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Visual decoding from brain signals is a key challenge at the intersection of computer vision and neuroscience, requiring methods that bridge neural representations and computational models of vision. We introduce a tri-modal contrastive…

Machine Learning · Computer Science 2026-05-26 Zexuan Chen , Sichao Liu , Runhao Lu , Huichao Qi , Alexandra Woolgar , Xi Vincent Wang , Lihui Wang

Text-to-image diffusion models have achieved remarkable image quality, but they still struggle with complex, multiele ment prompts, and limited stylistic diversity. To address these limitations, we propose a Multi-Expert Planning and Gen…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Yuan Zhao , Lin Liu

Text-based person search aims at retrieving images of a particular person based on a given textual description. A common solution for this task is to directly match the entire images and texts, i.e., global alignment, which fails to deal…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Haiguang Wang , Yu Wu , Mengxia Wu , Cao Min , Min Zhang

This paper presents a framework for jointly grounding objects that follow certain semantic relationship constraints given in a scene graph. A typical natural scene contains several objects, often exhibiting visual relationships of varied…

Computer Vision and Pattern Recognition · Computer Science 2022-11-04 Aditay Tripathi , Anand Mishra , Anirban Chakraborty

Most multimodal large language models (MLLMs) learn language-to-object grounding through causal language modeling where grounded objects are captured by bounding boxes as sequences of location tokens. This paradigm lacks pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Yichi Zhang , Ziqiao Ma , Xiaofeng Gao , Suhaila Shakiah , Qiaozi Gao , Joyce Chai

Despite remarkable advancements in pixel-level medical image perception, existing methods are either limited to specific tasks or heavily rely on accurate bounding boxes or text labels as input prompts. However, the medical knowledge…

Computer Vision and Pattern Recognition · Computer Science 2025-04-24 Qinyue Tong , Ziqian Lu , Jun Liu , Yangming Zheng , Zheming Lu

Medical image understanding plays a crucial role in enabling automated diagnosis and data-driven clinical decision support. However, its progress is impeded by two primary challenges: the limited availability of high-quality annotated…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Tianchen Fang , Guiru Liu

Vision-language models (VLMs) pre-trained on web-scale data exhibit promising zero-shot generalization but often suffer from semantic misalignment due to domain gaps between pre-training and downstream tasks. Existing approaches primarily…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Xiaojie Yin , Qilong Wang , Qinghua Hu

Recent progress on automatic generation of image captions has shown that it is possible to describe the most salient information conveyed by images with accurate and meaningful sentences. In this paper, we propose an image caption system…

Computer Vision and Pattern Recognition · Computer Science 2015-06-23 Junqi Jin , Kun Fu , Runpeng Cui , Fei Sha , Changshui Zhang

Image-text retrieval is a widely studied topic in the field of computer vision due to the exponential growth of multimedia data, whose core concept is to measure the similarity between images and text. However, most existing retrieval…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Yang Zhang

The existing works on object-level language grounding with 3D objects mostly focus on improving performance by utilizing the off-the-shelf pre-trained models to capture features, such as viewpoint selection or geometric priors. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Penglei Sun , Yaoxian Song , Xinglin Pan , Peijie Dong , Xiaofei Yang , Qiang Wang , Zhixu Li , Tiefeng Li , Xiaowen Chu

The success of deep learning heavily depends on the availability of large labeled training sets. However, it is hard to get large labeled datasets in medical image domain because of the strict privacy concern and costly labeling efforts.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-30 Dewen Zeng , Yawen Wu , Xinrong Hu , Xiaowei Xu , Haiyun Yuan , Meiping Huang , Jian Zhuang , Jingtong Hu , Yiyu Shi

HealthBench, a benchmark designed to measure the capabilities of AI systems for health better (Arora et al., 2025), has advanced medical language model evaluation through physician-crafted dialogues and transparent rubrics. However, its…

Artificial Intelligence · Computer Science 2025-08-04 Fred Mutisya , Shikoh Gitau , Nasubo Ongoma , Keith Mbae , Elizabeth Wamicha

Visual grounding localizes regions (boxes or segments) in the image corresponding to given referring expressions. In this work we address image segmentation from referring expressions, a problem that has so far only been addressed in a…

Computer Vision and Pattern Recognition · Computer Science 2022-05-13 Robin Strudel , Ivan Laptev , Cordelia Schmid

Visual grounding focuses on detecting objects from images based on language expressions. Recent Large Vision-Language Models (LVLMs) have significantly advanced visual grounding performance by training large models with large-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Yangxiao Lu , Ruosen Li , Liqiang Jing , Jikai Wang , Xinya Du , Yunhui Guo , Nicholas Ruozzi , Yu Xiang

Multi-task visual grounding involves the simultaneous execution of localization and segmentation in images based on textual expressions. The majority of advanced methods predominantly focus on transformer-based multimodal fusion, aiming to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Ming Dai , Jian Li , Jiedong Zhuang , Xian Zhang , Wankou Yang

Long text classification is challenging for Large Language Models (LLMs) due to token limits and high computational costs. This study explores whether a Retrieval Augmented Generation (RAG) approach using only the most relevant text…

This paper presents ER-NeRF, a novel conditional Neural Radiance Fields (NeRF) based architecture for talking portrait synthesis that can concurrently achieve fast convergence, real-time rendering, and state-of-the-art performance with…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Jiahe Li , Jiawei Zhang , Xiao Bai , Jun Zhou , Lin Gu

Region anchors are the cornerstone of modern object detection techniques. State-of-the-art detectors mostly rely on a dense anchoring scheme, where anchors are sampled uniformly over the spatial domain with a predefined set of scales and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Jiaqi Wang , Kai Chen , Shuo Yang , Chen Change Loy , Dahua Lin

We propose a margin-based loss for tuning joint vision-language models so that their gradient-based explanations are consistent with region-level annotations provided by humans for relatively smaller grounding datasets. We refer to this…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Ziyan Yang , Kushal Kafle , Franck Dernoncourt , Vicente Ordonez