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20232026
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cs.CV2026

Representation Trajectories Matters: Complementary Evidence for OOD Detection and Image Classification

Ignacio M. De la Jara, Cristian Rodriguez-Opazo, Hamed Damirchi +2

Vision models do not form a representation at once; each block revises it. We ask whether the resulting computation path contains evidence that the final representation discards, a…

cs.CV2026

Vertical Fusion: Condensing Internal Representations for Robust ViT Classification

Francesco Di Salvo, Shyam Nandan Rai, Hamed Damirchi +4

Despite exposing rich intermediate representations, Vision Transformers (ViTs) are almost exclusively utilized as black-box feature extractors, where only the last layer is conside…

cs.CV2024

Synergy and Diversity in CLIP: Enhancing Performance Through Adaptive Backbone Ensembling

Cristian Rodriguez-Opazo, Ehsan Abbasnejad, Damien Teney +3

Contrastive Language-Image Pretraining (CLIP) stands out as a prominent method for image representation learning. Various architectures, from vision transformers (ViTs) to convolut…

cs.CV2023

Unveiling Backbone Effects in CLIP: Exploring Representational Synergies and Variances

Cristian Rodriguez-Opazo, Edison Marrese-Taylor, Ehsan Abbasnejad +4

Contrastive Language-Image Pretraining (CLIP) stands out as a prominent method for image representation learning. Various neural architectures, spanning Transformer-based models li…

cs.CV2023

Zero-shot Retrieval: Augmenting Pre-trained Models with Search Engines

Hamed Damirchi, Cristian Rodríguez-Opazo, Ehsan Abbasnejad +4

Large pre-trained models can dramatically reduce the amount of task-specific data required to solve a problem, but they often fail to capture domain-specific nuances out of the box…

cs.CV2023

Independent Modular Networks

Hamed Damirchi, Forest Agostinelli, Pooyan Jamshidi

Monolithic neural networks that make use of a single set of weights to learn useful representations for downstream tasks explicitly dismiss the compositional nature of data generat…