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Cotraining with demonstration data generated both in simulation and on real hardware has emerged as a promising recipe for scaling imitation learning in robotics. This work seeks to elucidate basic principles of this sim-and-real cotraining…

机器人学 · 计算机科学 2025-08-07 Adam Wei , Abhinav Agarwal , Boyuan Chen , Rohan Bosworth , Nicholas Pfaff , Russ Tedrake

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…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Paul Voigtlaender , Lishu Luo , Chun Yuan , Yong Jiang , Bastian Leibe

Pseudo-labeling is a key component in semi-supervised learning (SSL). It relies on iteratively using the model to generate artificial labels for the unlabeled data to train against. A common property among its various methods is that they…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Islam Nassar , Samitha Herath , Ehsan Abbasnejad , Wray Buntine , Gholamreza Haffari

Recently, deep learning has experienced rapid expansion, contributing significantly to the progress of supervised learning methodologies. However, acquiring labeled data in real-world settings can be costly, labor-intensive, and sometimes…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Jicheng Yuan , Anh Le-Tuan , Ali Ganbarov , Manfred Hauswirth , Danh Le-Phuoc

Designing learning-based no-reference (NR) video quality assessment (VQA) algorithms for camera-captured videos is cumbersome due to the requirement of a large number of human annotations of quality. In this work, we propose a…

图像与视频处理 · 电气工程与系统科学 2022-12-01 Shankhanil Mitra , Saiyam Jogani , Rajiv Soundararajan

Pretraining on large labeled datasets is a prerequisite to achieve good performance in many computer vision tasks like 2D object recognition, video classification etc. However, pretraining is not widely used for 3D recognition tasks where…

计算机视觉与模式识别 · 计算机科学 2021-01-08 Zaiwei Zhang , Rohit Girdhar , Armand Joulin , Ishan Misra

Existing approaches to unsupervised video instance segmentation typically rely on motion estimates and experience difficulties tracking small or divergent motions. We present VideoCutLER, a simple method for unsupervised multi-instance…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Xudong Wang , Ishan Misra , Ziyun Zeng , Rohit Girdhar , Trevor Darrell

Whilst the availability of 3D LiDAR point cloud data has significantly grown in recent years, annotation remains expensive and time-consuming, leading to a demand for semi-supervised semantic segmentation methods with application domains…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Li Li , Hubert P. H. Shum , Toby P. Breckon

While deep-learning based tracking methods have achieved substantial progress, they entail large-scale and high-quality annotated data for sufficient training. To eliminate expensive and exhaustive annotation, we study self-supervised…

计算机视觉与模式识别 · 计算机科学 2023-01-02 Xin Li , Wenjie Pei , Yaowei Wang , Zhenyu He , Huchuan Lu , Ming-Hsuan Yang

Object classification using LiDAR 3D point cloud data is critical for modern applications such as autonomous driving. However, labeling point cloud data is labor-intensive as it requires human annotators to visualize and inspect the 3D data…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Ziwei Wang , Reza Arablouei , Jiajun Liu , Paulo Borges , Greg Bishop-Hurley , Nicholas Heaney

We introduce ITTO, a challenging new benchmark suite for evaluating and diagnosing the capabilities and limitations of point tracking methods. Our videos are sourced from existing datasets and egocentric real-world recordings, with…

计算机视觉与模式识别 · 计算机科学 2025-10-23 Ilona Demler , Saumya Chauhan , Georgia Gkioxari

Recent progress in semi- and self-supervised learning has caused a rift in the long-held belief about the need for an enormous amount of labeled data for machine learning and the irrelevancy of unlabeled data. Although it has been…

机器学习 · 计算机科学 2023-03-14 Minwook Kim , Juseong Kim , Giltae Song

We introduce GoTrack, an efficient and accurate CAD-based method for 6DoF object pose refinement and tracking, which can handle diverse objects without any object-specific training. Unlike existing tracking methods that rely solely on an…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Van Nguyen Nguyen , Christian Forster , Sindi Shkodrani , Vincent Lepetit , Bugra Tekin , Cem Keskin , Tomas Hodan

We propose ProTracker, a novel framework for accurate and robust long-term dense tracking of arbitrary points in videos. Previous methods relying on global cost volumes effectively handle large occlusions and scene changes but lack…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Tingyang Zhang , Chen Wang , Zhiyang Dou , Qingzhe Gao , Jiahui Lei , Baoquan Chen , Lingjie Liu

We propose a hybrid framework for consistently producing high-quality object tracks by combining an automated object tracker with little human input. The key idea is to tailor a module for each dataset to intelligently decide when an object…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Samreen Anjum , Suyog Jain , Danna Gurari

Samples with ground truth labels may not always be available in numerous domains. While learning from crowdsourcing labels has been explored, existing models can still fail in the presence of sparse, unreliable, or diverging annotations.…

机器学习 · 计算机科学 2021-12-07 Mani Sotoodeh , Li Xiong , Joyce C. Ho

Temporal action segmentation in videos has drawn much attention recently. Timestamp supervision is a cost-effective way for this task. To obtain more information to optimize the model, the existing method generated pseudo frame-wise labels…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Yang Zhao , Yan Song

Semi- and weakly-supervised learning have recently attracted considerable attention in the object detection literature since they can alleviate the cost of annotation needed to successfully train deep learning models. State-of-art…

计算机视觉与模式识别 · 计算机科学 2022-06-20 Akhil Meethal , Marco Pedersoli , Zhongwen Zhu , Francisco Perdigon Romero , Eric Granger

Modern visual object trackers show impressive results on general targets, yet their performance drops substantially when dealing with scene text. Although currently underexplored, tracking text in videos is essential for dynamic text…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Chenmin Yu , Liu Yu , Daiqing Wu , Gengluo Li , Zeyu Chen , Yu Zhou

We propose an unsupervised visual tracking method in this paper. Different from existing approaches using extensive annotated data for supervised learning, our CNN model is trained on large-scale unlabeled videos in an unsupervised manner.…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Ning Wang , Yibing Song , Chao Ma , Wengang Zhou , Wei Liu , Houqiang Li