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Self-supervised learning (SSL) plays a central role in molecular representation learning. Yet, many recent innovations in masking-based pretraining are introduced as heuristics and lack principled evaluation, obscuring which design choices…

机器学习 · 计算机科学 2025-12-09 Jiannan Yang , Veronika Thost , Tengfei Ma

Self-Supervised Learning (SSL) methods harness the concept of semantic invariance by utilizing data augmentation strategies to produce similar representations for different deformations of the same input. Essentially, the model captures the…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Huijie Guo , Ying Ba , Jie Hu , Lingyu Si , Wenwen Qiang , Lei Shi

Most existing text recognition methods are trained on large-scale synthetic datasets due to the scarcity of labeled real-world datasets. Synthetic images, however, cannot faithfully reproduce real-world scenarios, such as uneven…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Zhengmi Tang , Yuto Mitsui , Tomo Miyazaki , Shinichiro Omachi

Masked Autoencoders (MAE) based on a reconstruction task have risen to be a promising paradigm for self-supervised learning (SSL) and achieve state-of-the-art performance across different benchmark datasets. However, despite its impressive…

机器学习 · 计算机科学 2023-03-28 Qi Zhang , Yifei Wang , Yisen Wang

In recent years self-supervised learning has emerged as a promising candidate for unsupervised representation learning. In the visual domain its applications are mostly studied in the context of images of natural scenes. However, its…

计算机视觉与模式识别 · 计算机科学 2021-06-04 Vladan Stojnić , Vladimir Risojević

Transformers have gained increasing popularity in a wide range of applications, including Natural Language Processing (NLP), Computer Vision and Speech Recognition, because of their powerful representational capacity. However, harnessing…

Point cloud understanding aims to acquire robust and general feature representations from unlabeled data. Masked point modeling-based methods have recently shown significant performance across various downstream tasks. These pre-training…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Yixin Zha , Chuxin Wang , Wenfei Yang , Tianzhu Zhang

Pre-training has exhibited notable benefits to downstream tasks by boosting accuracy and speeding up convergence, but the exact reasons for these benefits still remain unclear. To this end, we propose to quantitatively and explicitly…

机器学习 · 计算机科学 2024-10-14 Xin Jiang , Xu Cheng , Zechao Li

Fine-tuning large language models (LLM) can be costly. Parameter-efficient fine-tuning (PEFT) addresses the problems by training a fraction of the parameters, whose success reveals the expressiveness and flexibility of pretrained models.…

机器学习 · 计算机科学 2024-05-07 Jing Xu , Jingzhao Zhang

An increasingly popular machine learning paradigm is to pretrain a neural network (NN) on many tasks offline, then adapt it to downstream tasks, often by re-training only the last linear layer of the network. This approach yields strong…

机器学习 · 计算机科学 2024-06-10 Liam Collins , Hamed Hassani , Mahdi Soltanolkotabi , Aryan Mokhtari , Sanjay Shakkottai

For protein sequence datasets, unlabeled data has greatly outpaced labeled data due to the high cost of wet-lab characterization. Recent deep-learning approaches to protein prediction have shown that pre-training on unlabeled data can yield…

机器学习 · 计算机科学 2020-12-02 Pascal Sturmfels , Jesse Vig , Ali Madani , Nazneen Fatema Rajani

Recent general-purpose audio representations show state-of-the-art performance on various audio tasks. These representations are pre-trained by self-supervised learning methods that create training signals from the input. For example,…

音频与语音处理 · 电气工程与系统科学 2023-03-09 Daisuke Niizumi , Daiki Takeuchi , Yasunori Ohishi , Noboru Harada , Kunio Kashino

How to learn discriminative video representation from unlabeled videos is challenging but crucial for video analysis. The latest attempts seek to learn a representation model by predicting the appearance contents in the masked regions.…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Xinyu Sun , Peihao Chen , Liangwei Chen , Changhao Li , Thomas H. Li , Mingkui Tan , Chuang Gan

Prompt learning has achieved great success in efficiently exploiting large-scale pre-trained models in natural language processing (NLP). It reformulates the downstream tasks as the generative pre-training ones to achieve consistency, thus…

计算机视觉与模式识别 · 计算机科学 2023-12-18 Ning Liao , Bowen Shi , Xiaopeng Zhang , Min Cao , Junchi Yan , Qi Tian

Intelligent agents should have the ability to leverage knowledge from previously learned tasks in order to learn new ones quickly and efficiently. Meta-learning approaches have emerged as a popular solution to achieve this. However,…

机器学习 · 计算机科学 2023-02-17 Zhao Mandi , Pieter Abbeel , Stephen James

We propose a pre-training strategy called Multi-modal Multi-task Masked Autoencoders (MultiMAE). It differs from standard Masked Autoencoding in two key aspects: I) it can optionally accept additional modalities of information in the input…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Roman Bachmann , David Mizrahi , Andrei Atanov , Amir Zamir

To better support retrieval applications such as web search and question answering, growing effort is made to develop retrieval-oriented language models. Most of the existing works focus on improving the semantic representation capability…

计算与语言 · 计算机科学 2022-11-17 Shitao Xiao , Zheng Liu

Self-supervised learning approaches leverage unlabeled samples to acquire generic knowledge about different concepts, hence allowing for annotation-efficient downstream task learning. In this paper, we propose a novel self-supervised method…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Aiham Taleb , Christoph Lippert , Tassilo Klein , Moin Nabi

Masked autoencoder (MAE) has attracted unprecedented attention and achieves remarkable performance in many vision tasks. It reconstructs random masked image patches (known as proxy task) during pretraining and learns meaningful semantic…

计算机视觉与模式识别 · 计算机科学 2023-07-14 Qingbo Kang , Jun Gao , Kang Li , Qicheng Lao

Unsupervised pre-training was a critical technique for training deep neural networks years ago. With sufficient labeled data and modern training techniques, it is possible to train very deep neural networks from scratch in a purely…

计算机视觉与模式识别 · 计算机科学 2017-03-29 Jianfeng Dong , Xiao-Jiao Mao , Chunhua Shen , Yu-Bin Yang