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We present the iNaturalist Sounds Dataset (iNatSounds), a collection of 230,000 audio files capturing sounds from over 5,500 species, contributed by more than 27,000 recordists worldwide. The dataset encompasses sounds from birds, mammals,…

Sound · Computer Science 2025-06-03 Mustafa Chasmai , Alexander Shepard , Subhransu Maji , Grant Van Horn

The development of semi-supervised learning techniques is essential to enhance the generalization capacities of machine learning algorithms. Indeed, raw image data are abundant while labels are scarce, therefore it is crucial to leverage…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Javiera Castillo-Navarro , Bertrand Le Saux , Alexandre Boulch , Nicolas Audebert , Sébastien Lefèvre

Research in face recognition has seen tremendous growth over the past couple of decades. Beginning from algorithms capable of performing recognition in constrained environments, the current face recognition systems achieve very high…

Computer Vision and Pattern Recognition · Computer Science 2018-11-22 Maneet Singh , Richa Singh , Mayank Vatsa , Nalini Ratha , Rama Chellappa

FloodNet is a high-resolution image dataset acquired by a small UAV platform, DJI Mavic Pro quadcopters, after Hurricane Harvey. The dataset presents a unique challenge of advancing the damage assessment process for post-disaster scenarios…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Sahil Khose , Abhiraj Tiwari , Ankita Ghosh

Automated species identification and delimitation is challenging, particularly in rare and thus often scarcely sampled species, which do not allow sufficient discrimination of infraspecific versus interspecific variation. Typical problems…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Morris Klasen , Dirk Ahrens , Jonas Eberle , Volker Steinhage

We evaluate the effectiveness of semi-supervised learning (SSL) on a realistic benchmark where data exhibits considerable class imbalance and contains images from novel classes. Our benchmark consists of two fine-grained classification…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Jong-Chyi Su , Zezhou Cheng , Subhransu Maji

We introduce Meta-Album, an image classification meta-dataset designed to facilitate few-shot learning, transfer learning, meta-learning, among other tasks. It includes 40 open datasets, each having at least 20 classes with 40 examples per…

Computer Vision and Pattern Recognition · Computer Science 2023-02-20 Ihsan Ullah , Dustin Carrión-Ojeda , Sergio Escalera , Isabelle Guyon , Mike Huisman , Felix Mohr , Jan N van Rijn , Haozhe Sun , Joaquin Vanschoren , Phan Anh Vu

We propose a metadata-aware self-supervised learning~(SSL)~framework useful for fine-grained classification and ecological mapping of bird species around the world. Our framework unifies two SSL strategies: Contrastive Learning~(CL) and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Srikumar Sastry , Subash Khanal , Aayush Dhakal , Di Huang , Nathan Jacobs

In the following paper, we present and discuss challenging applications for fine-grained visual classification (FGVC): biodiversity and species analysis. We not only give details about two challenging new datasets suitable for computer…

Computer Vision and Pattern Recognition · Computer Science 2015-07-06 Erik Rodner , Marcel Simon , Gunnar Brehm , Stephanie Pietsch , J. Wolfgang Wägele , Joachim Denzler

In the last few years, unpaired image-to-image translation has witnessed remarkable progress. Although the latest methods are able to generate realistic images, they crucially rely on a large number of labeled images. Recently, some methods…

Computer Vision and Pattern Recognition · Computer Science 2020-04-03 Yaxing Wang , Salman Khan , Abel Gonzalez-Garcia , Joost van de Weijer , Fahad Shahbaz Khan

Pre-training general-purpose visual features with convolutional neural networks without relying on annotations is a challenging and important task. Most recent efforts in unsupervised feature learning have focused on either small or highly…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Mathilde Caron , Piotr Bojanowski , Julien Mairal , Armand Joulin

We exploit field guides to learn bird species recognition, in particular zero-shot recognition of unseen species. Illustrations contained in field guides deliberately focus on discriminative properties of each species, and can serve as side…

Computer Vision and Pattern Recognition · Computer Science 2023-11-06 Andrés C. Rodríguez , Stefano D'Aronco , Rodrigo Caye Daudt , Jan D. Wegner , Konrad Schindler

Camera Traps (or Wild Cams) enable the automatic collection of large quantities of image data. Biologists all over the world use camera traps to monitor biodiversity and population density of animal species. The computer vision community…

Computer Vision and Pattern Recognition · Computer Science 2019-07-18 Sara Beery , Dan Morris , Pietro Perona

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

Scientific figure interpretation is a crucial capability for AI-driven scientific assistants built on advanced Large Vision Language Models. However, current datasets and benchmarks primarily focus on simple charts or other relatively…

The first Agriculture-Vision Challenge aims to encourage research in developing novel and effective algorithms for agricultural pattern recognition from aerial images, especially for the semantic segmentation task associated with our…

Changes in bird populations can indicate broader changes in ecosystems, making birds one of the most important animal groups to monitor. Combining machine learning and passive acoustics enables continuous monitoring over extended periods…

Sound · Computer Science 2025-02-20 Simen Hexeberg , Mandar Chitre , Matthias Hoffmann-Kuhnt , Bing Wen Low

Automated identification of insects is a tough task where many challenges like data limitation, imbalanced data count, and background noise needs to be overcome for better performance. This paper describes such an image dataset which…

Multimedia · Computer Science 2021-01-28 D. L. Abeywardhana , C. D. Dangalle , Anupiya Nugaliyadde , Yashas Mallawarachchi

This paper introduces FGVC-Aircraft, a new dataset containing 10,000 images of aircraft spanning 100 aircraft models, organised in a three-level hierarchy. At the finer level, differences between models are often subtle but always visually…

Computer Vision and Pattern Recognition · Computer Science 2013-06-24 Subhransu Maji , Esa Rahtu , Juho Kannala , Matthew Blaschko , Andrea Vedaldi

Automatic affect recognition has applications in many areas such as education, gaming, software development, automotives, medical care, etc. but it is non trivial task to achieve appreciable performance on in-the-wild data sets. In-the-wild…

Computer Vision and Pattern Recognition · Computer Science 2022-08-08 Darshan Gera , Badveeti Naveen Siva Kumar , Bobbili Veerendra Raj Kumar , S Balasubramanian