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Semantic video segmentation is challenging due to the sheer amount of data that needs to be processed and labeled in order to construct accurate models. In this paper we present a deep, end-to-end trainable methodology to video segmentation…

计算机视觉与模式识别 · 计算机科学 2017-10-03 David Nilsson , Cristian Sminchisescu

With the increasing demand for video understanding, video moment and highlight detection (MHD) has emerged as a critical research topic. MHD aims to localize all moments and predict clip-wise saliency scores simultaneously. Despite progress…

计算机视觉与模式识别 · 计算机科学 2023-05-05 Yifang Xu , Yunzhuo Sun , Yang Li , Yilei Shi , Xiaoxiang Zhu , Sidan Du

Video moment retrieval aims to search the moment most relevant to a given language query. However, most existing methods in this community often require temporal boundary annotations which are expensive and time-consuming to label. Hence…

计算机视觉与模式识别 · 计算机科学 2021-11-05 Ding Li , Rui Wu , Yongqiang Tang , Zhizhong Zhang , Wensheng Zhang

In recent years, we have seen a colossal effort in pre-training multilingual text encoders using large-scale corpora in many languages to facilitate cross-lingual transfer learning. However, due to typological differences across languages,…

计算与语言 · 计算机科学 2021-06-07 Wasi Uddin Ahmad , Haoran Li , Kai-Wei Chang , Yashar Mehdad

Due to lack of fully publicly available text-to-video models, current video editing methods tend to build on pre-trained text-to-image generation models, however, they still face grand challenges in dealing with the local editing of video…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Deyin Liu , Lin Yuanbo Wu , Xianghua Xie

Temporal action localization aims to predict the boundary and category of each action instance in untrimmed long videos. Most of previous methods based on anchors or proposals neglect the global-local context interaction in entire video…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Yizheng Ouyang , Tianjin Zhang , Weibo Gu , Hongfa Wang

This paper presents a new task, the grounding of spatio-temporal identifying descriptions in videos. Previous work suggests potential bias in existing datasets and emphasizes the need for a new data creation schema to better model…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Peratham Wiriyathammabhum , Abhinav Shrivastava , Vlad I. Morariu , Larry S. Davis

3D perception tasks, such as 3D object detection and Bird's-Eye-View (BEV) segmentation using multi-camera images, have drawn significant attention recently. Despite the fact that accurately estimating both semantic and 3D scene layouts are…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Qi Song , Qingyong Hu , Chi Zhang , Yongquan Chen , Rui Huang

Integrating LiDAR and Camera information into Bird's-Eye-View (BEV) has become an essential topic for 3D object detection in autonomous driving. Existing methods mostly adopt an independent dual-branch framework to generate LiDAR and camera…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Hongxiang Cai , Zeyuan Zhang , Zhenyu Zhou , Ziyin Li , Wenbo Ding , Jiuhua Zhao

Unsupervised domain adaptation for semantic segmentation (DASS) aims to transfer knowledge from a label-rich source domain to a target domain with no labels. Two key approaches in DASS are (1) vision-only approaches using masking or…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Chang Liu , Bavesh Balaji , Saad Hossain , C Thomas , Kwei-Herng Lai , Raviteja Vemulapalli , Alexander Wong , Sirisha Rambhatla

Existing dominant approaches for cross-modal video-text retrieval task are to learn a joint embedding space to measure the cross-modal similarity. However, these methods rarely explore long-range dependency inside video frames or textual…

多媒体 · 计算机科学 2020-04-13 Rui Zhao , Kecheng Zheng , Zheng-jun Zha

Automatically generating sentences to describe events and temporally localizing sentences in a video are two important tasks that bridge language and videos. Recent techniques leverage the multimodal nature of videos by using off-the-shelf…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Shaoxiang Chen , Wenhao Jiang , Wei Liu , Yu-Gang Jiang

The translation of thermal infrared (TIR) images into visible light (VI) images plays a critical role in enhancing model performance and generalization capability, particularly in various fields such as registration and fusion of TIR and VI…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Tonghui Zou , Lei Chen

Vision-language retrieval is an important multi-modal learning topic, where the goal is to retrieve the most relevant visual candidate for a given text query. Recently, pre-trained models, e.g., CLIP, show great potential on retrieval…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Haojun Jiang , Jianke Zhang , Rui Huang , Chunjiang Ge , Zanlin Ni , Shiji Song , Gao Huang

With the rapid growth of video data and the increasing demands of various applications such as intelligent video search and assistance toward visually-impaired people, video captioning task has received a lot of attention recently in…

计算机视觉与模式识别 · 计算机科学 2019-07-31 Xiangxi Shi , Jianfei Cai , Shafiq Joty , Jiuxiang Gu

Video Object Segmentation (VOS) is fundamental to video understanding. Transformer-based methods show significant performance improvement on semi-supervised VOS. However, existing work faces challenges segmenting visually similar objects in…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Ye Yu , Jialin Yuan , Gaurav Mittal , Li Fuxin , Mei Chen

Unsupervised Video Object Segmentation (VOS) aims at identifying the contours of primary foreground objects in videos without any prior knowledge. However, previous methods do not fully use spatial-temporal context and fail to tackle this…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Ping Li , Yu Zhang , Li Yuan , Huaxin Xiao , Binbin Lin , Xianghua Xu

Video shadow detection confronts two entwined difficulties: distinguishing shadows from complex backgrounds and modeling dynamic shadow deformations under varying illumination. To address shadow-background ambiguity, we leverage linguistic…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Zhicheng Li , Kunyang Sun , Rui Yao , Hancheng Zhu , Fuyuan Hu , Jiaqi Zhao , Zhiwen Shao , Yong Zhou

Action segmentation as a milestone towards building automatic systems to understand untrimmed videos has received considerable attention in the recent years. It is typically being modeled as a sequence labeling problem but contains…

计算机视觉与模式识别 · 计算机科学 2017-05-23 Li Ding , Chenliang Xu

In this work, we tackle the problem of text-to-video retrieval (T2VR). Inspired by the success of late interaction techniques in text-document, text-image, and text-video retrieval, our approach, Video-ColBERT, introduces a simple and…

计算机视觉与模式识别 · 计算机科学 2025-06-11 Arun Reddy , Alexander Martin , Eugene Yang , Andrew Yates , Kate Sanders , Kenton Murray , Reno Kriz , Celso M. de Melo , Benjamin Van Durme , Rama Chellappa
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