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This paper presents a low cost, on premise system for autonomous backyard bird monitoring in Belgian urban gardens. A motion triggered IP camera uploads short clips via FTP to a local server, where frames are sampled and birds are localized…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 El Mustapha Mansouri

This article presents and evaluates a novel algorithm for learning a physical activity classifier for a low-power embedded wrist-located device. The overall system is designed for real-time execution and it is implemented in the commercial…

Signal Processing · Electrical Eng. & Systems 2018-05-03 Ricard Delgado-Gonzalo , Philippe Renevey , Adrian Tarniceriu , Jakub Parak , Mattia Bertschi

This study proposes a method based on fully convolutional neural networks (FCNs) to identify migratory birds from their songs, with the objective of recognizing which birds pass through certain areas and at what time. To determine the best…

Micro-Doppler signatures are a proven modality for discriminating between drones and birds, but their reliability degrades in low-SNR, data-constrained settings where deep learning models often fail. This paper presents a systematic study…

Signal Processing · Electrical Eng. & Systems 2026-04-15 Shaiq e Mustafa , Salman Liaquat , Imran Hafeez Abbasi , Azhar Hasan

Sound power levels or so-called source levels are essential quantities when it comes to evaluating the active space of bird species, both in the study of animal communication and when designing bioacoustic monitoring schemes. However,…

Applied Physics · Physics 2024-09-18 Guillaume Dutilleux

For centuries researchers have used sound to monitor and study wildlife. Traditionally, conservationists have identified species by ear; however, it is now common to deploy audio recording technology to monitor animal and ecosystem sounds.…

Sound · Computer Science 2021-03-15 C. Chalmers , P. Fergus , S. Wich , S. N. Longmore

Birds are important indicators for monitoring both biodiversity and habitat health; they also play a crucial role in ecosystem management. Decline in bird populations can result in reduced eco-system services, including seed dispersal,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Carl Chalmers , Paul Fergus , Serge Wich , Steven N Longmore , Naomi Davies Walsh , Philip Stephens , Chris Sutherland , Naomi Matthews , Jens Mudde , Amira Nuseibeh

With the rapid advancements in deep learning techniques, wearable sensor-aided animal activity recognition (AAR) has demonstrated promising performance, thereby improving livestock management efficiency as well as animal health and welfare…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Axiu Mao , Meilu Zhu , Lei Shen , Xiaoshuai Wang , Tomas Norton , Kai Liu

We present a robust classification approach for avian vocalization in complex and diverse soundscapes, achieving second place in the BirdCLEF2021 challenge. We illustrate how to make full use of pre-trained convolutional neural networks, by…

Sound · Computer Science 2021-07-19 Christof Henkel , Pascal Pfeiffer , Philipp Singer

The deployment of an expert system running over a wireless acoustic sensors network made up of bioacoustic monitoring devices that recognise bird species from their sounds would enable the automation of many tasks of ecological value,…

Sound · Computer Science 2022-07-13 Juan Gómez-Gómez , Ester Vidaña-Vila , Xavier Sevillano

Fine-grained categorisation has been a challenging problem due to small inter-class variation, large intra-class variation and low number of training images. We propose a learning system which first clusters visually similar classes and…

Computer Vision and Pattern Recognition · Computer Science 2015-05-12 Zongyuan Ge , Christopher Mccool , Conrad Sanderson , Peter Corke

Analyses for biodiversity monitoring based on passive acoustic monitoring (PAM) recordings is time-consuming and challenged by the presence of background noise in recordings. Existing models for sound event detection (SED) worked only on…

Birds are vital parts of ecosystems across the world and are an excellent measure of the quality of life on earth. Many bird species are endangered while others are already extinct. Ecological efforts in understanding and monitoring bird…

Multimedia · Computer Science 2022-11-16 Chandra Kanth Nagesh , Abhishek Purushothama

Classification of functional data where observations are curves or trajectories poses unique challenges, particularly under severe class imbalance. Traditional Random Forest algorithms, while robust for tabular data, often fail to capture…

Machine Learning · Statistics 2025-12-10 Fahad Mostafa , Hafiz Khan

Outdoor shooting ranges are subject to noise regulations from local and national authorities. Restrictions found in these regulations may include limits on times of activities, the overall number of noise events, as well as limits on number…

Sound · Computer Science 2021-07-27 Jon Nordby , Fabian Nemazi , Dag Rieber

Bioacoustic sound event detection allows for better understanding of animal behavior and for better monitoring biodiversity using audio. Deep learning systems can help achieve this goal, however it is difficult to acquire sufficient…

Sound · Computer Science 2024-01-18 Ilyass Moummad , Romain Serizel , Nicolas Farrugia

Preserving the number and diversity of insects is one of our society's most important goals in the area of environmental sustainability. A prerequisite for this is a systematic and up-scaled monitoring in order to detect correlations and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Danja Brandt , Martin Tschaikner , Teodor Chiaburu , Henning Schmidt , Ilona Schrimpf , Alexandra Stadel , Ingeborg E. Beckers , Frank Haußer

This paper studies the detection of bird calls in audio segments using stacked convolutional and recurrent neural networks. Data augmentation by blocks mixing and domain adaptation using a novel method of test mixing are proposed and…

Sound · Computer Science 2017-06-08 Sharath Adavanne , Konstantinos Drossos , Emre Çakır , Tuomas Virtanen

Outdoor acoustic events detection is an exciting research field but challenged by the need for complex algorithms and deep learning techniques, typically requiring many computational, memory, and energy resources. This challenge discourages…

Audio and Speech Processing · Electrical Eng. & Systems 2020-01-30 Gianmarco Cerutti , Rahul Prasad , Alessio Brutti , Elisabetta Farella

Bird species classification has received more and more attention in the field of computer vision, for its promising applications in biology and environmental studies. Recognizing bird species is difficult due to the challenges of…

Computer Vision and Pattern Recognition · Computer Science 2018-10-12 Sourya Dipta Das , Akash Kumar