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Image Forgery Localization (IFL) technology aims to detect and locate the forged areas in an image, which is very important in the field of digital forensics. However, existing IFL methods suffer from feature degradation during training…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Yakun Niu , Pei Chen , Lei Zhang , Lei Tan , Yingjian Chen

Video objection detection (VID) has been a rising research direction in recent years. A central issue of VID is the appearance degradation of video frames caused by fast motion. This problem is essentially ill-posed for a single frame.…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Haiping Wu , Yuntao Chen , Naiyan Wang , Zhaoxiang Zhang

Understanding objects in videos in terms of fine-grained localization masks and detailed semantic properties is a fundamental task in video understanding. In this paper, we propose VoCap, a flexible video model that consumes a video and a…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Jasper Uijlings , Xingyi Zhou , Xiuye Gu , Arsha Nagrani , Anurag Arnab , Alireza Fathi , David Ross , Cordelia Schmid

Perceiving the world in terms of objects and tracking them through time is a crucial prerequisite for reasoning and scene understanding. Recently, several methods have been proposed for unsupervised learning of object-centric…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Marissa A. Weis , Kashyap Chitta , Yash Sharma , Wieland Brendel , Matthias Bethge , Andreas Geiger , Alexander S. Ecker

Contemporary state-of-the-art video object segmentation (VOS) models compare incoming unannotated images to a history of image-mask relations via affinity or cross-attention to predict object masks. We refer to the internal memory state of…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Clayton Bromley , Alexander Moore , Amar Saini , Douglas Poland , Carmen Carrano

Segmenting foreground object from a video is a challenging task because of the large deformations of the objects, occlusions, and background clutter. In this paper, we propose a frame-by-frame but computationally efficient approach for…

计算机视觉与模式识别 · 计算机科学 2017-06-30 Aditya Vora , Shanmuganathan Raman

The main challenge of Multiple Object Tracking (MOT) is the efficiency in associating indefinite number of objects between video frames. Standard motion estimators used in tracking, e.g., Long Short Term Memory (LSTM), only deal with single…

计算机视觉与模式识别 · 计算机科学 2019-05-08 Jimuyang Zhang , Sanping Zhou , Jinjun Wang , Dong Huang

Amodal instance segmentation, which aims to detect and segment both visible and invisible parts of objects in images, plays a crucial role in various applications including autonomous driving, robotic manipulation, and scene understanding.…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Wei-En Tai , Yu-Lin Shih , Cheng Sun , Yu-Chiang Frank Wang , Hwann-Tzong Chen

Techniques for detecting mirrors from static images have witnessed rapid growth in recent years. However, these methods detect mirrors from single input images. Detecting mirrors from video requires further consideration of temporal…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Mingchen Xu , Jing Wu , Yukun Lai , Ze Ji

Compared with object detection in static images, object detection in videos is more challenging due to degraded image qualities. An effective way to address this problem is to exploit temporal contexts by linking the same object across…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Peng Tang , Chunyu Wang , Xinggang Wang , Wenyu Liu , Wenjun Zeng , Jingdong Wang

Consecutive frames in a video are highly redundant. Therefore, to perform the task of video object detection, executing single frame detectors on every frame without reusing any information is quite wasteful. It is with this idea in mind…

计算机视觉与模式识别 · 计算机科学 2020-04-03 Hughes Perreault , Maguelonne Héritier , Pierre Gravel , Guillaume-Alexandre Bilodeau , Nicolas Saunier

Recently, trimap-free methods have drawn increasing attention in human video matting due to their promising performance. Nevertheless, these methods still suffer from the lack of deterministic foreground-background cues, which impairs their…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Huayu Zhang , Dongyue Wu , Yuanjie Shao , Nong Sang , Changxin Gao

Violence detection in surveillance videos is a critical task for ensuring public safety. As a result, there is increasing need for efficient and lightweight systems for automatic detection of violent behaviours. In this work, we propose an…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Himanshu Mittal , Suvramalya Basak , Anjali Gautam

In recent years, object-oriented simultaneous localization and mapping (SLAM) has attracted increasing attention due to its ability to provide high-level semantic information while maintaining computational efficiency. Some researchers have…

机器人学 · 计算机科学 2024-02-27 Yutong Wang , Chaoyang Jiang , Xieyuanli Chen

Video object segmentation, aiming to segment the foreground objects given the annotation of the first frame, has been attracting increasing attentions. Many state-of-the-art approaches have achieved great performance by relying on online…

计算机视觉与模式识别 · 计算机科学 2021-07-12 Siyue Yu , Jimin Xiao , BingFeng Zhang , Eng Gee Lim

High-performance object detection relies on expensive convolutional networks to compute features, often leading to significant challenges in applications, e.g. those that require detecting objects from video streams in real time. The key to…

计算机视觉与模式识别 · 计算机科学 2018-04-17 Kai Chen , Jiaqi Wang , Shuo Yang , Xingcheng Zhang , Yuanjun Xiong , Chen Change Loy , Dahua Lin

Semi-supervised video anomaly detection methods face two critical challenges: (1) Strong generalization blurs the boundary between normal and abnormal patterns. Although existing approaches attempt to alleviate this issue using memory…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Juntong Li , Lingwei Dang , Qingxin Xiao , Shishuo Shang , Jiajia Cheng , Haomin Wu , Yun Hao , Qingyao Wu

The current popular methods for video object segmentation (VOS) implement feature matching through several hand-crafted modules that separately perform feature extraction and matching. However, the above hand-crafted designs empirically…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Qiangqiang Wu , Tianyu Yang , Wei WU , Antoni Chan

Inspired by the recent development of deep network-based methods in semantic image segmentation, we introduce an end-to-end trainable model for face mask extraction in video sequence. Comparing to landmark-based sparse face shape…

计算机视觉与模式识别 · 计算机科学 2021-03-02 Yujiang Wang , Bingnan Luo , Jie Shen , Maja Pantic

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