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20 results for “Signal processing”

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cs.PFcs.ARRecentMay 27, 2026

Range, Not Precision: Block-Floating-Point Half-Precision FFT and SAR Imaging on Apple Silicon

Mohamed Amine Bergach

The paper demonstrates that for FFT-based radar imaging on Apple Silicon, the limiting factor for half-precision (FP16) is dynamic range, not mantissa precision, and proposes a block-floating-point (B…

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cs.LGRecentJun 1, 2026

Low-Pass Flow Matching

Francesco M. Ruscio, T. Konstantin Rusch

Low-Pass Flow Matching introduces a spectral bias into the flow matching process, allowing it to better model natural data by transitioning from a standard source spectrum to a frequency-decaying bias…

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cs.LGcs.CRRecentMay 4, 2026

Detecting Adversarial Data via Provable Adversarial Noise Amplification

Furkan Mumcu, Yasin Yilmaz

The paper formally proves a theorem regarding adversarial noise amplification and proposes a novel, lightweight detection mechanism that uses this enhanced signal for robust adversarial defense.

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cs.CRRecentApr 25, 2026

Core Logic and Algorithmic Performance Enhancements for a System Vulnerability Analysis Technique for Complex Mission Critical Systems Implementation

Matthew Tassava, Cameron Kolodjski, Jordan Milbrath, Jeremy Straub

The paper details significant enhancements to the SONARR system's core logic, replacing restrictive Boolean logic with generic data type support and adding multi-compute capabilities to improve vulner…

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cs.LGcs.AIcs.CVRecentMay 28, 2026

Functional MRI Time Series Generation via Wavelet-Based Image Transform and Spectral Flow Matching for Brain Disorder Identification

Hwa Hui Tew, Junn Yong Loo, Fang Yu Leong, Julia K. Lau +5 more

The paper introduces Dual-Spectral Flow Matching (DSFM), a novel generative framework that uses wavelet and cosine transforms to synthesize highly realistic, non-stationary fMRI time series for improv…

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cs.LGcs.AIRecentMay 30, 2026

Dive into Waves: Morlet Spectral Transformer for Cross-Subject Emotion Decoding from EEG

Jiaxin Qing, Lexin Li

The paper proposes the Morlet Spectral Transformer (MST), a novel architecture that effectively decodes cross-subject emotion from EEG by designing specialized spectral and spatial representations, ou…

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cs.SDcs.AReess.ASRecentJun 2, 2026

Feasibility of Time-Domain DNN-Based Speech Enhancement on Embedded FPGA for Hearing Aid

Feyisayo Olalere, Umut Altin, Kiki van der Heijden, Marcel van Gerven

This paper characterizes the gap between current DNN-based speech enhancement systems and hearing aid constraints, and proposes a lightweight architecture to meet these constraints.

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cs.ARcs.MSRecentJun 3, 2026

GoldenFloat: A Phi-Derived Static-Split Floating-Point Family from GF4 to GF256 with a Lucas-Exact Integer Identity

Dmitrii Vasiliev

This paper presents a hardware-oriented description of GoldenFloat, a static-split floating-point family, and its concrete artefacts.

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eess.SPcs.AIcs.LGRecentMay 28, 2026

SpikeWFM: Spiking-Aided Wireless Foundation Model for Robust Channel Prediction

Liwen Jing, Yisha Lu, Tingting Yang, Li Sun +4 more

The paper introduces SpikeWFM, a novel hybrid architecture combining spiking neural networks (SNNs) and transformers, which significantly improves the robustness and accuracy of wireless foundation mo…

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cs.AREmpiricalRecentJun 10, 2026

BenDi: An Energy-Efficient Quasi-Stochastic Systolic Architecture for Edge Bioelectronics

Bochen Ye, Yihan Pan, Shady Agwa, Themis Prodromakis

This paper presents BenDi, an energy-efficient quasi-stochastic systolic architecture for bioelectronic systems on the edge.

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cs.AIcs.HCRecentMay 31, 2026

A Minimalist Brain-Computer Musical Interface for Real-Time Emotion-Driven Sonification: System Design and Preliminary Evaluation

Pablo A. Monroy-D'Croz, Rafael Ramirez-Melendez, Julian Cespedes-Guevara

The paper designed a minimalist BCMI system to translate EEG-measured emotional valence into adaptive music, but preliminary testing showed that frontal alpha asymmetry was not reliably modulated by i…

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cs.CRRecentMay 9, 2026

Removing the Watermark Is Not Enough: Forensic Stealth in Generative-AI Watermark Removal

Yevin Nikhel Goonatilake, Giuseppe Ateniese

The paper demonstrates that current AI watermark removal techniques fail to achieve true forensic stealth, as the removal process often leaves behind detectable signals that distinguish the output fro…

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cs.LGcs.AIcs.CERecentJun 1, 2026

On the Generalization in Topology Optimization via Sensitivity-Conditioned Bernoulli Flow Matching

Mohammad Rashed, Duarte F. Valoroso Madeira, Babak Gholami, Caglar Guerbuez +2 more

The paper proposes using pseudo-sensitivities, derived from adjoint sensitivity fields, as an optimal conditioning signal in a Bernoulli flow-matching framework to significantly improve the out-of-dis…

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cs.LGcs.AIcs.CRRecentMay 8, 2026

UMEDA: Unified Multi-modal Efficient Data Fusion for Privacy-Preserving Graph Federated Learning via Spectral-Gated Attention and Diffusion-Based Operator Alignment

Shih-Yu Lai, Hirozumi Yamaguchi, Shang-Tse Chen, Yu-Lun Liu +1 more

UMEDA introduces a novel graph federated learning framework that uses spectral signal processing and diffusion models to enable privacy-preserving, robust localization across clients with highly heter…

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cs.CReess.SPRecentMay 14, 2026

Model Forensics in AI-Native Wireless Networks: Taxonomy, Applications, and Case Study

Pengyu Chen, Weiyang Li, Jin Xu, Jiacheng Wang +3 more

This paper surveys model forensics in AI-native wireless networks, detailing key security problems and demonstrating practical workflows for verifying model authenticity and detecting malicious functi…

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cs.CRcs.MMeess.IVRecentMay 15, 2026

A Method for Securely Transmitting Large Video Files Using Chaotic Compression and Encryption

Shiladitya Bhattacharjee, Subha Bhattacharya, Arnab Chatterjee, Sulabh Bansal +1 more

This paper proposes a novel Simultaneous Data Compression and Encryption (SDCE) system that combines chaotic map-based encryption with Huffman encoding to securely and efficiently transmit large video…

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eess.SPcs.CRcs.ITRecentApr 17, 2026

A Novel Framework for Transmitter Privacy in Integrated Sensing and Communication

Vaibhav Kumar, Ahmad Bazzi, Christina Pöpper, Marwa Chafii

The paper proposes a joint active-passive beamforming framework using RIS to enhance transmitter privacy in ISAC systems by maximizing the malicious sensor's channel estimation error while maintaining…

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cs.AIRecentMay 27, 2026

CubePart: An Open-Vocabulary Part-Controllable 3D Generator

Yiheng Zhu, Kangle Deng, Jean-Philippe Fauconnier, Inaki Navarro +8 more

CubePart is a generative framework that enables the creation of complex 3D meshes by explicitly controlling and generating individual, semantically defined parts based on open-vocabulary text prompts.

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cs.CLcs.AIRecentMay 29, 2026

Beyond Agreement: Scoring Panel-Surfaced Biomedical Entity Candidates for Curator Triage

Shuheng Cao, Ruiqi Chen, Renjie Cao, Zhenhao Zhang +2 more

The paper introduces BioConCal, a supervised scoring mechanism that evaluates biomedical NER candidates surfaced by multiple LLMs, significantly improving the quality of the candidate pool for human c…

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cs.CRcs.LGeess.SPRecentMar 23, 2026

mmFHE: mmWave Sensing with End-to-End Fully Homomorphic Encryption

Tanvir Ahmed, Yixuan Gao, Adnan Armouti, Rajalakshmi Nandakumar

mmFHE introduces the first system enabling end-to-end mmWave radar sensing using fully homomorphic encryption (FHE), allowing sensitive data processing on untrusted cloud infrastructure while maintain…

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