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Deep supervised hashing has emerged as an influential solution to large-scale semantic image retrieval problems in computer vision. In the light of recent progress, convolutional neural network based hashing methods typically seek pair-wise…

Computer Vision and Pattern Recognition · Computer Science 2018-03-13 Xuefei Zhe , Shifeng Chen , Hong Yan

3D object detection aims to recover the 3D information of concerning objects and serves as the fundamental task of autonomous driving perception. Its performance greatly depends on the scale of labeled training data, yet it is costly to…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Shuai Zeng , Wenzhao Zheng , Jiwen Lu , Haibin Yan

The deficiency of 3D segmentation labels is one of the main obstacles to effective point cloud segmentation, especially for scenes in the wild with varieties of different objects. To alleviate this issue, we propose a novel deep graph…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Haiyan Wang , Xuejian Rong , Liang Yang , Jinglun Feng , Jizhong Xiao , Yingli Tian

Weakly supervised semantic segmentation (WSSS) aims at learning a semantic segmentation model with only image-level tags. Despite intensive research on deep learning approaches over a decade, there is still a significant performance gap…

Computer Vision and Pattern Recognition · Computer Science 2024-05-09 Qi Lai , Chi-Man Vong

The performance of object detection, to a great extent, depends on the availability of large annotated datasets. To alleviate the annotation cost, the research community has explored a number of ways to exploit unlabeled or weakly labeled…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Shijie Fang , Yuhang Cao , Xinjiang Wang , Kai Chen , Dahua Lin , Wayne Zhang

Current state-of-the-art methods for object detection rely on annotated bounding boxes of large data sets for training. However, obtaining such annotations is expensive and can require up to hundreds of hours of manual labor. This poses a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Hannah Kniesel , Leon Sick , Tristan Payer , Tim Bergner , Kavitha Shaga Devan , Clarissa Read , Paul Walther , Timo Ropinski

Weakly-supervised segmentation (WSS) has emerged as a solution to mitigate the conflict between annotation cost and model performance by adopting sparse annotation formats (e.g., point, scribble, block, etc.). Typical approaches attempt to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Y. Liu , L. Lin , K. K. Y. Wong , X. Tang

Robot-assisted catheterization has garnered a good attention for its potentials in treating cardiovascular diseases. However, advancing surgeon-robot collaboration still requires further research, particularly on task-specific automation.…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Olatunji Mumini Omisore , Toluwanimi Akinyemi , Anh Nguyen , Lei Wang

Semantic segmentation of point cloud usually relies on dense annotation that is exhausting and costly, so it attracts wide attention to investigate solutions for the weakly supervised scheme with only sparse points annotated. Existing works…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Yushuang Wu , Zizheng Yan , Shengcai Cai , Guanbin Li , Yizhou Yu , Xiaoguang Han , Shuguang Cui

Few-shot text classification aims to recognize unseen classes with limited labeled text samples. Existing approaches focus on boosting meta-learners by developing complex algorithms in the training stage. However, the labeled samples are…

Machine Learning · Computer Science 2026-03-04 Yunlong Gao , Xinyue Liu , Yingbo Wang , Linlin Zong , Bo Xu

Finding correspondences between semantically similar points across images and object instances is one of the everlasting challenges in computer vision. While large pre-trained vision models have recently been demonstrated as effective…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Olaf Dünkel , Thomas Wimmer , Christian Theobalt , Christian Rupprecht , Adam Kortylewski

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…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Li Li , Hubert P. H. Shum , Toby P. Breckon

Pseudo-label learning methods have been widely applied in weakly-supervised temporal action localization. Existing works directly utilize weakly-supervised base model to generate instance-level pseudo-labels for training the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Quan Zhang , Yuxin Qi , Xi Tang , Rui Yuan , Xi Lin , Ke Zhang , Chun Yuan

Weakly-supervised semantic segmentation (WSSS) is introduced to narrow the gap for semantic segmentation performance from pixel-level supervision to image-level supervision. Most advanced approaches are based on class activation maps (CAMs)…

Computer Vision and Pattern Recognition · Computer Science 2021-09-24 Sanghyun Jo , In-Jae Yu

Graph Neural Networks (GNNs) have achieved state-of-the-art results for semi-supervised node classification on graphs. Nevertheless, the challenge of how to effectively learn GNNs with very few labels is still under-explored. As one of the…

Machine Learning · Computer Science 2022-01-21 Yayong Li , Jie Yin , Ling Chen

Weakly supervised semantic segmentation (WSSS) in histopathology seeks to reduce annotation cost by learning from image-level labels, yet it remains limited by inter-class homogeneity, intra-class heterogeneity, and the region-shrinkage…

Semi-supervised semantic segmentation aims to utilize limited labeled images and abundant unlabeled images to achieve label-efficient learning, wherein the weak-to-strong consistency regularization framework, popularized by FixMatch, is…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Wentao Pan , Zhe Xu , Jiangpeng Yan , Zihan Wu , Raymond Kai-yu Tong , Xiu Li , Jianhua Yao

Creating large, good quality labeled data has become one of the major bottlenecks for developing machine learning applications. Multiple techniques have been developed to either decrease the dependence of labeled data (zero/few-shot…

Computation and Language · Computer Science 2023-02-08 Abhinav Bohra , Huy Nguyen , Devashish Khatwani

Semantic segmentation tasks based on weakly supervised condition have been put forward to achieve a lightweight labeling process. For simple images that only include a few categories, researches based on image-level annotations have…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Xi Li , Huimin Ma , Sheng Yi , Yanxian Chen

While 3D instance segmentation (3DIS) has advanced significantly, most existing methods assume that all object classes are known in advance and uniformly distributed. However, this assumption is unrealistic in dynamic, real-world…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Vishal Thengane , Jean Lahoud , Hisham Cholakkal , Rao Muhammad Anwer , Lu Yin , Xiatian Zhu , Salman Khan