activity
20232026
most citedRobust CLIP: Unsupervised Adversarial Fine-Tuning of Vision Embeddings for Robust Large Vision-Language Models

6 citations · 11 across the 6 of their papers we have counts for

collaborators

7 papers

cs.CV2026

Visual Memory Injection Attacks for Multi-Turn Conversations

Christian Schlarmann, Matthias Hein

Generative large vision-language models (LVLMs) have recently achieved impressive performance gains, and their user base is growing rapidly. However, the security of LVLMs, in part…

eess.IV2025

Mind the Detail: Uncovering Clinically Relevant Image Details in Accelerated MRI with Semantically Diverse Reconstructions

Jan Nikolas Morshuis, Christian Schlarmann, Thomas Küstner +2

In recent years, accelerated MRI reconstruction based on deep learning has led to significant improvements in image quality with impressive results for high acceleration factors. H…

cs.LG2025

Robustness in Both Domains: CLIP Needs a Robust Text Encoder

Elias Abad Rocamora, Christian Schlarmann, Naman Deep Singh +3

Adversarial input attacks can cause a significant shift of CLIP embeddings. This can affect the downstream robustness of models incorporating CLIP in the pipeline, such as text-to-…

cs.CV2025

FuseLIP: Multimodal Embeddings via Early Fusion of Discrete Tokens

Christian Schlarmann, Francesco Croce, Nicolas Flammarion +1

Contrastive language-image pre-training aligns features of text-image pairs in a common latent space via distinct encoders for each modality. While this approach achieves impressiv…

cs.CV2025

Adversarially Robust CLIP Models Can Induce Better (Robust) Perceptual Metrics

Francesco Croce, Christian Schlarmann, Naman Deep Singh +1

Measuring perceptual similarity is a key tool in computer vision. In recent years perceptual metrics based on features extracted from neural networks with large and diverse trainin…

cs.LG2024★ 6 cited

Robust CLIP: Unsupervised Adversarial Fine-Tuning of Vision Embeddings for Robust Large Vision-Language Models

Christian Schlarmann, Naman Deep Singh, Francesco Croce +1

Multi-modal foundation models like OpenFlamingo, LLaVA, and GPT-4 are increasingly used for various real-world tasks. Prior work has shown that these models are highly vulnerable t…

cs.LG2023★ 5 cited

On the Adversarial Robustness of Multi-Modal Foundation Models

Christian Schlarmann, Matthias Hein

Multi-modal foundation models combining vision and language models such as Flamingo or GPT-4 have recently gained enormous interest. Alignment of foundation models is used to preve…