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We present Cross-View Splatter, a feed-forward method that predicts pixel-aligned Gaussian splats for outdoor scenes captured at ground level AND by satellite. Faithful reconstructions require good camera coverage, but ground imagery is…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Matias Turkulainen , Akshay Krishnan , Filippo Aleotti , Mohamed Sayed , Guillermo Garcia-Hernando , Juho Kannala , Arno Solin , Gabriel Brostow , Daniyar Turmukhambetov

Microwave backhaul links are characterized by high signal-to-noise ratios permitting spectrally-efficient transmission. The used signal constellation sizes and achievable data rates are typically limited by transceiver impairments,…

Signal Processing · Electrical Eng. & Systems 2020-12-25 Elena-Iulia Dobre , Ayman Mostafa , Lutz Lampe , Hoda ShahMohammadian , Ming Jian

In this correspondence, we present a reconfigurable intelligent surface (RIS) that reflects an incident signal to the desired direction, depending on the pulse width. This unique reconfigurability emerges by virtue of the transient response…

While extracting the temporal dynamical features based on the time-frequency analyses, like the reassignment and synchrosqueezing transform, attracts more and more interest in bio-medical data analysis, we should be careful about artifacts…

Applications · Statistics 2015-12-16 Yu-Ting Lin , Patrick Flandrin , Hau-tieng Wu

Simultaneous wireless information and power transfer (SWIPT) has emerged as a viable technique to energize and connect low-power autonomous devices and enable future Internet of Things (IoT). A major challenge of SWIPT is the energy…

Information Theory · Computer Science 2021-04-20 Junghoon Kim , Bruno Clerckx

Enabling direct communication between wireless technologies immediately brings significant benefits including, but not limited to, cross-technology interference mitigation and context-aware smart operation. To explore the opportunities, we…

Networking and Internet Architecture · Computer Science 2017-07-11 Song Min Kim , Shigemi Ishida , Shuai Wang , Tian He

In this paper we investigate new results on the theory of superoscillations using time-frequency analysis tools and techniques such as the short-time Fourier transform (STFT) and the Zak transform. We start by studying how the short-time…

Functional Analysis · Mathematics 2024-07-18 Daniel Alpay , Antonino De Martino , Kamal Diki , Daniele C. Struppa

In this paper, we present a novel approach that can exactly recover extended targets in wave-based multistatic interferometric imaging, based on Generalized Wirtinger Flow (GWF) theory [1]. Interferometric imaging is a generalization of…

Signal Processing · Electrical Eng. & Systems 2020-11-10 Bariscan Yonel , Il-Young Son , Birsen Yazici

In nature and engineering world, the acquired signals are usually affected by multiple complicated factors and appear as multicomponent nonstationary modes. In such and many other situations, it is necessary to separate these signals into a…

Signal Processing · Electrical Eng. & Systems 2021-10-14 Lin Li , Ningning Han , Qingtang Jiang , Charles K. Chui

Diffusion magnetic resonance imaging (MRI) is the only imaging modality for non-invasive movement detection of in vivo water molecules, with significant clinical and research applications. Diffusion weighted imaging (DWI) MRI acquired by…

In the clinical setting of histopathology, whole-slide image (WSI) artifacts frequently arise, distorting regions of interest, and having a pernicious impact on WSI analysis. Image-to-image translation networks such as CycleGANs are in…

Image and Video Processing · Electrical Eng. & Systems 2022-12-19 Cameron Dahan , Stergios Christodoulidis , Maria Vakalopoulou , Joseph Boyd

This paper studies an intelligent reflecting surface (IRS)-assisted multiuser multiple-input single-output (MISO) simultaneous wireless information and power transfer (SWIPT) system. In this system, a multi-antenna access point (AP) uses…

Signal Processing · Electrical Eng. & Systems 2019-10-17 Yizheng Tang , Ganggang Ma , Hailiang Xie , Jie Xu , Xiao Han

Ptychography is a popular imaging technique that combines diffractive imaging with scanning microscopy. The technique consists of a coherent beam that is scanned across an object in a series of overlapping positions, leading to reliable and…

Numerical Analysis · Mathematics 2024-08-08 Ricardo Parada , Samy Wu Fung , Stanley Osher

We have conducted optical and X-ray simultaneous observations of SWIFT J1753.5-0127 with RXTE and ULTRACAM, while the system persisted in its relatively bright low/hard state. In the cross-correlation function (CCF), we find that the…

We study the impact of the spread spectrum effect in radio interferometry on the quality of image reconstruction. This spread spectrum effect will be induced by the wide field-of-view of forthcoming radio interferometric telescopes. The…

Instrumentation and Methods for Astrophysics · Physics 2013-01-31 Laura Wolz , Filipe B. Abdalla , Rafael E. Carrillo , Yves Wiaux , Jason D. McEwen

Quantum-optical coherence tomography (Q-OCT) provides a dispersion-canceled axial-imaging method, but its practical use is limited by the weakness of the light source and by artifacts in the images. A recent study using chirped-pulse…

Optics · Physics 2016-04-13 Kazuhisa Ogawa , Masao Kitano

This paper analyzes the working principle of four-switch cross-shaped reconfigurable intelligent surface (RIS) in detail and reveals the different types of RIS that can be designed based on this structure. Combined with the design examples…

Applied Physics · Physics 2024-11-04 Xiaocun Zong , Binchao Zhang , Fan Yang , Shenheng Xu , Maokun Li

Crosstalk is a major concern in the implementation of large-scale quantum computation since it can degrade the performance of qubit addressing and cause gate errors. Finding the origin of crosstalk and separating contributions from…

Quantum Physics · Physics 2022-06-23 Peng Zhao , Yingshan Zhang , Xuegang Li , Jiaxiu Han , Huikai Xu , Guangming Xue , Yirong Jin , Haifeng Yu

Artifacts on magnetic resonance scans are a serious challenge for both radiologists and computer-aided diagnosis systems. Most commonly, artifacts are caused by motion of the patients, but can also arise from device-specific abnormalities…

Image and Video Processing · Electrical Eng. & Systems 2022-10-18 Lennart Alexander Van der Goten , Kevin Smith

Full waveform inversion (FWI) is an important and popular technique in subsurface earth property estimation. However, using the least-squares norm in the misfit function often leads to the local minimum solution of the optimization problem,…

Numerical Analysis · Mathematics 2021-04-06 Da Li , Michael P. Lamoureux , Wenyuan Liao
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