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We propose a simple strategy for masking image patches during visual-language contrastive learning that improves the quality of the learned representations and the training speed. During each iteration of training, we randomly mask clusters…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Zihao Wei , Zixuan Pan , Andrew Owens

Foundation models have transformed vision and language by learning general-purpose representations from large-scale unlabeled data, yet 3D medical imaging lacks analogous approaches. Existing self-supervised methods rely on low-level…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Yunhe Gao , Yabin Zhang , Chong Wang , Jiaming Liu , Maya Varma , Jean-Benoit Delbrouck , Akshay Chaudhari , Curtis Langlotz

Neural implicit representations have had a significant impact on simultaneous localization and mapping (SLAM) by enabling robots to build continuous, differentiable, and high-fidelity 3D maps from sensor data. However, as the scale and…

机器人学 · 计算机科学 2025-04-29 Yulun Tian , Hanwen Cao , Sunghwan Kim , Nikolay Atanasov

Limited availability of labeled data for machine learning on multimodal time-series extensively hampers progress in the field. Self-supervised learning (SSL) is a promising approach to learning data representations without relying on…

机器学习 · 计算机科学 2024-02-20 Shohreh Deldari , Dimitris Spathis , Mohammad Malekzadeh , Fahim Kawsar , Flora Salim , Akhil Mathur

The size and the computational load of fine-tuning large-scale pre-trained neural network are becoming two major obstacles in adopting machine learning in many applications. Continual learning (CL) can serve as a remedy through enabling…

机器学习 · 计算机科学 2023-03-28 Yuliang Cai , Jesse Thomason , Mohammad Rostami

The development of Multi-modal Large Language Models (MLLMs) enhances Large Language Models (LLMs) with the ability to perceive data formats beyond text, significantly advancing a range of downstream applications, such as visual question…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Minbin Huang , Runhui Huang , Han Shi , Yimeng Chen , Chuanyang Zheng , Xiangguo Sun , Xin Jiang , Zhenguo Li , Hong Cheng

X-ray absorption spectroscopy (XAS) is a powerful technique to probe the electronic and structural properties of materials. With the rapid growth in both the volume and complexity of XAS datasets driven by advancements in synchrotron…

计算物理 · 物理学 2025-02-25 Xue Han , Haodong Yao , Fei Zhan , Xueqi Song , Junfang Zhao , Haifeng Zhao

Deep learning-based image retrieval techniques for the loop closure detection demonstrate satisfactory performance. However, it is still challenging to achieve high-level performance based on previously trained models in different…

计算机视觉与模式识别 · 计算机科学 2022-01-11 M. Usman Maqbool Bhutta , Yuxiang Sun , Darwin Lau , Ming Liu

Machine learning and deep learning (ML/DL) have been extensively applied in malware detection, and some existing methods demonstrate robust performance. However, several issues persist in the field of malware detection: (1) Existing work…

密码学与安全 · 计算机科学 2024-08-06 Xingyuan Wei , Yichen Liu , Ce Li , Ning Li , Degang Sun , Yan Wang

The Long Short-Term Memory (LSTM) layer is an important advancement in the field of neural networks and machine learning, allowing for effective training and impressive inference performance. LSTM-based neural networks have been…

神经与进化计算 · 计算机科学 2019-01-04 Daniel Kent , Fathi M. Salem

Traditional Long Short-Term Memory (LSTM) networks are effective for handling sequential data but have limitations such as gradient vanishing and difficulty in capturing long-term dependencies, which can impact their performance in dynamic…

计算工程、金融与科学 · 计算机科学 2026-04-29 Faezeh Sarlakifar , Mohammadreza Mohammadzadeh Asl , Sajjad Rezvani Khaledi , Armin Salimi-Badr

The pre-training and fine-tuning paradigm has revolutionized satellite remote sensing applications. However, this approach remains largely underexplored for airborne laser scanning (ALS), an important technology for applications such as…

计算机视觉与模式识别 · 计算机科学 2025-01-10 Haoyi Xiu , Xin Liu , Taehoon Kim , Kyoung-Sook Kim

Recent advancements in large-scale Vision Transformers have made significant strides in improving pre-trained models for medical image segmentation. However, these methods face a notable challenge in acquiring a substantial amount of…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Yiqing Wang , Zihan Li , Jieru Mei , Zihao Wei , Li Liu , Chen Wang , Shengtian Sang , Alan Yuille , Cihang Xie , Yuyin Zhou

How to learn discriminative video representation from unlabeled videos is challenging but crucial for video analysis. The latest attempts seek to learn a representation model by predicting the appearance contents in the masked regions.…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Xinyu Sun , Peihao Chen , Liangwei Chen , Changhao Li , Thomas H. Li , Mingkui Tan , Chuang Gan

3D medical image segmentation has progressed considerably due to Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs), yet these methods struggle to balance long-range dependency acquisition with computational efficiency. To…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Xuhui Guo , Tanmoy Dam , Rohan Dhamdhere , Gourav Modanwal , Anant Madabhushi

Today, many image coding scenarios do not have a human as final intended user, but rather a machine fulfilling computer vision tasks on the decoded image. Thereby, the primary goal is not to keep visual quality but maintain the task…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Kristian Fischer , Fabian Brand , André Kaup

Zero-Shot Learning (ZSL) promises to scale visual recognition by bypassing the conventional model training requirement of annotated examples for every category. This is achieved by establishing a mapping connecting low-level features and a…

计算机视觉与模式识别 · 计算机科学 2016-11-29 Xun Xu , Timothy M. Hospedales , Shaogang Gong

Most existing text recognition methods are trained on large-scale synthetic datasets due to the scarcity of labeled real-world datasets. Synthetic images, however, cannot faithfully reproduce real-world scenarios, such as uneven…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Zhengmi Tang , Yuto Mitsui , Tomo Miyazaki , Shinichiro Omachi

Masked Language Modeling (MLM) has proven to be an essential component of Vision-Language (VL) pretraining. To implement MLM, the researcher must make two design choices: the masking strategy, which determines which tokens to mask, and the…

机器学习 · 计算机科学 2022-12-13 Siddharth Verma , Yuchen Lu , Rui Hou , Hanchao Yu , Nicolas Ballas , Madian Khabsa , Amjad Almahairi

Vision transformers (ViTs) have recently been widely applied to 3D point cloud understanding, with masked autoencoding as the predominant pre-training paradigm. However, the challenge of learning dense and informative semantic features from…

计算机视觉与模式识别 · 计算机科学 2025-08-13 Bin Ren , Xiaoshui Huang , Mengyuan Liu , Hong Liu , Fabio Poiesi , Nicu Sebe , Guofeng Mei