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Predictive coding, currently a highly influential theory in neuroscience, has not been widely adopted in machine learning yet. In this work, we transform the seminal model of Rao and Ballard (1999) into a modern deep learning framework…

Computer Vision and Pattern Recognition · Computer Science 2023-02-09 Zdenek Straka , Tomas Svoboda , Matej Hoffmann

One of the largest problems in medical image processing is the lack of annotated data. Labeling medical images often requires highly trained experts and can be a time-consuming process. In this paper, we evaluate a method of reducing the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-02 Marin Benčević , Marija Habijan , Irena Galić , Aleksandra Pizurica

Convolutional networks reach top quality in pixel-level video object segmentation but require a large amount of training data (1k~100k) to deliver such results. We propose a new training strategy which achieves state-of-the-art results…

Computer Vision and Pattern Recognition · Computer Science 2019-03-15 Anna Khoreva , Rodrigo Benenson , Eddy Ilg , Thomas Brox , Bernt Schiele

Real-time algorithms for automatically recognizing surgical phases are needed to develop systems that can provide assistance to surgeons, enable better management of operating room (OR) resources and consequently improve safety within the…

Computer Vision and Pattern Recognition · Computer Science 2018-05-23 Gaurav Yengera , Didier Mutter , Jacques Marescaux , Nicolas Padoy

Vision Transformers (ViT)s have shown great performance in self-supervised learning of global and local representations that can be transferred to downstream applications. Inspired by these results, we introduce a novel self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Yucheng Tang , Dong Yang , Wenqi Li , Holger Roth , Bennett Landman , Daguang Xu , Vishwesh Nath , Ali Hatamizadeh

This paper studies the BERT pretraining of video transformers. It is a straightforward but worth-studying extension given the recent success from BERT pretraining of image transformers. We introduce BEVT which decouples video representation…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Rui Wang , Dongdong Chen , Zuxuan Wu , Yinpeng Chen , Xiyang Dai , Mengchen Liu , Yu-Gang Jiang , Luowei Zhou , Lu Yuan

Machine learning approaches have become popular for molecular modeling tasks, including molecular force fields and properties prediction. Traditional supervised learning methods suffer from scarcity of labeled data for particular tasks,…

Chemical Physics · Physics 2022-11-29 Xiang Gao , Weihao Gao , Wenzhi Xiao , Zhirui Wang , Chong Wang , Liang Xiang

Self-supervised learning methods have witnessed a recent surge of interest after proving successful in multiple application fields. In this work, we leverage these techniques, and we propose 3D versions for five different self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Aiham Taleb , Winfried Loetzsch , Noel Danz , Julius Severin , Thomas Gaertner , Benjamin Bergner , Christoph Lippert

We show that useful video representations can be learned from synthetic videos and natural images, without incorporating natural videos in the training. We propose a progression of video datasets synthesized by simple generative processes,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Xueyang Yu , Xinlei Chen , Yossi Gandelsman

Transfer learning is a standard technique to improve performance on tasks with limited data. However, for medical imaging, the value of transfer learning is less clear. This is likely due to the large domain mismatch between the usual…

Purpose: Radiologists are tasked with visually scrutinizing large amounts of data produced by 3D volumetric imaging modalities. Small signals can go unnoticed during the 3d search because they are hard to detect in the visual periphery.…

Human-Computer Interaction · Computer Science 2024-05-02 Devi Klein , Srijita Karmakar , Aditya Jonnalagadda , Craig K. Abbey , Miguel P. Eckstein

The current mainstream and state-of-the-art anomaly detection (AD) methods are substantially established on pretrained feature networks yielded by ImageNet pretraining. However, regardless of supervised or self-supervised pretraining, the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 Xincheng Yao , Yan Luo , Zefeng Qian , Chongyang Zhang

When a pre-trained general auto-segmentation model is deployed at a new institution, a support framework in the proposed Prior-guided DDL network will learn the systematic difference between the model predictions and the final contours…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Anjali Balagopal , Dan Nguyen , Ti Bai , Michael Dohopolski , Mu-Han Lin , Steve Jiang

The development of 3D medical vision-language models holds significant potential for disease diagnosis and patient treatment. However, compared to 2D medical images, 3D medical images, such as CT scans, face challenges related to limited…

Image and Video Processing · Electrical Eng. & Systems 2024-10-21 Haoran Lai , Zihang Jiang , Qingsong Yao , Rongsheng Wang , Zhiyang He , Xiaodong Tao , Wei Wei , Weifu Lv , S. Kevin Zhou

Despite that convolution neural networks (CNN) have recently demonstrated high-quality reconstruction for video super-resolution (VSR), efficiently training competitive VSR models remains a challenging problem. It usually takes an order of…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Lijian Lin , Xintao Wang , Zhongang Qi , Ying Shan

This work concerns video-language pre-training and representation learning. In this now ubiquitous training scheme, a model first performs pre-training on paired videos and text (e.g., video clips and accompanied subtitles) from a large…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Luowei Zhou , Jingjing Liu , Yu Cheng , Zhe Gan , Lei Zhang

Human shape estimation is an important task for video editing, animation and fashion industry. Predicting 3D human body shape from natural images, however, is highly challenging due to factors such as variation in human bodies, clothing and…

Computer Vision and Pattern Recognition · Computer Science 2018-08-21 Gül Varol , Duygu Ceylan , Bryan Russell , Jimei Yang , Ersin Yumer , Ivan Laptev , Cordelia Schmid

Transfer learning improves the performance of deep learning models by initializing them with parameters pre-trained on larger datasets. Intuitively, transfer learning is more effective when pre-training is on the in-domain datasets. A…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Khaled Alrfou , Tian Zhao , Amir Kordijazi

Purpose: Accurate segmentation of clinical target volumes (CTV) and organs-at-risk is crucial for optimizing gynecologic brachytherapy (GYN-BT) treatment planning. However, anatomical variability, low soft-tissue contrast in CT imaging, and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Mingzhe Hu , Yuan Gao , Yuheng Li , Ricahrd LJ Qiu , Chih-Wei Chang , Keyur D. Shah , Priyanka Kapoor , Beth Bradshaw , Yuan Shao , Justin Roper , Jill Remick , Zhen Tian , Xiaofeng Yang

Convolutional Neural Networks (CNN) have been regarded as a powerful class of models for image recognition problems. Nevertheless, it is not trivial when utilizing a CNN for learning spatio-temporal video representation. A few studies have…

Computer Vision and Pattern Recognition · Computer Science 2017-11-29 Zhaofan Qiu , Ting Yao , Tao Mei