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Video moment retrieval is to identify the target moment according to the given sentence in an untrimmed video. Due to temporal boundary annotations of the video are extremely time-consuming to acquire, modeling in the weakly-supervised…

多媒体 · 计算机科学 2023-11-27 Haoyuan Li , Zhou Zhao , Zhu Zhang , Zhijie Lin

Weakly supervised referring expression comprehension(WREC) and segmentation(WRES) aim to learn object grounding based on a given expression using weak supervision signals like image-text pairs. While these tasks have traditionally been…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Yang Liu , Silin Cheng , Xinwei He , Sebastien Ourselin , Lei Tan , Gen Luo

In this work, we study the 1-bit convolutional neural networks (CNNs), of which both the weights and activations are binary. While being efficient, the classification accuracy of the current 1-bit CNNs is much worse compared to their…

计算机视觉与模式识别 · 计算机科学 2018-10-02 Zechun Liu , Baoyuan Wu , Wenhan Luo , Xin Yang , Wei Liu , Kwang-Ting Cheng

This paper presents a new semi-supervised framework with convolutional neural networks (CNNs) for text categorization. Unlike the previous approaches that rely on word embeddings, our method learns embeddings of small text regions from…

机器学习 · 统计学 2015-11-03 Rie Johnson , Tong Zhang

Contrastive Language-Image Pre-training (CLIP) has significantly improved performance in various vision-language tasks by expanding the dataset with image-text pairs obtained from websites. This paper further explores CLIP from the…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Tiancheng Gu , Kaicheng Yang , Xiang An , Ziyong Feng , Dongnan Liu , Weidong Cai , Jiankang Deng

Deep neural networks are gaining increasing popularity for the classic text classification task, due to their strong expressive power and less requirement for feature engineering. Despite such attractiveness, neural text classification…

信息检索 · 计算机科学 2018-09-13 Yu Meng , Jiaming Shen , Chao Zhang , Jiawei Han

We propose weakly supervised language localization networks (WSLLN) to detect events in long, untrimmed videos given language queries. To learn the correspondence between visual segments and texts, most previous methods require temporal…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Mingfei Gao , Larry S. Davis , Richard Socher , Caiming Xiong

Deep learning has shown great potential in image and video compression tasks. However, it brings bit savings at the cost of significant increases in coding complexity, which limits its potential for implementation within practical…

图像与视频处理 · 电气工程与系统科学 2021-05-28 Luka Murn , Saverio Blasi , Alan F. Smeaton , Noel E. O'Connor , Marta Mrak

Temporal convolution has been widely used for video classification. However, it is performed on spatio-temporal contexts in a limited view, which often weakens its capacity of learning video representation. To alleviate this problem, we…

计算机视觉与模式识别 · 计算机科学 2020-06-26 Xianhang Li , Yali Wang , Zhipeng Zhou , Yu Qiao

Collaborative Filtering (CF) based recommendation methods have been widely studied, which can be generally categorized into two types, i.e., representation learning-based CF methods and matching function learning-based CF methods.…

信息检索 · 计算机科学 2021-04-13 Zi-Yuan Hu , Jin Huang , Zhi-Hong Deng , Chang-Dong Wang , Ling Huang , Jian-Huang Lai , Philip S. Yu

Video moment retrieval aims to localize the target moment in an video according to the given sentence. The weak-supervised setting only provides the video-level sentence annotations during training. Most existing weak-supervised methods…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Zhu Zhang , Zhijie Lin , Zhou Zhao , Jieming Zhu , Xiuqiang He

A large number of deep learning models have been proposed for the text matching problem, which is at the core of various typical natural language processing (NLP) tasks. However, existing deep models are mainly designed for the semantic…

计算与语言 · 计算机科学 2019-02-28 Ting Zhang , Bang Liu , Di Niu , Kunfeng Lai , Yu Xu

Video-text retrieval is an important yet challenging task in vision-language understanding, which aims to learn a joint embedding space where related video and text instances are close to each other. Most current works simply measure the…

计算机视觉与模式识别 · 计算机科学 2021-08-02 Peng Wu , Xiangteng He , Mingqian Tang , Yiliang Lv , Jing Liu

Video captioning is one of the challenging problems at the intersection of vision and language, having many real-life applications in video retrieval, video surveillance, assisting visually challenged people, Human-machine interface, and…

计算机视觉与模式识别 · 计算机科学 2022-02-03 Nasib Ullah , Partha Pratim Mohanta

Multi-Modal Self-Supervised Learning from videos has been shown to improve model's performance on various downstream tasks. However, such Self-Supervised pre-training requires large batch sizes and a large amount of computation resources…

计算机视觉与模式识别 · 计算机科学 2021-12-24 Duo Wang , Salah Karout

Convolutional neural networks (CNNs) are a representative class of deep learning algorithms including convolutional computation that perform translation-invariant classification of input data based on their hierarchical architecture.…

机器学习 · 计算机科学 2023-03-14 Zihao Guo , Yueying Cao

Associating image regions with text queries has been recently explored as a new way to bridge visual and linguistic representations. A few pioneering approaches have been proposed based on recurrent neural language models trained…

计算机视觉与模式识别 · 计算机科学 2017-04-18 Yuting Zhang , Luyao Yuan , Yijie Guo , Zhiyuan He , I-An Huang , Honglak Lee

Video Quality Assessment (VQA) is vital for large-scale video retrieval systems, aimed at identifying quality issues to prioritize high-quality videos. In industrial systems, low-quality video characteristics fall into four categories:…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Hengzhu Tang , Zefeng Zhang , Zhiping Li , Zhenyu Zhang , Xing Wu , Li Gao , Suqi Cheng , Dawei Yin

Unconstrained video recognition and Deep Convolution Network (DCN) are two active topics in computer vision recently. In this work, we apply DCNs as frame-based recognizers for video recognition. Our preliminary studies, however, show that…

计算机视觉与模式识别 · 计算机科学 2015-06-16 Yu-Chuan Su , Tzu-Hsuan Chiu , Chun-Yen Yeh , Hsin-Fu Huang , Winston H. Hsu

Weakly-supervised learning based on, e.g., partially labelled images or image-tags, is currently attracting significant attention in CNN segmentation as it can mitigate the need for full and laborious pixel/voxel annotations. Enforcing…

计算机视觉与模式识别 · 计算机科学 2019-03-08 Hoel Kervadec , Jose Dolz , Meng Tang , Eric Granger , Yuri Boykov , Ismail Ben Ayed