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In this paper, we study bidirectional LSTM network for the task of text classification using both supervised and semi-supervised approaches. Several prior works have suggested that either complex pretraining schemes using unsupervised…

计算与语言 · 计算机科学 2020-09-10 Devendra Singh Sachan , Manzil Zaheer , Ruslan Salakhutdinov

To address semi-supervised learning from both labeled and unlabeled data, we present a novel meta-learning scheme. We particularly consider that labeled and unlabeled data share disjoint ground truth label sets, which can be seen tasks like…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Yun-Chun Chen , Chao-Te Chou , Yu-Chiang Frank Wang

Unsupervised clustering on speakers is becoming increasingly important for its potential uses in semi-supervised learning. In reality, we are often presented with enormous amounts of unlabeled data from multi-party meetings and discussions.…

音频与语音处理 · 电气工程与系统科学 2022-04-26 Fuchuan Tong , Siqi Zheng , Min Zhang , Yafeng Chen , Hongbin Suo , Qingyang Hong , Lin Li

Back-translation (BT) has become one of the de facto components in unsupervised neural machine translation (UNMT), and it explicitly makes UNMT have translation ability. However, all the pseudo bi-texts generated by BT are treated equally…

计算与语言 · 计算机科学 2021-09-24 Jinliang Lu , Jiajun Zhang

Semi-Supervised Learning (SSL) is a framework that utilizes both labeled and unlabeled data to enhance model performance. Conventional SSL methods operate under the assumption that labeled and unlabeled data share the same label space.…

计算机视觉与模式识别 · 计算机科学 2023-11-16 Noam Fluss , Guy Hacohen , Daphna Weinshall

User interaction with voice-powered agents generates large amounts of unlabeled utterances. In this paper, we explore techniques to efficiently transfer the knowledge from these unlabeled utterances to improve model performance on Spoken…

计算与语言 · 计算机科学 2018-11-14 Aditya Siddhant , Anuj Goyal , Angeliki Metallinou

One of the most important factors in training object recognition networks using convolutional neural networks (CNNs) is the provision of annotated data accompanying human judgment. Particularly, in object detection or semantic segmentation,…

计算机视觉与模式识别 · 计算机科学 2018-02-21 Min-Kook Choi , Jaehyeong Park , Jihun Jung , Heechul Jung , Jin-Hee Lee , Woong Jae Won , Woo Young Jung , Jincheol Kim , Soon Kwon

Recent empirical works have successfully used unlabeled data to learn feature representations that are broadly useful in downstream classification tasks. Several of these methods are reminiscent of the well-known word2vec embedding…

机器学习 · 计算机科学 2019-02-26 Sanjeev Arora , Hrishikesh Khandeparkar , Mikhail Khodak , Orestis Plevrakis , Nikunj Saunshi

Vision-language pre-training (VLP) on large-scale image-text pairs has recently witnessed rapid progress for learning cross-modal representations. Existing pre-training methods either directly concatenate image representation and text…

计算与语言 · 计算机科学 2021-03-16 Chenliang Li , Ming Yan , Haiyang Xu , Fuli Luo , Wei Wang , Bin Bi , Songfang Huang

Unsupervised text embedding methods, such as Skip-gram and Paragraph Vector, have been attracting increasing attention due to their simplicity, scalability, and effectiveness. However, comparing to sophisticated deep learning architectures…

计算与语言 · 计算机科学 2015-08-04 Jian Tang , Meng Qu , Qiaozhu Mei

Effective convolutional neural networks are trained on large sets of labeled data. However, creating large labeled datasets is a very costly and time-consuming task. Semi-supervised learning uses unlabeled data to train a model with higher…

计算机视觉与模式识别 · 计算机科学 2016-06-16 Mehdi Sajjadi , Mehran Javanmardi , Tolga Tasdizen

Self-supervised Transformer based models, such as wav2vec 2.0 and HuBERT, have produced significant improvements over existing approaches to automatic speech recognition (ASR). This is evident in the performance of the wav2vec 2.0 based…

计算与语言 · 计算机科学 2022-07-05 Mitchell DeHaven , Jayadev Billa

Recent research demonstrates the effectiveness of using pretrained language models (PLM) to improve dense retrieval and multilingual dense retrieval. In this work, we present a simple but effective monolingual pretraining task called…

信息检索 · 计算机科学 2022-06-08 Ning Wu , Yaobo Liang , Houxing Ren , Linjun Shou , Nan Duan , Ming Gong , Daxin Jiang

Pseudo-labeling is the most adopted method for pre-training automatic speech recognition (ASR) models. However, its performance suffers from the supervised teacher model's degrading quality in low-resource setups and under domain transfer.…

计算与语言 · 计算机科学 2021-03-10 Alex Xiao , Christian Fuegen , Abdelrahman Mohamed

Common cross-validation (CV) methods like k-fold cross-validation or Monte-Carlo cross-validation estimate the predictive performance of a learner by repeatedly training it on a large portion of the given data and testing on the remaining…

机器学习 · 计算机科学 2021-11-30 Felix Mohr , Jan N. van Rijn

Consistency regularization and pseudo labeling-based semi-supervised methods perform co-training using the pseudo labels from multi-view inputs. However, such co-training models tend to converge early to a consensus, degenerating to the…

计算机视觉与模式识别 · 计算机科学 2023-05-29 Zhiqiang Shen , Peng Cao , Hua Yang , Xiaoli Liu , Jinzhu Yang , Osmar R. Zaiane

The success of deep neural networks often relies on a large amount of labeled examples, which can be difficult to obtain in many real scenarios. To address this challenge, unsupervised methods are strongly preferred for training neural…

计算机视觉与模式识别 · 计算机科学 2019-03-26 Liheng Zhang , Guo-Jun Qi , Liqiang Wang , Jiebo Luo

Self-supervised learning has become increasingly important to leverage the abundance of unlabeled data available on platforms like YouTube. Whereas most existing approaches learn low-level representations, we propose a joint…

计算机视觉与模式识别 · 计算机科学 2019-09-13 Chen Sun , Austin Myers , Carl Vondrick , Kevin Murphy , Cordelia Schmid

Large-scale vision 2D vision language models, such as CLIP can be aligned with a 3D encoder to learn generalizable (open-vocabulary) 3D vision models. However, current methods require supervised pre-training for such alignment, and the…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Amaya Dharmasiri , Muzammal Naseer , Salman Khan , Fahad Shahbaz Khan

Semi-supervised learning has the potential to improve the data-efficiency of training data-hungry deep neural networks, which is especially important for medical image analysis tasks where labeled data is scarce. In this work, we present a…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Boon Peng Yap , Beng Koon Ng