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Temporal consistency is critical in video prediction to ensure that outputs are coherent and free of artifacts. Traditional methods, such as temporal attention and 3D convolution, may struggle with significant object motion and may not…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Zihang Lai , Andrea Vedaldi

Deep neural network models have recently draw lots of attention, as it consistently produce impressive results in many computer vision tasks such as image classification, object detection, etc. However, interpreting such model and show the…

机器学习 · 计算机科学 2019-01-30 Shipeng Xie , Da Chen , Rong Zhang , Hui Xue

We present a system for concurrent activity recognition. To extract features associated with different activities, we propose a feature-to-activity attention that maps the extracted global features to sub-features associated with individual…

计算机视觉与模式识别 · 计算机科学 2018-12-10 Yanyi Zhang , Xinyu Li , Kaixiang Huang , Yehan Wang , Shuhong Chen , Ivan Marsic

Video-based person reID is an important task, which has received much attention in recent years due to the increasing demand in surveillance and camera networks. A typical video-based person reID system consists of three parts: an…

计算机视觉与模式识别 · 计算机科学 2018-05-09 Jiyang Gao , Ram Nevatia

Existing person video generation methods either lack the flexibility in controlling both the appearance and motion, or fail to preserve detailed appearance and temporal consistency. In this paper, we tackle the problem of motion transfer…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Kun Cheng , Hao-Zhi Huang , Chun Yuan , Lingyiqing Zhou , Wei Liu

Video action analysis is a foundational technology within the realm of intelligent video comprehension, particularly concerning its application in Internet of Things(IoT). However, existing methodologies overlook feature semantics in…

计算机视觉与模式识别 · 计算机科学 2025-08-20 Guiqin Wang , Peng Zhao , Cong Zhao , Jing Huang , Siyan Guo , Shusen Yang

Visual perception is driven by the focus on relevant aspects in the surrounding world. To transfer this observation to the digital information processing of computers, attention mechanisms have been introduced to highlight salient image…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Nils Körber

We tackle the problem of understanding visual ads where given an ad image, our goal is to rank appropriate human generated statements describing the purpose of the ad. This problem is generally addressed by jointly embedding images and…

计算机视觉与模式识别 · 计算机科学 2018-07-05 Karuna Ahuja , Karan Sikka , Anirban Roy , Ajay Divakaran

Image matting is a longstanding problem in computational photography. Although, it has been studied for more than two decades, yet there is a challenge of developing an automatic matting algorithm which does not require any human efforts.…

计算机视觉与模式识别 · 计算机科学 2017-07-05 Vikas Gupta , Shanmuganathan Raman

Contrastive learning has proven instrumental in learning unbiased representations of data, especially in complex environments characterized by high-cardinality and high-dimensional sensitive information. However, existing approaches within…

机器学习 · 计算机科学 2024-11-25 Stefan K. Nielsen , Tan M. Nguyen

First-person action recognition is a challenging task in video understanding. Because of strong ego-motion and a limited field of view, many backgrounds or noisy frames in a first-person video can distract an action recognition model during…

计算机视觉与模式识别 · 计算机科学 2021-12-03 Lijin Yang , Yifei Huang , Yusuke Sugano , Yoichi Sato

Over the last few years, deep learning based approaches have achieved outstanding improvements in natural image matting. Many of these methods can generate visually plausible alpha estimations, but typically yield blurry structures or…

计算机视觉与模式识别 · 计算机科学 2020-01-14 Yaoyi Li , Hongtao Lu

Human activity recognition in videos has been widely studied and has recently gained significant advances with deep learning approaches; however, it remains a challenging task. In this paper, we propose a novel framework that simultaneously…

计算机视觉与模式识别 · 计算机科学 2021-01-25 Dong-Gyu Lee , Seong-Whan Lee

Recent image matting studies are developing towards proposing trimap-free or interactive methods for complete complex image matting tasks. Although avoiding the extensive labors of trimap annotation, existing methods still suffer from two…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Dinghao Yang , Bin Wang , Weijia Li , Yiqi Lin , Conghui He

Channel attention mechanisms endeavor to recalibrate channel weights to enhance representation abilities of networks. However, mainstream methods often rely solely on global average pooling as the feature squeezer, which significantly…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Yangbo Jiang , Zhiwei Jiang , Le Han , Zenan Huang , Nenggan Zheng

Attention mechanisms, especially self-attention, have played an increasingly important role in deep feature representation for visual tasks. Self-attention updates the feature at each position by computing a weighted sum of features using…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Meng-Hao Guo , Zheng-Ning Liu , Tai-Jiang Mu , Shi-Min Hu

We introduce a robust, real-time, high-resolution human video matting method that achieves new state-of-the-art performance. Our method is much lighter than previous approaches and can process 4K at 76 FPS and HD at 104 FPS on an Nvidia GTX…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Shanchuan Lin , Linjie Yang , Imran Saleemi , Soumyadip Sengupta

Selective attention is an essential mechanism to filter sensory input and to select only its most important components, allowing the capacity-limited cognitive structures of the brain to process them in detail. The saliency map model,…

图像与视频处理 · 电气工程与系统科学 2024-01-11 Camille Simon Chane , Ernst Niebur , Ryad Benosman , Sio-Hoi Ieng

Attention mechanism is a significant part of Transformer models. It helps extract features from embedded vectors by adding global information and its expressivity has been proved to be powerful. Nevertheless, the quadratic complexity…

机器学习 · 计算机科学 2025-11-11 Hanwen Liu , Yixuan Ma , Shi Jin , Yuguang Wang

In this paper, we propose a novel method for video moment retrieval (VMR) that achieves state of the arts (SOTA) performance on R@1 metrics and surpassing the SOTA on the high IoU metric (R@1, IoU=0.7). First, we propose to use a multi-head…

计算机视觉与模式识别 · 计算机科学 2020-09-11 Xinli Yu , Mohsen Malmir , Cynthia He , Yue Liu , Rex Wu