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15 results for “fundamental waveform”

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cs.SDEmpiricalRecentJun 12, 2026

Instantaneous Pitch Estimation via Wave-U-Net-Based Fundamental Waveform Enhancement

Junya Koguchi, Tomoki Koriyama

A Wave-U-Net model is trained to extract a fundamental waveform from input speech signals for accurate and robust instantaneous pitch estimation.

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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.CEeess.SPphysics.med-phRecentMay 28, 2026

A Lumped-Element Electrical Model of the Human Head for Brain-Oriented Applications

Angelo Faccia, Ermanno Citraro, Francesco P. Andriulli

The paper introduces a compact, dispersive RC circuit model for electro-quasi-static (EQS) head modeling, accurately representing the brain, skull, and scalp layers for brain-oriented applications.

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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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cs.CEeess.SPphysics.med-phRecentMay 28, 2026

A Lumped RC Equivalent Circuit Model of Head Tissues in sub-MHz Frequency Regimes

Angelo Faccia, Ermanno Citraro, Francesco P. Andriulli

The paper proposes a lumped RC equivalent circuit model to accurately simulate the electrical behavior of head tissues in the sub-MHz frequency range, offering a computationally efficient alternative…

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cs.LGcs.AIRecentMay 28, 2026

HARP: Hadamard-Preconditioned Adaptive Rotation Processor for Extreme LLM Quantization

Artur Zagitov, Gleb Molodtsov, Aleksandr Beznosikov

HARP introduces a novel, adaptive, learnable orthogonal processor that significantly improves the robustness and accuracy of extreme low-bit LLM quantization compared to fixed methods.

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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.LGcs.CLeess.SPRecentMay 31, 2026

Beyond Sinusoids: A Morlet Wavelet Framework for Transformer Positional Encoding

Athanasios Zeris

The paper introduces Morlet Positional Encoding (MoPE), a novel wavelet-based positional encoding that models position and locality simultaneously, outperforming standard sinusoidal and RoPE methods.

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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.SDcs.AIcs.CRRecentJun 4, 2026

Beyond Waveform Robustness: Robust Feature-Vocoder Adversarial Attacks on Automatic Speech Recognition

Yifan Liao, Zongmin Zhang, Zhen Sun, Yuhui Sun +2 more

The paper introduces a novel Clean-Referenced Feature-Vocoder Attack, a black-box adversarial attack that perturbs high-level SSL feature representations instead of raw audio waveforms, achieving supe…

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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.CReess.ASRecentMay 8, 2026

Asymmetric Phase Coding Audio Watermarking

Guang Yang, Amir Ghasemian, Ninareh Mehrabi, Homa Hosseinmardi

The paper proposes Asymmetric Phase Coding (APC), a training-free cryptographic audio watermarking scheme that achieves high extraction rates (97.5%-98.3%) across various real-world and adversarial at…

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cs.LGcs.AIcs.CLRecentMay 31, 2026

FreqLite: A Lightweight Frequency-Decomposed Linear Model with Adaptive Reversible Normalization for Robust Long-Term Time-Series Forecasting

Mirza Samad Ahmed Baiga, Syeda Anshrah Gillani

FreqLite introduces an ultra-lightweight, frequency-decomposed linear model that significantly outperforms complex transformers on long-term time-series forecasting while drastically reducing computat…

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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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cs.SDcs.AIcs.MMRecentMay 27, 2026

EigeNet: Geometry-Informed Multi-Modal Learning for Few-shot Novel View RIR Prediction

Chong Jing, Zitong Lan, Junan Zhang, Zhizheng Wu

EigeNet introduces a geometry-informed multi-modal Transformer framework to achieve state-of-the-art few-shot novel view Room Impulse Response (RIR) prediction by effectively integrating spatial geome…

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