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CLIP models perform remarkably well on zero-shot classification and retrieval tasks. But recent studies have shown that learnt representations in CLIP are not well suited for dense prediction tasks like object detection, semantic…

计算机视觉与模式识别 · 计算机科学 2024-05-16 Pavan Kumar Anasosalu Vasu , Hadi Pouransari , Fartash Faghri , Oncel Tuzel

This work investigates three methods for calculating loss for autoencoder-based pretraining of image encoders: The commonly used reconstruction loss, the more recently introduced deep perceptual similarity loss, and a feature prediction…

计算机视觉与模式识别 · 计算机科学 2021-05-19 Gustav Grund Pihlgren , Fredrik Sandin , Marcus Liwicki

Masked Image Modeling (MIM) achieves outstanding success in self-supervised representation learning. Unfortunately, MIM models typically have huge computational burden and slow learning process, which is an inevitable obstacle for their…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Haoqing Wang , Yehui Tang , Yunhe Wang , Jianyuan Guo , Zhi-Hong Deng , Kai Han

In this work, we explore the potential of self-supervised learning with Generative Adversarial Networks (GANs) for electron microscopy datasets. We show how self-supervised pretraining facilitates efficient fine-tuning for a spectrum of…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Bashir Kazimi , Karina Ruzaeva , Stefan Sandfeld

Recent advances in vision-language pre-training have enabled machines to perform better in multimodal object discrimination (e.g., image-text semantic alignment) and image synthesis (e.g., text-to-image generation). On the other hand,…

计算机视觉与模式识别 · 计算机科学 2023-06-02 Xiao Dong , Runhui Huang , Xiaoyong Wei , Zequn Jie , Jianxing Yu , Jian Yin , Xiaodan Liang

Compared to the prosperity of pre-training models in natural image understanding, the research on large-scale pre-training models for facial knowledge learning is still limited. Current approaches mainly rely on manually assembled and…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Yudong Li , Hao Li , Xianxu Hou , Linlin Shen

Neural networks often make predictions relying on the spurious correlations from the datasets rather than the intrinsic properties of the task of interest, facing sharp degradation on out-of-distribution (OOD) test data. Existing de-bias…

机器学习 · 计算机科学 2023-01-20 Xinzhe Han , Shuhui Wang , Chi Su , Qingming Huang , Qi Tian

Masked image modeling, an emerging self-supervised pre-training method, has shown impressive success across numerous downstream vision tasks with Vision transformers. Its underlying idea is simple: a portion of the input image is masked out…

计算机视觉与模式识别 · 计算机科学 2023-06-05 Siyuan Li , Di Wu , Fang Wu , Zelin Zang , Stan. Z. Li

We empirically investigate proper pre-training methods to build good visual tokenizers, making Large Language Models (LLMs) powerful Multimodal Large Language Models (MLLMs). In our benchmark, which is curated to evaluate MLLMs visual…

计算机视觉与模式识别 · 计算机科学 2023-05-24 Guangzhi Wang , Yixiao Ge , Xiaohan Ding , Mohan Kankanhalli , Ying Shan

Blind image deconvolution (BID) is a classic yet challenging problem in the field of image processing. Recent advances in deep image prior (DIP) have motivated a series of DIP-based approaches, demonstrating remarkable success in BID.…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Jiangtao Zhang , Zongsheng Yue , Hui Wang , Qian Zhao , Deyu Meng

This paper introduces a new lifelong learning solution where a single model is trained for a sequence of tasks. The main challenge that vision systems face in this context is catastrophic forgetting: as they tend to adapt to the most…

计算机视觉与模式识别 · 计算机科学 2018-07-19 Amal Rannen Triki , Rahaf Aljundi , Mathew B. Blaschko , Tinne Tuytelaars

Can a small amount of verified goal information steer the expensive self-supervised pretraining of foundation models? Standard pretraining optimizes a fixed proxy objective (e.g., next-token prediction), which can misallocate compute away…

机器学习 · 计算机科学 2026-01-30 Shuqi Ke , Giulia Fanti

We propose Unicoder-VL, a universal encoder that aims to learn joint representations of vision and language in a pre-training manner. Borrow ideas from cross-lingual pre-trained models, such as XLM and Unicoder, both visual and linguistic…

计算机视觉与模式识别 · 计算机科学 2019-12-04 Gen Li , Nan Duan , Yuejian Fang , Ming Gong , Daxin Jiang , Ming Zhou

Dense retrieval requires high-quality text sequence embeddings to support effective search in the representation space. Autoencoder-based language models are appealing in dense retrieval as they train the encoder to output high-quality…

机器学习 · 计算机科学 2021-09-17 Shuqi Lu , Di He , Chenyan Xiong , Guolin Ke , Waleed Malik , Zhicheng Dou , Paul Bennett , Tieyan Liu , Arnold Overwijk

Recently, medical vision-language pre-training (VLP) has reached substantial progress to learn global visual representation from medical images and their paired radiology reports. However, medical imaging tasks in real world usually require…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Che Liu , Cheng Ouyang , Sibo Cheng , Anand Shah , Wenjia Bai , Rossella Arcucci

In this work, we explore self-supervised visual pre-training on images from diverse, in-the-wild videos for real-world robotic tasks. Like prior work, our visual representations are pre-trained via a masked autoencoder (MAE), frozen, and…

机器人学 · 计算机科学 2022-10-07 Ilija Radosavovic , Tete Xiao , Stephen James , Pieter Abbeel , Jitendra Malik , Trevor Darrell

Handling geometric transformations, particularly rotations, remains a challenge in deep learning for computer vision. Standard neural networks lack inherent rotation invariance and typically rely on data augmentation or architectural…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Cristian Valero-Abundio , Emilio Sansano-Sansano , Raúl Montoliu , Marina Martínez García

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

Both masked image modeling (MIM) and natural language supervision have facilitated the progress of transferable visual pre-training. In this work, we seek the synergy between two paradigms and study the emerging properties when MIM meets…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Shusheng Yang , Yixiao Ge , Kun Yi , Dian Li , Ying Shan , Xiaohu Qie , Xinggang Wang

Existing approaches to vision-language pre-training (VLP) heavily rely on an object detector based on bounding boxes (regions), where salient objects are first detected from images and then a Transformer-based model is used for cross-modal…

多媒体 · 计算机科学 2021-08-24 Ming Yan , Haiyang Xu , Chenliang Li , Bin Bi , Junfeng Tian , Min Gui , Wei Wang