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Image-text retrieval (ITR) is a challenging task in the field of multimodal information processing due to the semantic gap between different modalities. In recent years, researchers have made great progress in exploring the accurate…

计算机视觉与模式识别 · 计算机科学 2022-12-19 Jie Guo , Meiting Wang , Yan Zhou , Bin Song , Yuhao Chi , Wei Fan , Jianglong Chang

We present an Object-aware Feature Aggregation (OFA) module for video object detection (VID). Our approach is motivated by the intriguing property that video-level object-aware knowledge can be employed as a powerful semantic prior to help…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Qichuan Geng , Hong Zhang , Na Jiang , Xiaojuan Qi , Liangjun Zhang , Zhong Zhou

Image alignment by mesh warps, such as meshflow, is a fundamental task which has been widely applied in various vision applications(e.g., multi-frame HDR/denoising, video stabilization). Traditional mesh warp methods detect and match image…

计算机视觉与模式识别 · 计算机科学 2019-12-12 Nianjin Ye , Chuan Wang , Shuaicheng Liu , Lanpeng Jia , Jue Wang , Yongqing Cui

In this paper, we introduce a novel network, called discriminative feature network (DFNet), to address the unsupervised video object segmentation task. To capture the inherent correlation among video frames, we learn discriminative features…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Mingmin Zhen , Shiwei Li , Lei Zhou , Jiaxiang Shang , Haoan Feng , Tian Fang , Long Quan

Material properties such as permeability fields in heterogeneous porous media are often represented as discontinuous, piecewise constant data tied to a given spatial discretization. Such representations are inherently mesh-dependent,…

数值分析 · 数学 2026-05-19 Kapil Chawla , Sanghyun Lee , Yeonjong Shin

We present MetaUVFS as the first Unsupervised Meta-learning algorithm for Video Few-Shot action recognition. MetaUVFS leverages over 550K unlabeled videos to train a two-stream 2D and 3D CNN architecture via contrastive learning to capture…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Jay Patravali , Gaurav Mittal , Ye Yu , Fuxin Li , Mei Chen

Deformable medical image registration is a crucial aspect of medical image analysis. In recent years, researchers have begun leveraging auxiliary tasks (such as supervised segmentation) to provide anatomical structure information for the…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Hongchao Zhou , Shunbo Hu

Optical flow estimation has made great progress, but usually suffers from degradation under adverse weather. Although semi/full-supervised methods have made good attempts, the domain shift between the synthetic and real adverse weather…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Hanyu Zhou , Yi Chang , Gang Chen , Luxin Yan

Point cloud sequences are commonly used to accurately detect 3D objects in applications such as autonomous driving. Current top-performing multi-frame detectors mostly follow a Detect-and-Fuse framework, which extracts features from each…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Chenhang He , Ruihuang Li , Yabin Zhang , Shuai Li , Lei Zhang

Extending state-of-the-art object detectors from image to video is challenging. The accuracy of detection suffers from degenerated object appearances in videos, e.g., motion blur, video defocus, rare poses, etc. Existing work attempts to…

计算机视觉与模式识别 · 计算机科学 2017-08-21 Xizhou Zhu , Yujie Wang , Jifeng Dai , Lu Yuan , Yichen Wei

Transferring existing image-based detectors to the video is non-trivial since the quality of frames is always deteriorated by part occlusion, rare pose, and motion blur. Previous approaches exploit to propagate and aggregate features across…

计算机视觉与模式识别 · 计算机科学 2020-07-17 Zhengkai Jiang , Yu Liu , Ceyuan Yang , Jihao Liu , Peng Gao , Qian Zhang , Shiming Xiang , Chunhong Pan

Dynamic scene understanding is one of the most conspicuous field of interest among computer vision community. In order to enhance dynamic scene understanding, pixel-wise segmentation with neural networks is widely accepted. The latest…

计算机视觉与模式识别 · 计算机科学 2024-02-15 Ge Shi , Zhili Yang

In this paper, we propose Factorized Adversarial Networks (FAN) to solve unsupervised domain adaptation problems for image classification tasks. Our networks map the data distribution into a latent feature space, which is factorized into a…

计算机视觉与模式识别 · 计算机科学 2018-06-06 Jian Ren , Jianchao Yang , Ning Xu , David J. Foran

3D object detection based on LiDAR-camera fusion is becoming an emerging research theme for autonomous driving. However, it has been surprisingly difficult to effectively fuse both modalities without information loss and interference. To…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Guojun Wang , Bin Tian , Yachen Zhang , Long Chen , Dongpu Cao , Jian Wu

Interactive Video Object Segmentation (iVOS) is a challenging task that requires real-time human-computer interaction. To improve the user experience, it is important to consider the user's input habits, segmentation quality, running time…

计算机视觉与模式识别 · 计算机科学 2025-02-10 Kexin Li , Tao Jiang , Zongxin Yang , Yi Yang , Yueting Zhuang , Jun Xiao

We present an algorithm (SOFAS) to estimate the optical flow of events generated by a dynamic vision sensor (DVS). Where traditional cameras produce frames at a fixed rate, DVSs produce asynchronous events in response to intensity changes…

计算机视觉与模式识别 · 计算机科学 2018-06-01 Timo Stoffregen , Lindsay Kleeman

The objective of joint rate allocation among multiple coded video streams is to share the bandwidth to meet the demands of minimum average distortion (minAVE) or minimum distortion variance (minVAR). In previous works on minVAR problems,…

多媒体 · 计算机科学 2018-03-16 Hongfei Fan , Lin Ding , Xiaodong Xie , Huizhu Jia , Wen Gao

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

This paper focuses on developing a more effective method of hierarchical propagation for semi-supervised Video Object Segmentation (VOS). Based on vision transformers, the recently-developed Associating Objects with Transformers (AOT)…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Zongxin Yang , Yi Yang

In this paper, we show that transferring knowledge from other domains of video understanding combined with large-scale learning can improve robustness of Video Object Segmentation (VOS) under complex circumstances. Namely, we focus on…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Volodymyr Fedynyak , Yaroslav Romanus , Oles Dobosevych , Igor Babin , Roman Riazantsev