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A key challenge in video question answering is how to realize the cross-modal semantic alignment between textual concepts and corresponding visual objects. Existing methods mostly seek to align the word representations with the video…

Computer Vision and Pattern Recognition · Computer Science 2022-05-16 Zenan Xu , Wanjun Zhong , Qinliang Su , Zijing Ou , Fuwei Zhang

Given the significant potential of large language models (LLMs) in sequence modeling, emerging studies have begun applying them to time-series forecasting. Despite notable progress, existing methods still face two critical challenges: 1)…

Artificial Intelligence · Computer Science 2025-01-09 Pengfei Wang , Huanran Zheng , Qi'ao Xu , Silong Dai , Yiqiao Wang , Wenjing Yue , Wei Zhu , Tianwen Qian , Xiaoling Wang

Visual grounding is the task of locating objects specified by natural language expressions. Existing methods extend generic object detection frameworks to tackle this task. They typically extract visual and textual features separately using…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Ruilin Yao , Shengwu Xiong , Yichen Zhao , Yi Rong

Medical image synthesis is crucial for alleviating data scarcity and privacy constraints. However, fine-tuning general text-to-image (T2I) models remains challenging, mainly due to the significant modality gap between complex visual details…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Xin Huang , Junjie Liang , Qingshan Hou , Peng Cao , Jinzhu Yang , Xiaoli Liu , Osmar R. Zaiane

The development of multimodal large language models (MLLMs) enables the evaluation of image quality through natural language descriptions. This advancement allows for more detailed assessments. However, these MLLM-based IQA methods…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Zheng Chen , Xun Zhang , Wenbo Li , Renjing Pei , Fenglong Song , Xiongkuo Min , Xiaohong Liu , Xin Yuan , Yong Guo , Yulun Zhang

Accurate organ and lesion segmentation is a critical prerequisite for computer-aided diagnosis. Convolutional Neural Networks (CNNs), constrained by their local receptive fields, often struggle to capture complex global anatomical…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Haodong Chen , Xianfei Han , Qwen

Recent work has shown great progress in integrating spatial conditioning to control large, pre-trained text-to-image diffusion models. Despite these advances, existing methods describe the spatial image content using hand-crafted…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Jiayi Wang , Kevin Alexander Laube , Yumeng Li , Jan Hendrik Metzen , Shin-I Cheng , Julio Borges , Anna Khoreva

Most text-to-image customization techniques fine-tune models on a small set of \emph{personal concept} images captured in minimal contexts. This often results in the model becoming overfitted to these training images and unable to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Taewook Kim , Wei Chen , Qiang Qiu

Text-guided image editing and generation methods have diverse real-world applications. However, text-guided infinite image synthesis faces several challenges. First, there is a lack of text-image paired datasets with high-resolution and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Soyeong Kwon , Taegyeong Lee , Taehwan Kim

Advancements in text-to-image generative AI with large multimodal models are spreading into the field of image compression, creating high-quality representation of images at extremely low bit rates. This work introduces novel components to…

Image and Video Processing · Electrical Eng. & Systems 2025-06-02 Cheng-Lin Wu , Hyomin Choi , Ivan V. Bajić

Text-guided image editing has been allowing users to transform and synthesize images through natural language instructions, offering considerable flexibility. However, most existing image editing models naively attempt to follow all user…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Hyunseung Kim , Chiho Choi , Srikanth Malla , Sai Prahladh Padmanabhan , Saurabh Bagchi , Joon Hee Choi

We address the problem of phrase grounding by lear ing a multi-level common semantic space shared by the textual and visual modalities. We exploit multiple levels of feature maps of a Deep Convolutional Neural Network, as well as…

Computer Vision and Pattern Recognition · Computer Science 2019-05-31 Hassan Akbari , Svebor Karaman , Surabhi Bhargava , Brian Chen , Carl Vondrick , Shih-Fu Chang

We show that for a variety of concepts in adapter-based vision-language models, the representations of their images and their text descriptions are meaningfully aligned from the very first layer. This contradicts the established view that…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Evžen Wybitul , Javier Rando , Florian Tramèr , Stanislav Fort

Example-guided image synthesis has recently been attempted to synthesize an image from a semantic label map and an exemplary image. In the task, the additional exemplar image provides the style guidance that controls the appearance of the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-22 Haitian Zheng , Haofu Liao , Lele Chen , Wei Xiong , Tianlang Chen , Jiebo Luo

The stunning qualitative improvement of recent text-to-image models has led to their widespread attention and adoption. However, we lack a comprehensive quantitative understanding of their capabilities and risks. To fill this gap, we…

Vision-language models have shown strong performance, but they often generalize poorly to specialized domains. While semi-supervised vision-language learning mitigates this limitation by leveraging a small set of labeled image-text pairs…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Junwon You , Mihyun Jang , Sangwoo Mo , Jae-Hun Jung

Recent advancements in generative models have revolutionized the field of artificial intelligence, enabling the creation of highly-realistic and detailed images. In this study, we propose a novel Mask Conditional Text-to-Image Generative…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Rami Skaik , Leonardo Rossi , Tomaso Fontanini , Andrea Prati

Text-to-image (T2I) generative diffusion models have demonstrated outstanding performance in synthesizing diverse, high-quality visuals from text captions. Several layout-to-image models have been developed to control the generation process…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Ahmad Süleyman , Göksel Biricik

Utilizing a shared embedding space, emerging multimodal models exhibit unprecedented zero-shot capabilities. However, the shared embedding space could lead to new vulnerabilities if different modalities can be misaligned. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Shaeke Salman , Md Montasir Bin Shams , Xiuwen Liu

Selective state-space models excel at long-sequence modeling, but their capacity for language representation -- in complex hierarchical reasoning -- remains underexplored. Most large language models rely on \textit{flat} Euclidean…

Computation and Language · Computer Science 2025-12-08 Sarang Patil , Ashish Parmanand Pandey , Ioannis Koutis , Mengjia Xu