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Vision Language Models (VLMs) struggle with long-form videos due to the quadratic complexity of attention mechanisms. We propose Language-Guided Temporal Token Pruning (LGTTP), which leverages temporal cues from queries to adaptively prune…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Yogesh Kumar

Zero-shot referring image segmentation aims to locate and segment the target region based on a referring expression, with the primary challenge of aligning and matching semantics across visual and textual modalities without training.…

计算机视觉与模式识别 · 计算机科学 2025-05-02 Jiachen Li , Qing Xie , Renshu Gu , Jinyu Xu , Yongjian Liu , Xiaohan Yu

The exponential growth of user-generated movie reviews on digital platforms has made accurate text sentiment classification a cornerstone task in natural language processing. Traditional models, including standard BERT and recurrent…

计算与语言 · 计算机科学 2026-04-14 Qingyang Li

Vision-and-language reasoning requires an understanding of visual concepts, language semantics, and, most importantly, the alignment and relationships between these two modalities. We thus propose the LXMERT (Learning Cross-Modality Encoder…

计算与语言 · 计算机科学 2019-12-05 Hao Tan , Mohit Bansal

We address the task of supervised action segmentation which aims to partition a video into non-overlapping segments, each representing a different action. Recent works apply transformers to perform temporal modeling at the frame-level,…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Zijia Lu , Ehsan Elhamifar

We present a unified perspective on tackling various human-centric video tasks by learning human motion representations from large-scale and heterogeneous data resources. Specifically, we propose a pretraining stage in which a motion…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Wentao Zhu , Xiaoxuan Ma , Zhaoyang Liu , Libin Liu , Wayne Wu , Yizhou Wang

Action recognition and localization in complex, untrimmed videos remain a formidable challenge in computer vision, largely due to the limitations of existing methods in capturing fine-grained actions, long-term temporal dependencies, and…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Liyang Peng , Sihan Zhu , Yunjie Guo

Intent-oriented controlled video captioning aims to generate targeted descriptions for specific targets in a video based on customized user intent. Current Large Visual Language Models (LVLMs) have gained strong instruction following and…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Tianheng Qiu , Jingchun Gao , Jingyu Li , Huiyi Leong , Xuan Huang , Xi Wang , Xiaocheng Zhang , Kele Xu , Lan Zhang

To generate proper captions for videos, the inference needs to identify relevant concepts and pay attention to the spatial relationships between them as well as to the temporal development in the clip. Our end-to-end encoder-decoder video…

计算机视觉与模式识别 · 计算机科学 2022-08-22 Zohreh Ghaderi , Leonard Salewski , Hendrik P. A. Lensch

Descriptive region features extracted by object detection networks have played an important role in the recent advancements of image captioning. However, they are still criticized for the lack of contextual information and fine-grained…

计算机视觉与模式识别 · 计算机科学 2021-08-04 Yunpeng Luo , Jiayi Ji , Xiaoshuai Sun , Liujuan Cao , Yongjian Wu , Feiyue Huang , Chia-Wen Lin , Rongrong Ji

Today, the acquisition of various behavioral log data has enabled deeper understanding of customer preferences and future behaviors in the marketing field. In particular, multimodal deep learning has achieved highly accurate predictions by…

计算工程、金融与科学 · 计算机科学 2024-05-14 Junichiro Niimi

Language-driven action localization in videos is a challenging task that involves not only visual-linguistic matching but also action boundary prediction. Recent progress has been achieved through aligning language query to video segments,…

计算机视觉与模式识别 · 计算机科学 2022-05-13 Shuo Yang , Xinxiao Wu

In recent years, there has been remarkable progress in supervised image segmentation. Video segmentation is less explored, despite the temporal dimension being highly informative. Semantic labels, e.g. that cannot be accurately detected in…

计算机视觉与模式识别 · 计算机科学 2019-08-30 Radu Sibechi , Olaf Booij , Nora Baka , Peter Bloem

Large multimodal models (LMMs) excel in scene understanding but struggle with fine-grained spatiotemporal reasoning due to weak alignment between linguistic and visual representations. Existing methods map textual positions and durations…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Hanyu Zhou , Gim Hee Lee

Video Moment Retrieval and Highlight Detection aim to find corresponding content in the video based on a text query. Existing models usually first use contrastive learning methods to align video and text features, then fuse and extract…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Pengcheng Zhao , Zhixian He , Fuwei Zhang , Shujin Lin , Fan Zhou

Video moment retrieval targets at retrieving a moment in a video for a given language query. The challenges of this task include 1) the requirement of localizing the relevant moment in an untrimmed video, and 2) bridging the semantic gap…

计算机视觉与模式识别 · 计算机科学 2023-04-06 Haoyu Tang , Jihua Zhu , Meng Liu , Zan Gao , Zhiyong Cheng

Referring image segmentation aims to segment the target object referred by a natural language expression. However, previous methods rely on the strong assumption that one sentence must describe one target in the image, which is often not…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Yutao Hu , Qixiong Wang , Wenqi Shao , Enze Xie , Zhenguo Li , Jungong Han , Ping Luo

Recent advancements in the field of Diffusion Transformers have substantially improved the generation of high-quality 2D images, 3D videos, and 3D shapes. However, the effectiveness of the Transformer architecture in the domain of co-speech…

计算机视觉与模式识别 · 计算机科学 2024-08-07 Xiaofeng Mao , Zhengkai Jiang , Qilin Wang , Chencan Fu , Jiangning Zhang , Jiafu Wu , Yabiao Wang , Chengjie Wang , Wei Li , Mingmin Chi

Video-guided Multimodal Translation (VMT) has advanced significantly in recent years. However, most existing methods rely on locally aligned video segments paired one-to-one with subtitles, limiting their ability to capture global narrative…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Jian Chen , JinZe Lv , Zi Long , XiangHua Fu

This study introduces an efficient and effective method, MeDM, that utilizes pre-trained image Diffusion Models for video-to-video translation with consistent temporal flow. The proposed framework can render videos from scene position…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Ernie Chu , Tzuhsuan Huang , Shuo-Yen Lin , Jun-Cheng Chen