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相关论文: Dataset balancing can hurt model performance

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Labeling and maintaining a commercial sound effects library is a time-consuming task exacerbated by databases that continually grow in size and undergo taxonomy updates. Moreover, sound search and taxonomy creation are complicated by…

声音 · 计算机科学 2022-08-22 Alison B. Ma , Alexander Lerch

Many real-world classification problems are significantly class-imbalanced to detriment of the class of interest. The standard set of proper evaluation metrics is well-known but the usual assumption is that the test dataset imbalance equals…

机器学习 · 计算机科学 2020-04-16 Jan Brabec , Tomáš Komárek , Vojtěch Franc , Lukáš Machlica

With the development of digital technology, machine learning has paved the way for the next generation of tinnitus diagnoses. Although machine learning has been widely applied in EEG-based tinnitus analysis, most current models are…

信号处理 · 电气工程与系统科学 2022-05-09 Yun Li , Zhe Liu , Lina Yao , Molly Lucas , Jessica J. M. Monaghan , Yu Zhang

Advances in deep learning have resulted in state-of-the-art performance for many audio classification tasks but, unlike humans, these systems traditionally require large amounts of data to make accurate predictions. Not every person or…

音频与语音处理 · 电气工程与系统科学 2020-12-04 Piper Wolters , Chris Careaga , Brian Hutchinson , Lauren Phillips

Balancing the data before training a classifier is a popular technique to address the challenges of imbalanced binary classification in tabular data. Balancing is commonly achieved by duplication of minority samples or by generation of…

机器学习 · 计算机科学 2022-05-12 Yotam Elor , Hadar Averbuch-Elor

Data imbalance is a common problem in machine learning that can have a critical effect on the performance of a model. Various solutions exist but their impact on the convergence of the learning dynamics is not understood. Here, we elucidate…

机器学习 · 统计学 2024-02-20 Emanuele Francazi , Marco Baity-Jesi , Aurelien Lucchi

Real world datasets contain incorrectly labeled instances that hamper the performance of the model and, in particular, the ability to generalize out of distribution. Also, each example might have different contribution towards learning.…

Large language models (LLMs) have shown impressive performance on downstream tasks through in-context learning (ICL), which heavily relies on the demonstrations selected from annotated datasets. However, these datasets often exhibit…

计算与语言 · 计算机科学 2025-06-02 Hongfu Gao , Feipeng Zhang , Hao Zeng , Deyu Meng , Bingyi Jing , Hongxin Wei

Class imbalance problem has been a challenging research problem in the fields of machine learning and data mining as most real life datasets are imbalanced. Several existing machine learning algorithms try to maximize the accuracy…

Class imbalance and noisy labels are the norm rather than the exception in many large-scale classification datasets. Nevertheless, most works in machine learning typically assume balanced and clean data. There have been some recent attempts…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Shyamgopal Karthik , Jérome Revaud , Boris Chidlovskii

Audio tagging is an active research area and has a wide range of applications. Since the release of AudioSet, great progress has been made in advancing model performance, which mostly comes from the development of novel model architectures…

声音 · 计算机科学 2021-11-18 Yuan Gong , Yu-An Chung , James Glass

In training a deep learning system to perform audio transcription, two practical problems may arise. Firstly, most datasets are weakly labelled, having only a list of events present in each recording without any temporal information for…

机器学习 · 计算机科学 2018-07-12 Veronica Morfi , Dan Stowell

Weakly labeled datasets such as AudioSet have driven recent progress in audio tagging. However, annotation quality varies across sound classes. Labels may be incomplete, ambiguous, or unreliable, which introduces class-dependent supervision…

音频与语音处理 · 电气工程与系统科学 2026-05-19 Yuanbo Hou , Zhaoyi Liu , Tong Ye , Qiaoqiao Ren , Jian Guan , Wenwu Wang , Stephen Roberts

Class imbalance remains a significant challenge in machine learning, particularly for tabular data classification tasks. While Gradient Boosting Decision Trees (GBDT) models have proven highly effective for such tasks, their performance can…

机器学习 · 计算机科学 2024-07-22 Jiaqi Luo , Yuan Yuan , Shixin Xu

Machine learning research typically starts with a fixed data set created early in the process. The focus of the experiments is finding a model and training procedure that result in the best possible performance in terms of some selected…

机器学习 · 计算机科学 2022-01-19 Hannes Westermann , Jaromir Savelka , Vern R. Walker , Kevin D. Ashley , Karim Benyekhlef

As audio/visual classification models are widely deployed for sensitive tasks like content filtering at scale, it is critical to understand their robustness along with improving the accuracy. This work aims to study several key questions…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Juncheng B Li , Kaixin Ma , Shuhui Qu , Po-Yao Huang , Florian Metze

Label noise is ubiquitous in real-world scenarios, posing a practical challenge to supervised models due to its effect in hurting the generalization performance of deep neural networks. Existing methods primarily employ the sample selection…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Mengmeng Sheng , Zeren Sun , Tao Chen , Shuchao Pang , Yucheng Wang , Yazhou Yao

When using machine learning for imbalanced binary classification problems, it is common to subsample the majority class to create a (more) balanced training dataset. This biases the model's predictions because the model learns from data…

机器学习 · 计算机科学 2025-11-03 Nathan Phelps , Daniel J. Lizotte , Douglas G. Woolford

Multi-modal learning in the audio-language domain has seen significant advancements in recent years. However, audio-language learning faces challenges due to limited and lower-quality data compared to image-language tasks. Existing…

音频与语音处理 · 电气工程与系统科学 2024-06-10 David Xu

Developing new machine learning applications often requires the collection of new datasets. However, existing datasets may already contain relevant information to train models for new purposes. We propose SoundCollage: a framework to…