Wednesday 26 March 2025
Artificial Intelligence (AI) has revolutionized various industries, but its impact on visual instruction tuning is particularly noteworthy. Visual Instruction Tuning (VIT) enhances multimodal language models by integrating vision and language capabilities. However, VIT datasets often contain corrupted data, which can degrade model performance.
Researchers have been exploring ways to mitigate the effects of corrupted data. One approach is to refine dataset quality through high-quality data collection or rule-based filtering. While these methods are effective, they can be costly and limited to specific types of corruption.
A new study proposes a different strategy: understanding how corrupted data affects multimodal language models (MLLMs) and developing techniques to overcome its impact. The researchers found that while corrupted data degrades model performance, it also improves the model’s ability to distinguish clean samples from corrupted ones.
The study used several noise-robust loss functions, including Generalized Cross-Entropy (GCE), Phuber CE, and others. These functions aim to reduce the effect of corrupted data by modifying the way errors are calculated. The researchers also experimented with different sample selection methods, such as MentorNet, Co-teaching, JoCoR, and others.
These techniques were tested on several large-scale visual instruction datasets, including Qwen-2.5-0.5B, Qwen-2.5-3B, and Qwen-2.5-7B. The results showed that the proposed methods can significantly improve model performance, even when the data is heavily corrupted.
One of the most promising approaches was to use a combination of noise-robust loss functions and sample selection methods. This approach not only improved model performance but also reduced the effect of corrupted data.
The researchers also explored post-training techniques, where they fine-tuned the models on small subsets of clean data after initial training on corrupted data. The results showed that this approach can further improve model performance and robustness to corrupted data.
This study highlights the importance of understanding how corrupted data affects AI models and developing techniques to overcome its impact. By improving the resilience of VIT datasets, researchers can create more accurate and reliable AI systems that can be applied in various fields, from healthcare to finance.
The findings of this study have significant implications for the development of multimodal language models and their applications in various industries. As AI continues to evolve, it is essential to address the challenges posed by corrupted data and develop robust techniques to overcome them.
Cite this article: “Mitigating the Impact of Corrupted Data on Multimodal Language Models”, The Science Archive, 2025.
Artificial Intelligence, Visual Instruction Tuning, Multimodal Language Models, Corrupted Data, Noise-Robust Loss Functions, Sample Selection Methods, Model Performance, Robustness, Fine-Tuning, Post-Training Techniques







