中文
相关论文

相关论文: AdPE: Adversarial Positional Embeddings for Pretra…

200 篇论文

Vision-language Models (VLMs) have shown remarkable capabilities in advancing general artificial intelligence, yet the irrational encoding of visual positions persists in inhibiting the models' comprehensive perception performance across…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Zhanpeng Chen , Mingxiao Li , Ziyang Chen , Nan Du , Xiaolong Li , Yuexian Zou

Existing works show that augmenting the training data of pre-trained language models (PLMs) for classification tasks fine-tuned via parameter-efficient fine-tuning methods (PEFT) using both clean and adversarial examples can enhance their…

计算与语言 · 计算机科学 2024-06-18 Tuc Nguyen , Thai Le

Mask-based pretraining has become a cornerstone of modern large-scale models across language, vision, and recently biology. Despite its empirical success, its role and limits in learning data representations have been unclear. In this work,…

机器学习 · 计算机科学 2025-09-29 Mingze Dong , Leda Wang , Yuval Kluger

Self-supervised learning has attracted increasing attention as it learns data-driven representation from data without annotations. Vision transformer-based autoencoder (ViT-AE) by He et al. (2021) is a recent self-supervised learning…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Chinmay Prabhakar , Hongwei Bran Li , Jiancheng Yang , Suprosana Shit , Benedikt Wiestler , Bjoern Menze

This paper studies masked autoencoder (MAE) video pre-training for various temporal matching-based downstream tasks, i.e., object-level tracking tasks including video object tracking (VOT) and video object segmentation (VOS),…

计算机视觉与模式识别 · 计算机科学 2025-04-07 Qiangqiang Wu , Tianyu Yang , Ziquan Liu , Wei Lin , Baoyuan Wu , Antoni B. Chan

Since the development of self-supervised visual representation learning from contrastive learning to masked image modeling (MIM), there is no significant difference in essence, that is, how to design proper pretext tasks for vision…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Kun Yi , Yixiao Ge , Xiaotong Li , Shusheng Yang , Dian Li , Jianping Wu , Ying Shan , Xiaohu Qie

Self-supervised pretraining has transformed computer vision by enabling data-efficient fine-tuning, yet high-resolution training typically requires server-scale infrastructure, limiting in-domain foundation model development for many…

计算机视觉与模式识别 · 计算机科学 2026-02-19 David Smerkous , Zian Wang , Behzad Najafian

We propose ViC-MAE, a model that combines both Masked AutoEncoders (MAE) and contrastive learning. ViC-MAE is trained using a global featured obtained by pooling the local representations learned under an MAE reconstruction loss and…

计算机视觉与模式识别 · 计算机科学 2024-10-04 Jefferson Hernandez , Ruben Villegas , Vicente Ordonez

In this work, we investigate the positional encoding methods used in language pre-training (e.g., BERT) and identify several problems in the existing formulations. First, we show that in the absolute positional encoding, the addition…

计算与语言 · 计算机科学 2021-03-16 Guolin Ke , Di He , Tie-Yan Liu

In Transformer-based architectures, the attention mechanism is inherently permutation-invariant with respect to the input sequence's tokens. To impose sequential order, token positions are typically encoded using a scheme with either fixed…

机器学习 · 计算机科学 2023-10-31 Giorgio Angelotti

While MLLMs perform well on perceptual tasks, they lack precise multimodal alignment, limiting performance. To address this challenge, we propose Vision Dynamic Embedding-Guided Pretraining (VDEP), a hybrid autoregressive training paradigm…

计算机视觉与模式识别 · 计算机科学 2025-02-14 Mingxiao Li , Fang Qu , Zhanpeng Chen , Na Su , Zhizhou Zhong , Ziyang Chen , Nan Du , Xiaolong Li

Building scalable vision-language models to learn from diverse, multimodal data remains an open challenge. In this paper, we introduce an Efficient Vision-languagE foundation model, namely EVE, which is one unified multimodal Transformer…

计算机视觉与模式识别 · 计算机科学 2024-03-04 Junyi Chen , Longteng Guo , Jia Sun , Shuai Shao , Zehuan Yuan , Liang Lin , Dongyu Zhang

Masked image modeling (MIM) has emerged as a promising approach for pre-training Vision Transformers (ViTs). MIMs predict masked tokens token-wise to recover target signals that are tokenized from images or generated by pre-trained models…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Taekyung Kim , Byeongho Heo , Dongyoon Han

Large, pretrained models are commonly finetuned with imagery that is heavily augmented to mimic different conditions and scales, with the resulting models used for various tasks with imagery from a range of spatial scales. Such models…

Recently, researchers have utilized neural networks to accurately solve partial differential equations (PDEs), enabling the mesh-free method for scientific computation. Unfortunately, the network performance drops when encountering a high…

机器学习 · 计算机科学 2021-09-29 Pongpisit Thanasutives , Masayuki Numao , Ken-ichi Fukui

Recently, vision transformer (ViT) based multimodal learning methods have been proposed to improve the robustness of face anti-spoofing (FAS) systems. However, there are still no works to explore the fundamental natures (\textit{e.g.},…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Zitong Yu , Rizhao Cai , Yawen Cui , Xin Liu , Yongjian Hu , Alex Kot

Multimodal contrastive learning aims to train a general-purpose feature extractor, such as CLIP, on vast amounts of raw, unlabeled paired image-text data. This can greatly benefit various complex downstream tasks, including cross-modal…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Ziqi Zhou , Shengshan Hu , Minghui Li , Hangtao Zhang , Yechao Zhang , Hai Jin

Although Vision Transformers (ViTs) have recently advanced computer vision tasks significantly, an important real-world problem was overlooked: adapting to variable input resolutions. Typically, images are resized to a fixed resolution,…

计算机视觉与模式识别 · 计算机科学 2024-05-29 Wenzhuo Liu , Fei Zhu , Shijie Ma , Cheng-Lin Liu

Self-supervised foundation models have shown great potential in computer vision thanks to the pre-training paradigm of masked autoencoding. Scale is a primary factor influencing the performance of these foundation models. However, these…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Zhiyu Zhao , Bingkun Huang , Sen Xing , Gangshan Wu , Yu Qiao , Limin Wang

Recently, more and more images are compressed and sent to the back-end devices for the machine analysis tasks~(\textit{e.g.,} object detection) instead of being purely watched by humans. However, most traditional or learned image codecs are…

图像与视频处理 · 电气工程与系统科学 2022-06-14 Guo Lu , Xingtong Ge , Tianxiong Zhong , Jing Geng , Qiang Hu