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Computed tomography (CT) uses X-ray measurements taken from sensors around the body to generate tomographic images of the human body. Conventional reconstruction algorithms can be used if the X-ray data are adequately sampled and of high…

图像与视频处理 · 电气工程与系统科学 2021-12-28 Ruiwen Xing , Thomas Humphries , Dong Si

Cone-beam computed tomography (CBCT) systems, with their flexibility, present a promising avenue for direct point-of-care medical imaging, particularly in critical scenarios such as acute stroke assessment. However, the integration of CBCT…

Future video prediction is an ill-posed Computer Vision problem that recently received much attention. Its main challenges are the high variability in video content, the propagation of errors through time, and the non-specificity of the…

计算机视觉与模式识别 · 计算机科学 2018-03-19 Marc Oliu , Javier Selva , Sergio Escalera

In computed tomography (CT), the projection geometry used for data acquisition needs to be known precisely to obtain a clear reconstructed image. Rigid patient motion is a cause for misalignment between measured data and employed geometry.…

图像与视频处理 · 电气工程与系统科学 2023-02-14 Mareike Thies , Fabian Wagner , Noah Maul , Laura Pfaff , Linda-Sophie Schneider , Christopher Syben , Andreas Maier

Because traffic characteristics display stochastic nonlinear spatiotemporal dependencies, traffic prediction is a challenging task. In this paper develop a graph convolution gated recurrent unit (GC GRU N) network to extract the essential…

计算机视觉与模式识别 · 计算机科学 2022-11-17 Maged Shoman , Armstrong Aboah , Abdulateef Daud , Yaw Adu-Gyamfi

Computed tomography (CT) is widely used in screening, diagnosis, and image-guided therapy for both clinical and research purposes. Since CT involves ionizing radiation, an overarching thrust of related technical research is development of…

图像与视频处理 · 电气工程与系统科学 2019-06-25 Chenyu You , Guang Li , Yi Zhang , Xiaoliu Zhang , Hongming Shan , Shenghong Ju , Zhen Zhao , Zhuiyang Zhang , Wenxiang Cong , Michael W. Vannier , Punam K. Saha , Ge Wang

The paper evaluates three variants of the Gated Recurrent Unit (GRU) in recurrent neural networks (RNN) by reducing parameters in the update and reset gates. We evaluate the three variant GRU models on MNIST and IMDB datasets and show that…

神经与进化计算 · 计算机科学 2017-01-24 Rahul Dey , Fathi M. Salem

The time-series forecasting (TSF) problem is a traditional problem in the field of artificial intelligence. Models such as Recurrent Neural Network (RNN), Long Short Term Memory (LSTM), and GRU (Gate Recurrent Units) have contributed to…

机器学习 · 计算机科学 2024-08-29 Sunghyun Sim , Dohee Kim , Hyerim Bae

Automated lesion segmentation from computed tomography (CT) is an important and challenging task in medical image analysis. While many advancements have been made, there is room for continued improvements. One hurdle is that CT images can…

计算机视觉与模式识别 · 计算机科学 2018-07-20 Youbao Tang , Jinzheng Cai , Le Lu , Adam P. Harrison , Ke Yan , Jing Xiao , Lin Yang , Ronald M. Summers

Recurrent neural networks (RNNs) have been a long-standing candidate for processing of temporal sequence data, especially in memory-constrained systems that one may find in embedded edge computing environments. Recent advances in training…

硬件体系结构 · 计算机科学 2025-05-14 Sebastian Billaudelle , Laura Kriener , Filippo Moro , Tristan Torchet , Melika Payvand

A field that has directly benefited from the recent advances in deep learning is Automatic Speech Recognition (ASR). Despite the great achievements of the past decades, however, a natural and robust human-machine speech interaction still…

音频与语音处理 · 电气工程与系统科学 2018-03-29 Mirco Ravanelli , Philemon Brakel , Maurizio Omologo , Yoshua Bengio

Inspired by their success in solving challenging inverse problems in computer vision, implicit neural representations (INRs) have been recently proposed for reconstruction in low-dose/sparse-view X-ray computed tomography (CT). An INR…

图像与视频处理 · 电气工程与系统科学 2025-04-21 Mahrokh Najaf , Gregory Ongie

Industrial cone-beam X-ray computed tomography (CT) scans of additively manufactured components produce a 3D reconstruction from projection measurements acquired at multiple predetermined rotation angles of the component about a single…

图像与视频处理 · 电气工程与系统科学 2024-07-19 Jingsong Lin , Singanallur Venkatakrishnan , Gregery Buzzard , Amir Koushyar Ziabari , Charles Bouman

Transformer-based models have gained significant traction in sequential recommender systems (SRSs) for their ability to capture user-item interactions effectively. However, these models often suffer from high computational costs and slow…

信息检索 · 计算机科学 2025-04-15 Sheng Zhang , Maolin Wang , Wanyu Wang , Jingtong Gao , Xiangyu Zhao , Yu Yang , Xuetao Wei , Zitao Liu , Tong Xu

In recent years, using orthogonal matrices has been shown to be a promising approach in improving Recurrent Neural Networks (RNNs) with training, stability, and convergence, particularly, to control gradients. While Gated Recurrent Unit…

机器学习 · 计算机科学 2022-08-16 Edison Mucllari , Vasily Zadorozhnyy , Cole Pospisil , Duc Nguyen , Qiang Ye

Structural damage detection has become an interdisciplinary area of interest for various engineering fields, while the available damage detection methods are being in the process of adapting machine learning concepts. Most machine learning…

信号处理 · 电气工程与系统科学 2020-06-02 Jianxi Yang , Likai Zhang , Cen Chen , Yangfan Li , Ren Li , Guiping Wang , Shixin Jiang , Zeng Zeng

This project explores the application of advanced machine learning models, specifically Long Short-Term Memory (LSTM), Gated Recurrent Units (GRU), and Transformers, to the task of vehicle speed estimation using video data. Traditional…

计算机视觉与模式识别 · 计算机科学 2025-02-24 Sai Krishna Reddy Mareddy , Dhanush Upplapati , Dhanush Kumar Antharam

Diagnostic stroke imaging with C-arm cone-beam computed tomography (CBCT) enables reduction of time-to-therapy for endovascular procedures. However, the prolonged acquisition time compared to helical CT increases the likelihood of rigid…

图像与视频处理 · 电气工程与系统科学 2019-12-02 Alexander Preuhs , Michael Manhart , Philipp Roser , Bernhard Stimpel , Christopher Syben , Marios Psychogios , Markus Kowarschik , Andreas Maier

Hybrid LSTM-fully convolutional networks (LSTM-FCN) for time series classification have produced state-of-the-art classification results on univariate time series. We show that replacing the LSTM with a gated recurrent unit (GRU) to create…

机器学习 · 计算机科学 2019-10-02 Nelly Elsayed , Anthony S. Maida , Magdy Bayoumi

Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs) are two dominant models for image analysis. While CNNs excel at extracting multi-scale features and ViTs effectively capture global dependencies, both suffer from high…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Shicheng Yin , Kaixuan Yin , Weixing Chen , Enbo Huang , Yang Liu