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Low-Rank Adaptation (LoRA) is a widely adopted parameter-efficient fine-tuning (PEFT) method validated across NLP and CV domains. However, LoRA faces an inherent low-rank bottleneck: narrowing its performance gap with full finetuning…

Machine Learning · Computer Science 2025-12-03 Haonan Dong , Wenhao Zhu , Guojie Song , Liang Wang

Enforcing alignment between the internal representations of diffusion or flow-based generative models and those of pretrained self-supervised encoders has recently been shown to provide a powerful inductive bias, improving both convergence…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Loukas Sfountouris , Giannis Daras , Paris Giampouras

Large Language Models (LLMs) possess latent multi-token prediction (MTP) abilities despite being trained only for next-token generation. We introduce ESP (Embedding-Space Probing), a simple and training-free MTP method that probes an LLM…

Computation and Language · Computer Science 2026-05-29 Raghavv Goel , Mukul Gagrani , Mingu Lee , Chris Lott

Decoder-only language models are stateless: hidden representations are discarded after every forward pass and nothing persists across sessions. Jeong (2026a) showed that trained memory adapters give a frozen encoder-decoder backbone…

Machine Learning · Computer Science 2026-03-25 Hong Jeong

We present Autoregressive Representation Alignment (ARRA), a new training framework that unlocks global-coherent text-to-image generation in autoregressive LLMs without architectural modifications. Different from prior works that require…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Xing Xie , Jiawei Liu , Ziyue Lin , Huijie Fan , Zhi Han , Yandong Tang , Liangqiong Qu

Fine-tuning pre-trained language models (PLMs) has become a dominant paradigm in applying PLMs to downstream tasks. However, with limited fine-tuning, PLMs still struggle with the discrepancies between the representation obtained from the…

Computation and Language · Computer Science 2025-05-30 Fujun Zhang , Xiaoying Fan , XiangDong Su , Guanglai Gao

Dense retrieval calls for discriminative embeddings to represent the semantic relationship between query and document. It may benefit from the using of large language models (LLMs), given LLMs' strong capability on semantic understanding.…

Computation and Language · Computer Science 2025-11-25 Zheng Liu , Chaofan Li , Shitao Xiao , Yingxia Shao , Defu Lian

We study how representation learning can accelerate reinforcement learning from rich observations, such as images, without relying either on domain knowledge or pixel-reconstruction. Our goal is to learn representations that both provide…

Machine Learning · Computer Science 2021-04-08 Amy Zhang , Rowan McAllister , Roberto Calandra , Yarin Gal , Sergey Levine

REPA and its variants effectively mitigate training challenges in diffusion models by incorporating external visual representations from pretrained models, through alignment between the noisy hidden projections of denoising networks and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Ge Wu , Shen Zhang , Ruijing Shi , Shanghua Gao , Zhenyuan Chen , Lei Wang , Zhaowei Chen , Hongcheng Gao , Yao Tang , Jian Yang , Ming-Ming Cheng , Xiang Li

Low-rank adaption (LoRA) is a prominent method that adds a small number of learnable parameters to the frozen pre-trained weights for parameter-efficient fine-tuning. Prompted by the question, ``Can we make its representation enough with…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Injoon Hwang , Haewon Park , Youngwan Lee , Jooyoung Yang , SunJae Maeng

This article explores the adaptive relationship between Encoder Layers and Decoder Layers using the SOTA model Helsinki-NLP/opus-mt-de-en, which translates German to English. The specific method involves introducing a bias-free fully…

Computation and Language · Computer Science 2024-05-15 Yubo Song

Parameter-Efficient Fine-Tuning (PEFT) methods like Low-Rank Adaptation (LoRA) optimize federated training by reducing computational and communication costs. We propose RoLoRA, a federated framework using alternating optimization to…

Machine Learning · Computer Science 2025-11-06 Shuangyi Chen , Yuanxin Guo , Yue Ju , Harik Dalal , Zhongwen Zhu , Ashish Khisti

Predicting satellite imagery requires a balance between structural accuracy and textural detail. Standard deterministic methods like PredRNN or SimVP minimize pixel-based errors but suffer from the "regression to the mean" problem,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Kursat Komurcu , Linas Petkevicius

The development of multimodal models for pulmonary nodule diagnosis is limited by the scarcity of labeled data and the tendency for these models to overfit on the training distribution. In this work, we leverage self-supervised learning…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Thomas Z. Li , Aravind R. Krishnan , Lianrui Zuo , John M. Still , Kim L. Sandler , Fabien Maldonado , Thomas A. Lasko , Bennett A. Landman

With the advent of Joint Embedding Predictive Architectures (JEPAs), which appear to be more capable than reconstruction-based methods, this paper introduces a novel technique for creating world models using continuous-time dynamic systems…

Machine Learning · Computer Science 2025-08-15 Jonas Ulmen , Ganesh Sundaram , Daniel Görges

Multivariate time series underpin modern critical infrastructure, making the prediction of anomalies a vital necessity for proactive risk mitigation. While Joint-Embedding Predictive Architectures (JEPA) offer a promising framework for…

Machine Learning · Computer Science 2026-02-05 Yanan He , Yunshi Wen , Xin Wang , Tengfei Ma

Bidirectional models are considered essential for strong text embeddings. Recent approaches to adapt autoregressive language models (LMs) into strong text embedding models have largely had the requirement to modify the LM architecture to be…

Computation and Language · Computer Science 2025-09-09 Jacob Mitchell Springer , Suhas Kotha , Daniel Fried , Graham Neubig , Aditi Raghunathan

We propose to scale RL to unverifiable data with a novel algorithm JEPO (Jensen's Evidence lower bound Policy Optimization). While most prior efforts on scaling RL for LLMs focus on verifiable data where ground truth answers are typically…

Machine Learning · Computer Science 2025-05-29 Yunhao Tang , Sid Wang , Lovish Madaan , Rémi Munos

Behavioral patterns captured in embeddings learned from interaction data are pivotal across various stages of production recommender systems. However, in the initial retrieval stage, practitioners face an inherent tradeoff between embedding…

Information Retrieval · Computer Science 2026-02-11 Vojtěch Vančura , Martin Spišák , Rodrigo Alves , Ladislav Peška

Many reinforcement learning (RL) tasks provide the agent with high-dimensional observations that can be simplified into low-dimensional continuous states. To formalize this process, we introduce the concept of a DeepMDP, a parameterized…

Machine Learning · Computer Science 2019-06-07 Carles Gelada , Saurabh Kumar , Jacob Buckman , Ofir Nachum , Marc G. Bellemare