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Annotating lidar point clouds for autonomous driving is a notoriously expensive and time-consuming task. In this work, we show that the quality of recent self-supervised lidar scan representations allows a great reduction of the annotation…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Nermin Samet , Gilles Puy , Oriane Siméoni , Renaud Marlet

It is a long-term vision for Autonomous Driving (AD) community that the perception models can learn from a large-scale point cloud dataset, to obtain unified representations that can achieve promising results on different tasks or…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Jiakang Yuan , Bo Zhang , Xiangchao Yan , Tao Chen , Botian Shi , Yikang Li , Yu Qiao

Surgical data science is a new research field that aims to observe all aspects of the patient treatment process in order to provide the right assistance at the right time. Due to the breakthrough successes of deep learning-based solutions…

In the domain of single-view 3D reconstruction, traditional techniques have frequently relied on expensive and time-intensive 3D annotation data. Facing the challenge of annotation acquisition, semi-supervised learning strategies offer an…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Wei Zhoua , Xinzhe Shia , Yunfeng Shea , Kunlong Liua , Yongqin Zhanga

Large-scale vision 2D vision language models, such as CLIP can be aligned with a 3D encoder to learn generalizable (open-vocabulary) 3D vision models. However, current methods require supervised pre-training for such alignment, and the…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Amaya Dharmasiri , Muzammal Naseer , Salman Khan , Fahad Shahbaz Khan

The annotation of 3D datasets is required for semantic-segmentation and object detection in scene understanding. In this paper we present a framework for the weakly supervision of a point clouds transformer that is used for 3D object…

计算机视觉与模式识别 · 计算机科学 2024-01-22 Zuojin Tang , Bo Sun , Tongwei Ma , Daosheng Li , Zhenhui Xu

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

Large-scale labeled data are generally required to train deep neural networks in order to obtain better performance in visual feature learning from images or videos for computer vision applications. To avoid extensive cost of collecting and…

计算机视觉与模式识别 · 计算机科学 2019-02-19 Longlong Jing , Yingli Tian

High-quality labeled datasets are essential for deep learning. Traditional manual annotation methods are not only costly and inefficient but also pose challenges in specialized domains where expert knowledge is needed. Self-supervised…

计算机视觉与模式识别 · 计算机科学 2023-11-16 Zhaocong liu , Fa Zhang , Lin Cheng , Huanxi Deng , Xiaoyan Yang , Zhenyu Zhang , Chichun Zhou

Manual annotation of large-scale point cloud dataset for varying tasks such as 3D object classification, segmentation and detection is often laborious owing to the irregular structure of point clouds. Self-supervised learning, which…

计算机视觉与模式识别 · 计算机科学 2022-03-25 Mohamed Afham , Isuru Dissanayake , Dinithi Dissanayake , Amaya Dharmasiri , Kanchana Thilakarathna , Ranga Rodrigo

Plankton recognition is an important computer vision problem due to plankton's essential role in ocean food webs and carbon capture, highlighting the need for species-level monitoring. However, this task is challenging due to its…

计算机视觉与模式识别 · 计算机科学 2025-05-12 Joona Kareinen , Tuomas Eerola , Kaisa Kraft , Lasse Lensu , Sanna Suikkanen , Heikki Kälviäinen

Understanding the 3D world without supervision is currently a major challenge in computer vision as the annotations required to supervise deep networks for tasks in this domain are expensive to obtain on a large scale. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Octave Mariotti , Oisin Mac Aodha , Hakan Bilen

3D object detection has become indispensable in the field of autonomous driving. To date, gratifying breakthroughs have been recorded in 3D object detection research, attributed to deep learning. However, deep learning algorithms are…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Yucheng Zhang , Masaki Fukuda , Yasunori Ishii , Kyoko Ohshima , Takayoshi Yamashita

Just like other few-shot learning problems, few-shot segmentation aims to minimize the need for manual annotation, which is particularly costly in segmentation tasks. Even though the few-shot setting reduces this cost for novel test…

计算机视觉与模式识别 · 计算机科学 2021-11-04 Mustafa Sercan Amac , Ahmet Sencan , Orhun Bugra Baran , Nazli Ikizler-Cinbis , Ramazan Gokberk Cinbis

Many successful methods developed for medical image analysis that are based on machine learning use supervised learning approaches, which often require large datasets annotated by experts to achieve high accuracy. However, medical data…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Banafshe Felfeliyan , Abhilash Hareendranathan , Gregor Kuntze , David Cornell , Nils D. Forkert , Jacob L. Jaremko , Janet L. Ronsky

Deep co-training has recently been proposed as an effective approach for image segmentation when annotated data is scarce. In this paper, we improve existing approaches for semi-supervised segmentation with a self-paced and self-consistent…

计算机视觉与模式识别 · 计算机科学 2021-07-15 Ping Wang , Jizong Peng , Marco Pedersoli , Yuanfeng Zhou , Caiming Zhang , Christian Desrosiers

Semantic segmentation of LiDAR point clouds is an important task in autonomous driving. However, training deep models via conventional supervised methods requires large datasets which are costly to label. It is critical to have…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Minghua Liu , Yin Zhou , Charles R. Qi , Boqing Gong , Hao Su , Dragomir Anguelov

In medical image segmentation, supervised deep networks' success comes at the cost of requiring abundant labeled data. While asking domain experts to annotate only one or a few of the cohort's images is feasible, annotating all available…

计算机视觉与模式识别 · 计算机科学 2021-10-06 Devavrat Tomar , Behzad Bozorgtabar , Manana Lortkipanidze , Guillaume Vray , Mohammad Saeed Rad , Jean-Philippe Thiran

Training deep neural networks to estimate the viewpoint of objects requires large labeled training datasets. However, manually labeling viewpoints is notoriously hard, error-prone, and time-consuming. On the other hand, it is relatively…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Siva Karthik Mustikovela , Varun Jampani , Shalini De Mello , Sifei Liu , Umar Iqbal , Carsten Rother , Jan Kautz

Semantic segmentation of 3D point cloud data often comes with high annotation costs. Active learning automates the process of selecting which data to annotate, reducing the total amount of annotation needed to achieve satisfactory…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Johannes Meyer , Jasper Hoffmann , Felix Schulz , Dominik Merkle , Daniel Buescher , Alexander Reiterer , Joschka Boedecker , Wolfram Burgard