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Vision-Language Models (VLMs) are crucial for applications requiring integrated understanding textual and visual information. However, existing VLMs struggle with long videos due to computational inefficiency, memory limitations, and…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Anxhelo Diko , Tinghuai Wang , Wassim Swaileh , Shiyan Sun , Ioannis Patras

Understanding real-world videos with complex semantics and long temporal dependencies remains a fundamental challenge in computer vision. Recent progress in multimodal large language models (MLLMs) has demonstrated strong capabilities in…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Hongyu Li , Songhao Han , Yue Liao , Junfeng Luo , Jialin Gao , Shuicheng Yan , Si Liu

Video Temporal Grounding (VTG), the task of localizing video segments from text queries, struggles in open-world settings due to limited dataset scale and semantic diversity, causing performance gaps between common and rare concepts. To…

计算机视觉与模式识别 · 计算机科学 2026-04-29 Minghang Zheng , Zihao Yin , Yi Yang , Yuxin Peng , Yang Liu

Visual grounding is a long-lasting problem in vision-language understanding due to its diversity and complexity. Current practices concentrate mostly on performing visual grounding in still images or well-trimmed video clips. This work, on…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Qianyu Feng , Yunchao Wei , Mingming Cheng , Yi Yang

Training strong video generation models usually requires massive datasets, large parameter counts, and substantial compute. In this work, we ask whether strong text-to-video quality is possible at a much smaller budget: fewer than 10M clips…

Spatial convolutions are widely used in numerous deep video models. It fundamentally assumes spatio-temporal invariance, i.e., using shared weights for every location in different frames. This work presents Temporally-Adaptive Convolutions…

计算机视觉与模式识别 · 计算机科学 2022-03-18 Ziyuan Huang , Shiwei Zhang , Liang Pan , Zhiwu Qing , Mingqian Tang , Ziwei Liu , Marcelo H. Ang

We propose a novel recurrent encoder-decoder network model for real-time video-based face alignment. Our proposed model predicts 2D facial point maps regularized by a regression loss, while uniquely exploiting recurrent learning at both…

计算机视觉与模式识别 · 计算机科学 2016-08-24 Xi Peng , Rogerio S. Feris , Xiaoyu Wang , Dimitris N. Metaxas

Recent advances in text-to-video diffusion models have enabled high-quality video synthesis, but controllable generation remains challenging, particularly under limited data and compute. Existing fine-tuning methods for conditional…

计算机视觉与模式识别 · 计算机科学 2025-12-15 Kinam Kim , Junha Hyung , Jaegul Choo

Efficiently adapting large Vision-Language Models (VLMs) like CLIP for few-shot learning poses challenges in balancing pre-trained knowledge retention and task-specific adaptation. Existing methods often overlook valuable structural…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Dazhi Huang

Existing video-language pre-training methods primarily focus on instance-level alignment between video clips and captions via global contrastive learning but neglect rich fine-grained local information in both videos and text, which is of…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Yuanhao Xiong , Long Zhao , Boqing Gong , Ming-Hsuan Yang , Florian Schroff , Ting Liu , Cho-Jui Hsieh , Liangzhe Yuan

Recent advancements in text-to-image (T2I) generation using diffusion models have enabled cost-effective video-editing applications by leveraging pre-trained models, eliminating the need for resource-intensive training. However, the…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Yangfan He , Sida Li , Jianhui Wang , Kun Li , Xinyuan Song , Xinhang Yuan , Keqin Li , Kuan Lu , Menghao Huo , Jingqun Tang , Yi Xin , Jiaqi Chen , Miao Zhang , Xueqian Wang

As the size of transformer-based models continues to grow, fine-tuning these large-scale pretrained vision models for new tasks has become increasingly parameter-intensive. Parameter-efficient learning has been developed to reduce the…

计算机视觉与模式识别 · 计算机科学 2023-07-27 Cheng Han , Qifan Wang , Yiming Cui , Zhiwen Cao , Wenguan Wang , Siyuan Qi , Dongfang Liu

While large-scale datasets have driven significant progress in Text-to-Video (T2V) generative models, these models remain highly sensitive to input prompts, demonstrating that prompt design is critical to generation quality. Current methods…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Zillur Rahman , Alex Sheng , Cristian Meo

Text-to-video retrieval essentially aims to train models to align visual content with textual descriptions accurately. Due to the impressive general multimodal knowledge demonstrated by image-text pretrained models such as CLIP, existing…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Yili Li , Gang Xiong , Gaopeng Gou , Xiangyan Qu , Jiamin Zhuang , Zhen Li , Junzheng Shi

Vision Transformers achieve impressive accuracy across a range of visual recognition tasks. Unfortunately, their accuracy frequently comes with high computational costs. This is a particular issue in video recognition, where models are…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Matthew Dutson , Yin Li , Mohit Gupta

Video has emerged as the primary medium for communication and creativity on the Internet, driving strong demand for scalable, high-quality video production. Vidi models continue to evolve toward next-generation video creation and have…

In the realm of video dialog response generation, the understanding of video content and the temporal nuances of conversation history are paramount. While a segment of current research leans heavily on large-scale pretrained visual-language…

计算机视觉与模式识别 · 计算机科学 2024-11-15 You Qin , Wei Ji , Xinze Lan , Hao Fei , Xun Yang , Dan Guo , Roger Zimmermann , Lizi Liao

High-fidelity street scene reconstruction is pivotal for end-to-end autonomous driving simulation, where novel-view synthesis (NVS) and time-varying information modeling are two fundamental capabilities to facilitate closed-loop training.…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Bowyn Tan , Yutong Xie , Bai Huang , Fan Luo , Xiao Li , Naizheng Wang , Yang Guan , Shengbo Eben Li

Existing Video Temporal Grounding (VTG) models excel in accuracy but often overlook open-world challenges posed by open-vocabulary queries and untrimmed videos. This leads to unreliable predictions for noisy, corrupted, and…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Kaijing Ma , Haojian Huang , Jin Chen , Haodong Chen , Pengliang Ji , Xianghao Zang , Han Fang , Chao Ban , Hao Sun , Mulin Chen , Xuelong Li

Video Temporal Grounding (VTG) is a crucial capability for video understanding models and plays a vital role in downstream tasks such as video browsing and editing. To effectively handle various tasks simultaneously and enable zero-shot…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Yongxin Guo , Jingyu Liu , Mingda Li , Qingbin Liu , Xi Chen , Xiaoying Tang