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Cross-modality magnetic resonance (MR) image synthesis can be used to generate missing modalities from given ones. Existing (supervised learning) methods often require a large number of paired multi-modal data to train an effective…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Yonghao Li , Tao Zhou , Kelei He , Yi Zhou , Dinggang Shen

Recently, human motion analysis has experienced great improvement due to inspiring generative models such as the denoising diffusion model and large language model. While the existing approaches mainly focus on generating motions with…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Yiming Wu , Wei Ji , Kecheng Zheng , Zicheng Wang , Dong Xu

Integrating the different data modalities of cancer patients can significantly improve the predictive performance of patient survival. However, most existing methods ignore the simultaneous utilization of rich semantic features at different…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Liangrui Pan , Yijun Peng , Yan Li , Yiyi Liang , Liwen Xu , Qingchun Liang , Shaoliang Peng

Temporal modeling is crucial for multi-frame human pose estimation. Most existing methods directly employ optical flow or deformable convolution to predict full-spectrum motion fields, which might incur numerous irrelevant cues, such as a…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Runyang Feng , Yixing Gao , Xueqing Ma , Tze Ho Elden Tse , Hyung Jin Chang

We present a unified perspective on tackling various human-centric video tasks by learning human motion representations from large-scale and heterogeneous data resources. Specifically, we propose a pretraining stage in which a motion…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Wentao Zhu , Xiaoxuan Ma , Zhaoyang Liu , Libin Liu , Wayne Wu , Yizhou Wang

Vast amounts of remote sensing (RS) data provide Earth observations across multiple dimensions, encompassing critical spatial, temporal, and spectral information which is essential for addressing global-scale challenges such as land use…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Lixian Zhang , Yi Zhao , Runmin Dong , Jinxiao Zhang , Shuai Yuan , Shilei Cao , Mengxuan Chen , Juepeng Zheng , Weijia Li , Wei Liu , Wayne Zhang , Litong Feng , Haohuan Fu

This paper explores improvements to the masked image modeling (MIM) paradigm. The MIM paradigm enables the model to learn the main object features of the image by masking the input image and predicting the masked part by the unmasked part.…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Jiawei Mao , Xuesong Yin , Yuanqi Chang , Honggu Zhou

Self-supervised models allow (pre-)training on unlabeled data and therefore have the potential to overcome the need for large annotated cohorts. One leading self-supervised model is the masked autoencoder (MAE) which was developed on…

Image and Video Processing · Electrical Eng. & Systems 2023-03-13 Daniel M. Lang , Eli Schwartz , Cosmin I. Bercea , Raja Giryes , Julia A. Schnabel

Masked image modeling (MIM) is a highly popular and effective self-supervised learning method for image understanding. Existing MIM-based methods mostly focus on spatial feature modeling, neglecting spectral feature modeling. Meanwhile,…

Image and Video Processing · Electrical Eng. & Systems 2023-11-09 Junyan Lin , Feng Gao , Xiaocheng Shi , Junyu Dong , Qian Du

Masked Autoencoders (MAE) have been prevailing paradigms for large-scale vision representation pre-training. By reconstructing masked image patches from a small portion of visible image regions, MAE forces the model to infer semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Hongwei Xue , Peng Gao , Hongyang Li , Yu Qiao , Hao Sun , Houqiang Li , Jiebo Luo

Building robust medical machine learning systems requires pretraining strategies that exploit the intrinsic structure present in clinical data. We introduce Multiview Masked Autoencoder (MVMAE), a self-supervised framework that leverages…

In 3D human action recognition, limited supervised data makes it challenging to fully tap into the modeling potential of powerful networks such as transformers. As a result, researchers have been actively investigating effective…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Yunyao Mao , Jiajun Deng , Wengang Zhou , Yao Fang , Wanli Ouyang , Houqiang Li

To better support information retrieval tasks such as web search and open-domain question answering, growing effort is made to develop retrieval-oriented language models, e.g., RetroMAE and many others. Most of the existing works focus on…

Computation and Language · Computer Science 2023-05-05 Shitao Xiao , Zheng Liu , Yingxia Shao , Zhao Cao

Modern learning frameworks often train deep neural networks with massive amounts of unlabeled data to learn representations by solving simple pretext tasks, then use the representations as foundations for downstream tasks. These networks…

Machine Learning · Computer Science 2024-04-04 Druv Pai , Ziyang Wu , Sam Buchanan , Yaodong Yu , Yi Ma

Building scalable vision-language models to learn from diverse, multimodal data remains an open challenge. In this paper, we introduce an Efficient Vision-languagE foundation model, namely EVE, which is one unified multimodal Transformer…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Junyi Chen , Longteng Guo , Jia Sun , Shuai Shao , Zehuan Yuan , Liang Lin , Dongyu Zhang

Masked autoencoder (MAE) has attracted unprecedented attention and achieves remarkable performance in many vision tasks. It reconstructs random masked image patches (known as proxy task) during pretraining and learns meaningful semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-07-14 Qingbo Kang , Jun Gao , Kang Li , Qicheng Lao

Existing LiDAR-based 3D object detection methods for autonomous driving scenarios mainly adopt the training-from-scratch paradigm. Unfortunately, this paradigm heavily relies on large-scale labeled data, whose collection can be expensive…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Zhiwei Lin , Yongtao Wang , Shengxiang Qi , Nan Dong , Ming-Hsuan Yang

Autoencoders have been widely used for dimensional reduction and feature extraction. Various types of autoencoders have been proposed by introducing regularization terms. Most of these regularizations improve representation learning by…

Machine Learning · Computer Science 2020-06-26 Yuzhu Guo , Kang Pan , Simeng Li , Zongchang Han , Kexin Wang , Li Li

Masked autoencoding has become a successful pretraining paradigm for Transformer models for text, images, and, recently, point clouds. Raw automotive datasets are suitable candidates for self-supervised pre-training as they generally are…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Georg Hess , Johan Jaxing , Elias Svensson , David Hagerman , Christoffer Petersson , Lennart Svensson

Low-dose computed tomography (LDCT) offers reduced X-ray radiation exposure but at the cost of compromised image quality, characterized by increased noise and artifacts. Recently, transformer models emerged as a promising avenue to enhance…

Image and Video Processing · Electrical Eng. & Systems 2023-10-20 Dayang Wang , Yongshun Xu , Shuo Han , Zhan Wu , Li Zhou , Bahareh Morovati , Hengyong Yu