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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…

多媒体 · 计算机科学 2022-11-16 Chandra Kanth Nagesh , Abhishek Purushothama

The lack of labeled data is a common challenge in speech classification tasks, particularly those requiring extensive subjective assessment, such as cognitive state classification. In this work, we propose a Semi-Supervised Learning (SSL)…

音频与语音处理 · 电气工程与系统科学 2025-05-01 Yuanchao Li , Zixing Zhang , Jing Han , Peter Bell , Catherine Lai

We present our approach for the SnakeCLEF 2024 competition to predict snake species from images. We explore and use Meta's DINOv2 vision transformer model for feature extraction to tackle species' high variability and visual similarity in a…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Anthony Miyaguchi , Murilo Gustineli , Austin Fischer , Ryan Lundqvist

In recent years, exploring effective sound separation (SSep) techniques to improve overlapping sound event detection (SED) attracts more and more attention. Creating accurate separation signals to avoid the catastrophic error accumulation…

音频与语音处理 · 电气工程与系统科学 2022-03-07 Yunhao Liang , Yanhua Long , Yijie Li , Jiaen Liang

Lack of large-scale note-level labeled data is the major obstacle to singing transcription from polyphonic music. We address the issue by using pseudo labels from vocal pitch estimation models given unlabeled data. The proposed method first…

音频与语音处理 · 电气工程与系统科学 2022-03-31 Sangeun Kum , Jongpil Lee , Keunhyoung Luke Kim , Taehyoung Kim , Juhan Nam

Open audio databases such as Xeno-Canto are widely used to build datasets to explore bird song repertoire or to train models for automatic bird sound classification by deep learning algorithms. However, such databases suffer from the fact…

机器学习 · 计算机科学 2023-02-16 Félix Michaud , Jérôme Sueur , Maxime Le Cesne , Sylvain Haupert

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…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Srikumar Sastry , Subash Khanal , Aayush Dhakal , Di Huang , Nathan Jacobs

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…

声音 · 计算机科学 2023-12-27 Yiyuan Yang , Kaichen Zhou , Niki Trigoni , Andrew Markham

Semi-supervised learning (SSL) has proven to be effective at leveraging large-scale unlabeled data to mitigate the dependency on labeled data in order to learn better models for visual recognition and classification tasks. However, recent…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Hasib Zunair , Yan Gobeil , Samuel Mercier , A. Ben Hamza

The past few years have witnessed a remarkable advance in deep learning for EEG-based sleep stage classification (SSC). However, the success of these models is attributed to possessing a massive amount of labeled data for training, limiting…

信号处理 · 电气工程与系统科学 2022-10-14 Emadeldeen Eldele , Mohamed Ragab , Zhenghua Chen , Min Wu , Chee-Keong Kwoh , Xiaoli Li

To learn target discriminative representations, using pseudo-labels is a simple yet effective approach for unsupervised domain adaptation. However, the existence of false pseudo-labels, which may have a detrimental influence on learning…

计算机视觉与模式识别 · 计算机科学 2019-08-02 Jaehoon Choi , Minki Jeong , Taekyung Kim , Changick Kim

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…

计算机视觉与模式识别 · 计算机科学 2018-04-20 Stefan Kahl , Thomas Wilhelm-Stein , Holger Klinck , Danny Kowerko , Maximilian Eibl

Deep learning (DL) has greatly advanced audio classification, yet the field is limited by the scarcity of large-scale benchmark datasets that have propelled progress in other domains. While AudioSet is a pivotal step to bridge this gap as a…

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…

声音 · 计算机科学 2016-03-24 Veronica Morfi , Dan Stowell

In this paper, we study the problem of learning image classification models with label noise. Existing approaches depending on human supervision are generally not scalable as manually identifying correct or incorrect labels is…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Kuang-Huei Lee , Xiaodong He , Lei Zhang , Linjun Yang

Environmental Sound Classification (ESC) is a challenging field of research in non-speech audio processing. Most of current research in ESC focuses on designing deep models with special architectures tailored for specific audio datasets,…

声音 · 计算机科学 2021-03-03 Alireza Nasiri , Jianjun Hu

Passive acoustic monitoring enables large-scale biodiversity assessment, but reliable classification of bioacoustic sounds requires not only high accuracy but also well-calibrated uncertainty estimates to ground decision-making. In…

In this work we examine the classification accuracy and robustness of a state-of-the-art semi-supervised learning (SSL) algorithm applied to the morphological classification of radio galaxies. We test if SSL with fewer labels can achieve…

Accurate identification of fungi species presents a unique challenge in computer vision due to fine-grained inter-species variation and high intra-species variation. This paper presents our approach for the FungiCLEF 2025 competition, which…

计算机视觉与模式识别 · 计算机科学 2025-07-14 Jason Kahei Tam , Murilo Gustineli , Anthony Miyaguchi

Semi-supervised learning has been well developed to help reduce the cost of manual labelling by exploiting a large quantity of unlabelled data. Especially in the application of land cover classification, pixel-level manual labelling in…

计算机视觉与模式识别 · 计算机科学 2023-06-01 Wanli Ma , Oktay Karakus , Paul L. Rosin