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This work presents a cost-effective technique for designing robust adaptive beamforming algorithms based on efficient covariance matrix reconstruction with iterative spatial power spectrum (CMR-ISPS). The proposed CMR-ISPS approach…

机器学习 · 计算机科学 2023-09-06 S. Mohammadzadeh , V. H. Nascimento , R. C. de Lamare , O. Kukrer

Emerging Implicit Neural Representation (INR) is a promising data compression technique, which represents the data using the parameters of a Deep Neural Network (DNN). Existing methods manually partition a complex scene into local regions…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Jianchen Zhao , Cheng-Ching Tseng , Ming Lu , Ruichuan An , Xiaobao Wei , He Sun , Shanghang Zhang

Accurate tumor detection in digital pathology whole-slide images (WSIs) is crucial for cancer diagnosis and treatment planning. Multiple Instance Learning (MIL) has emerged as a widely used approach for weakly-supervised tumor detection…

图像与视频处理 · 电气工程与系统科学 2025-03-03 Marina D'Amato , Jeroen van der Laak , Francesco Ciompi

Inter-crystal scattering (ICS) in Positron Emission Tomography (PET) is commonly regarded as a degradation effect that might compromise the image spatial resolution. In parallel, the inclusion of ICS events has also been recognized as a…

医学物理 · 物理学 2026-05-12 Jorge Roser , Hong Phuc Vo , Rebecca Kantorek , Steven Seeger , Magdalena Rafecas

Deep learning models achieve strong performance in chest radiograph (CXR) interpretation, yet fairness and reliability concerns persist. Models often show uneven accuracy across patient subgroups, leading to hidden failures not reflected in…

计算机视觉与模式识别 · 计算机科学 2025-10-03 Han-Jay Shu , Wei-Ning Chiu , Shun-Ting Chang , Meng-Ping Huang , Takeshi Tohyama , Ahram Han , Po-Chih Kuo

Implicit Neural representations (INRs) are widely used for scientific data reduction and visualization by modeling the function that maps a spatial location to a data value. Without any prior knowledge about the spatial distribution of…

图形学 · 计算机科学 2024-02-22 Haoyu Li , Han-Wei Shen

Interpretable entity representations (IERs) are sparse embeddings that are "human-readable" in that dimensions correspond to fine-grained entity types and values are predicted probabilities that a given entity is of the corresponding type.…

计算与语言 · 计算机科学 2022-12-06 Diego Garcia-Olano , Yasumasa Onoe , Joydeep Ghosh , Byron C. Wallace

The approximation and convergence properties of implicit neural representations (INRs) are known to be highly sensitive to parameter initialization strategies. While several data-driven initialization methods demonstrate significant…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Kushal Vyas , Alper Kayabasi , Daniel Kim , Vishwanath Saragadam , Ashok Veeraraghavan , Guha Balakrishnan

Fast Magnetic Resonance Imaging (MRI) is highly in demand for many clinical applications in order to reduce the scanning cost and improve the patient experience. This can also potentially increase the image quality by reducing the motion…

计算机视觉与模式识别 · 计算机科学 2017-05-23 Simiao Yu , Hao Dong , Guang Yang , Greg Slabaugh , Pier Luigi Dragotti , Xujiong Ye , Fangde Liu , Simon Arridge , Jennifer Keegan , David Firmin , Yike Guo

Passive radar has key advantages over its active counterpart in terms of cost and stealth. In this paper, we address passive radar imaging problem by interferometric inversion using a spectral estimation method with a priori information…

信号处理 · 电气工程与系统科学 2022-12-06 Samia Kazemi , Bariscan Yonel , Birsen Yazici

This paper presents an echo-side modulation framework for integrated sensing and communication (ISAC) systems. A space-time reconfigurable intelligent surface (ST-RIS) impresses a continuous-phase modulation onto the radar echo, enabling…

信号处理 · 电气工程与系统科学 2026-01-15 Marouan Mizmizi , Stefano Tebaldini , Umberto Spagnolini

Intelligent reflecting surface (IRS), which consists of a large number of tunable reflective elements, is capable of enhancing the wireless propagation environment in a cellular network by intelligently reflecting the electromagnetic waves…

信号处理 · 电气工程与系统科学 2021-06-10 Tao Jiang , Hei Victor Cheng , Wei Yu

We present a radar sensing framework based on a low-complexity, quantized reconfigurable intelligent surface (RIS) that enables programmable manipulation of electromagnetic wavefronts for enhanced detection in non-specular and shadowed…

系统与控制 · 电气工程与系统科学 2026-03-31 Kainat Yasmeen , Shobha Sundar Ram , Debidas Kundu

The present paper introduces a method for substantial reduction of the number of diffusion encoding gradients required for reliable reconstruction of HARDI signals. The method exploits the theory of compressed sensing (CS), which…

信息论 · 计算机科学 2010-09-21 Oleg Michailovich , Yogesh Rathi , Sudipto Dolui

Zero-shot learning (ZSL) enables the recognition of novel classes by leveraging semantic knowledge transfer from known to unknown categories. This knowledge, typically encapsulated in attribute descriptions, aids in identifying…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Haojian Huang , Xiaozhen Qiao , Zhuo Chen , Haodong Chen , Bingyu Li , Zhe Sun , Mulin Chen , Xuelong Li

Diffuse correlation spectroscopy (DCS) is an emerging noninvasive technique that measures the tissue blood flow, by using near-infrared coherent point-source illumination to detect spectral changes. While machine learning has demonstrated…

机器学习 · 计算机科学 2024-02-02 Xi Chen , Xingda Li

Spatially resolved Electron Energy-Loss Spectroscopy (EELS) conducted in a Scanning Transmission Electron Microscope (STEM) enables the acquisition of hyperspectral images (HSIs). Spectral unmixing (SU) is the process of decomposing each…

数据分析、统计与概率 · 物理学 2023-10-13 N. Brun , G. Lambert , L. Bocher

Image super-resolution (SR) has attracted increasing attention due to its wide applications. However, current SR methods generally suffer from over-smoothing and artifacts, and most work only with fixed magnifications. This paper introduces…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Sicheng Gao , Xuhui Liu , Bohan Zeng , Sheng Xu , Yanjing Li , Xiaoyan Luo , Jianzhuang Liu , Xiantong Zhen , Baochang Zhang

Model-driven analysis of biophysical phenomena is gaining increased attention and utility for medical imaging applications. In magnetic resonance imaging (MRI), the availability of well-established models for describing the relations…

医学物理 · 物理学 2023-10-31 Dinor Nagar , Nikita Vladimirov , Christian T. Farrar , Or Perlman

Incremental semantic segmentation(ISS) is an emerging task where old model is updated by incrementally adding new classes. At present, methods based on convolutional neural networks are dominant in ISS. However, studies have shown that such…

计算机视觉与模式识别 · 计算机科学 2022-11-21 Zekai Xu , Mingyi Zhang , Jiayue Hou , Xing Gong , Chuan Wen , Chengjie Wang , Junge Zhang