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Recent studies have shown that the benefits provided by self-supervised pre-training and self-training (pseudo-labeling) are complementary. Semi-supervised fine-tuning strategies under the pre-training framework, however, remain…

声音 · 计算机科学 2022-06-28 Bowen Zhang , Songjun Cao , Xiaoming Zhang , Yike Zhang , Long Ma , Takahiro Shinozaki

Arguably one of the top success stories of deep learning is transfer learning. The finding that pre-training a network on a rich source set (eg., ImageNet) can help boost performance once fine-tuned on a usually much smaller target set, has…

计算机视觉与模式识别 · 计算机科学 2020-11-24 Saining Xie , Jiatao Gu , Demi Guo , Charles R. Qi , Leonidas J. Guibas , Or Litany

Recent advances in multimodal LLMs, have led to several video-text models being proposed for critical video-related tasks. However, most of the previous works support visual input only, essentially muting the audio signal in the video. Few…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Shivprasad Sagare , Hemachandran S , Kinshuk Sarabhai , Prashant Ullegaddi , Rajeshkumar SA

We investigate the utility of pretraining by contrastive self supervised learning on both natural-scene and medical imaging datasets when the unlabeled dataset size is small, or when the diversity within the unlabeled set does not lead to…

图像与视频处理 · 电气工程与系统科学 2021-09-07 Ozan Ciga , Tony Xu , Anne L. Martel

Deep neural network based speech enhancement approaches aim to learn a noisy-to-clean transformation using a supervised learning paradigm. However, such a trained-well transformation is vulnerable to unseen noises that are not included in…

声音 · 计算机科学 2023-02-24 Chen Chen , Yuchen Hu , Heqing Zou , Linhui Sun , Eng Siong Chng

Audio events are quite often overlapping in nature, and more prone to noise than visual signals. There has been increasing evidence for the superior performance of representations learned using sparse dictionaries for applications like…

机器学习 · 计算机科学 2017-12-05 Vaisakh Shaj , Puranjoy Bhattacharya

Deep learning has been applied to diverse audio semantics tasks, enabling the construction of models that learn hierarchical levels of features from high-dimensional raw data, delivering state-of-the-art performance. But do these algorithms…

声音 · 计算机科学 2021-07-21 Lazaros Vrysis , Iordanis Thoidis , Charalampos Dimoulas , George Papanikolaou

Our objective is to transform a video into a set of discrete audio-visual objects using self-supervised learning. To this end, we introduce a model that uses attention to localize and group sound sources, and optical flow to aggregate…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Triantafyllos Afouras , Andrew Owens , Joon Son Chung , Andrew Zisserman

Speaker recognition, recognizing speaker identities based on voice alone, enables important downstream applications, such as personalization and authentication. Learning speaker representations, in the context of supervised learning,…

机器学习 · 计算机科学 2022-07-13 Metehan Cekic , Ruirui Li , Zeya Chen , Yuguang Yang , Andreas Stolcke , Upamanyu Madhow

Most of the achievements in artificial intelligence so far were accomplished by supervised learning which requires numerous annotated training data and thus costs innumerable manpower for labeling. Unsupervised learning is one of the…

计算机视觉与模式识别 · 计算机科学 2021-06-14 Mingxiang Chen , Zhanguo Chang , Haonan Lu , Bitao Yang , Zhuang Li , Liufang Guo , Zhecheng Wang

Unsupervised pre-training has been proven as an effective approach to boost various downstream tasks given limited labeled data. Among various methods, contrastive learning learns a discriminative representation by constructing positive and…

图像与视频处理 · 电气工程与系统科学 2022-02-17 Jizong Peng , Ping Wang , Marco Pedersoli , Christian Desrosiers

Building a good speech recognition system usually requires large amounts of transcribed data, which is expensive to collect. To tackle this problem, many unsupervised pre-training methods have been proposed. Among these methods, Masked…

音频与语音处理 · 电气工程与系统科学 2020-06-24 Dongwei Jiang , Wubo Li , Ruixiong Zhang , Miao Cao , Ne Luo , Yang Han , Wei Zou , Xiangang Li

Due to the scarcity of labeled data, using supervised models pre-trained on ImageNet is a de facto standard in remote sensing scene classification. Recently, the availability of larger high resolution remote sensing (HRRS) image datasets…

计算机视觉与模式识别 · 计算机科学 2022-05-26 Vladimir Risojević , Vladan Stojnić

Contemporary speech enhancement predominantly relies on audio transforms that are trained to reconstruct a clean speech waveform. The development of high-performing neural network sound recognition systems has raised the possibility of…

音频与语音处理 · 电气工程与系统科学 2025-11-18 Mark R. Saddler , Andrew Francl , Jenelle Feather , Kaizhi Qian , Yang Zhang , Josh H. McDermott

Learning rich visual representations using contrastive self-supervised learning has been extremely successful. However, it is still a major question whether we could use a similar approach to learn superior auditory representations. In this…

声音 · 计算机科学 2020-10-20 Haider Al-Tahan , Yalda Mohsenzadeh

Recent studies show that pretrained vision models can boost performance in audio downstream tasks. To enhance the performance further, an additional pretraining stage with large scale audio data is typically required to infuse audio…

声音 · 计算机科学 2024-12-10 Juan Yeo , Jinkwan Jang , Kyubyung Chae , Seongkyu Mun , Taesup Kim

Supervised learning for single-channel speech enhancement requires carefully labeled training examples where the noisy mixture is input into the network and the network is trained to produce an output close to the ideal target. To relax the…

音频与语音处理 · 电气工程与系统科学 2020-06-19 Yu-Che Wang , Shrikant Venkataramani , Paris Smaragdis

Transfer learning (TL) is an increasingly popular approach to training deep learning (DL) models that leverages the knowledge gained by training a foundation model on diverse, large-scale datasets for use on downstream tasks where less…

机器学习 · 计算机科学 2024-12-06 John Fischer , Marko Orescanin , Eric Eckstrand

Event cameras asynchronously capture brightness changes with low latency, high temporal resolution, and high dynamic range. However, annotation of event data is a costly and laborious process, which limits the use of deep learning methods…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Simon Klenk , David Bonello , Lukas Koestler , Nikita Araslanov , Daniel Cremers

Pre-trained vision-language models have notably accelerated progress of open-world concept recognition. Their impressive zero-shot ability has recently been transferred to multi-label image classification via prompt tuning, enabling to…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Xuelin Zhu , Jiuxin Cao , Jian liu , Dongqi Tang , Furong Xu , Weijia Liu , Jiawei Ge , Bo Liu , Qingpei Guo , Tianyi Zhang