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Related papers: Improving the Intra-class Long-tail in 3D Detectio…

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The long-tailed distribution datasets poses great challenges for deep learning based classification models on how to handle the class imbalance problem. Existing solutions usually involve class-balacing strategies or transfer learing from…

Computer Vision and Pattern Recognition · Computer Science 2022-04-21 Gongzhe Li , Zhiwen Tan , Linpeng Pan

Real-world data often follows a long-tailed distribution, where a few head classes occupy most of the data and a large number of tail classes only contain very limited samples. In practice, deep models often show poor generalization…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Haolin Pan , Yong Guo , Mianjie Yu , Jian Chen

Monocular 3D object detection plays a crucial role in autonomous driving. However, existing monocular 3D detection algorithms depend on 3D labels derived from LiDAR measurements, which are costly to acquire for new datasets and challenging…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Fulong Ma , Xiaoyang Yan , Guoyang Zhao , Xiaojie Xu , Yuxuan Liu , Jun Ma , Ming Liu

3D object detection is fundamentally important for various emerging applications, including autonomous driving and robotics. A key requirement for training an accurate 3D object detector is the availability of a large amount of LiDAR-based…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Ruiyu Mao , Sarthak Kumar Maharana , Rishabh K Iyer , Yunhui Guo

3D object recognition is a challenging task for intelligent and robot systems in industrial and home indoor environments. It is critical for such systems to recognize and segment the 3D object instances that they encounter on a frequent…

Computer Vision and Pattern Recognition · Computer Science 2024-06-24 Siddiqui Muhammad Yasir , Amin Muhammad Sadiq , Hyunsik Ahn

Class-wise characteristics of training examples affect the performance of deep classifiers. A well-studied example is when the number of training examples of classes follows a long-tailed distribution, a situation that is likely to yield…

Machine Learning · Computer Science 2025-05-02 Z. S. Baltaci , K. Oksuz , S. Kuzucu , K. Tezoren , B. K. Konar , A. Ozkan , E. Akbas , S. Kalkan

The problem of distance metric learning is mostly considered from the perspective of learning an embedding space, where the distances between pairs of examples are in correspondence with a similarity metric. With the rise and success of…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Yehao Li , Ting Yao , Yingwei Pan , Hongyang Chao , Tao Mei

Accurate 3D object detection is a critical component of autonomous driving, enabling vehicles to perceive their surroundings with precision and make informed decisions. LiDAR sensors, widely used for their ability to provide detailed 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Christoph Griesbacher , Christian Fruhwirth-Reisinger

Most of object detection algorithms can be categorized into two classes: two-stage detectors and one-stage detectors. Recently, many efforts have been devoted to one-stage detectors for the simple yet effective architecture. Different from…

Computer Vision and Pattern Recognition · Computer Science 2020-04-14 Qi Qian , Lei Chen , Hao Li , Rong Jin

Accurate 3D object detection in real-world environments requires a huge amount of annotated data with high quality. Acquiring such data is tedious and expensive, and often needs repeated effort when a new sensor is adopted or when the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Jinsu Yoo , Zhenyang Feng , Tai-Yu Pan , Yihong Sun , Cheng Perng Phoo , Xiangyu Chen , Mark Campbell , Kilian Q. Weinberger , Bharath Hariharan , Wei-Lun Chao

Training on datasets with long-tailed distributions has been challenging for major recognition tasks such as classification and detection. To deal with this challenge, image resampling is typically introduced as a simple but effective…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Nadine Chang , Zhiding Yu , Yu-Xiong Wang , Anima Anandkumar , Sanja Fidler , Jose M. Alvarez

Noisy labels, which are common in real-world datasets, can significantly impair the training of deep learning models. However, recent adversarial noise-combating methods overlook the long-tailed distribution of real data, which can…

Machine Learning · Computer Science 2024-08-09 Mengting Li , Chuang Zhu

Integrating supervised contrastive loss to cross entropy-based communication has recently been proposed as a solution to address the long-tail learning problem. However, when the class imbalance ratio is high, it requires adjusting the…

Machine Learning · Computer Science 2024-07-10 Charika De Alvis , Dishanika Denipitiyage , Suranga Seneviratne

In the real world, medical datasets often exhibit a long-tailed data distribution (i.e., a few classes occupy most of the data, while most classes have rarely few samples), which results in a challenging imbalance learning scenario. For…

Computer Vision and Pattern Recognition · Computer Science 2021-04-23 Lie Ju , Xin Wang , Lin Wang , Tongliang Liu , Xin Zhao , Tom Drummond , Dwarikanath Mahapatra , Zongyuan Ge

A typical trajectory planner of autonomous driving commonly relies on predicting the future behavior of surrounding obstacles. Recently, deep learning technology has been widely adopted to design prediction models due to their impressive…

Artificial Intelligence · Computer Science 2022-07-29 Weitao Zhou , Zhong Cao , Yunkang Xu , Nanshan Deng , Xiaoyu Liu , Kun Jiang , Diange Yang

Recently, long-tailed image classification harvests lots of research attention, since the data distribution is long-tailed in many real-world situations. Piles of algorithms are devised to address the data imbalance problem by biasing the…

Computer Vision and Pattern Recognition · Computer Science 2023-02-06 Chaowei Fang , Dingwen Zhang , Wen Zheng , Xue Li , Le Yang , Lechao Cheng , Junwei Han

The training datasets used in long-tailed recognition are extremely unbalanced, resulting in significant variation in per-class accuracy across categories. Prior works mostly used average accuracy to evaluate their algorithms, which easily…

Computer Vision and Pattern Recognition · Computer Science 2024-01-31 Hao Yu , Yingxiao Du , Jianxin Wu

To mitigate the burden of data labeling, we aim at improving data efficiency for both classification and regression setups in deep learning. However, the current focus is on classification problems while rare attention has been paid to deep…

Machine Learning · Computer Science 2021-10-12 Ximei Wang , Xinyang Chen , Jianmin Wang , Mingsheng Long

Deep neural networks (DNNs) often suffer from the overconfidence issue, where incorrect predictions are made with high confidence scores, hindering the applications in critical systems. In this paper, we propose a novel approach called…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Yijun Liu , Jiequan Cui , Zhuotao Tian , Senqiao Yang , Qingdong He , Xiaoling Wang , Jingyong Su

Label noise is one of the key factors that lead to the poor generalization of deep learning models. Existing label-noise learning methods usually assume that the ground-truth classes of the training data are balanced. However, the…

Machine Learning · Computer Science 2023-08-15 Yang Lu , Yiliang Zhang , Bo Han , Yiu-ming Cheung , Hanzi Wang