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Leveraging unlabelled data through weak or distant supervision is a compelling approach to developing more effective text classification models. This paper proposes a simple but effective data augmentation method, which leverages the idea…

Computation and Language · Computer Science 2021-07-19 Qin Ruan , Brian Mac Namee , Ruihai Dong

Speech enhancement is a task to improve the intelligibility and perceptual quality of degraded speech signal. Recently, neural networks based methods have been applied to speech enhancement. However, many neural network based methods…

Sound · Computer Science 2021-02-22 Qiuqiang Kong , Haohe Liu , Xingjian Du , Li Chen , Rui Xia , Yuxuan Wang

State-of-the-art deep neural networks require large-scale labeled training data that is often expensive to obtain or not available for many tasks. Weak supervision in the form of domain-specific rules has been shown to be useful in such…

Computation and Language · Computer Science 2021-04-13 Giannis Karamanolakis , Subhabrata Mukherjee , Guoqing Zheng , Ahmed Hassan Awadallah

Recently, sign language researchers have turned to sign language interpreted TV broadcasts, comprising (i) a video of continuous signing and (ii) subtitles corresponding to the audio content, as a readily available and large-scale source of…

Computer Vision and Pattern Recognition · Computer Science 2022-08-05 Liliane Momeni , Hannah Bull , K R Prajwal , Samuel Albanie , Gül Varol , Andrew Zisserman

Partial Label (PL) learning refers to the task of learning from the partially labeled data, where each training instance is ambiguously equipped with a set of candidate labels but only one is valid. Advances in the recent deep PL learning…

Machine Learning · Computer Science 2022-12-01 Ximing Li , Yuanzhi Jiang , Changchun Li , Yiyuan Wang , Jihong Ouyang

Prevalent supervised learning methods in natural language processing (NLP) are notoriously data-hungry, which demand large amounts of high-quality annotated data. In practice, acquiring such data is a costly endeavor. Recently, the superior…

Computation and Language · Computer Science 2023-11-01 Ruoyu Zhang , Yanzeng Li , Yongliang Ma , Ming Zhou , Lei Zou

Computational social science (CSS) practitioners often rely on human-labeled data to fine-tune supervised text classifiers. We assess the potential for researchers to augment or replace human-generated training data with surrogate training…

Computation and Language · Computer Science 2024-06-26 Nicholas Pangakis , Samuel Wolken

The cost of annotating transcriptions for large speech corpora becomes a bottleneck to maximally enjoy the potential capacity of deep neural network-based automatic speech recognition models. In this paper, we present a new training…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-06 Jihwan Bang , Heesu Kim , YoungJoon Yoo , Jung-Woo Ha

Collecting large-scale data with clean labels for supervised training of neural networks is practically challenging. Although noisy labels are usually cheap to acquire, existing methods suffer a lot from label noise. This paper targets at…

Machine Learning · Computer Science 2020-06-16 Zizhao Zhang , Han Zhang , Sercan O. Arik , Honglak Lee , Tomas Pfister

Weakly supervised multi-label classification (WSML) task, which is to learn a multi-label classification using partially observed labels per image, is becoming increasingly important due to its huge annotation cost. In this work, we first…

Computer Vision and Pattern Recognition · Computer Science 2022-06-09 Youngwook Kim , Jae Myung Kim , Zeynep Akata , Jungwoo Lee

It is well known that the success of deep neural networks is greatly attributed to large-scale labeled datasets. However, it can be extremely time-consuming and laborious to collect sufficient high-quality labeled data in most practical…

Computer Vision and Pattern Recognition · Computer Science 2022-02-18 Yao Yao , Junyi Shen , Jin Xu , Bin Zhong , Li Xiao

Audio tagging is the task of predicting the presence or absence of sound classes within an audio clip. Previous work in audio tagging focused on relatively small datasets limited to recognising a small number of sound classes. We…

Sound · Computer Science 2019-12-11 Qiuqiang Kong , Changsong Yu , Turab Iqbal , Yong Xu , Wenwu Wang , Mark D. Plumbley

Pseudo-labeling (PL), a semi-supervised learning (SSL) method where a seed model performs self-training using pseudo-labels generated from untranscribed speech, has been shown to enhance the performance of end-to-end automatic speech…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-12 Yosuke Higuchi , Niko Moritz , Jonathan Le Roux , Takaaki Hori

Self-training is a simple yet effective method within semi-supervised learning. The idea is to iteratively enhance training data by adding pseudo-labeled data. Its generalization performance heavily depends on the selection of these…

Machine Learning · Statistics 2023-03-03 Julian Rodemann , Christoph Jansen , Georg Schollmeyer , Thomas Augustin

Existing weak supervision approaches use all the data covered by weak signals to train a classifier. We show both theoretically and empirically that this is not always optimal. Intuitively, there is a tradeoff between the amount of…

Machine Learning · Statistics 2023-03-08 Hunter Lang , Aravindan Vijayaraghavan , David Sontag

Object detection is an import task of computer vision.A variety of methods have been proposed,but methods using the weak labels still do not have a satisfactory result.In this paper,we propose a new framework that using the weakly…

Computer Vision and Pattern Recognition · Computer Science 2016-07-19 Ke Yang , Dongsheng Li , Yong Dou , Shaohe Lv , Qiang Wang

Existing methods for large-scale point cloud semantic segmentation require expensive, tedious and error-prone manual point-wise annotations. Intuitively, weakly supervised training is a direct solution to reduce the cost of labeling.…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 Yachao Zhang , Zonghao Li , Yuan Xie , Yanyun Qu , Cuihua Li , Tao Mei

The availability of labelled data is one of the main limitations in machine learning. We can alleviate this using weak supervision: a framework that uses expert-defined rules $\boldsymbol{\lambda}$ to estimate probabilistic labels…

Machine Learning · Computer Science 2021-05-03 Samantha Biegel , Rafah El-Khatib , Luiz Otavio Vilas Boas Oliveira , Max Baak , Nanne Aben

While the pseudo-label method has demonstrated considerable success in semi-supervised object detection tasks, this paper uncovers notable limitations within this approach. Specifically, the pseudo-label method tends to amplify the inherent…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Zeming Chen , Wenwei Zhang , Xinjiang Wang , Kai Chen , Zhi Wang

Training with sparse annotations is known to reduce the performance of object detectors. Previous methods have focused on proxies for missing ground truth annotations in the form of pseudo-labels for unlabeled boxes. We observe that…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Saksham Suri , Sai Saketh Rambhatla , Rama Chellappa , Abhinav Shrivastava