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Recently, the sparse vector code (SVC) is emerging as a promising solution for short-packet transmission in massive machine type communication (mMTC) as well as ultra-reliable and low-latency communication (URLLC). In the SVC process, the…

信息论 · 计算机科学 2022-09-02 Linjie Yang , Pingzhi Fan

Indoor localization is of particular interest due to its immense practical applications. However, the rich multipath and high penetration loss of indoor wireless signal propagation make this task arduous. Though recently studied…

信号处理 · 电气工程与系统科学 2019-08-07 Guojun Xiong , Taejoon Kim , Erik Perrins

This paper describes an efficient approach for human face recognition based on blood perfusion data from infra-red face images. Blood perfusion data are characterized by the regional blood flow in human tissue and therefore do not depend…

计算机视觉与模式识别 · 计算机科学 2013-09-05 Ayan Seal , Mita Nasipuri , Debotosh Bhattacharjee , Dipak Kumar Basu

Quantum computing holds transformative potential for various fields, yet its practical application is hindered by the susceptibility to errors. This study makes a pioneering contribution by applying quantum error correction codes (QECCs)…

量子物理 · 物理学 2024-04-23 Avimita Chatterjee , Debarshi Kundu , Swaroop Ghosh

Quality assessment of fingerprints captured using digital cameras and smartphones, also called fingerphotos, is a challenging problem in biometric recognition systems. As contactless biometric modalities are gaining more attention, their…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Amol S. Joshi , Ali Dabouei , Jeremy Dawson , Nasser Nasrabadi

We present a method for estimating the undetected error rate when a cyclic redundancy check (CRC) is performed on the output of the decoder of short low-density parity-check (LDPC) codes. This system is of interest for telecommand links,…

信息论 · 计算机科学 2016-11-18 Marco Baldi , Nicola Maturo , Giacomo Ricciutelli , Franco Chiaraluce

The discrete cosine transform (DCT) is a relevant tool in signal processing applications, mainly known for its good decorrelation properties. Current image and video coding standards -- such as JPEG and HEVC -- adopt the DCT as a…

图像与视频处理 · 电气工程与系统科学 2022-12-09 T. L. T. da Silveira , D. R. Canterle , D. F. G. Coelho , V. A. Coutinho , F. M. Bayer , R. J. Cintra

The accurate segmentation of Coronary Computed Tomography Angiography (CCTA) images holds substantial clinical value for the early detection and treatment of Coronary Heart Disease (CHD). The Transformer, utilizing a self-attention…

图像与视频处理 · 电气工程与系统科学 2023-10-10 Chenchu Xu , Meng Li , Xue Wu

Dense registration of fingerprints is a challenging task due to elastic skin distortion, low image quality, and self-similarity of ridge pattern. To overcome the limitation of handcraft features, we propose to train an end-to-end network to…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Zhe Cui , Jianjiang Feng , Jie Zhou

While Large Language Models (LLMs) produce highly nuanced text simplifications, developers currently lack tools for a holistic, efficient, and reproducible diagnosis of their behavior. This paper introduces the Simplification Profiler, a…

计算与语言 · 计算机科学 2026-01-21 Lars Klöser , Mika Beele , Bodo Kraft

Neural network-based decoding methods show promise in enhancing error correction performance but face challenges with punctured codes. In particular, existing methods struggle to adapt to variable code rates or meet protocol compatibility…

机器学习 · 计算机科学 2025-10-31 Yongli Yan , Linglong Dai

High-quality speech coding at low bitrates is crucial for bandwidth-constrained applications, yet remains challenging due to the severe loss of quality-critical information in highly compressed representations. To overcome this challenge,…

音频与语音处理 · 电气工程与系统科学 2026-05-27 Xiao-Hang Jiang , Yang Ai , Hui-Peng Du , Zhen-Hua Ling , Ji Wu

We propose a novel fingerprint descriptor, namely M\"obius moduli, measuring local deviation of orientation fields (OF) of fingerprints from conformal fields, and we propose a method to robustly measure them, based on tetraquadrilaterals to…

应用统计 · 统计学 2017-08-08 Christina Imdahl , Carsten Gottschlich , Stephan Huckemann , Ken'ichi Ohshika

Image enhancement plays a crucial role in infant fingerprint matching, as child-specific characteristics such as smaller finger dimensions and thinner ridge structures often degrade image quality during acquisition. To address these…

Structural fingerprints and pharmacophore modeling are methodologies that have been used for at least two decades in various fields of cheminformatics: from similarity searching to machine learning (ML). Advances in silico techniques…

定量方法 · 定量生物学 2023-11-01 Dawid Warszycki , Łukasz Struski , Marek Śmieja , Rafał Kafel , Rafał Kurczab

Recent advancements in diffusion models have introduced fast sampling methods that can effectively produce high-quality images in just one or a few denoising steps. Interestingly, when these are distilled from existing diffusion models,…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Rinon Gal , Or Lichter , Elad Richardson , Or Patashnik , Amit H. Bermano , Gal Chechik , Daniel Cohen-Or

Decoding natural visual scenes from brain activity has flourished, with extensive research in single-subject tasks and, however, less in cross-subject tasks. Reconstructing high-quality images in cross-subject tasks is a challenging problem…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Zixuan Gong , Qi Zhang , Guangyin Bao , Lei Zhu , Ke Liu , Liang Hu , Duoqian Miao

The pre-trained point cloud model based on Masked Point Modeling (MPM) has exhibited substantial improvements across various tasks. However, these models heavily rely on the Transformer, leading to quadratic complexity and limited decoder,…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Yaohua Zha , Naiqi Li , Yanzi Wang , Tao Dai , Hang Guo , Bin Chen , Zhi Wang , Zhihao Ouyang , Shu-Tao Xia

Quantum error-correcting codes (QECCs) require high encoding rate in addition to high threshold unless a sufficiently large number of physical qubits are available. The many-hypercube (MHC) codes defined as the concatenation of the…

量子物理 · 物理学 2026-01-19 Ryota Nakai , Hayato Goto

Overlay measurements are a critical part of modern semiconductor fabrication, but overlay targets have not scaled down in the way devices have. In this work, we produce overlay targets with very small footprint, consisting of just a few…

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