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Deep learning (DL) has recently emerged to address the heavy storage and computation requirements of the baseline dictionary-matching (DM) for Magnetic Resonance Fingerprinting (MRF) reconstruction. Fed with non-iterated back-projected…

计算机视觉与模式识别 · 计算机科学 2019-02-28 Mohammad Golbabaee , Carolin M. Pirkl , Marion I. Menzel , Guido Buonincontri , Pedro A. Gómez

Non-destructive characterization of multi-layered structures that can be accessed from only a single side is important for applications such as well-bore integrity inspection. Existing methods related to Synthetic Aperture Focusing…

图像与视频处理 · 电气工程与系统科学 2023-02-13 Abdulrahman M. Alanazi , Singanallur Venkatakrishnan , Gregery T. Buzzard , Charles A. Bouman

Compressed sensing has been discussed separately in spatial and temporal domains. Compressive holography has been introduced as a method that allows 3D tomographic reconstruction at different depths from a single 2D image. Coded exposure is…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Zihao Wang , Leonidas Spinoulas , Kuan He , Huaijin Chen , Lei Tian , Aggelos K. Katsaggelos , Oliver Cossairt

With increasing usage of fingerprints as an important biometric data, the need to compress the large fingerprint databases has become essential. The most recommended compression algorithm, even by standards, is JPEG2K. But at high…

计算机视觉与模式识别 · 计算机科学 2016-01-12 Hamid Mansouri , Hamid-Reza Pourreza

Conventional speaker localization algorithms, based merely on the received microphone signals, are often sensitive to adverse conditions, such as: high reverberation or low signal to noise ratio (SNR). In some scenarios, e.g. in meeting…

声音 · 计算机科学 2015-08-14 Bracha Laufer-Goldshtein , Ronen Talmon , Sharon Gannot

Magnetic resonance fingerprinting (MRF) is a new technique for simultaneously quantifying multiple MR parameters using one temporally resolved MR scan. But its brute-force dictionary generating and searching (DGS) process causes a huge disk…

数据结构与算法 · 计算机科学 2017-10-31 Ze Wang

Acoustic holographic rendering in complete analogy with optical holography are useful for various applications, ranging from multi-focal lensing, multiplexed sensing and synthesizing three-dimensional complex sound fields. Conventional…

材料科学 · 物理学 2016-07-21 Yangbo Xie , Chen Shen , Wenqi Wang , Junfei Li , Dingjie Suo , Bogdan-Ioan Popa , Yun Jing , Steven A. Cummer

Near-infrared array detectors, like the \JWST NIRSpec's Teledyne's H2RGs, often provide reference pixels and a reference output. These are used to remove correlated noise. Improved Reference Sampling and Subtraction (\IRSSquare, pronounced…

The localization technology is important for the development of indoor location-based services (LBS). The radio frequency (RF) fingerprint-based localization is one of the most promising approaches. However, it is challenging to apply this…

信号处理 · 电气工程与系统科学 2017-12-06 Yu Zhang , Xiao-Yang Liu

Applying speech super-resolution (SR) to recordings with severely low sampling rates is a critical challenge in digital archiving and investigative audio recovery. In these scenarios, the input lacks essential acoustic cues. Consequently,…

声音 · 计算机科学 2025-12-19 Jiajun Yuan , Xiaochen Wang , Yuhang Xiao , Yulin Wu , Chenhao Hu , Xueyang Lv

Historical documents represent an invaluable cultural heritage, yet have undergone significant degradation over time through tears, water erosion, and oxidation. Existing Historical Document Restoration (HDR) methods primarily focus on…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Yuyi Zhang , Peirong Zhang , Zhenhua Yang , Pengyu Yan , Yongxin Shi , Pengwei Liu , Fengjun Guo , Lianwen Jin

Fingerprint feature extraction is a task that is solved using either a global or a local representation. State-of-the-art global approaches use heavy deep learning models to process the full fingerprint image at once, which makes the…

计算机视觉与模式识别 · 计算机科学 2022-09-09 Saraansh Tandon , Anoop Namboodiri

The quality of numerically simulated spectra using real-time evolution methods for strongly correlated systems is affected by both the length of simulation time and the system size, limiting resolution in both frequency and momentum. In…

强关联电子 · 物理学 2025-09-22 Ta Tang , Chunjing Jia , Brian Moritz , Thomas P. Devereaux

To achieve high range resolution profile (HRRP), the geometric theory of diffraction (GTD) parametric model is widely used in stepped-frequency radar system. In the paper, a fast synthetic range profile algorithm, called orthogonal matching…

信息论 · 计算机科学 2012-06-12 Rong Fan , Qun Wan , Xiao Zhang , Hui Chen , Yipeng Liu

Compression-based representations (CBRs) from neural audio codecs such as EnCodec capture intricate acoustic features like pitch and timbre, while representation-learning-based representations (RLRs) from pre-trained models trained for…

音频与语音处理 · 电气工程与系统科学 2025-06-05 Orchid Chetia Phukan , Girish , Mohd Mujtaba Akhtar , Swarup Ranjan Behera , Pailla Balakrishna Reddy , Arun Balaji Buduru , Rajesh Sharma

Recently, experiments have been reported where researchers were able to perform high dynamic range (HDR) tomography in a heuristic fashion, by fusing multiple tomographic projections. This approach to HDR tomography has been inspired by HDR…

信息论 · 计算机科学 2021-05-11 Matthias Beckmann , Ayush Bhandari , Felix Krahmer

In this paper, a deep-learning-based method for sound field reconstruction is proposed. It is shown the possibility to reconstruct the magnitude of the sound pressure in the frequency band 30-300 Hz for an entire room by using a very low…

声音 · 计算机科学 2020-08-07 Francesc Lluís , Pablo Martínez-Nuevo , Martin Bo Møller , Sven Ewan Shepstone

MR data are acquired in the frequency domain, known as k-space. Acquiring high-quality and high-resolution MR images can be time-consuming, posing a significant challenge when multiple sequences providing complementary contrast information…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Georgia Kanli , Daniele Perlo , Selma Boudissa , Radovan Jirik , Olivier Keunen

High-dynamic-range (HDR) imaging is an essential technique for overcoming the dynamic range limits of image sensors. The classic method relies on multiple exposures, which slows capture time, resulting in motion artifacts when imaging…

图像与视频处理 · 电气工程与系统科学 2025-09-16 Xiang Dai , Kyrollos Yanny , Kristina Monakhova , Nicholas Antipa

This paper presents a multimodal biometric system of fingerprint and ear biometrics. Scale Invariant Feature Transform (SIFT) descriptor based feature sets extracted from fingerprint and ear are fused. The fused set is encoded by K-medoids…

计算机视觉与模式识别 · 计算机科学 2010-02-03 Dakshina Ranjan Kisku , Phalguni Gupta , Jamuna Kanta Sing