPR 2024 ]
We present
FreeDA
, a novel training-free diffusion-augmented method for open-vocabulary segmentation, which leverages diffusion models to visually localize generated concepts and local-global similarities to match superpixel-based class-agnostic regions with semantic classes.
Luca Barsellotti
,
Roberto Amoroso
,
Marcella Cornia
,
Lorenzo Baraldi
,
Rita Cucchiara
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Project
FOSSIL: Free Open-Vocabulary Semantic Segmentation through Synthetic References Retrieval
[ WACV 2024 ]
We present
FOSSIL
, a novel Unsupervised Open-Vocabulary Semantic Segmentation model that enables a self-supervised visual backbone to perform open-vocabulary segmentation directly on the visual modality by retrieving a support set of generated synthetic references.
Luca Barsellotti
,
Roberto Amoroso
,
Lorenzo Baraldi
,
Rita Cucchiara
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Enhancing Open-Vocabulary Semantic Segmentation with Prototype Retrieval
[ ICIAP 2023 ]
We propose a novel open-vocabulary semantic segmentation paradigm based on weakly supervised visual prototypes extracted from image-caption pairs and adopt a retrieval-based approach to combine visual and textual features to enhance segmentation performance.
Luca Barsellotti
,
Roberto Amoroso
,
Lorenzo Baraldi
,
Rita Cucchiara
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