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Large vision-language models suffer from visual ungroundedness: they can produce a fluent, confident, and even correct response driven entirely by language priors, with the image contributing nothing to the prediction. Existing confidence…

Computation and Language · Computer Science 2026-05-18 Reza Khanmohammadi , Erfan Miahi , Simerjot Kaur , Charese H. Smiley , Ivan Brugere , Kundan Thind , Mohammad M. Ghassemi

Reward modeling is essential for aligning Large Language Models(LLMs) with human preferences, yet conventional reward models suffer from poor interpretability and heavy reliance on costly expert annotations. While recent rubric-based…

Artificial Intelligence · Computer Science 2026-03-10 Dengcan Liu , Fengkai Yang , Xiaohan Wang , Shurui Yan , Jiajun Chai , Jiahao Li , Yikun Ban , Zhendong Mao , Wei Lin , Guojun Yin

Vision-Language Models (VLMs), such as CLIP, have demonstrated impressive zero-shot transfer capabilities in image-level visual perception. However, these models have shown limited performance in instance-level tasks that demand precise…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Lingfeng Yang , Yueze Wang , Xiang Li , Xinlong Wang , Jian Yang

This study investigates the spatial reasoning capabilities of vision-language models (VLMs) through Chain-of-Thought (CoT) prompting and reinforcement learning. We begin by evaluating the impact of different prompting strategies and find…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Binbin Ji , Siddharth Agrawal , Qiance Tang , Yvonne Wu

Vision-Language Instruction Tuning (VLIT) is a critical training phase for Large Vision-Language Models (LVLMs). With the improving capabilities of open-source LVLMs, researchers have increasingly turned to generate VLIT data by using…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Ji Ma , Wei Suo , Peng Wang , Yanning Zhang

Recent advancements in Vision-Language (VL) research have sparked new benchmarks for complex visual reasoning, challenging models' advanced reasoning ability. Traditional Vision-Language Models (VLMs) perform well in visual perception tasks…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Zhiyuan Li , Dongnan Liu , Chaoyi Zhang , Heng Wang , Tengfei Xue , Weidong Cai

Autoregressive image and video generators are trained with teacher-forced histories but must sample from their own generated prefixes at inference time, making them vulnerable to exposure bias and prefix drift. Existing remedies either…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Xinyao Liao , Qiyuan He , Yicong Li , Jiayin Zhu , Xiaoye Qu , Wei Wei , Angela Yao

Contrastive Language-Image Pre-training (CLIP) has been a celebrated method for training vision encoders to generate image/text representations facilitating various applications. Recently, CLIP has been widely adopted as the vision backbone…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Hong-You Chen , Zhengfeng Lai , Haotian Zhang , Xinze Wang , Marcin Eichner , Keen You , Meng Cao , Bowen Zhang , Yinfei Yang , Zhe Gan

Traditional visual grounding methods primarily focus on single-image scenarios with simple textual references. However, extending these methods to real-world scenarios that involve implicit and complex instructions, particularly in…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Sule Bai , Mingxing Li , Yong Liu , Jing Tang , Haoji Zhang , Lei Sun , Xiangxiang Chu , Yansong Tang

Remote sensing visual grounding (RSVG) aims to localize objects in remote sensing imagery according to natural language expressions. Previous methods typically rely on sentence-level vision-language alignment, which struggles to exploit…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Ke Li , Ting Wang , Di Wang , Yongshan Zhu , Yiming Zhang , Tao Lei , Quan Wang

Referential grounding in outdoor driving scenes is challenging due to large scene variability, many visually similar objects, and dynamic elements that complicate resolving natural-language references (e.g., "the black car on the right").…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Pranav Saxena , Avigyan Bhattacharya , Ji Zhang , Wenshan Wang

Vehicle make and model recognition (VMMR) is an important task in intelligent transportation systems, but existing approaches struggle to adapt to newly released models. Contrastive Language-Image Pretraining (CLIP) provides strong…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Wei-Chia Chang , Yan-Ann Chen

Vision-language models (VLMs) can couple visual perception with open-ended clinical reasoning, making them attractive for computational histopathology. However, fine-tuning billions of parameters on scarce, expert-annotated pathology data…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Franciskus Xaverius Erick , Johanna Paula Müller , Bernhard Kainz

Contextual cues related to a person's pose and interactions with objects and other people in the scene can provide valuable information for gaze following. While existing methods have focused on dedicated cue extraction methods, in this…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Anshul Gupta , Pierre Vuillecard , Arya Farkhondeh , Jean-Marc Odobez

Cross-lingual Cross-modal Retrieval (CCR) is an essential task in web search, which aims to break the barriers between modality and language simultaneously and achieves image-text retrieval in the multi-lingual scenario with a single model.…

Information Retrieval · Computer Science 2024-06-27 Zhijie Nie , Richong Zhang , Zhangchi Feng , Hailang Huang , Xudong Liu

Although foundational vision-language models (VLMs) have proven to be very successful for various semantic discrimination tasks, they still struggle to perform faithfully for fine-grained categorization. Moreover, foundational models…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Soumitri Chattopadhyay , Sanket Biswas , Emanuele Vivoli , Josep Lladós

Following the impressive development of LLMs, vision-language alignment in LLMs is actively being researched to enable multimodal reasoning and visual IO. This direction of research is particularly relevant to medical imaging because…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Suhyeon Lee , Won Jun Kim , Jinho Chang , Jong Chul Ye

Vision--language models (VLMs) for radiology report generation (RRG) can produce long-form chest CT reports from volumetric scans and show strong potential to improve radiology workflow efficiency and consistency. However, existing methods…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Chenyu Wang , Weicheng Dai , Han Liu , Wenchao Li , Kayhan Batmanghelich

Visual retrieval-augmented generation (VRAG) augments vision-language models (VLMs) with external visual knowledge to ground reasoning and reduce hallucinations. Yet current VRAG systems often fail to reliably perceive and integrate…

Computation and Language · Computer Science 2025-10-14 Yubo Sun , Chunyi Peng , Yukun Yan , Shi Yu , Zhenghao Liu , Chi Chen , Zhiyuan Liu , Maosong Sun

Text-to-image generative models like DALL-E and Stable Diffusion have revolutionized visual content creation across various applications, including advertising, personalized media, and design prototyping. However, crafting effective textual…

Artificial Intelligence · Computer Science 2025-07-22 Donghoon Kim , Minji Bae , Kyuhong Shim , Byonghyo Shim