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Large-scale reinforcement learning with verifiable rewards (RLVR) has demonstrated its effectiveness in harnessing the potential of large language models (LLMs) for single-turn reasoning tasks. In realistic reasoning scenarios, LLMs can…

Vision-language models (VLMs) achieve remarkable performance but remain vulnerable to adversarial attacks. Entropy, as a measure of model uncertainty, is highly correlated with VLM reliability. While prior entropy-based attacks maximize…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Mengqi He , Xinyu Tian , Xin Shen , Jinhong Ni , Shu Zou , Zhaoyuan Yang , Jing Zhang

We present Entropic Mutual-Information Geometry Large-Language Model Alignment (ENIGMA), a novel approach to Large-Language Model (LLM) training that jointly improves reasoning, alignment and robustness by treating an organisation's…

Machine Learning · Computer Science 2025-10-17 Gareth Seneque , Lap-Hang Ho , Nafise Erfanian Saeedi , Jeffrey Molendijk , Ariel Kuperman , Tim Elson

Recent multimodal large language models (MLLMs) have begun to support Thinking with Images by invoking visual tools such as zooming and cropping during inference. Yet these systems remain brittle in fine-grained visual reasoning because…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Zheng Jiang , Yiming Chen , Nan He , Jiahui Chen , Chaoyang Li , Houde Qian , Lifeng Sun

Reinforcement Learning with Verifiable Rewards (RLVR) improves the reasoning ability of Large Language Models (LLMs), but sparse outcome rewards make token-level credit assignment difficult. We study token-level credit as a…

Machine Learning · Computer Science 2026-05-27 Yuhang He , Haodong Wu , Siyi Liu , Hongyu Ge , Hange Zhou , Keyi Wu , Zhuo Zheng , Qihong Lin , Zixin Zhong , Yongqi Zhang

In embodied AI, visual perception should be active rather than passive: the system must decide where to look and at what scale to sense to acquire maximally informative data under pixel and spatial budget constraints. Existing vision models…

Robotics · Computer Science 2026-04-06 Jiashu Yang , Yifan Han , Yucheng Xie , Ning Guo , Wenzhao Lian

Multimodal reasoning models (MRMs) trained with reinforcement learning with verifiable rewards (RLVR) show improved accuracy on visual reasoning benchmarks. However, we observe that accuracy gains often come at the cost of reasoning…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Sai Srinivas Kancheti , Aditya Kanade , Rohit Sinha , Vineeth N Balasubramanian , Tanuja Ganu

Recent advances in Multimodal Large Language Models (MLLMs) have significantly improved performance on tasks such as visual grounding and visual question answering. However, the reasoning processes of these models remain largely opaque;…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Haobo Yuan , Yueyi Sun , Yanwei Li , Tao Zhang , Xueqing Deng , Henghui Ding , Lu Qi , Anran Wang , Xiangtai Li , Ming-Hsuan Yang

Deep learning is increasingly viewed as a dynamical process in parameter space, yet many existing theories still treat training as a closed optimization system. This view is limited for real-world AI, where models operate under uncertainty,…

Machine Learning · Computer Science 2026-05-25 Kim Phuc Tran

The Maximum Entropy Reinforcement Learning (MaxEnt RL) framework is a leading approach for achieving efficient learning and robust performance across many RL tasks. However, MaxEnt methods have also been shown to struggle with…

Machine Learning · Computer Science 2025-06-13 Ruipeng Zhang , Ya-Chien Chang , Sicun Gao

The recent advancement in video temporal grounding (VTG) has significantly enhanced fine-grained video understanding, primarily driven by multimodal large language models (MLLMs). With superior multimodal comprehension and reasoning…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Jianlong Wu , Wei Liu , Ye Liu , Meng Liu , Liqiang Nie , Zhouchen Lin , Chang Wen Chen

We pose an active perception problem where an autonomous agent actively interacts with a second agent with potentially adversarial behaviors. Given the uncertainty in the intent of the other agent, the objective is to collect further…

Artificial Intelligence · Computer Science 2019-09-20 Macheng Shen , Jonathan P How

Current large multimodal models (LMMs) face challenges in grounding, which requires the model to relate language components to visual entities. Contrary to the common practice that fine-tunes LMMs with additional grounding supervision, we…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Shengcao Cao , Liang-Yan Gui , Yu-Xiong Wang

Autonomously performing tasks often requires robots to plan high-level discrete actions and continuous low-level motions to realize them. Previous TAMP algorithms have focused mainly on computational performance, completeness, or optimality…

Robotics · Computer Science 2025-12-15 Andreu Matoses Gimenez , Nils Wilde , Chris Pek , Javier Alonso-Mora

Task planning for robots in real-life settings presents significant challenges. These challenges stem from three primary issues: the difficulty in identifying grounded sequences of steps to achieve a goal; the lack of a standardized mapping…

Traditional Visual Grounding (VG) predominantly relies on textual descriptions to localize objects, a paradigm that inherently struggles with linguistic ambiguity and often ignores non-verbal deictic cues prevalent in real-world…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Ling Li , Bowen Liu , Zinuo Zhan , Peng Jie , Jianhui Zhong , Kenglun Chang , Zhidong Deng

Today's most accurate language models are trained on orders of magnitude more language data than human language learners receive - but with no supervision from other sensory modalities that play a crucial role in human learning. Can we make…

Computation and Language · Computer Science 2024-03-22 Chengxu Zhuang , Evelina Fedorenko , Jacob Andreas

Vision-language models (VLMs) have shown promise in earth observation (EO), yet they struggle with tasks that require grounding complex spatial reasoning in precise pixel-level visual representations. To address this problem, we introduce…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Yan Shu , Bin Ren , Zhitong Xiong , Xiao Xiang Zhu , Begüm Demir , Nicu Sebe , Paolo Rota

Multimodal learning plays a critical role in e-commerce recommendation platforms today, enabling accurate recommendations and product understanding. However, existing vision-language models, such as CLIP, face key challenges in e-commerce…

Information Retrieval · Computer Science 2025-07-24 Ramin Giahi , Kehui Yao , Sriram Kollipara , Kai Zhao , Vahid Mirjalili , Jianpeng Xu , Topojoy Biswas , Evren Korpeoglu , Kannan Achan

We present a conceptual framework for training Vision-Language Models (VLMs) to perform Visual Perspective Taking (VPT), a core capability for embodied cognition essential for Human-Robot Interaction (HRI). As a first step toward this goal,…

Artificial Intelligence · Computer Science 2025-05-21 Joel Currie , Gioele Migno , Enrico Piacenti , Maria Elena Giannaccini , Patric Bach , Davide De Tommaso , Agnieszka Wykowska