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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

Contrastive language-image pre-training (CLIP) models have demonstrated considerable success across various vision-language tasks, such as text-to-image retrieval, where the model is required to effectively process natural language input to…

计算机视觉与模式识别 · 计算机科学 2024-02-26 Hyunjae Kim , Seunghyun Yoon , Trung Bui , Handong Zhao , Quan Tran , Franck Dernoncourt , Jaewoo Kang

Masked autoencoders (MAE) have recently succeeded in self-supervised vision representation learning. Previous work mainly applied custom-designed (e.g., random, block-wise) masking or teacher (e.g., CLIP)-guided masking and targets.…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Shentong Mo

Recently, significant progress has been made in masked image modeling to catch up to masked language modeling. However, unlike words in NLP, the lack of semantic decomposition of images still makes masked autoencoding (MAE) different…

计算机视觉与模式识别 · 计算机科学 2022-10-06 Gang Li , Heliang Zheng , Daqing Liu , Chaoyue Wang , Bing Su , Changwen Zheng

Large-scale multi-modal contrastive pre-training has demonstrated great utility to learn transferable features for a range of downstream tasks by mapping multiple modalities into a shared embedding space. Typically, this has employed…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Haoxuan You , Luowei Zhou , Bin Xiao , Noel Codella , Yu Cheng , Ruochen Xu , Shih-Fu Chang , Lu Yuan

Masked Autoencoder (MAE) has recently been shown to be effective in pre-training Vision Transformers (ViT) for natural image analysis. By reconstructing full images from partially masked inputs, a ViT encoder aggregates contextual…

图像与视频处理 · 电气工程与系统科学 2023-04-24 Lei Zhou , Huidong Liu , Joseph Bae , Junjun He , Dimitris Samaras , Prateek Prasanna

Vision-language models (VLMs) such as CLIP are trained via contrastive learning between text and image pairs, resulting in aligned image and text embeddings that are useful for many downstream tasks. A notable drawback of CLIP, however, is…

机器学习 · 计算机科学 2025-07-08 Dylan Sam , Devin Willmott , Joao D. Semedo , J. Zico Kolter

The availability of clean and diverse labeled data is a major roadblock for training models on complex tasks such as visual question answering (VQA). The extensive work on large vision-and-language models has shown that self-supervised…

计算机视觉与模式识别 · 计算机科学 2022-06-30 Violetta Shevchenko , Ehsan Abbasnejad , Anthony Dick , Anton van den Hengel , Damien Teney

Self-supervised learning has emerged as a powerful approach for leveraging large-scale unlabeled data to improve model performance in various domains. In this paper, we explore masked self-supervised pre-training for text recognition…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Martin Kišš , Michal Hradiš

Contrastive Language-Image Pre-training (CLIP) demonstrates strong potential in medical image analysis but requires substantial data and computational resources. Due to these restrictions, existing CLIP applications in medical imaging focus…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Yuexi Du , John Onofrey , Nicha C. Dvornek

An important goal of self-supervised learning is to enable model pre-training to benefit from almost unlimited data. However, one method that has recently become popular, namely masked image modeling (MIM), is suspected to be unable to…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Zhenda Xie , Zheng Zhang , Yue Cao , Yutong Lin , Yixuan Wei , Qi Dai , Han Hu

Recent advances in self-supervised learning (SSL) have largely closed the gap with supervised ImageNet pretraining. Despite their success these methods have been primarily applied to unlabeled ImageNet images, and show marginal gains when…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Ramprasaath R. Selvaraju , Karan Desai , Justin Johnson , Nikhil Naik

Masked image modeling is a promising self-supervised learning method for visual data. It is typically built upon image patches with random masks, which largely ignores the variation of information density between them. The question is: Is…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Haijian Chen , Wendong Zhang , Yunbo Wang , Xiaokang Yang

Self-supervised pretraining followed by supervised fine-tuning has seen success in image recognition, especially when labeled examples are scarce, but has received limited attention in medical image analysis. This paper studies the…

Vision transformers combined with self-supervised learning have enabled the development of models which scale across large datasets for several downstream tasks like classification, segmentation and detection. The low-shot learning…

计算机视觉与模式识别 · 计算机科学 2024-06-26 Srinivasa Rao Nandam , Sara Atito , Zhenhua Feng , Josef Kittler , Muhammad Awais

Pre-training vision-language models with contrastive objectives has shown promising results that are both scalable to large uncurated datasets and transferable to many downstream applications. Some following works have targeted to improve…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Janghyeon Lee , Jongsuk Kim , Hyounguk Shon , Bumsoo Kim , Seung Hwan Kim , Honglak Lee , Junmo Kim

Masked Autoencoders (MAE) have been popular paradigms for large-scale vision representation pre-training. However, MAE solely reconstructs the low-level RGB signals after the decoder and lacks supervision upon high-level semantics for the…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Peng Gao , Renrui Zhang , Rongyao Fang , Ziyi Lin , Hongyang Li , Hongsheng Li , Qiao Yu

Contrastive Language-Image Pre-training (CLIP) has significantly boosted the performance of various vision-language tasks by scaling up the dataset with image-text pairs collected from the web. However, the presence of intrinsic noise and…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Kaicheng Yang , Jiankang Deng , Xiang An , Jiawei Li , Ziyong Feng , Jia Guo , Jing Yang , Tongliang Liu

There are a thousand ways to caption an image. Contrastive Language Pretraining (CLIP) on the other hand, works by mapping an image and its caption to a single vector -- limiting how well CLIP-like models can represent the diverse ways to…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Samuel Lavoie , Polina Kirichenko , Mark Ibrahim , Mahmoud Assran , Andrew Gordon Wilson , Aaron Courville , Nicolas Ballas

Self-supervised learning has been a powerful training paradigm to facilitate representation learning. In this study, we design a masked autoencoder (MAE) to guide deep learning models to learn electroencephalography (EEG) signal…

人机交互 · 计算机科学 2024-09-04 Yifei Zhou , Sitong Liu