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Related papers: SCKD: Semi-Supervised Cross-Modality Knowledge Dis…

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Crossmodal knowledge distillation (KD) aims to enhance a unimodal student using a multimodal teacher model. In particular, when the teacher's modalities include the student's, additional complementary information can be exploited to improve…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Chenqi Guo , Mengshuo Rong , Qianli Feng , Rongfan Feng , Yinglong Ma

It is laborious to manually label point cloud data for training high-quality 3D object detectors. This work proposes a weakly supervised approach for 3D object detection, only requiring a small set of weakly annotated scenes, associated…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Qinghao Meng , Wenguan Wang , Tianfei Zhou , Jianbing Shen , Luc Van Gool , Dengxin Dai

3D perception based on the representations learned from multi-camera bird's-eye-view (BEV) is trending as cameras are cost-effective for mass production in autonomous driving industry. However, there exists a distinct performance gap…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Zeyu Wang , Dingwen Li , Chenxu Luo , Cihang Xie , Xiaodong Yang

Quantization-aware training (QAT) and Knowledge Distillation (KD) are combined to achieve competitive performance in creating low-bit deep learning models. However, existing works applying KD to QAT require tedious hyper-parameter tuning to…

Machine Learning · Computer Science 2024-03-19 Kaiqi Zhao , Ming Zhao

In instance-level detection tasks (e.g., object detection), reducing input resolution is an easy option to improve runtime efficiency. However, this option traditionally hurts the detection performance much. This paper focuses on boosting…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Lu Qi , Jason Kuen , Jiuxiang Gu , Zhe Lin , Yi Wang , Yukang Chen , Yanwei Li , Jiaya Jia

In 3D action recognition, there exists rich complementary information between skeleton modalities. Nevertheless, how to model and utilize this information remains a challenging problem for self-supervised 3D action representation learning.…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Yunyao Mao , Wengang Zhou , Zhenbo Lu , Jiajun Deng , Houqiang Li

Knowledge distillation is a popular paradigm for learning portable neural networks by transferring the knowledge from a large model into a smaller one. Most existing approaches enhance the student model by utilizing the similarity…

Computer Vision and Pattern Recognition · Computer Science 2021-03-19 Haoran Zhao , Kun Gong , Xin Sun , Junyu Dong , Hui Yu

Knowledge distillation (KD) compresses deep neural networks by transferring task-related knowledge from cumbersome pre-trained teacher models to compact student models. However, current KD methods for super-resolution (SR) networks overlook…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Yun Zhang , Wei Li , Simiao Li , Hanting Chen , Zhijun Tu , Wenjia Wang , Bingyi Jing , Shaohui Lin , Jie Hu

The recent success of pre-trained 2D vision models is mostly attributable to learning from large-scale datasets. However, compared with 2D image datasets, the current pre-training data of 3D point cloud is limited. To overcome this…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Yuan Yao , Yuanhan Zhang , Zhenfei Yin , Jiebo Luo , Wanli Ouyang , Xiaoshui Huang

Most existing CNN-based salient object detection methods can identify local segmentation details like hair and animal fur, but often misinterpret the real saliency due to the lack of global contextual information caused by the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Bo Xu , Guanze Liu , Han Huang , Cheng Lu , Yandong Guo

3D object detection using LiDAR point clouds is a fundamental task in the fields of computer vision, robotics, and autonomous driving. However, existing 3D detectors heavily rely on annotated datasets, which are both time-consuming and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Yiming Shan , Yan Xia , Yuhong Chen , Daniel Cremers

Vision Transformers (ViTs) emerge to achieve impressive performance on many data-abundant computer vision tasks by capturing long-range dependencies among local features. However, under few-shot learning (FSL) settings on small datasets…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Han Lin , Guangxing Han , Jiawei Ma , Shiyuan Huang , Xudong Lin , Shih-Fu Chang

Human activity recognition (HAR) based on multi-modal approach has been recently shown to improve the accuracy performance of HAR. However, restricted computational resources associated with wearable devices, i.e., smartwatch, failed to…

Multimedia · Computer Science 2021-12-06 Jianyuan Ni , Raunak Sarbajna , Yang Liu , Anne H. H. Ngu , Yan Yan

Learning in data-scarce settings has recently gained significant attention in the research community. Semi-supervised object detection(SSOD) aims to improve detection performance by leveraging a large number of unlabeled images alongside a…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Chaoxin Wang , Bharaneeshwar Balasubramaniyam , Anurag Sangem , Nicolais Guevara , Doina Caragea

The problem of missing modalities is both critical and non-trivial to be handled in multi-modal models. It is common for multi-modal tasks that certain modalities contribute more compared to other modalities, and if those important…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Hu Wang , Congbo Ma , Jianpeng Zhang , Yuan Zhang , Jodie Avery , Louise Hull , Gustavo Carneiro

Fully Unsupervised Anomaly Detection (FUAD) is a practical extension of Unsupervised Anomaly Detection (UAD), aiming to detect anomalies without any labels even when the training set may contain anomalous samples. To achieve FUAD, we…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Xinyue Liu , Jianyuan Wang , Biao Leng , Shuo Zhang

Knowledge distillation often involves how to define and transfer knowledge from teacher to student effectively. Although recent self-supervised contrastive knowledge achieves the best performance, forcing the network to learn such knowledge…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Chuanguang Yang , Zhulin An , Linhang Cai , Yongjun Xu

Change detection, which aims to detect spatial changes from a pair of multi-temporal images due to natural or man-made causes, has been widely applied in remote sensing, disaster management, urban management, etc. Most existing change…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Binghao Lu , Caiwen Ding , Jinbo Bi , Dongjin Song

3D perception in LiDAR point clouds is crucial for a self-driving vehicle to properly act in 3D environment. However, manually labeling point clouds is hard and costly. There has been a growing interest in self-supervised pre-training of 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Mu Cai , Chenxu Luo , Yong Jae Lee , Xiaodong Yang

We propose Cross-Attention-based Non-local Knowledge Distillation (CanKD), a novel feature-based knowledge distillation framework that leverages cross-attention mechanisms to enhance the knowledge transfer process. Unlike traditional…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Shizhe Sun , Wataru Ohyama