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🔍 prabhat 📂 Computer Science 📄 Preprint
Showing 17 results for "prabhat" in Computer Science · Preprint
Computer Science Preprint PDF DOI

PAC learning PDFA from data streams

Robert Baumgartner, Sicco Verwer · 2026

This is an extended version of our publication Learning state machines from data streams: A generic strategy and an improved heuristic, International Conference on Grammatical Inference (ICGI) 2023, R…

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Computer Science Preprint PDF DOI

Big Data Approaches to Bovine Bioacoustics: A FAIR-Compliant Dataset and Scalable ML Framework for Precision Livestock Welfare

Mayuri Kate, Suresh Neethirajan · 2025

The convergence of IoT sensing, edge computing, and machine learning is transforming precision livestock farming. Yet bioacoustic data streams remain underused because of computational complexity and …

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Hardness and Algorithmic Results for Roman \{3\}-Domination

Sangam Balchandar Reddy · 2025

A Roman $\{3\}$-dominating function on a graph $G = (V, E)$ is a function $f: V \rightarrow \{0, 1, 2, 3\}$ such that for each vertex $u \in V$, if $f(u) = 0$ then $\sum_{v \in N(u)} f(v) \geq 3$ and …

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Computer Science Preprint PDF DOI

Comparative Evaluation of Acoustic Feature Extraction Tools for Clinical Speech Analysis

Anna Seo Gyeong Choi, Alexander Richardson, Ryan Partlan, Sunny Tang, Sunghye Cho · 2025

This study compares three acoustic feature extraction toolkits (OpenSMILE, Praat, and Librosa) applied to clinical speech data from individuals with schizophrenia spectrum disorders (SSD) and healthy …

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Computer Science Preprint PDF DOI

HiFi-Glot: High-Fidelity Neural Formant Synthesis with Differentiable Resonant Filters

Yicheng Gu, Pablo Perez Zarazaga, Chaoren Wang, Zhizheng Wu, Zofia Malisz, Gustav Eje Henter, Lauri Juvela · 2024

Formant synthesis aims to generate speech with controllable formant structures, enabling precise control of vocal resonance and phonetic features. However, while existing formant synthesis approaches …

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Computer Science Preprint PDF DOI

LDPC Codes with Soft Interference Cancellation for Uncoordinated Unsourced Multiple Access

Asit Kumar Pradhan, Vamsi K. Amalladinne, Krishna R. Narayanan, Jean-Francois Chamberland · 2021

This article presents a novel enhancement to the random spreading based coding scheme developed by Pradhan et al.\ for the unsourced multiple access channel. The original coding scheme features a pola…

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Computer Science Preprint PDF DOI

DBATES: DataBase of Audio features, Text, and visual Expressions in competitive debate Speeches

Taylan K. Sen, Gazi Naven, Luke Gerstner, Daryl Bagley, Raiyan Abdul Baten, Wasifur Rahman, Kamrul Hasan, Kurtis G. Haut, Abdullah Mamun, Samiha Samrose, Anne Solbu, R. Eric Barnes, Mark G. Frank, Ehsan Hoque · 2021

In this work, we present a database of multimodal communication features extracted from debate speeches in the 2019 North American Universities Debate Championships (NAUDC). Feature sets were extracte…

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Computer Science Preprint PDF DOI

The Potential of Restarts for ProbSAT

Jan-Hendrik Lorenz, Julian Nickerl · 2019

This work analyses the potential of restarts for probSAT, a quite successful algorithm for k-SAT, by estimating its runtime distributions on random 3-SAT instances that are close to the phase transiti…

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CRAFT: A multifunction online platform for speech prosody visualisation

Dafydd Gibbon · 2019

There are many research tools which are also used for teaching the acoustic phonetics of speech rhythm and speech melody. But they were not purpose-designed for teaching-learning situations, and some …

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Computer Science Preprint PDF DOI

Homologous Codes for Multiple Access Channels

Pinar Sen, Young-Han Kim · 2018

Building on recent development by Padakandla and Pradhan, and by Lim, Feng, Pastore, Nazer, and Gastpar, this paper studies the potential of structured nested coset coding as a complete replacement fo…

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Crowdsourcing the Policy Cycle

J. Prpic, A. Taeihagh, J. Melton · 2017

Crowdsourcing is beginning to be used for policymaking. The wisdom of crowds [Surowiecki 2005], and crowdsourcing [Brabham 2008], are seen as new avenues that can shape all kinds of policy, from trans…

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A New Coding Scheme for Discrete Memoryless MACs with Common Rate-Limited Feedback

Selma Belhadj Amor · 2015

We propose a new coding scheme for the discrete memoryless two-user multi-access channel (MAC) with rate-limited feedback. Our scheme combines ideas from the Venkataramanan-Pradhan scheme for perfect …

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Performance Comparison of Linear Prediction based Vocoders in Linux Platform

Lani Rachel Mathew, Ancy S. Anselam, Sakuntala S. Pillai · 2014

Linear predictive coders form an important class of speech coders. This paper describes the software level implementation of linear prediction based vocoders, viz. Code Excited Linear Prediction (CELP…

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Computing sum of sources over an arbitrary multiple access channel

Arun Padakandla, S. Sandeep Pradhan · 2013

The problem of computing sum of sources over a multiple access channel (MAC) is considered. Building on the technique of linear computation coding (LCC) proposed by Nazer and Gastpar [2007], we employ…

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Computer Science Preprint PDF DOI

n-Channel Asymmetric Entropy-Constrained Multiple-Description Lattice Vector Quantization

Jan Ostergaard, Richard Heusdens, Jesper Jensen · 2010

This paper is about the design and analysis of an index-assignment (IA) based multiple-description coding scheme for the n-channel asymmetric case. We use entropy constrained lattice vector quantizati…

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Securing AODV for MANETs using Message Digest with Secret Key

Kamaljit Lakhtaria, Bhaskar N. Patel, Satish G. Prajapati, N. N. Jani · 2010

This article has been withdrawn by arXiv admins because it contains plagiarized content from International Conference on Computer Networks and Security (ICCNS 2008, September 27-28, 2008): "Securing A…

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Computer Science Preprint PDF DOI

Source Coding with Fixed Lag Side Information

Emin Martinian, Gregory W. Wornell · 2004

We consider source coding with fixed lag side information at the decoder. We focus on the special case of perfect side information with unit lag corresponding to source coding with feedforward (the du…

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