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Length generalization is the ability of language models to maintain performance on inputs longer than those seen during pretraining. In this work, we introduce a simple yet powerful position encoding (PE) strategy, Random Float Sampling…

Machine Learning · Computer Science 2026-02-17 Atsushi Shimizu , Shohei Taniguchi , Yutaka Matsuo

Large Language Models (LLMs) often struggle to process and generate coherent context when the number of input tokens exceeds the pre-trained length. Recent advancements in long-context extension have significantly expanded the context…

Computation and Language · Computer Science 2025-04-29 Yi Lu , Wanxu Zhao , Xin Zhou , Chenxin An , Chenglong Wang , Shuo Li , Yuming Yang , Jun Zhao , Tao Ji , Tao Gui , Qi Zhang , Xuanjing Huang

Image-text retrieval has developed rapidly in recent years. However, it is still a challenge in remote sensing due to visual-semantic imbalance, which leads to incorrect matching of non-semantic visual and textual features. To solve this…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Qing Ma , Jiancheng Pan , Cong Bai

There has recently been significant interest in training reinforcement learning (RL) agents in vision-based environments. This poses many challenges, such as high dimensionality and the potential for observational overfitting through…

When addressing the challenge of complex multi-objective optimization problems, particularly those with non-convex and non-uniform Pareto fronts, Decomposition-based Multi-Objective Evolutionary Algorithms (MOEADs) often converge to local…

Neural and Evolutionary Computing · Computer Science 2024-04-15 Ting Dong , Haoxin Wang , Hengxi Zhang , Wenbo Ding

Recent advances in rotation-invariant (RI) learning for 3D point clouds typically replace raw coordinates with handcrafted RI features to ensure robustness under arbitrary rotations. However, these approaches often suffer from the loss of…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Jiaxun Guo , Manar Amayri , Nizar Bouguila , Xin Liu , Wentao Fan

Positional encoding (PE) underpins how permutation-invariant Transformers represent sequence order, yet how positional information is processed and stored remains poorly understood. Modern PE methods such as RoPE still struggle on tasks…

Computation and Language · Computer Science 2026-05-29 Pierre-Antoine Lequeu , Camille Barboule , Benjamin Piwowarski

Bidirectional attention $\unicode{x2013}$ composed of self-attention with positional encodings and the masked language model (MLM) objective $\unicode{x2013}$ has emerged as a key component of modern large language models (LLMs). Despite…

Computation and Language · Computer Science 2023-12-12 Kevin Christian Wibisono , Yixin Wang

Self-Supervised Learning (SSL) has shifted from pixel-level reconstruction to latent space prediction, spearheaded by the Joint Embedding Predictive Architecture (JEPA). While effective, standard JEPA models typically rely on a…

Machine Learning · Computer Science 2026-03-03 Yongchao Huang

Recent advancements in Large Vision-Language Models built upon Large Language Models have established aligning visual features with LLM representations as the dominant paradigm. However, inherited LLM architectural designs introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Shi Liu , Weijie Su , Xizhou Zhu , Wenhai Wang , Jifeng Dai

We introduce Talk2Move, a reinforcement learning (RL) based diffusion framework for text-instructed spatial transformation of objects within scenes. Spatially manipulating objects in a scene through natural language poses a challenge for…

Computer Vision and Pattern Recognition · Computer Science 2026-01-09 Jing Tan , Zhaoyang Zhang , Yantao Shen , Jiarui Cai , Shuo Yang , Jiajun Wu , Wei Xia , Zhuowen Tu , Stefano Soatto

Mutual localization serves as the foundation for collaborative perception and task assignment in multi-robot systems. Effectively utilizing limited onboard sensors for mutual localization between marker-less robots is a worthwhile goal.…

Robotics · Computer Science 2024-05-21 Gaoming Chen , Kun Song , Xiang Xu , Wenhang Liu , Zhenhua Xiong

We present MoE-MLA-RoPE, a novel architecture combination that combines Mixture of Experts (MoE) with Multi-head Latent Attention (MLA) and Rotary Position Embeddings (RoPE) for efficient language modeling. Our approach addresses the…

Artificial Intelligence · Computer Science 2025-08-05 Sushant Mehta , Raj Dandekar , Rajat Dandekar , Sreedath Panat

In recent years, the Transformer architecture has proven to be very successful in sequence processing, but its application to other data structures, such as graphs, has remained limited due to the difficulty of properly defining positions.…

Machine Learning · Computer Science 2021-10-28 Devin Kreuzer , Dominique Beaini , William L. Hamilton , Vincent Létourneau , Prudencio Tossou

Achieving human-like reasoning in deep learning models for complex tasks in unknown environments remains a critical challenge in embodied intelligence. While advanced vision-language models (VLMs) excel in static scene understanding, their…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Jinzhou Tang , Jusheng zhang , Sidi Liu , Waikit Xiu , Qinhan Lv , Xiying Li

Understanding how language and embedding models encode semantic relationships is fundamental to model interpretability. While early word embeddings exhibited intuitive vector arithmetic (''king'' - ''man'' + ''woman'' = ''queen''), modern…

Computation and Language · Computer Science 2026-02-27 Michael Freenor , Lauren Alvarez

Functional data play a pivotal role across science and engineering, yet their infinite-dimensional nature makes representation learning challenging. Conventional statistical models depend on pre-chosen basis expansions or kernels, limiting…

Machine Learning · Computer Science 2025-10-02 Yifei Gao , Yong Chen , Chen Zhang

World models compress rich sensory streams into compact latent codes that anticipate future observations. We let separate agents acquire such models from distinct viewpoints of the same environment without any parameter sharing or…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Haoran Zhang , Youjin Wang , Yi Duan , Rong Fu , Dianyu Zhao , Sicheng Fan , Shuaishuai Cao , Wentao Guo , Xiao Zhou

Category-level object pose estimation aims to determine the pose and size of novel objects in specific categories. Existing correspondence-based approaches typically adopt point-based representations to establish the correspondences between…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Huan Ren , Wenfei Yang , Xiang Liu , Shifeng Zhang , Tianzhu Zhang

Recently, Large language models (LLMs) have revolutionized Natural Language Processing (NLP). Pretrained LLMs, due to limited training context size, struggle with handling long token sequences, limiting their performance on various…

Computation and Language · Computer Science 2024-12-11 Haoran Lian , Junmin Chen , Wei Huang , Yizhe Xiong , Wenping Hu , Guiguang Ding , Hui Chen , Jianwei Niu , Zijia Lin , Fuzheng Zhang , Di Zhang