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Related papers: Video Instance Matting

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Modeling temporal visual context across frames is critical for video instance segmentation (VIS) and other video understanding tasks. In this paper, we propose a fast online VIS model named CrossVIS. For temporal information modeling in…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Shusheng Yang , Yuxin Fang , Xinggang Wang , Yu Li , Chen Fang , Ying Shan , Bin Feng , Wenyu Liu

Instruction following is crucial in contemporary LLM. However, when extended to multimodal setting, it often suffers from misalignment between specific textual instruction and targeted local region of an image. To achieve more accurate and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Jinliang Zheng , Jianxiong Li , Sijie Cheng , Yinan Zheng , Jiaming Li , Jihao Liu , Yu Liu , Jingjing Liu , Xianyuan Zhan

Recently, video object segmentation (VOS) networks typically use memory-based methods: for each query frame, the mask is predicted by space-time matching to memory frames. Despite these methods having superior performance, they suffer from…

Computer Vision and Pattern Recognition · Computer Science 2024-05-08 Yadang Chen , Wentao Zhu , Zhi-Xin Yang , Enhua Wu

Existing benchmarks for Vision-Language Models (VLMs) primarily evaluate spatio-temporal understanding on simple single-action videos, closed attribute sets and restricted entity types, failing to capture the freeform, multi-action…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Alejandro Aparcedo , Akash Kumar , Aaryan Garg , Dalton Pham , Wen-Kai Chen , Anirudh Bharadwaj , Aman Chadha , Yogesh Rawat

In this paper, we introduce MINTIME, a video deepfake detection approach that captures spatial and temporal anomalies and handles instances of multiple people in the same video and variations in face sizes. Previous approaches disregard…

Computer Vision and Pattern Recognition · Computer Science 2022-12-08 Davide Alessandro Coccomini , Giorgos Kordopatis Zilos , Giuseppe Amato , Roberto Caldelli , Fabrizio Falchi , Symeon Papadopoulos , Claudio Gennaro

The whole slide image (WSI) classification is often formulated as a multiple instance learning (MIL) problem. Since the positive tissue is only a small fraction of the gigapixel WSI, existing MIL methods intuitively focus on identifying…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Wenhao Tang , Sheng Huang , Xiaoxian Zhang , Fengtao Zhou , Yi Zhang , Bo Liu

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…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Yiran Wang , Zhiyu Pan , Xingyi Li , Zhiguo Cao , Ke Xian , Jianming Zhang

Labeling pixel-wise object masks in videos is a resource-intensive and laborious process. Box-supervised Video Instance Segmentation (VIS) methods have emerged as a viable solution to mitigate the labor-intensive annotation process. . In…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Zhangjing Yang , Dun Liu , Wensheng Cheng , Jinqiao Wang , Yi Wu

Irregular Multivariate Time Series (IMTS) forecasting is challenging due to the unaligned nature of multi-channel signals and the prevalence of extensive missing data. Existing methods struggle to capture reliable temporal patterns from…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Zhangyi Hu , Jiemin Wu , Hua Xu , Mingqian Liao , Ninghui Feng , Bo Gao , Songning Lai , Yutao Yue

In recent years, online Video Instance Segmentation (VIS) methods have shown remarkable advancement with their powerful query-based detectors. Utilizing the output queries of the detector at the frame-level, these methods achieve high…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Hanjung Kim , Jaehyun Kang , Miran Heo , Sukjun Hwang , Seoung Wug Oh , Seon Joo Kim

We present an approach to efficiently and effectively adapt a masked image modeling (MIM) pre-trained vanilla Vision Transformer (ViT) for object detection, which is based on our two novel observations: (i) A MIM pre-trained vanilla ViT…

Computer Vision and Pattern Recognition · Computer Science 2022-05-20 Yuxin Fang , Shusheng Yang , Shijie Wang , Yixiao Ge , Ying Shan , Xinggang Wang

Medical video segmentation gains increasing attention in clinical practice due to the redundant dynamic references in video frames. However, traditional convolutional neural networks have a limited receptive field and transformer-based…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Yijun Yang , Zhaohu Xing , Lequan Yu , Chunwang Huang , Huazhu Fu , Lei Zhu

Recent advances in AI-generated content (AIGC) have led to the emergence of powerful text-to-video generation models. Despite these successes, evaluating the quality of AIGC-generated videos remains challenging due to limited…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Xuanyu Zhang , Weiqi Li , Shijie Zhao , Junlin Li , Li Zhang , Jian Zhang

Detecting what has changed in an environment is essential for long-term autonomy, yet most change detection settings assume fixed viewpoints, mild misalignment, or only a few changed objects. We introduce Video-based Scene Change Detection…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Jiae Yoon , Ue-Hwan Kim

Recently, transformer-based image segmentation methods have achieved notable success against previous solutions. While for video domains, how to effectively model temporal context with the attention of object instances across frames remains…

Computer Vision and Pattern Recognition · Computer Science 2022-06-08 Xiang Li , Jinglu Wang , Xiao Li , Yan Lu

Video Instance Segmentation (VIS) is a task that simultaneously requires classification, segmentation, and instance association in a video. Recent VIS approaches rely on sophisticated pipelines to achieve this goal, including RoI-related…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Zhengkai Jiang , Zhangxuan Gu , Jinlong Peng , Hang Zhou , Liang Liu , Yabiao Wang , Ying Tai , Chengjie Wang , Liqing Zhang

Video instance segmentation (VIS) is a challenging vision task that aims to detect, segment, and track objects in videos. Conventional VIS methods rely on densely-annotated object masks which are expensive. We reduce the human annotations…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Shuaiyi Huang , De-An Huang , Zhiding Yu , Shiyi Lan , Subhashree Radhakrishnan , Jose M. Alvarez , Abhinav Shrivastava , Anima Anandkumar

Image matching is a fundamental computer vision problem. While learning-based methods achieve state-of-the-art performance on existing benchmarks, they generalize poorly to in-the-wild images. Such methods typically need to train separate…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Xuelun Shen , Zhipeng Cai , Wei Yin , Matthias Müller , Zijun Li , Kaixuan Wang , Xiaozhi Chen , Cheng Wang

Exploring dense matching between the current frame and past frames for long-range context modeling, memory-based methods have demonstrated impressive results in video object segmentation (VOS) recently. Nevertheless, due to the lack of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Junke Wang , Dongdong Chen , Zuxuan Wu , Chong Luo , Chuanxin Tang , Xiyang Dai , Yucheng Zhao , Yujia Xie , Lu Yuan , Yu-Gang Jiang

Instance segmentation with neural networks is an essential task in environment perception. In many works, it has been observed that neural networks can predict false positive instances with high confidence values and true positives with low…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Kira Maag , Matthias Rottmann , Serin Varghese , Fabian Hueger , Peter Schlicht , Hanno Gottschalk