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Dependent Dirichlet processes (DDP) have been widely applied to model data from distributions over collections of measures which are correlated in some way. On the other hand, in recent years, increasing research efforts in machine learning…

机器学习 · 计算机科学 2021-06-17 Xiaoli Li

Volumetric medical image segmentation is a fundamental problem in medical image analysis where the objective is to accurately classify a given 3D volumetric medical image with voxel-level precision. In this work, we propose a novel…

图像与视频处理 · 电气工程与系统科学 2024-10-22 Daniya Najiha Abdul Kareem , Mustansar Fiaz , Noa Novershtern , Jacob Hanna , Hisham Cholakkal

Machine-learned potentials (MLPs) trained on ab initio data combine the computational efficiency of classical interatomic potentials with the accuracy and generality of the first-principles method used in the creation of the respective…

Multi contrast MRI synthesis is inherently challenging due to the complex and nonlinear relationships among different contrasts. Each MRI contrast highlights unique tissue properties, but their complementary information is difficult to…

图像与视频处理 · 电气工程与系统科学 2025-06-23 Sanuwani Dayarathna , Himashi Peiris , Kh Tohidul Islam , Tien-Tsin Wong , Zhaolin Chen

Noises, artifacts, and loss of information caused by the magnetic resonance (MR) reconstruction may compromise the final performance of the downstream applications. In this paper, we develop a re-weighted multi-task deep learning method to…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Kehan Qi , Yu Gong , Xinfeng Liu , Xin Liu , Hairong Zheng , Shanshan Wang

Mental disorders (MD) are among the top most demanding challenges in world-wide health. According to the World Health Organization, the burden of MDs continues to grow with significant impact on health and major social and human rights. A…

神经元与认知 · 定量生物学 2023-03-21 Thomas Wahl , Joséphine Riedinger , Michel Duprez , Axel Hutt

The emerging Learned Compression (LC) replaces the traditional codec modules with Deep Neural Networks (DNN), which are trained end-to-end for rate-distortion performance. This approach is considered as the future of image/video…

图像与视频处理 · 电气工程与系统科学 2024-07-08 Farhad Pakdaman , Moncef Gabbouj

Recently, deep clustering (DPCL) based speaker-independent speech separation has drawn much attention, since it needs little speaker prior information. However, it still has much room of improvement, particularly in reverberant…

声音 · 计算机科学 2019-10-25 Ziye Yang , Xiao-Lei Zhang

Domain mismatch problem caused by speaker-unrelated feature has been a major topic in speaker recognition. In this paper, we propose an explicit disentanglement framework to unravel speaker-relevant features from speaker-unrelated features…

音频与语音处理 · 电气工程与系统科学 2022-10-13 Sung Hwan Mun , Min Hyun Han , Minchan Kim , Dongjune Lee , Nam Soo Kim

Shallow water environments create a challenging channel for communications. In this paper, we focus on the challenges posed by the frequency-selective signal distortion called the Doppler effect. We explore the design and performance of…

信号处理 · 电气工程与系统科学 2019-09-11 Abigail Lee-Leon , Chau Yuen , Dorien Herremans

Quantitative magnetization transfer (MT) imaging enables non-invasive characterization of the macromolecular environment of tissues. However, recent work has highlighted that the quantification of MT parameters exhibits orientation…

医学物理 · 物理学 2025-10-06 Zijian Gao , Ziqiang Yu , Ziqin Zhou , Jian Hou , Baiyan Jiang , Michael Ong , Weitian Chen

The multipath radio channel is considered to have a non-bandlimited channel impulse response. Therefore, it is challenging to achieve high resolution time-delay (TD) estimation of multipath components (MPCs) from bandlimited observations of…

信号处理 · 电气工程与系统科学 2019-12-11 Tarik Kazaz , Gerard J. M. Janssen , Alle-Jan van der Veen

Inverse scattering problems are critical in electromagnetic imaging and medical diagnostics but are challenged by their nonlinearity and diverse measurement scenarios. This paper proposes a physics-informed deep contrast source inversion…

计算物理 · 物理学 2025-08-15 Haoran Sun , Daoqi Liu , Hongyu Zhou , Maokun Li , Shenheng Xu , Fan Yang

In this paper we present DMC, a model and associated tool for polarimetric imaging of very long baseline interferometry datasets that simultaneously reconstructs the full-Stokes emission structure along with the station-based gain and…

天体物理仪器与方法 · 物理学 2021-03-17 Dominic W. Pesce

Distinguishing acute ischemic strokes (AIS) from stroke mimics (SMs), particularly in cases involving medium and small vessel occlusions, remains a significant diagnostic challenge. While computed tomography (CT) based protocols are…

图像与视频处理 · 电气工程与系统科学 2025-08-22 Marijn Borghouts , Richard McKinley , Manuel Köstner , Josien Pluim , Roland Wiest , Ruisheng Su

Local field potential (LFP) has gained increasing interest as an alternative input signal for brain-machine interfaces (BMIs) due to its informative features, long-term stability, and low frequency content. However, despite these…

神经元与认知 · 定量生物学 2019-01-04 Nur Ahmadi , Timothy G. Constandinou , Christos-Savvas Bouganis

The construction of high quality health indicators (HIs) is crucial for effective prognostics and health management. Although deep learning has significantly advanced HI modeling, existing approaches often struggle with distribution…

机器学习 · 计算机科学 2026-03-12 Jungho Choo , Hanbyeol Park , Gawon Lee , Yunkyung Park , Hyerim Bae

Multi-channel deep clustering (MDC) has acquired a good performance for speech separation. However, MDC only applies the spatial features as the additional information. So it is difficult to learn mutual relationship between spatial and…

音频与语音处理 · 电气工程与系统科学 2020-02-06 Cunhang Fan , Bin Liu , Jianhua Tao , Jiangyan Yi , Zhengqi Wen

Multi-input multi-output orthogonal frequency division multiplexing (MIMO OFDM) is a key technology for mobile communication systems. However, due to the issue of high peak-to-average power ratio (PAPR), the OFDM symbols may suffer from…

信号处理 · 电气工程与系统科学 2021-06-01 Liangyuan Xu , Feifei Gao , Wei Zhang , Shaodan Ma

Medical imaging datasets are often characterized by extreme class imbalances, where rare pathologies are significantly underrepresented compared to common conditions. This imbalance poses a dual challenge for Open-Set Recognition (OSR):…

计算机视觉与模式识别 · 计算机科学 2026-05-04 Vishal , Arnav Aditya , Nitin Kumar , Saurabh J. Shigwan