中文
相关论文

相关论文: TiCo: Transformation Invariance and Covariance Con…

200 篇论文

Self-supervised deep learning has accelerated 2D natural image analysis but remains difficult to translate into 3D MRI, where data are scarce and pre-trained 2D backbones cannot capture volumetric context. We present a…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Liam Chalcroft , Jenny Crinion , Cathy J. Price , John Ashburner

Despite recent progress in reinforcement learning (RL) from raw pixel data, sample inefficiency continues to present a substantial obstacle. Prior works have attempted to address this challenge by creating self-supervised auxiliary tasks,…

机器学习 · 计算机科学 2024-05-27 Ruijie Zheng , Xiyao Wang , Yanchao Sun , Shuang Ma , Jieyu Zhao , Huazhe Xu , Hal Daumé , Furong Huang

In this work, we focus on robust time series representation learning. Our assumption is that real-world time series is noisy and complementary information from different views of the same time series plays an important role while analyzing…

机器学习 · 计算机科学 2023-08-25 Weiqi Zhang , Jianfeng Zhang , Jia Li , Fugee Tsung

As an increasing amount of image and video content will be analyzed by machines, there is demand for a new codec paradigm that is capable of compressing visual input primarily for the purpose of computer vision inference, while secondarily…

图像与视频处理 · 电气工程与系统科学 2023-01-12 Ezgi Ozyilkan , Mateen Ulhaq , Hyomin Choi , Fabien Racape

Unsupervised image complexity representation often suffers from bias in positive sample selection and sensitivity to image content. We propose CLICv2, a contrastive learning framework that enforces content invariance for complexity…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Shipeng Liu , Liang Zhao , Dengfeng Chen

Image-text retrieval is a central problem for understanding the semantic relationship between vision and language, and serves as the basis for various visual and language tasks. Most previous works either simply learn coarse-grained…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Chong Liu , Yuqi Zhang , Hongsong Wang , Weihua Chen , Fan Wang , Yan Huang , Yi-Dong Shen , Liang Wang

Pretrained encoders for mathematical texts have achieved significant improvements on various tasks such as formula classification and information retrieval. Yet they remain limited in representing and capturing student strategies for entire…

计算机与社会 · 计算机科学 2026-04-13 Siddhartha Pradhan , Ethan Prihar , Erin Ottmar

Tokenizing images into compact visual representations is a key step in learning efficient and high-quality image generative models. We present a simple diffusion tokenizer (DiTo) that learns compact visual representations for image…

计算机视觉与模式识别 · 计算机科学 2025-01-31 Yinbo Chen , Rohit Girdhar , Xiaolong Wang , Sai Saketh Rambhatla , Ishan Misra

We present a contrasting learning approach with data augmentation techniques to learn document representations in an unsupervised manner. Inspired by recent contrastive self-supervised learning algorithms used for image and NLP pretraining,…

At the core of self-supervised learning for vision is the idea of learning invariant or equivariant representations with respect to a set of data transformations. This approach, however, introduces strong inductive biases, which can render…

机器学习 · 计算机科学 2024-05-29 Sharut Gupta , Chenyu Wang , Yifei Wang , Tommi Jaakkola , Stefanie Jegelka

Recent advancements in deep learning-based image compression are notable. However, prevalent schemes that employ a serial context-adaptive entropy model to enhance rate-distortion (R-D) performance are markedly slow. Furthermore, the…

应用统计 · 统计学 2024-03-25 Haisheng Fu , Feng Liang , Jie Liang , Zhenman Fang , Guohe Zhang , Jingning Han

Several recent unsupervised learning methods use probabilistic approaches to solve combinatorial optimization (CO) problems based on the assumption of statistically independent solution variables. We demonstrate that this assumption imposes…

机器学习 · 计算机科学 2023-11-27 Sebastian Sanokowski , Wilhelm Berghammer , Sepp Hochreiter , Sebastian Lehner

Learning invariant representations is a critical first step in a number of machine learning tasks. A common approach corresponds to the so-called information bottleneck principle in which an application dependent function of mutual…

机器学习 · 计算机科学 2021-02-17 Aditya Kumar Akash , Vishnu Suresh Lokhande , Sathya N. Ravi , Vikas Singh

Recently, self-supervised representation learning gives further development in multimedia technology. Most existing self-supervised learning methods are applicable to packaged data. However, when it comes to streamed data, they are…

计算机视觉与模式识别 · 计算机科学 2022-11-03 Zhiwei Lin , Yongtao Wang , Hongxiang Lin

Contrastive learning has revolutionized the field of computer vision, learning rich representations from unlabeled data, which generalize well to diverse vision tasks. Consequently, it has become increasingly important to explain these…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Fawaz Sammani , Boris Joukovsky , Nikos Deligiannis

Quantifying and evaluating image complexity can be instrumental in enhancing the performance of various computer vision tasks. Supervised learning can effectively learn image complexity features from well-annotated datasets. However,…

计算机视觉与模式识别 · 计算机科学 2024-08-07 Shipeng Liu , Liang Zhao , Dengfeng Chen , Zhanping Song

A data augmentation module is utilized in contrastive learning to transform the given data example into two views, which is considered essential and irreplaceable. However, the predetermined composition of multiple data augmentations brings…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Junbo Zhang , Kaisheng Ma

While self-supervised representation learning (SSL) has received widespread attention from the community, recent research argue that its performance will suffer a cliff fall when the model size decreases. The current method mainly relies on…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Yuting Gao , Jia-Xin Zhuang , Shaohui Lin , Hao Cheng , Xing Sun , Ke Li , Chunhua Shen

Unsupervised learning methods based on contrastive learning have drawn increasing attention and achieved promising results. Most of them aim to learn representations invariant to instance-level variations, which are provided by different…

计算机视觉与模式识别 · 计算机科学 2020-11-04 Feng Wang , Huaping Liu , Di Guo , Fuchun Sun

Augmentation-based self-supervised learning methods have shown remarkable success in self-supervised visual representation learning, excelling in learning invariant features but often neglecting equivariant ones. This limitation reduces the…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Qin Wang , Kai Krajsek , Hanno Scharr