中文
相关论文

相关论文: Unsupervised outlier detection to improve bird aud…

200 篇论文

Automated animal censuses with aerial imagery are a vital ingredient towards wildlife conservation. Recent models are generally based on supervised learning and thus require vast amounts of training data. Due to their scarcity and minuscule…

计算机视觉与模式识别 · 计算机科学 2022-11-11 Xiaochen Zheng

Distortion of the underlying speech is a common problem for single-channel speech enhancement algorithms, and hinders such methods from being used more extensively. A dictionary based speech enhancement method that emphasizes preserving the…

声音 · 计算机科学 2016-05-09 Eunjoon Cho , Bowon Lee , Ronald Schafer , Bernard Widrow

In unsupervised domain adaptation (UDA), classifiers for the target domain (TD) are trained with clean labeled data from the source domain (SD) and unlabeled data from TD. However, in the wild, it is difficult to acquire a large amount of…

机器学习 · 计算机科学 2021-02-19 Feng Liu , Jie Lu , Bo Han , Gang Niu , Guangquan Zhang , Masashi Sugiyama

Due to the lack of labels and the domain diversities, it is a challenge to study person re-identification in the cross-domain setting. An admirable method is to optimize the target model by assigning pseudo-labels for unlabeled samples…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Hongliang Zhang , Shoudong Han , Xiaofeng Pan , Jun Zhao

Deep learning models usually require a large amount of labeled data to achieve satisfactory performance. In multimedia analysis, domain adaptation studies the problem of cross-domain knowledge transfer from a label rich source domain to a…

计算机视觉与模式识别 · 计算机科学 2021-09-10 Lei Zhu , Zhaojing Luo , Wei Wang , Meihui Zhang , Gang Chen , Kaiping Zheng

Given an unsupervised outlier detection (OD) algorithm, how can we optimize its hyperparameter(s) (HP) on a new dataset, without any labels? In this work, we address this challenging hyperparameter optimization for unsupervised OD problem,…

机器学习 · 计算机科学 2022-10-11 Yue Zhao , Leman Akoglu

Self-supervised learning (SSL) in audio holds significant potential across various domains, particularly in situations where abundant, unlabeled data is readily available at no cost. This is pertinent in bioacoustics, where biologists…

声音 · 计算机科学 2024-02-12 Ilyass Moummad , Romain Serizel , Nicolas Farrugia

The drastic increase of data quantity often brings the severe decrease of data quality, such as incorrect label annotations, which poses a great challenge for robustly training Deep Neural Networks (DNNs). Existing learning \mbox{methods}…

机器学习 · 计算机科学 2022-03-18 Qizhou Wang , Bo Han , Tongliang Liu , Gang Niu , Jian Yang , Chen Gong

Deep neural networks (DNNs) have been shown to over-fit a dataset when being trained with noisy labels for a long enough time. To overcome this problem, we present a simple and effective method self-ensemble label filtering (SELF) to…

计算机视觉与模式识别 · 计算机科学 2019-10-07 Duc Tam Nguyen , Chaithanya Kumar Mummadi , Thi Phuong Nhung Ngo , Thi Hoai Phuong Nguyen , Laura Beggel , Thomas Brox

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…

声音 · 计算机科学 2017-06-08 Sharath Adavanne , Konstantinos Drossos , Emre Çakır , Tuomas Virtanen

As tons of photos are being uploaded to public websites (e.g., Flickr, Bing, and Google) every day, learning from web data has become an increasingly popular research direction because of freely available web resources, which is also…

计算机视觉与模式识别 · 计算机科学 2018-05-25 Li Niu , Qingtao Tang , Ashok Veeraraghavan , Ashu Sabharwal

Deep neural classifiers trained with cross-entropy loss (CE loss) often suffer from poor calibration, necessitating the task of out-of-distribution (OOD) detection. Traditional supervised OOD detection methods require expensive manual…

计算与语言 · 计算机科学 2023-05-25 Dheeraj Mekala , Adithya Samavedhi , Chengyu Dong , Jingbo Shang

Deep neural networks (DNNs) have been widely applied in medical image classification and achieve remarkable classification performance. These achievements heavily depend on large-scale accurately annotated training data. However, label…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Hongyang Jiang , Mengdi Gao , Yan Hu , Qiushi Ren , Zhaoheng Xie , Jiang Liu

We propose an outlier robust multivariate time series model which can be used for detecting previously unseen anomalous sounds based on noisy training data. The presented approach doesn't assume the presence of labeled anomalies in the…

声音 · 计算机科学 2022-02-07 Wo Jae Lee , Karim Helwani , Arvindh Krishnaswamy , Srikanth Tenneti

This paper addresses the extraction of the bird vocalization embedding from the whole song level using disentangled representation learning (DRL). Bird vocalization embeddings are necessary for large-scale bioacoustic tasks, and…

音频与语音处理 · 电气工程与系统科学 2024-12-31 Runwu Shi , Katsutoshi Itoyama , Kazuhiro Nakadai

Pre-training on large-scale datasets and then fine-tuning on downstream tasks have become a standard practice in deep learning. However, pre-training data often contain label noise that may adversely affect the generalization of the model.…

机器学习 · 计算机科学 2024-03-12 Hao Chen , Jindong Wang , Ankit Shah , Ran Tao , Hongxin Wei , Xing Xie , Masashi Sugiyama , Bhiksha Raj

Label noise is one of the key factors that lead to the poor generalization of deep learning models. Existing label-noise learning methods usually assume that the ground-truth classes of the training data are balanced. However, the…

机器学习 · 计算机科学 2023-08-15 Yang Lu , Yiliang Zhang , Bo Han , Yiu-ming Cheung , Hanzi Wang

While the use of deep neural networks has significantly boosted speaker recognition performance, it is still challenging to separate speakers in poor acoustic environments. To improve robustness of speaker recognition system performance in…

音频与语音处理 · 电气工程与系统科学 2020-05-19 Yanpei Shi , Qiang Huang , Thomas Hain

The Unified Object Detection (UOD) task aims to achieve object detection of all merged categories through training on multiple datasets, and is of great significance in comprehensive object detection scenarios. In this paper, we conduct a…

计算机视觉与模式识别 · 计算机科学 2024-10-22 XiaoJun Tang , Jingru Wang , Zeyu Shangguan , Darun Tang , Yuyu Liu

Audio Event Detection (AED) aims to recognize sounds within audio and video recordings. AED employs machine learning algorithms commonly trained and tested on annotated datasets. However, available datasets are limited in number of samples…

‹ 上一页 1 8 9 10 下一页 ›