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Related papers: Video Region Annotation with Sparse Bounding Boxes

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Video segmentation -- partitioning video frames into multiple segments or objects -- plays a critical role in a broad range of practical applications, from enhancing visual effects in movie, to understanding scenes in autonomous driving, to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Tianfei Zhou , Fatih Porikli , David Crandall , Luc Van Gool , Wenguan Wang

Long-context video understanding and generation pose a significant computational challenge for Transformer-based video models due to the quadratic complexity of self-attention. While existing sparse attention methods employ coarse-grained…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Anmin Liu , Ruixuan Yang , Huiqiang Jiang , Bin Lin , Minmin Sun , Yong Li , Chen Zhang , Tao Xie

Convolutional neural network inference on video data requires powerful hardware for real-time processing. Given the inherent coherence across consecutive frames, large parts of a video typically change little. By skipping identical image…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Mathias Parger , Chengcheng Tang , Christopher D. Twigg , Cem Keskin , Robert Wang , Markus Steinberger

Segmentation, i.e., the partitioning of volumetric data into components, is a crucial task in many image processing applications ever since such data could be generated. Most existing applications nowadays, specifically CNNs, make use of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Thomas Lang , Tomas Sauer

In this paper, we propose an end-to-end 3D CNN for action detection and segmentation in videos. The proposed architecture is a unified deep network that is able to recognize and localize action based on 3D convolution features. A video is…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Rui Hou , Chen Chen , Mubarak Shah

For further progress in video object segmentation (VOS), larger, more diverse, and more challenging datasets will be necessary. However, densely labeling every frame with pixel masks does not scale to large datasets. We use a deep…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Paul Voigtlaender , Lishu Luo , Chun Yuan , Yong Jiang , Bastian Leibe

Though deep learning based scene text detection has achieved great progress, well-trained detectors suffer from severe performance degradation for different domains. In general, a tremendous amount of data is indispensable to train the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Yudi Chen , Wei Wang , Yu Zhou , Fei Yang , Dongbao Yang , Weiping Wang

Scene Graph Generation (SGG) aims to extract entities, predicates and their semantic structure from images, enabling deep understanding of visual content, with many applications such as visual reasoning and image retrieval. Nevertheless,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Alireza Zareian , Svebor Karaman , Shih-Fu Chang

When pixel-level masks or partial annotations are not available for training neural networks for semantic segmentation, it is possible to use higher-level information in the form of bounding boxes, or image tags. In the imaging sciences,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Bas Peters

Convolutional Neural Networks (CNNs) have revolutionized the understanding of visual content. This is mainly due to their ability to break down an image into smaller pieces, extract multi-scale localized features and compose them to…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Zachary Wharton , Ardhendu Behera , Asish Bera

Fully convolutional neural networks (FCNNs) trained on a large number of images with strong pixel-level annotations have become the new state of the art for the semantic segmentation task. While there have been recent attempts to learn…

Computer Vision and Pattern Recognition · Computer Science 2017-04-24 Pavel Tokmakov , Karteek Alahari , Cordelia Schmid

Point cloud segmentation with scene-level annotations is a promising but challenging task. Currently, the most popular way is to employ the class activation map (CAM) to locate discriminative regions and then generate point-level pseudo…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Zhuheng Lu , Peng Zhang , Yuewei Dai , Weiqing Li , Zhiyong Su

Automatic generation of video captions is a fundamental challenge in computer vision. Recent techniques typically employ a combination of Convolutional Neural Networks (CNNs) and Recursive Neural Networks (RNNs) for video captioning. These…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Nayyer Aafaq , Naveed Akhtar , Wei Liu , Syed Zulqarnain Gilani , Ajmal Mian

Annotating object ground truth in videos is vital for several downstream tasks in robot perception and machine learning, such as for evaluating the performance of an object tracker or training an image-based object detector. The accuracy of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Eric Price , Aamir Ahmad

This paper proposes a deep learning model to efficiently detect salient regions in videos. It addresses two important issues: (1) deep video saliency model training with the absence of sufficiently large and pixel-wise annotated video data,…

Computer Vision and Pattern Recognition · Computer Science 2017-12-12 Wenguan Wang , Jianbing Shen , Ling Shao

Recent advances in deep learning greatly boost the performance of object detection. State-of-the-art methods such as Faster-RCNN, FPN and R-FCN have achieved high accuracy in challenging benchmark datasets. However, these methods require…

Computer Vision and Pattern Recognition · Computer Science 2019-08-15 Hao Yang , Hao Wu , Hao Chen

Towards building comprehensive real-world visual perception systems, we propose and study a new problem called panoptic scene graph generation (PVSG). PVSG relates to the existing video scene graph generation (VidSGG) problem, which focuses…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Jingkang Yang , Wenxuan Peng , Xiangtai Li , Zujin Guo , Liangyu Chen , Bo Li , Zheng Ma , Kaiyang Zhou , Wayne Zhang , Chen Change Loy , Ziwei Liu

With the rise of mobile video consumption on diverse handheld display resolutions and orientation modes, altering videos to aspect ratios poses challenges. Static cropping and border padding often compromises visual quality, while warping…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Cheng-Han Lee , Maniratnam Mandal , Neil Birkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik

This paper explores object detection in the small data regime, where only a limited number of annotated bounding boxes are available due to data rarity and annotation expense. This is a common challenge today with machine learning being…

Computer Vision and Pattern Recognition · Computer Science 2019-10-17 Lanlan Liu , Michael Muelly , Jia Deng , Tomas Pfister , Li-Jia Li

Few-shot video object segmentation aims to reduce annotation costs; however, existing methods still require abundant dense frame annotations for training, which are scarce in the medical domain. We investigate an extremely low-data regime…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Zixuan Zheng , Yilei Shi , Chunlei Li , Jingliang Hu , Xiao Xiang Zhu , Lichao Mou