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Identification of bird species from audio records is one of the challenging tasks due to the existence of multiple species in the same recording, noise in the background, and long-term recording. Besides, choosing a proper acoustic feature…

Sound · Computer Science 2022-01-04 Nahian Ibn Hasan

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

Many approaches have been used in bird species classification from their sound in order to provide labels for the whole of a recording. However, a more precise classification of each bird vocalization would be of great importance to the use…

Sound · Computer Science 2016-03-24 Veronica Morfi , Dan Stowell

In ornithology, bird species are known to have variedit's widely acknowledged that bird species display diverse dialects in their calls across different regions. Consequently, computational methods to identify bird species onsolely through…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-14 Xin Jing , Luyang Zhang , Jiangjian Xie , Alexander Gebhard , Alice Baird , Bjoern Schuller

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

We propose an architecture for fine-grained visual categorization that approaches expert human performance in the classification of bird species. Our architecture first computes an estimate of the object's pose; this is used to compute…

Computer Vision and Pattern Recognition · Computer Science 2014-06-12 Steve Branson , Grant Van Horn , Serge Belongie , Pietro Perona

Monitoring of bird populations has played a vital role in conservation efforts and in understanding biodiversity loss. The automation of this process has been facilitated by both sensing technologies, such as passive acoustic monitoring,…

Machine Learning · Computer Science 2021-08-23 Irina Tolkova , Brian Chu , Marcel Hedman , Stefan Kahl , Holger Klinck

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

Efficient and accurate bird sound classification is of important for ecology, habitat protection and scientific research, as it plays a central role in monitoring the distribution and abundance of species. However, prevailing methods…

Sound · Computer Science 2023-12-27 Yiyuan Yang , Kaichen Zhou , Niki Trigoni , Andrew Markham

Bird sound classification is the task of relating any sound recording to those species of bird that can be heard in the recording. Here, we study bird sound clustering, the task of deciding for any pair of sound recordings whether the same…

Sound · Computer Science 2023-06-21 David Stein , Bjoern Andres

Birds produce multiple types of vocalizations that, together, constitute a vocal repertoire. For some species, the repertoire size is of importance because it informs us about their brain capacity, territory size or social behaviour.…

Quantitative Methods · Quantitative Biology 2023-03-21 Joachim Poutaraud

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…

Research into automated systems for detecting and classifying marine mammals in acoustic recordings is expanding internationally due to the necessity to analyze large collections of data for conservation purposes. In this work, we present a…

Sound · Computer Science 2019-08-01 Mark Thomas , Bruce Martin , Katie Kowarski , Briand Gaudet , Stan Matwin

Humans do not acquire perceptual abilities in the way we train machines. While machine learning algorithms typically operate on large collections of randomly-chosen, explicitly-labeled examples, human acquisition relies more heavily on…

In recent decade, many state-of-the-art algorithms on image classification as well as audio classification have achieved noticeable successes with the development of deep convolutional neural network (CNN). However, most of the works only…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Bold Naranchimeg , Chao Zhang , Takuya Akashi

Reliable identification of bird species in recorded audio files would be a transformative tool for researchers, conservation biologists, and birders. In recent years, artificial neural networks have greatly improved the detection quality of…

Computer Vision and Pattern Recognition · Computer Science 2018-04-20 Stefan Kahl , Thomas Wilhelm-Stein , Holger Klinck , Danny Kowerko , Maximilian Eibl

Bird sounds possess distinctive spectral structure which may exhibit small shifts in spectrum depending on the bird species and environmental conditions. In this paper, we propose using convolutional recurrent neural networks on the task of…

It is easier to hear birds than see them, however, they still play an essential role in nature and they are excellent indicators of deteriorating environmental quality and pollution. Recent advances in Machine Learning and Convolutional…

Sound · Computer Science 2021-07-13 Marcos V. Conde , Kumar Shubham , Prateek Agnihotri , Nitin D. Movva , Szilard Bessenyei

Bird sound data collected with unattended microphones for automatic surveys, or mobile devices for citizen science, typically contain multiple simultaneously vocalizing birds of different species. However, few works have considered the…

Machine Learning · Computer Science 2013-05-30 Forrest Briggs , Xiaoli Z. Fern , Jed Irvine

Modern day audio signal classification techniques lack the ability to classify low feature audio signals in the form of spectrographic temporal frequency data representations. Additionally, currently utilized techniques rely on full diverse…

Sound · Computer Science 2024-10-30 Noel Elias
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