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Convolutional Neural Networks (CNNs) specialize in feature extraction rather than function mapping. In doing so they form complex internal hierarchical feature representations, the complexity of which gradually increases with a…

Neural and Evolutionary Computing · Computer Science 2021-05-11 Nidhi Gowdra , Roopak Sinha , Stephen MacDonell

The automatic classification of animal sounds presents an enduring challenge in bioacoustics, owing to the diverse statistical properties of sound signals, variations in recording equipment, and prevalent low Signal-to-Noise Ratio (SNR)…

Sound · Computer Science 2024-07-08 Qiang Yang , Xiuying Chen , Changsheng Ma , Carlos M. Duarte , Xiangliang Zhang

A challenge in marine bioacoustic analysis is the detection of animal signals, like calls, whistles and clicks, for behavioral studies. Manual labeling is too time-consuming to process sufficient data to get reasonable results. Thus, an…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-23 Christopher Hauer

Bayesian Optimization (BO) machine learning method is increasingly used to guide experimental optimization tasks in materials science. To emulate the large number of input variables and noise-containing results in experimental materials…

Speech emotion recognition is a challenging task for three main reasons: 1) human emotion is abstract, which means it is hard to distinguish; 2) in general, human emotion can only be detected in some specific moments during a long…

Sound · Computer Science 2019-05-03 Yuanyuan Zhang , Jun Du , Zirui Wang , Jianshu Zhang

In this study we present a kernel based convolution model to characterize neural responses to natural sounds by decoding their time-varying acoustic features. The model allows to decode natural sounds from high-dimensional neural…

Machine Learning · Statistics 2016-11-15 Ali Faisal , Anni Nora , Jaeho Seol , Hanna Renvall , Riitta Salmelin

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

Redundancy and noise exist in the bands of hyperspectral images (HSIs). Thus, it is a good property to be able to select suitable parts from hundreds of input bands for HSIs classification methods. In this letter, a band attention module…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Hongwei Dong , Lamei Zhang , Bin Zou

Convolutional Networks have dominated the field of computer vision for the last ten years, exhibiting extremely powerful feature extraction capabilities and outstanding classification performance. The main strategy to prolong this trend…

Computer Vision and Pattern Recognition · Computer Science 2021-06-07 Javier Huertas-Tato , Alejandro Martín , Julián Fierrez , David Camacho

Nanovectors (NVs), based on nanostructured matter such as nanoparticles (NPs), have proven to perform as excellent drug delivery systems. However, due to the great variety of potential NVs, including NPs materials and their…

Neural and Evolutionary Computing · Computer Science 2021-12-06 Felipe J. Villaseñor-Cavazos , Daniel Torres-Valladares , Omar Lozano

This paper investigates deep neural networks for radio signal classification. Instead of performing modulation recognition and combining it with further analysis methods, the classifier operates directly on the IQ data of the signals and…

Signal Processing · Electrical Eng. & Systems 2019-06-12 Stefan Scholl

We consider a simple setting in neuroevolution where an evolutionary algorithm optimizes the weights and activation functions of a simple artificial neural network. We then define simple example functions to be learned by the network and…

Neural and Evolutionary Computing · Computer Science 2023-10-17 Paul Fischer , Emil Lundt Larsen , Carsten Witt

Many different species are adversely affected by poaching. In response to this escalating crisis, efforts to stop poaching using hidden cameras, drones and DNA tracking have been implemented with varying degrees of success. Limited…

Computer Vision and Pattern Recognition · Computer Science 2019-10-17 C. Chalmers , P. Fergus , Serge Wich , Aday Curbelo Montanez

Speech representation models based on the transformer architecture and trained by self-supervised learning have shown great promise for solving tasks such as speech and speaker recognition, keyword spotting, emotion detection, and more.…

Computation and Language · Computer Science 2024-11-25 Teresa Dorszewski , Lenka Tětková , Lars Kai Hansen

Ecological and conservation studies monitoring bird communities typically rely on species classification based on bird vocalizations. Historically, this has been based on expert volunteers going into the field and making lists of the bird…

Methodology · Statistics 2026-05-29 Haoxuan Wang , Patrik Lauha , David B. Dunson

Observed data is often contaminated by undiscovered interlopers, leading to biased parameter estimation. Here we present BEAMS (Bayesian Estimation Applied to Multiple Species) which significantly improves on the standard maximum likelihood…

Astrophysics · Physics 2008-11-26 Martin Kunz , Bruce A. Bassett , Renee Hlozek

The performance of natural language generation systems has improved substantially with modern neural networks. At test time they typically employ beam search to avoid locally optimal but globally suboptimal predictions. However, due to…

Computation and Language · Computer Science 2021-03-18 James Hargreaves , Andreas Vlachos , Guy Emerson

Hough transform (HT) has been the most common method for circle detection, exhibiting robustness, but adversely demanding considerable computational effort and large memory requirements. Alternative approaches include heuristic methods that…

Computer Vision and Pattern Recognition · Computer Science 2014-06-26 Erik Cuevas , Felipe Sencion-Echauri , Daniel Zaldivar , Marco Perez Cisneros

Evolutionary artificial neural networks (EANNs) refer to a special class of artificial neural networks (ANNs) in which evolution is another fundamental form of adaptation in addition to learning. Evolutionary algorithms are used to adapt…

Artificial Intelligence · Computer Science 2016-11-17 Ajith Abraham

We present an analysis of three possible strategies for exploiting the power of existing convolutional neural networks (ConvNets) in different scenarios from the ones they were trained: full training, fine tuning, and using ConvNets as…

Computer Vision and Pattern Recognition · Computer Science 2016-11-08 Keiller Nogueira , Otávio A. B. Penatti , Jefersson A. dos Santos
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