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Christoph Meinel

4 accepted papers

2025

Image Token Matters: Mitigating Hallucination in Discrete Tokenizer-based Large Vision-Language Models via Latent Editing

NeurIPS 2025poster

Large Vision-Language Models (LVLMs) with discrete image tokenizers unify multimodal representations by encoding visual inputs into a finite set of tokens. Despite their effectiveness, we find that these models still hallucinate non-existent objects. We hypothesize that one reason is due to visual p…

Cited by 0SourceScholar
2024

Enhancing Optimization Robustness in 1-bit Neural Networks through Stochastic Sign Descent

ECCV 2024poster

"Binary Neural Networks (BNNs) offer a promising avenue toward achieving efficient deep-learning models but are hindered by the inherent challenge of aligning noisy floating-point gradients with binary parameters. To address this, we introduce Diode, a groundbreaking optimizer designed explicitly fo…

2020

Mark-Evaluate: Assessing Language Generation using Population Estimation Methods

COLING 2020main

We propose a family of metrics to assess language generation derived from population estimation methods widely used in ecology. More specifically, we use mark-recapture and maximum-likelihood methods that have been applied over the past several decades to estimate the size of closed populations in t…