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Natural language can offer a concise and human-interpretable means of specifying reinforcement learning (RL) tasks. The ability to extract rewards from a language instruction can enable the development of robotic systems that can learn from…

机器学习 · 计算机科学 2025-12-15 Alexey Zakharov , Shimon Whiteson

As powerful pre-trained vision-language models (VLMs) like CLIP gain prominence, numerous studies have attempted to combine VLMs for downstream tasks. Among these, prompt learning has been validated as an effective method for adapting to…

计算机视觉与模式识别 · 计算机科学 2024-09-19 Yu Du , Tong Niu , Rong Zhao

Contrastive Language-Image Pre-training (CLIP) has drawn increasing attention recently for its transferable visual representation learning. However, due to the semantic gap within datasets, CLIP's pre-trained image-text alignment becomes…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Longtian Qiu , Renrui Zhang , Ziyu Guo , Ziyao Zeng , Zilu Guo , Yafeng Li , Guangnan Zhang

Structured road understanding of lane geometry, topology, and traffic element relationships is foundational to safe autonomous driving. While vision-language models (VLMs) offer promising semantic flexibility, they lack the geometric and…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Lena Wild , Katie Z Luo , Marco Pavone

The large-scale visual-language pre-trained model, Contrastive Language-Image Pre-training (CLIP), has significantly improved image captioning for scenarios without human-annotated image-caption pairs. Recent advanced CLIP-based image…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Jiarui Yu , Haoran Li , Yanbin Hao , Bin Zhu , Tong Xu , Xiangnan He

Asking questions about visual environments is a crucial way for intelligent agents to understand rich multi-faceted scenes, raising the importance of Visual Question Generation (VQG) systems. Apart from being grounded to the image, existing…

计算机视觉与模式识别 · 计算机科学 2024-02-21 Li Mi , Syrielle Montariol , Javiera Castillo-Navarro , Xianjie Dai , Antoine Bosselut , Devis Tuia

CLIP (Contrastive Language-Image Pre-training) uses contrastive learning from noise image-text pairs to excel at recognizing a wide array of candidates, yet its focus on broad associations hinders the precision in distinguishing subtle…

计算机视觉与模式识别 · 计算机科学 2026-05-18 Ziyu Liu , Zeyi Sun , Yuhang Zang , Wei Li , Pan Zhang , Xiaoyi Dong , Yuanjun Xiong , Dahua Lin , Jiaqi Wang

As the real propagation environment becomes in creasingly complex and dynamic, millimeter wave beam prediction faces huge challenges. However, the powerful cross modal representation capability of vision-language model (VLM) provides a…

信号处理 · 电气工程与系统科学 2025-08-18 Ji Wang , Bin Tang , Jian Xiao , Qimei Cui , Xingwang Li , Tony Q. S. Quek

Reinforcement Learning (RL) has been used to finetune Large Language Models (LLMs) using a reward model trained from preference data, to better align with human judgment. The recently introduced direct alignment methods, which are often…

Contrastive language-image pre-training (CLIP) is a powerful vision-language model that has shown great benefits for various tasks. However, we have identified some issues with its explainability, which undermine its credibility and limit…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Yi Li , Hualiang Wang , Yiqun Duan , Jiheng Zhang , Xiaomeng Li

Visual Grounding (VG) aims to locate the most relevant region in an image, based on a flexible natural language query but not a pre-defined label, thus it can be a more useful technique than object detection in practice. Most…

计算机视觉与模式识别 · 计算机科学 2019-03-19 Chaorui Deng , Qi Wu , Guanghui Xu , Zhuliang Yu , Yanwu Xu , Kui Jia , Mingkui Tan

Real-scene image super-resolution aims to restore real-world low-resolution images into their high-quality versions. A typical RealSR framework usually includes the optimization of multiple criteria which are designed for different image…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Yukai Shi , Hao Li , Sen Zhang , Zhijing Yang , Xiao Wang

In recent years, reinforcement learning (RL)-based methods for learning driving policies have gained increasing attention in the autonomous driving community and have achieved remarkable progress in various driving scenarios. However,…

机器人学 · 计算机科学 2024-12-23 Zilin Huang , Zihao Sheng , Yansong Qu , Junwei You , Sikai Chen

Prompt ensembling of Large Language Model (LLM) generated category-specific prompts has emerged as an effective method to enhance zero-shot recognition ability of Vision-Language Models (VLMs). To obtain these category-specific prompts, the…

计算机视觉与模式识别 · 计算机科学 2024-08-08 M. Jehanzeb Mirza , Leonid Karlinsky , Wei Lin , Sivan Doveh , Jakub Micorek , Mateusz Kozinski , Hilde Kuehne , Horst Possegger

Concept activation vector (CAV) has attracted broad research interest in explainable AI, by elegantly attributing model predictions to specific concepts. However, the training of CAV often necessitates a large number of high-quality images,…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Qihan Huang , Jie Song , Mengqi Xue , Haofei Zhang , Bingde Hu , Huiqiong Wang , Hao Jiang , Xingen Wang , Mingli Song

Existing prompt-tuning methods have demonstrated impressive performances in continual learning (CL), by selecting and updating relevant prompts in the vision-transformer models. On the contrary, this paper aims to learn each task by tuning…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Yue Lu , Shizhou Zhang , De Cheng , Yinghui Xing , Nannan Wang , Peng Wang , Yanning Zhang

Standard attribution heatmaps show where a vision-language model (VLM) focuses, but they do not reveal whether the recovered evidence is organized by the queried spatial relation or merely reflects image layout. To address this problem, we…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Kaizhen Tan , Yang Feng , Heqing Du

Language models can use verifiable rewards to improve at a wide variety of reasoning tasks. However, both parametric (e.g. RLVR) and non-parametric (e.g. prompt optimization) approaches to doing so typically require hundreds of training…

人工智能 · 计算机科学 2026-05-28 Linas Nasvytis , Simon Jerome Han , Ben Prystawski , Satchel Grant , Noah D. Goodman , Judith E. Fan

In recent years, multimodal large language models (MLLMs) have made significant strides by training on vast high-quality image-text datasets, enabling them to generally understand images well. However, the inherent difficulty in explicitly…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Yuanze Lin , Yunsheng Li , Dongdong Chen , Weijian Xu , Ronald Clark , Philip Torr , Lu Yuan

Language-Guided Robotic Manipulation (LGRM) is a challenging task as it requires a robot to understand human instructions to manipulate everyday objects. Recent approaches in LGRM rely on pre-trained Visual Grounding (VG) models to detect…

机器人学 · 计算机科学 2023-07-13 Junghyun Kim , Gi-Cheon Kang , Jaein Kim , Suyeon Shin , Byoung-Tak Zhang