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Recently, memory-based approaches show promising results on semi-supervised video object segmentation. These methods predict object masks frame-by-frame with the help of frequently updated memory of the previous mask. Different from this…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Kwanyong Park , Sanghyun Woo , Seoung Wug Oh , In So Kweon , Joon-Young Lee

Deep learning based salient object detection has recently achieved great success with its performance greatly outperforms any other unsupervised methods. However, annotating per-pixel saliency masks is a tedious and inefficient procedure.…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Guanbin Li , Yuan Xie , Liang Lin

Anomaly detection in videos is a significant yet challenging problem. Previous approaches based on deep neural networks employ either reconstruction-based or prediction-based approaches. Nevertheless, existing reconstruction-based methods…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Yizhou Wang , Can Qin , Yue Bai , Yi Xu , Xu Ma , Yun Fu

We propose a Spatiotemporal Sampling Network (STSN) that uses deformable convolutions across time for object detection in videos. Our STSN performs object detection in a video frame by learning to spatially sample features from the adjacent…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Gedas Bertasius , Lorenzo Torresani , Jianbo Shi

We address the highly challenging problem of video object segmentation. Given only the initial mask, the task is to segment the target in the subsequent frames. In order to effectively handle appearance changes and similar background…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Andreas Robinson , Felix Järemo Lawin , Martin Danelljan , Fahad Shahbaz Khan , Michael Felsberg

Instance level video object segmentation is an important technique for video editing and compression. To capture the temporal coherence, in this paper, we develop MaskRNN, a recurrent neural net approach which fuses in each frame the output…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Yuan-Ting Hu , Jia-Bin Huang , Alexander G. Schwing

One object class may show large variations due to diverse illuminations, backgrounds and camera viewpoints. Traditional object detection methods often perform worse under unconstrained video environments. To address this problem, many…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Dapeng Luo , Zhipeng Zeng , Nong Sang , Xiang Wu , Longsheng Wei , Quanzheng Mou , Jun Cheng , Chen Luo

Anomaly detection in videos refers to the identification of events that do not conform to expected behavior. However, almost all existing methods tackle the problem by minimizing the reconstruction errors of training data, which cannot…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Wen Liu , Weixin Luo , Dongze Lian , Shenghua Gao

Object detectors often experience a drop in performance when new environmental conditions are insufficiently represented in the training data. This paper studies how to automatically fine-tune a pre-existing object detector while exploring…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Gianluca Scarpellini , Stefano Rosa , Pietro Morerio , Lorenzo Natale , Alessio Del Bue

Despite the remarkable progress in recent years, detecting objects in a new context remains a challenging task. Detectors learned from a public dataset can only work with a fixed list of categories, while training from scratch usually…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Kai Chen , Hang Song , Chen Change Loy , Dahua Lin

A growing branch of computer vision is object detection. Object detection is used in many applications such as industrial process, medical imaging analysis, and autonomous vehicles. The ability to detect objects in videos is crucial. Object…

Computer Vision and Pattern Recognition · Computer Science 2021-05-28 Spencer Ploeger , Lucas Dasovic

Video object segmentation is challenging due to the factors like rapidly fast motion, cluttered backgrounds, arbitrary object appearance variation and shape deformation. Most existing methods only explore appearance information between two…

Computer Vision and Pattern Recognition · Computer Science 2016-12-28 Kaihua Zhang , Xuejun Li , Qingshan Liu

Video editing and synthesis often introduce object inconsistencies, such as frame flicker and identity drift that degrade perceptual quality. To address these issues, we introduce ObjectAlign, a novel framework that seamlessly blends…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Mustafa Munir , Harsh Goel , Xiwen Wei , Minkyu Choi , Sahil Shah , Kartikeya Bhardwaj , Paul Whatmough , Sandeep Chinchali , Radu Marculescu

This paper addresses the task of unsupervised video multi-object segmentation. Current approaches follow a two-stage paradigm: 1) detect object proposals using pre-trained Mask R-CNN, and 2) conduct generic feature matching for temporal…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Tianfei Zhou , Jianwu Li , Xueyi Li , Ling Shao

Most existing video moment retrieval methods rely on temporal sequences of frame- or clip-level features that primarily encode global visual and semantic information. However, such representations often fail to capture fine-grained object…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Zongyao Li , Yongkang Wong , Satoshi Yamazaki , Jianquan Liu , Mohan Kankanhalli

In this paper, we develop a new approach of spatially supervised recurrent convolutional neural networks for visual object tracking. Our recurrent convolutional network exploits the history of locations as well as the distinctive visual…

Computer Vision and Pattern Recognition · Computer Science 2016-07-21 Guanghan Ning , Zhi Zhang , Chen Huang , Zhihai He , Xiaobo Ren , Haohong Wang

Video object detection targets to simultaneously localize the bounding boxes of the objects and identify their classes in a given video. One challenge for video object detection is to consistently detect all objects across the whole video.…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Ye Lyu , Michael Ying Yang , George Vosselman , Gui-Song Xia

Pixelwise annotation of image sequences can be very tedious for humans. Interactive video object segmentation aims to utilize automatic methods to speed up the process and reduce the workload of the annotators. Most contemporary approaches…

Computer Vision and Pattern Recognition · Computer Science 2021-04-22 Viktor Varga , András Lőrincz

Video instance segmentation aims to detect, segment, and track objects in a video. Current approaches extend image-level segmentation algorithms to the temporal domain. However, this results in temporally inconsistent masks. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Anirudh S Chakravarthy , Won-Dong Jang , Zudi Lin , Donglai Wei , Song Bai , Hanspeter Pfister

We present an approach for object segmentation in videos that combines frame-level object detection with concepts from object tracking and motion segmentation. The approach extracts temporally consistent object tubes based on an…

Computer Vision and Pattern Recognition · Computer Science 2016-08-11 Benjamin Drayer , Thomas Brox