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Detecting breast lesion in videos is crucial for computer-aided diagnosis. Existing video-based breast lesion detection approaches typically perform temporal feature aggregation of deep backbone features based on the self-attention…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Chao Qin , Jiale Cao , Huazhu Fu , Rao Muhammad Anwer , Fahad Shahbaz Khan

In recent years, deep learning has achieved promising success for multimedia quality assessment, especially for image quality assessment (IQA). However, since there exist more complex temporal characteristics in videos, very little work has…

图像与视频处理 · 电气工程与系统科学 2020-09-09 Wei Zhou , Zhibo Chen

Temporal consistency is the key challenge of video depth estimation. Previous works are based on additional optical flow or camera poses, which is time-consuming. By contrast, we derive consistency with less information. Since videos…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Yiran Wang , Zhiyu Pan , Xingyi Li , Zhiguo Cao , Ke Xian , Jianming Zhang

Point cloud sequences are irregular and unordered in the spatial dimension while exhibiting regularities and order in the temporal dimension. Therefore, existing grid based convolutions for conventional video processing cannot be directly…

计算机视觉与模式识别 · 计算机科学 2022-05-30 Hehe Fan , Xin Yu , Yuhang Ding , Yi Yang , Mohan Kankanhalli

The explosive growth in video streaming gives rise to challenges on performing video understanding at high accuracy and low computation cost. Conventional 2D CNNs are computationally cheap but cannot capture temporal relationships; 3D CNN…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Ji Lin , Chuang Gan , Song Han

How to effectively and efficiently deal with spatio-temporal event streams, where the events are generally sparse and non-uniform and have the microsecond temporal resolution, is of great value and has various real-life applications.…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Man Yao , Huanhuan Gao , Guangshe Zhao , Dingheng Wang , Yihan Lin , Zhaoxu Yang , Guoqi Li

Multivariate Time Series (MTS) forecasting plays a vital role in a wide range of applications. Recently, Spatial-Temporal Graph Neural Networks (STGNNs) have become increasingly popular MTS forecasting methods. STGNNs jointly model the…

机器学习 · 计算机科学 2022-08-17 Zezhi Shao , Zhao Zhang , Fei Wang , Yongjun Xu

Unsupervised multi-object scene decomposition is a fast-emerging problem in representation learning. Despite significant progress in static scenes, such models are unable to leverage important dynamic cues present in video. We propose a…

计算机视觉与模式识别 · 计算机科学 2020-06-29 Polina Zablotskaia , Edoardo A. Dominici , Leonid Sigal , Andreas M. Lehrmann

Recent advances in visual tracking showed that deep Convolutional Neural Networks (CNN) trained for image classification can be strong feature extractors for discriminative trackers. However, due to the drastic difference between image…

计算机视觉与模式识别 · 计算机科学 2017-05-31 Jimmy Ren , Zhiyang Yu , Jianbo Liu , Rui Zhang , Wenxiu Sun , Jiahao Pang , Xiaohao Chen , Qiong Yan

3D convolutional neural networks have achieved promising results for video tasks in computer vision, including video saliency prediction that is explored in this paper. However, 3D convolution encodes visual representation merely on fixed…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Ziqiang Wang , Zhi Liu , Gongyang Li , Yang Wang , Tianhong Zhang , Lihua Xu , Jijun Wang

Spatio-temporal graph neural networks (STGNNs) have gained popularity as a powerful tool for effectively modeling spatio-temporal dependencies in diverse real-world urban applications, including intelligent transportation and public safety.…

机器学习 · 计算机科学 2023-10-27 Jiabin Tang , Lianghao Xia , Chao Huang

In low-altitude surveillance and early warning systems, detecting weak moving targets remains a significant challenge due to low signal energy, small spatial extent, and complex background clutter. Existing methods struggle with extracting…

计算机视觉与模式识别 · 计算机科学 2025-07-24 Weihua Gao , Chunxu Ren , Wenlong Niu , Xiaodong Peng

Nowadays, navigation and ride-sharing apps have collected numerous images with spatio-temporal data. A core technology for analyzing such images, associated with spatiotemporal information, is Traffic Scene Understanding (TSU), which aims…

多媒体 · 计算机科学 2025-11-13 Jingtian Ma , Jingyuan Wang , Wayne Xin Zhao , Guoping Liu , Xiang Wen

In this paper, we present a novel robust framework for low-level vision tasks, including denoising, object removal, frame interpolation, and super-resolution, that does not require any external training data corpus. Our proposed approach…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Gaurav Shrivastava , Ser-Nam Lim , Abhinav Shrivastava

Video inpainting aims to fill the given spatiotemporal holes with realistic appearance but is still a challenging task even with prosperous deep learning approaches. Recent works introduce the promising Transformer architecture into deep…

计算机视觉与模式识别 · 计算机科学 2021-04-15 Rui Liu , Hanming Deng , Yangyi Huang , Xiaoyu Shi , Lewei Lu , Wenxiu Sun , Xiaogang Wang , Jifeng Dai , Hongsheng Li

Semantic segmentation has achieved great accuracy in understanding spatial layout. For real-time tasks based on dynamic scenes, we extend semantic segmentation in temporal domain to enhance the spatial accuracy with motion. We utilize a…

计算机视觉与模式识别 · 计算机科学 2022-02-18 Guo Cheng , Jiang Yu Zheng

We present a new data-driven video inpainting method for recovering missing regions of video frames. A novel deep learning architecture is proposed which contains two sub-networks: a temporal structure inference network and a spatial detail…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Chuan Wang , Haibin Huang , Xiaoguang Han , Jue Wang

Remote sensing target detection aims to identify and locate critical targets within remote sensing images, finding extensive applications in agriculture and urban planning. Feature pyramid networks (FPNs) are commonly used to extract…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Hanqian Li , Ruinan Zhang , Ye Pan , Junchi Ren , Fei Shen

Learning descriptive spatio-temporal object models from data is paramount for the task of semi-supervised video object segmentation. Most existing approaches mainly rely on models that estimate the segmentation mask based on a reference…

计算机视觉与模式识别 · 计算机科学 2019-03-29 Sergi Caelles , Albert Pumarola , Francesc Moreno-Noguer , Alberto Sanfeliu , Luc Van Gool

Existing methods for instance segmentation in videos typically involve multi-stage pipelines that follow the tracking-by-detection paradigm and model a video clip as a sequence of images. Multiple networks are used to detect objects in…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Ali Athar , Sabarinath Mahadevan , Aljoša Ošep , Laura Leal-Taixé , Bastian Leibe