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Transformer-based large language models have remarkable potential to accelerate design optimization for applications such as drug development and materials discovery. Self-supervised pretraining of transformer models requires large-scale…

机器学习 · 计算机科学 2023-10-27 Pei Zhang , Logan Kearney , Debsindhu Bhowmik , Zachary Fox , Amit K. Naskar , John Gounley

Current video-based Masked Autoencoders (MAEs) primarily focus on learning effective spatiotemporal representations from a visual perspective, which may lead the model to prioritize general spatial-temporal patterns but often overlook…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Shihab Aaqil Ahamed , Malitha Gunawardhana , Liel David , Michael Sidorov , Daniel Harari , Muhammad Haris Khan

Masked image modeling (MIM) has become a leading self-supervised learning strategy. MIMs such as Masked Autoencoder (MAE) learn strong representations by randomly masking input tokens for the encoder to process, with the decoder…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Taekyung Kim , Sanghyuk Chun , Byeongho Heo , Dongyoon Han

In this work, we explore regions as a potential visual analogue of words for self-supervised image representation learning. Inspired by Masked Autoencoding (MAE), a generative pre-training baseline, we propose masked region autoencoding to…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Duy-Kien Nguyen , Vaibhav Aggarwal , Yanghao Li , Martin R. Oswald , Alexander Kirillov , Cees G. M. Snoek , Xinlei Chen

Transformer-based models have shown outstanding results in natural language processing but face challenges in applications like classifying small-scale clinical texts, especially with constrained computational resources. This study presents…

计算与语言 · 计算机科学 2025-06-04 Thanh-Dung Le , Philippe Jouvet , Rita Noumeir

We propose Masked Capsule Autoencoders (MCAE), the first Capsule Network that utilises pretraining in a modern self-supervised paradigm, specifically the masked image modelling framework. Capsule Networks have emerged as a powerful…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Miles Everett , Mingjun Zhong , Georgios Leontidis

Automated analysis of surgical videos is crucial for improving surgical training, workflow optimization, and postoperative assessment. We introduce a CSMAE, Masked Autoencoder (MAE)-based pretraining approach, specifically developed for…

计算机视觉与模式识别 · 计算机科学 2025-02-14 Nisarg A. Shah , Wele Gedara Chaminda Bandara , Shameema Skider , S. Swaroop Vedula , Vishal M. Patel

Recent advances in latent diffusion models have demonstrated their effectiveness for high-resolution image synthesis. However, the properties of the latent space from tokenizer for better learning and generation of diffusion models remain…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Hao Chen , Yujin Han , Fangyi Chen , Xiang Li , Yidong Wang , Jindong Wang , Ze Wang , Zicheng Liu , Difan Zou , Bhiksha Raj

Self-supervised speech models have demonstrated impressive performance in speech processing, but their effectiveness on non-speech data remains underexplored. We study the transfer learning capabilities of such models on bioacoustic…

机器学习 · 计算机科学 2025-12-10 Jules Cauzinille , Marius Miron , Olivier Pietquin , Masato Hagiwara , Ricard Marxer , Arnaud Rey , Benoit Favre

In this work, we propose a Multi-Window Masked Autoencoder (MW-MAE) fitted with a novel Multi-Window Multi-Head Attention (MW-MHA) module that facilitates the modelling of local-global interactions in every decoder transformer block through…

声音 · 计算机科学 2023-10-03 Sarthak Yadav , Sergios Theodoridis , Lars Kai Hansen , Zheng-Hua Tan

Traditionally, research in automated speech recognition has focused on local-first encoding of audio representations to predict the spoken phonemes in an utterance. Unfortunately, approaches relying on such hyper-local information tend to…

音频与语音处理 · 电气工程与系统科学 2022-09-19 David M. Chan , Shalini Ghosh , Debmalya Chakrabarty , Björn Hoffmeister

We propose a new unsupervised model for mapping a variable-duration speech segment to a fixed-dimensional representation. The resulting acoustic word embeddings can form the basis of search, discovery, and indexing systems for low- and…

音频与语音处理 · 电气工程与系统科学 2020-12-07 Puyuan Peng , Herman Kamper , Karen Livescu

Audio self-supervised learning (SSL) pre-training, which aims to learn good representations from unlabeled audio, has made remarkable progress. However, the extensive computational demands during pre-training pose a significant barrier to…

音频与语音处理 · 电气工程与系统科学 2024-01-09 Wenxi Chen , Yuzhe Liang , Ziyang Ma , Zhisheng Zheng , Xie Chen

Self-attention models such as Transformers, which can capture temporal relationships without being limited by the distance between events, have given competitive speech recognition results. However, we note the range of the learned context…

计算与语言 · 计算机科学 2020-11-11 Shucong Zhang , Erfan Loweimi , Peter Bell , Steve Renals

Initially developed for natural language processing (NLP), Transformer model is now widely used for speech processing tasks such as speaker recognition, due to its powerful sequence modeling capabilities. However, conventional…

音频与语音处理 · 电气工程与系统科学 2022-01-28 Rui Wang , Junyi Ao , Long Zhou , Shujie Liu , Zhihua Wei , Tom Ko , Qing Li , Yu Zhang

Vision Transformers (ViT) become widely-adopted architectures for various vision tasks. Masked auto-encoding for feature pretraining and multi-scale hybrid convolution-transformer architectures can further unleash the potentials of ViT,…

计算机视觉与模式识别 · 计算机科学 2022-05-20 Peng Gao , Teli Ma , Hongsheng Li , Ziyi Lin , Jifeng Dai , Yu Qiao

Interpretability is essential for user trust in real-world anomaly detection applications. However, deep learning models, despite their strong performance, often lack transparency. In this work, we study the interpretability of…

Transformers, which were originally developed for natural language processing, have recently generated significant interest in the computer vision and audio communities due to their flexibility in learning long-range relationships.…

声音 · 计算机科学 2024-08-15 Sara Atito , Muhammad Awais , Wenwu Wang , Mark D Plumbley , Josef Kittler

In this work, we address music representation learning using convolution-free transformers. We build on top of existing spectrogram-based audio transformers such as AST and train our models on a supervised task using patchout training…

声音 · 计算机科学 2023-09-29 Pablo Alonso-Jiménez , Xavier Serra , Dmitry Bogdanov

Instance segmentation in electron microscopy (EM) volumes is tough due to complex shapes and sparse annotations. Self-supervised learning helps but still struggles with intricate visual patterns in EM. To address this, we propose a…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Yinda Chen , Wei Huang , Xiaoyu Liu , Shiyu Deng , Qi Chen , Zhiwei Xiong