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Self-supervised learning has become a popular approach in recent years for its ability to learn meaningful representations without the need for data annotation. This paper proposes a novel image augmentation technique, overlaying images,…

计算机视觉与模式识别 · 计算机科学 2023-01-25 Yinheng Li , Han Ding , Shaofei Wang

Recent advances in deep learning have achieved promising performance for medical image analysis, while in most cases ground-truth annotations from human experts are necessary to train the deep model. In practice, such annotations are…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Jianbo Jiao , Richard Droste , Lior Drukker , Aris T. Papageorghiou , J. Alison Noble

Pretraining on large labeled datasets is a prerequisite to achieve good performance in many computer vision tasks like 2D object recognition, video classification etc. However, pretraining is not widely used for 3D recognition tasks where…

计算机视觉与模式识别 · 计算机科学 2021-01-08 Zaiwei Zhang , Rohit Girdhar , Armand Joulin , Ishan Misra

State-of-the-art 3D object detectors are often trained on massive labeled datasets. However, annotating 3D bounding boxes remains prohibitively expensive and time-consuming, particularly for LiDAR. Instead, recent works demonstrate that…

计算机视觉与模式识别 · 计算机科学 2024-10-16 Mehar Khurana , Neehar Peri , James Hays , Deva Ramanan

In recent years, discriminative self-supervised methods have made significant strides in advancing various visual tasks. The central idea of learning a data encoder that is robust to data distortions/augmentations is straightforward yet…

计算机视觉与模式识别 · 计算机科学 2023-08-17 Yuewei Yang , Hai Li , Yiran Chen

Learning meaningful representations is at the heart of many tasks in the field of modern machine learning. Recently, a lot of methods were introduced that allow learning of image representations without supervision. These representations…

Self-supervised learning in computer vision aims to leverage the inherent structure and relationships within data to learn meaningful representations without explicit human annotation, enabling a holistic understanding of visual scenes.…

计算机视觉与模式识别 · 计算机科学 2023-08-14 Prakash Chandra Chhipa , Johan Rodahl Holmgren , Kanjar De , Rajkumar Saini , Marcus Liwicki

Self-supervised monocular depth estimation aims to infer depth information without relying on labeled data. However, the lack of labeled information poses a significant challenge to the model's representation, limiting its ability to…

计算机视觉与模式识别 · 计算机科学 2024-06-14 Guodong Sun , Junjie Liu , Mingxuan Liu , Moyun Liu , Yang Zhang

The supervised learning paradigm is limited by the cost - and sometimes the impracticality - of data collection and labeling in multiple domains. Self-supervised learning, a paradigm which exploits the structure of unlabeled data to create…

Current state-of-the-art methods cast monocular 3D human pose estimation as a learning problem by training neural networks on large data sets of images and corresponding skeleton poses. In contrast, we propose an approach that can exploit…

计算机视觉与模式识别 · 计算机科学 2020-10-14 Simon Jenni , Paolo Favaro

Recently, great progress has been made in 3D deep learning with the emergence of deep neural networks specifically designed for 3D point clouds. These networks are often trained from scratch or from pre-trained models learned purely from…

计算机视觉与模式识别 · 计算机科学 2022-10-31 Bach Tran , Binh-Son Hua , Anh Tuan Tran , Minh Hoai

Unsupervised learning has always been appealing to machine learning researchers and practitioners, allowing them to avoid an expensive and complicated process of labeling the data. However, unsupervised learning of complex data is…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Evgenii Zheltonozhskii , Chaim Baskin , Alex M. Bronstein , Avi Mendelson

This paper introduces a novel method for self-supervised video representation learning via feature prediction. In contrast to the previous methods that focus on future feature prediction, we argue that a supervisory signal arising from…

计算机视觉与模式识别 · 计算机科学 2020-11-13 Nadine Behrmann , Juergen Gall , Mehdi Noroozi

Self-supervised representation learning targets to learn convnet-based image representations from unlabeled data. Inspired by the success of NLP methods in this area, in this work we propose a self-supervised approach based on spatially…

计算机视觉与模式识别 · 计算机科学 2020-02-28 Spyros Gidaris , Andrei Bursuc , Nikos Komodakis , Patrick Pérez , Matthieu Cord

Self-supervised learning has proved to be a powerful approach to learn image representations without the need of large labeled datasets. For underwater robotics, it is of great interest to design computer vision algorithms to improve…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Alan Preciado-Grijalva , Bilal Wehbe , Miguel Bande Firvida , Matias Valdenegro-Toro

As part of human core knowledge, the representation of objects is the building block of mental representation that supports high-level concepts and symbolic reasoning. While humans develop the ability of perceiving objects situated in 3D…

计算机视觉与模式识别 · 计算机科学 2024-03-07 John Day , Tushar Arora , Jirui Liu , Li Erran Li , Ming Bo Cai

Spatial reasoning on multi-view line drawings by state-of-the-art supervised deep networks is recently shown with puzzling low performances on the SPARE3D dataset. Based on the fact that self-supervised learning is helpful when a large…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Siyuan Xiang , Anbang Yang , Yanfei Xue , Yaoqing Yang , Chen Feng

3D object representation learning is a fundamental challenge in computer vision to infer about the 3D world. Recent advances in deep learning have shown their efficiency in 3D object recognition, among which view-based methods have…

计算机视觉与模式识别 · 计算机科学 2021-03-02 Xiang Gao , Wei Hu , Guo-Jun Qi

Self-supervision provides effective representations for downstream tasks without requiring labels. However, existing approaches lag behind fully supervised training and are often not thought beneficial beyond obviating or reducing the need…

机器学习 · 计算机科学 2019-10-30 Dan Hendrycks , Mantas Mazeika , Saurav Kadavath , Dawn Song

In the field of continual learning, models are designed to learn tasks one after the other. While most research has centered on supervised continual learning, there is a growing interest in unsupervised continual learning, which makes use…

机器学习 · 计算机科学 2024-07-18 Daniel Marczak , Sebastian Cygert , Tomasz Trzciński , Bartłomiej Twardowski