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The task of estimating the fundamental frequency of a monophonic sound recording, also known as pitch tracking, is fundamental to audio processing with multiple applications in speech processing and music information retrieval. To date, the…

Audio and Speech Processing · Electrical Eng. & Systems 2018-02-20 Jong Wook Kim , Justin Salamon , Peter Li , Juan Pablo Bello

This work describes and discusses an algorithm submitted to the Sound Event Localization and Detection Task of DCASE2019 Challenge. The proposed methodology relies on parametric spatial audio analysis for source localization and detection,…

Sound · Computer Science 2019-08-28 Andres Perez-Lopez , Eduardo Fonseca , Xavier Serra

Lifelong event detection aims to incrementally update a model with new event types and data while retaining the capability on previously learned old types. One critical challenge is that the model would catastrophically forget old types…

Computation and Language · Computer Science 2022-09-19 Minqian Liu , Shiyu Chang , Lifu Huang

RFID technology is gaining adoption on an increasing scale for tracking and monitoring purposes. Wide deployments of RFID devices will soon generate an unprecedented volume of data. Emerging applications require the RFID data to be filtered…

Databases · Computer Science 2007-05-23 Daniel Gyllstrom , Eugene Wu , Hee-Jin Chae , Yanlei Diao , Patrick Stahlberg , Gordon Anderson

Complex event processing (CEP) is a prominent technology used in many modern applications for monitoring and tracking events of interest in massive data streams. CEP engines inspect real-time information flows and attempt to detect…

Databases · Computer Science 2018-05-01 Ilya Kolchinsky , Assaf Schuster

Complex Event Recognition (CER) systems are a prominent technology for finding user-defined query patterns over large data streams in real time. CER query evaluation is known to be computationally challenging, since it requires maintaining…

Databases · Computer Science 2022-05-30 Marco Bucchi , Alejandro Grez , Andrés Quintana , Cristian Riveros , Stijn Vansummeren

Process mining, a data-driven approach for analyzing, visualizing, and improving business processes using event logs, has emerged as a powerful technique in the field of business process management. Process forecasting is a sub-field of…

Machine Learning · Computer Science 2023-12-18 Wenjun Zhou , Artem Polyvyanyy , James Bailey

Most successful computer vision models transform low-level features, such as Gabor filter responses, into richer representations of intermediate or mid-level complexity for downstream visual tasks. These mid-level representations have not…

Computer Vision and Pattern Recognition · Computer Science 2021-05-14 Weng Fei Low , Ankit Sonthalia , Zhi Gao , André van Schaik , Bharath Ramesh

In this paper, we present a method called HODGEPODGE\footnotemark[1] for large-scale detection of sound events using weakly labeled, synthetic, and unlabeled data proposed in the Detection and Classification of Acoustic Scenes and Events…

Sound · Computer Science 2019-07-18 Ziqiang Shi , Liu Liu , Huibin Lin , Rujie Liu , Anyan Shi

Noise reduction techniques based on deep learning have demonstrated impressive performance in enhancing the overall quality of recorded speech. While these approaches are highly performant, their application in audio engineering can be…

Sound · Computer Science 2023-10-18 Christian J. Steinmetz , Thomas Walther , Joshua D. Reiss

Complex Event Processing (CEP) is an emerging field with important applications in many areas. CEP systems collect events arriving from input data streams and use them to infer more complex events according to predefined patterns. The…

Databases · Computer Science 2018-07-03 Ilya Kolchinsky , Assaf Schuster , Danny Keren

Electrophysiological observation plays a major role in epilepsy evaluation. However, human interpretation of brain signals is subjective and prone to misdiagnosis. Automating this process, especially seizure detection relying on scalp-based…

Machine Learning · Computer Science 2018-07-06 David Ahmedt-Aristizabal , Clinton Fookes , Kien Nguyen , Sridha Sridharan

In complex event processing (CEP), load shedding is performed to maintain a given latency bound during overload situations when there is a limitation on resources. However, shedding load implies degradation in the quality of results (QoR).…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-06-29 Ahmad Slo , Sukanya Bhowmik , Kurt Rothermel

Natural Language Processing has recently made understanding human interaction easier, leading to improved sentimental analysis and behaviour prediction. However, the choice of words and vocal cues in conversations presents an underexplored…

Computers and Society · Computer Science 2022-06-24 Amna Anwar , Eiman Kanjo , Dario Ortega Anderez

Polyphonic sound event detection and direction-of-arrival estimation require different input features from audio signals. While sound event detection mainly relies on time-frequency patterns, direction-of-arrival estimation relies on…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-17 Thi Ngoc Tho Nguyen , Douglas L. Jones , Woon-Seng Gan

Sound event localization frameworks based on deep neural networks have shown increased robustness with respect to reverberation and noise in comparison to classical parametric approaches. In particular, recurrent architectures that…

Key features of mental illnesses are reflected in speech. Our research focuses on designing a multimodal deep learning structure that automatically extracts salient features from recorded speech samples for predicting various mental…

Machine Learning · Computer Science 2020-04-15 Habibeh Naderi , Behrouz Haji Soleimani , Stan Matwin

Event-based Action Recognition (EAR) possesses the advantages of high-temporal resolution capturing and privacy preservation compared with traditional action recognition. Current leading EAR solutions typically follow two regimes: project…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Meiqi Cao , Xiangbo Shu , Jiachao Zhang , Rui Yan , Zechao Li , Jinhui Tang

Transfer learning is critical for efficient information transfer across multiple related learning problems. A simple, yet effective transfer learning approach utilizes deep neural networks trained on a large-scale task for feature…

Sound · Computer Science 2021-06-23 Anurag Kumar , Yun Wang , Vamsi Krishna Ithapu , Christian Fuegen

We introduce a method to learn unsupervised semantic visual information based on the premise that complex events can be decomposed into simpler events and that these simple events are shared across several complex events. We first employ a…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Valter Estevam , Rayson Laroca , Helio Pedrini , David Menotti