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Prompt tuning of large-scale vision-language models such as CLIP enables efficient task adaptation without updating model weights. However, it often leads to poor confidence calibration and unreliable predictive uncertainty. We address this…

Vision-language models (VLMs) excel in visual understanding but often lack reliable grounding capabilities and actionable inference rates. Integrating them with open-vocabulary object detection (OVD), instance segmentation, and tracking…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Bastian Pätzold , Jan Nogga , Sven Behnke

Current large vision-language models (LVLMs) typically employ a connector module to link visual features with text embeddings of large language models (LLMs) and use end-to-end training to achieve multi-modal understanding in a unified…

Artificial Intelligence · Computer Science 2025-08-14 Zixian Guo , Ming Liu , Qilong Wang , Zhilong Ji , Jinfeng Bai , Lei Zhang , Wangmeng Zuo

Open-vocabulary semantic segmentation aims to assign pixel-level labels to images across an unlimited range of classes. Traditional methods address this by sequentially connecting a powerful mask proposal generator, such as the Segment…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Minhyeok Lee , Suhwan Cho , Jungho Lee , Sunghun Yang , Heeseung Choi , Ig-Jae Kim , Sangyoun Lee

Video-and-language pre-training has shown promising improvements on various downstream tasks. Most previous methods capture cross-modal interactions with a transformer-based multimodal encoder, not fully addressing the misalignment between…

Computer Vision and Pattern Recognition · Computer Science 2021-12-24 Dongxu Li , Junnan Li , Hongdong Li , Juan Carlos Niebles , Steven C. H. Hoi

Vision-language models (VLMs) aligned with general human objectives, such as being harmless and hallucination-free, have become valuable assistants of humans in managing visual tasks. However, people with diversified backgrounds have…

Artificial Intelligence · Computer Science 2025-06-03 Yongqi Li , Shen Zhou , Xiaohu Li , Xin Miao , Jintao Wen , Mayi Xu , Jianhao Chen , Birong Pan , Hankun Kang , Yuanyuan Zhu , Ming Zhong , Tieyun Qian

Large Vision Language Models (LVLMs) have achieved significant progress in integrating visual and textual inputs for multimodal reasoning. However, a recurring challenge is ensuring these models utilize visual information as effectively as…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Estelle Aflalo , Gabriela Ben Melech Stan , Tiep Le , Man Luo , Shachar Rosenman , Sayak Paul , Shao-Yen Tseng , Vasudev Lal

Recently, open-vocabulary image classification by vision language pre-training has demonstrated incredible achievements, that the model can classify arbitrary categories without seeing additional annotated images of that category. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Mengde Xu , Zheng Zhang , Fangyun Wei , Yutong Lin , Yue Cao , Han Hu , Xiang Bai

Vision Language Models (VLMs) have achieved remarkable progress in multimodal tasks, yet they often struggle with visual arithmetic, seemingly simple capabilities like object counting or length comparison, which are essential for relevant…

Artificial Intelligence · Computer Science 2025-05-27 Kung-Hsiang Huang , Can Qin , Haoyi Qiu , Philippe Laban , Shafiq Joty , Caiming Xiong , Chien-Sheng Wu

Large Language Models (LLMs) are increasingly deployed across diverse applications that demand balancing multiple, often conflicting, objectives -- such as helpfulness, harmlessness, or humor. Many traditional methods for aligning outputs…

Machine Learning · Computer Science 2026-02-17 Jeremy Carleton , Debajoy Mukherjee , Srinivas Shakkottai , Dileep Kalathil

Visual grounding is an essential capability of Visual Language Models (VLMs) to understand the real physical world. Previous state-of-the-art grounding visual language models usually have large model sizes, making them heavy for deployment…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Guanqi Zhan , Changye Li , Zhijian Liu , Yao Lu , Yi Wu , Song Han , Ligeng Zhu

Modern neural networks have greatly improved performance across speech recognition benchmarks. However, gains are often driven by frequent words with limited semantic weight, which can obscure meaningful differences in word error rate, the…

Computation and Language · Computer Science 2026-04-21 Lasse Borgholt , Jakob Havtorn , Christian Igel , Lars Maaløe , Zheng-Hua Tan

Current multimodal latent reasoning often relies on external supervision (e.g., auxiliary images), ignoring intrinsic visual attention dynamics. In this work, we identify a critical Perception Gap in distillation: student models frequently…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Linquan Wu , Tianxiang Jiang , Yifei Dong , Haoyu Yang , Fengji Zhang , Shichaang Meng , Ai Xuan , Linqi Song , Jacky Keung

In-context learning (ICL) allows large models to adapt to tasks using a few examples, yet its extension to vision-language models (VLMs) remains fragile. Our analysis reveals that the fundamental limitation lies in an inductive gap, models…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Haoyu Wang , Haonan Wang , Yuyan Chen , Jun Chen , Gang Liu , Qian Wang , Jiahong Yan , Yanghua Xiao

Achieving robot transparency is a critical step toward effective human-robot collaboration. To be transparent, a robot's natural language communication must be consistent with its actions and explicitly grounded in the task and environment.…

Robotics · Computer Science 2026-04-08 Theodor Wulff , Federico Tavella , Rahul Singh Maharjan , Manith Adikari , Angelo Cangelosi

The pre-trained vision-language model, exemplified by CLIP, advances zero-shot semantic segmentation by aligning visual features with class embeddings through a transformer decoder to generate semantic masks. Despite its effectiveness,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Zicheng Zhang , Tong Zhang , Yi Zhu , Jianzhuang Liu , Xiaodan Liang , QiXiang Ye , Wei Ke

Vision-language models enable open-vocabulary object grounding through natural language queries, under the implicit assumption that semantically equivalent descriptions yield consistent outputs. We examine this assumption using a controlled…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Dawar Jyoti Deka , Amit Sethi , Syed Mohammad Ali

Open-world referring segmentation requires grounding unconstrained language expressions to precise pixel-level regions. Existing multimodal large language models (MLLMs) exhibit strong open-world visual grounding, but their outputs remain…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Yuan Yao , Qiushi Yang , Humen Zhong , Jiangning Wei , Yifang Men , Shuai Bai , Miaomiao Cui , Zhibo Yang

Vision-Language Models (VLMs) often yield inconsistent descriptions of the same object across viewpoints, hindering the ability of embodied agents to construct consistent semantic representations over time. Previous methods resolved…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Tommaso Galliena , Stefano Rosa , Tommaso Apicella , Pietro Morerio , Alessio Del Bue , Lorenzo Natale

Open-vocabulary semantic segmentation (OVSS) aims to segment arbitrary category regions in images using open-vocabulary prompts, necessitating that existing methods possess pixel-level vision-language alignment capability. Typically, this…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Jiahao Li , Yang Lu , Yachao Zhang , Fangyong Wang , Yuan Xie , Yanyun Qu