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Environmental sound classification systems often do not perform robustly across different sound classification tasks and audio signals of varying temporal structures. We introduce a multi-stream convolutional neural network with temporal…

Sound · Computer Science 2019-01-28 Xinyu Li , Venkata Chebiyyam , Katrin Kirchhoff

This paper proposes a data-efficient, semi-supervised, two-pass framework for segmenting bird vocalizations. The framework utilizes a binary classification model to categorize frames of an input audio recording into the background or bird…

Audio and Speech Processing · Electrical Eng. & Systems 2019-02-27 Anshul Thakur , Padmanabhan Rajan

With the rising number of interconnected devices and sensors, modeling distributed sensor networks is of increasing interest. Recurrent neural networks (RNN) are considered particularly well suited for modeling sensory and streaming data.…

Machine Learning · Computer Science 2017-11-15 Stephan Baier , Sigurd Spieckermann , Volker Tresp

Graph-based deep learning on LiDAR point clouds encodes geometry through edge features, yet standard implementations use the same encoding at every scale. In tree species classification, where point density varies by orders of magnitude…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Said Ohamouddou , Hanaa El Afia , Mohamed Hamza Boulaich , Abdellatif El Afia , Raddouane Chiheb

Deep learning models are increasingly deployed in safety-critical applications, where reliable out-of-distribution (OOD) detection is essential to ensure robustness. Existing methods predominantly rely on the penultimate-layer activations…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Shreen Gul , Mohamed Elmahallawy , Ardhendu Tripathy , Sanjay Madria

Effective conservation actions require effective population monitoring. However, accurately counting animals in the wild to inform conservation decision-making is difficult. Monitoring populations through image sampling has made data…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Penny Tarling , Mauricio Cantor , Albert Clapés , Sergio Escalera

Accurate tumor segmentation and classification in breast ultrasound (BUS) imaging remain challenging due to low contrast, speckle noise, and diverse lesion morphology. This study presents a multi-task deep learning framework that jointly…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Samuel E. Johnny , Bernes L. Atabonfack , Israel Alagbe , Assane Gueye

DeepFake Audio, unlike DeepFake images and videos, has been relatively less explored from detection perspective, and the solutions which exist for the synthetic speech classification either use complex networks or dont generalize to…

Sound · Computer Science 2022-10-24 Vardhan Dongre , Abhinav Thimma Reddy , Nikhitha Reddeddy

Environmental Sound Classification (ESC) is an active research area in the audio domain and has seen a lot of progress in the past years. However, many of the existing approaches achieve high accuracy by relying on domain-specific features…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Andrey Guzhov , Federico Raue , Jörn Hees , Andreas Dengel

This research advances individual tree crown (ITC) segmentation in lidar data, using a deep learning model applicable to various laser scanning types: airborne (ULS), terrestrial (TLS), and mobile (MLS). It addresses the challenge of…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Maciej Wielgosz , Stefano Puliti , Binbin Xiang , Konrad Schindler , Rasmus Astrup

Underwater salient instance segmentation (USIS) is crucial for marine robotic systems, as it enables both underwater salient object detection and instance-level mask prediction for visual scene understanding. Compared with its terrestrial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Lin Hong , Xiangtong Yao , Mürüvvet Bozkurt , Xin Wang , Fumin Zhang

Microcalcification (MC) analysis is clinically important in screening mammography because clustered puncta can be an early sign of malignancy, yet dense MC segmentation remains challenging: targets are extremely small and sparse, dense…

Image and Video Processing · Electrical Eng. & Systems 2026-04-07 Hyunwoo Cho , Yeeun Kwon , Min Jung Kim , Yangmo Yoo

The estimation of underwater sound velocity distribution serves as a critical basis for facilitating effective underwater communication and precise positioning, given that variations in sound velocity influence the path of signal…

Signal Processing · Electrical Eng. & Systems 2026-04-10 Pengfei Wu , Wei Huang , Yujie Shi , Hao Zhang

Underwater acoustic target detection in remote marine sensing operations is challenging due to complex sound wave propagation. Despite the availability of reliable sonar systems, target recognition remains a difficult problem. Various…

Sound · Computer Science 2023-07-27 Jarin Ritu , Ethan Barnes , Riley Martell , Alexandra Van Dine , Joshua Peeples

Marine obstacle detection demands robust segmentation under challenging conditions, such as sun glitter, fog, and rapidly changing wave patterns. These factors degrade image quality, while the scarcity and structural repetition of marine…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Miaohua Zhang , Mohammad Ali Armin , Xuesong Li , Sisi Liang , Lars Petersson , Changming Sun , David Ahmedt-Aristizabal , Zeeshan Hayder

Deep learning has emerged as a powerful alternative to hand-crafted methods for emotion recognition on combined acoustic and text modalities. Baseline systems model emotion information in text and acoustic modes independently using Deep…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-13 Darshana Priyasad , Tharindu Fernando , Simon Denman , Clinton Fookes , Sridha Sridharan

Robust environment perception is essential for decision-making on robots operating in complex domains. Intelligent task execution requires principled treatment of uncertainty sources in a robot's observation model. This is important not…

Consensus-based decentralized stochastic gradient descent (D-SGD) is a widely adopted algorithm for decentralized training of machine learning models across networked agents. A crucial part of D-SGD is the consensus-based model averaging,…

Information Theory · Computer Science 2025-02-12 Daniel Pérez Herrera , Zheng Chen , Erik G. Larsson

Sparse inverse covariance estimation (i.e., edge de-tection) is an important research problem in recent years, wherethe goal is to discover the direct connections between a set ofnodes in a networked system based upon the observed…

Machine Learning · Computer Science 2021-01-15 Hang Yin , Xinyue Liu , Xiangnan Kong

In this work, we present a novel mask guided attention (MGA) method for fine-grained patchy image classification. The key challenge of fine-grained patchy image classification lies in two folds, ultra-fine-grained inter-category variances…

Computer Vision and Pattern Recognition · Computer Science 2021-09-23 Jun Wang , Xiaohan Yu , Yongsheng Gao