activity
20202026
most citedThe Theoretical Expressiveness of Maxpooling

3 citations · 8 across the 11 of their papers we have counts for

collaborators

12 papers

cs.LG2026

Model soups need only one ingredient

Alireza Abdollahpoorrostam, Nikolaos Dimitriadis, Adam Hazimeh +1

Fine-tuning large pre-trained models on a target distribution often improves in-distribution (ID) accuracy, but at the cost of out-of-distribution (OOD) robustness as representatio…

cs.CL2025

MEMOIR: Lifelong Model Editing with Minimal Overwrite and Informed Retention for LLMs

Ke Wang, Yiming Qin, Nikolaos Dimitriadis +2

Language models deployed in real-world systems often require post-hoc updates to incorporate new or corrected knowledge. However, editing such models efficiently and reliably-witho…

cs.CV2025

Single-Input Multi-Output Model Merging: Leveraging Foundation Models for Dense Multi-Task Learning

Juan Garcia Giraldo, Nikolaos Dimitriadis, Ke Wang +1

Model merging is a flexible and computationally tractable approach to merge single-task checkpoints into a multi-task model. Prior work has solely focused on constrained multi-task…

cs.LG2024★ 1 cited

LiNeS: Post-training Layer Scaling Prevents Forgetting and Enhances Model Merging

Ke Wang, Nikolaos Dimitriadis, Alessandro Favero +3

Fine-tuning pre-trained models has become the standard approach to endow them with specialized knowledge, but it poses fundamental challenges. In particular, \textit{(i)} fine-tuni…

cs.LG2024

Pareto Low-Rank Adapters: Efficient Multi-Task Learning with Preferences

Nikolaos Dimitriadis, Pascal Frossard, Francois Fleuret

Multi-task trade-offs in machine learning can be addressed via Pareto Front Learning (PFL) methods that parameterize the Pareto Front (PF) with a single model. PFL permits to selec…

cs.LG2024

Localizing Task Information for Improved Model Merging and Compression

Ke Wang, Nikolaos Dimitriadis, Guillermo Ortiz-Jimenez +2

Model merging and task arithmetic have emerged as promising scalable approaches to merge multiple single-task checkpoints to one multi-task model, but their applicability is reduce…

cs.LG2023

Flexible Channel Dimensions for Differentiable Architecture Search

Ahmet Caner Yüzügüler, Nikolaos Dimitriadis, Pascal Frossard

Finding optimal channel dimensions (i.e., the number of filters in DNN layers) is essential to design DNNs that perform well under computational resource constraints. Recent work i…

cs.LG2023★ 1 cited

SequeL: A Continual Learning Library in PyTorch and JAX

Nikolaos Dimitriadis, Francois Fleuret, Pascal Frossard

Continual Learning is an important and challenging problem in machine learning, where models must adapt to a continuous stream of new data without forgetting previously acquired kn…

cs.LG2022

Pareto Manifold Learning: Tackling multiple tasks via ensembles of single-task models

Nikolaos Dimitriadis, Pascal Frossard, François Fleuret

In Multi-Task Learning (MTL), tasks may compete and limit the performance achieved on each other, rather than guiding the optimization to a solution, superior to all its single-tas…

cs.LG2022

U-Boost NAS: Utilization-Boosted Differentiable Neural Architecture Search

Ahmet Caner Yüzügüler, Nikolaos Dimitriadis, Pascal Frossard

Optimizing resource utilization in target platforms is key to achieving high performance during DNN inference. While optimizations have been proposed for inference latency, memory…

cs.LG2022★ 3 cited

The Theoretical Expressiveness of Maxpooling

Kyle Matoba, Nikolaos Dimitriadis, François Fleuret

Over the decade since deep neural networks became state of the art image classifiers there has been a tendency towards less use of max pooling: the function that takes the largest…

cs.LG2020★ 3 cited

Advances in the training, pruning and enforcement of shape constraints of Morphological Neural Networks using Tropical Algebra

Nikolaos Dimitriadis, Petros Maragos

In this paper we study an emerging class of neural networks based on the morphological operators of dilation and erosion. We explore these networks mathematically from a tropical g…