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The application of neural networks to non-linear dynamic system identification tasks has a long history, which consists mostly of autoregressive approaches. Autoregression, the usage of the model outputs of previous time steps, is a method…

机器学习 · 计算机科学 2021-05-06 Daniel Weber , Clemens Gühmann

This paper introduces two recurrent neural network structures called Simple Gated Unit (SGU) and Deep Simple Gated Unit (DSGU), which are general structures for learning long term dependencies. Compared to traditional Long Short-Term Memory…

神经与进化计算 · 计算机科学 2016-05-16 Yuan Gao , Dorota Glowacka

Computed Tomography (CT) is a key 3D imaging technology that fundamentally relies on the compute-intense back-projection operation to generate 3D volumes. GPUs are typically used for back-projection in production CT devices. However, with…

分布式、并行与集群计算 · 计算机科学 2021-04-28 Peng Chen , Mohamed Wahib , Xiao Wang , Shinichiro Takizawa , Takahiro Hirofuchi , Hirotaka Ogawa , Satoshi Matsuoka

Deep unfolding networks (DUNs) have demonstrated significant potential in accelerating magnetic resonance imaging (MRI). However, they often encounter high computational costs and slow convergence rates. Besides, they struggle to fully…

图像与视频处理 · 电气工程与系统科学 2024-10-01 Xiaoyu Qiao , Weisheng Li , Guofen Wang , Yuping Huang

Tomography medical imaging is essential in the clinical workflow of modern cancer radiotherapy. Radiation oncologists identify cancerous tissues, applying delineation on treatment regions throughout all image slices. This kind of task is…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Chun-Hung Chao , Yen-Chi Cheng , Hsien-Tzu Cheng , Chi-Wen Huang , Tsung-Ying Ho , Chen-Kan Tseng , Le Lu , Min Sun

Traffic flow prediction plays a crucial role in alleviating traffic congestion and enhancing transport efficiency. While combining graph convolution networks with recurrent neural networks for spatial-temporal modeling is a common strategy…

机器学习 · 计算机科学 2024-01-10 Haiyang Liu , Chunjiang Zhu , Detian Zhang

In this paper, we investigate image reconstruction for dynamic Computed Tomography. The motion of the target with respect to the measurement acquisition rate leads to highly resolved in time but highly undersampled in space measurements.…

图像与视频处理 · 电气工程与系统科学 2025-06-27 Pablo Arratia , Matthias Ehrhardt , Lisa Kreusser

The cost aggregation strategy shows a crucial role in learning-based stereo matching tasks, where 3D convolutional filters obtain state of the art but require intensive computation resources, while 2D operations need less GPU memory but are…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Hongzhi Du , Yanyan Li , Yanbiao Sun , Jigui Zhu , Federico Tombari

The rapid growth of modern machine learning (ML) models presents fundamental challenges in parameter efficiency and computational resource requirements. This study introduces the Quantum Recurrent Unit (QRU), a novel quantum neural network…

量子物理 · 物理学 2026-01-28 Tzong-Daw Wu , Hsi-Sheng Goan

Recently, many works have designed wider and deeper networks to achieve higher image super-resolution performance. Despite their outstanding performance, they still suffer from high computational resources, preventing them from directly…

计算机视觉与模式识别 · 计算机科学 2023-03-03 Axi Niu , Pei Wang , Yu Zhu , Jinqiu Sun , Qingsen Yan , Yanning Zhang

Accurate dose calculations in proton therapy rely on high-quality CT images. While planning CTs (pCTs) serve as a reference for dosimetric planning, Cone Beam CT (CBCT) is used throughout Adaptive Radiotherapy (ART) to generate sCTs for…

计算机视觉与模式识别 · 计算机科学 2025-03-12 David Vallmanya Poch , Yorick Estievenart , Elnura Zhalieva , Sukanya Patra , Mohammad Yaqub , Souhaib Ben Taieb

SPECT (Single-photon Emission Computerized Tomography) and PET (Positron Emission Tomography) are essential medical imaging tools, for which the sampling angle number, scan time should be chosen carefully to compromise between image quality…

医学物理 · 物理学 2015-06-16 Xiaolin Zhou , Minkai Yun , Xuexiang Cao , Shuangquan Liu , Lu Wang , Xianchao Huang , Long Wei

Monocular Semantic Scene Completion (MSSC) aims to predict the voxel-wise occupancy and semantic category from a single-view RGB image. Existing methods adopt a single-stage framework that aims to simultaneously achieve visible region…

计算机视觉与模式识别 · 计算机科学 2025-07-24 Xuzhi Wang , Xinran Wu , Song Wang , Lingdong Kong , Ziping Zhao

Graph convolutional networks (GCNs) have been widely used and achieved remarkable results in skeleton-based action recognition. In GCNs, graph topology dominates feature aggregation and therefore is the key to extracting representative…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Yuxin Chen , Ziqi Zhang , Chunfeng Yuan , Bing Li , Ying Deng , Weiming Hu

Recurrent neural networks have flourished in many areas. Consequently, we can see new RNN cells being developed continuously, usually by creating or using gates in a new, original way. But what if we told you that gates in RNNs are…

机器学习 · 计算机科学 2023-11-23 Ronalds Zakovskis , Andis Draguns , Eliza Gaile , Emils Ozolins , Karlis Freivalds

Total-variation (TV)-based Computed Tomography (CT) image reconstruction has shown experimentally to be capable of producing accurate reconstructions from sparse-view data. In particular TV-based reconstruction is very well suited for…

The Quantum Approximate Optimization Algorithm (QAOA), a pivotal paradigm in the realm of variational quantum algorithms (VQAs), offers promising computational advantages for tackling combinatorial optimization problems. Well-defined…

量子物理 · 物理学 2023-11-15 Zuyu Xu , Pengnian Cai , Kang Sheng , Tao Yang , Yuanming Hu , Yunlai Zhu , Zuheng Wu , Yuehua Dai , Fei Yang

Purpose: Cone-beam CT (CBCT) plays an important role in image guided radiation therapy (IGRT). However, the large radiation dose from serial CBCT scans in most IGRT procedures raises a clinical concern, especially for pediatric patients who…

医学物理 · 物理学 2015-05-18 Xun Jia , Yifei Lou , Ruijiang Li , William Y. Song , Steve B. Jiang

Driven by deep learning, there has been a surge of specialized processors for matrix multiplication, referred to as TensorCore Units (TCUs). These TCUs are capable of performing matrix multiplications on small matrices (usually 4x4 or…

性能 · 计算机科学 2019-11-26 Abdul Dakkak , Cheng Li , Isaac Gelado , Jinjun Xiong , Wen-mei Hwu

In this paper, we present our approach to the 3D CBCT Challenge 2024, a part of ICASSP SP Grand Challenges 2024. Improvement in Cone Beam Computed Tomography (CBCT) reconstruction has been achieved by integrating Swin Image Restoration…

图像与视频处理 · 电气工程与系统科学 2024-11-19 Sasidhar Alavala , Subrahmanyam Gorthi