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Contrastive learning is commonly used as a method of self-supervised learning with the "anchor" and "positive" being two random augmentations of a given input image, and the "negative" is the set of all other images. However, the…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Rishab Balasubramanian , Kunal Rathore

Most existing weakly supervised localization (WSL) approaches learn detectors by finding positive bounding boxes based on features learned with image-level supervision. However, those features do not contain spatial location related…

计算机视觉与模式识别 · 计算机科学 2017-05-02 Zequn Jie , Yunchao Wei , Xiaojie Jin , Jiashi Feng , Wei Liu

Existing weakly-supervised semantic segmentation methods using image-level annotations typically rely on initial responses to locate object regions. However, such response maps generated by the classification network usually focus on…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Yu-Ting Chang , Qiaosong Wang , Wei-Chih Hung , Robinson Piramuthu , Yi-Hsuan Tsai , Ming-Hsuan Yang

Humans are very good at directing their visual attention toward relevant areas when they search for different types of objects. For instance, when we search for cars, we will look at the streets, not at the top of buildings. The motivation…

计算机视觉与模式识别 · 计算机科学 2020-06-12 Hughes Perreault , Guillaume-Alexandre Bilodeau , Nicolas Saunier , Maguelonne Héritier

We address the problem of learning self-supervised representations from unlabeled image collections. Unlike existing approaches that attempt to learn useful features by maximizing similarity between augmented versions of each input image or…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Omiros Pantazis , Gabriel Brostow , Kate Jones , Oisin Mac Aodha

Self-supervision allows learning meaningful representations of natural images, which usually contain one central object. How well does it transfer to multi-entity scenes? We discuss key aspects of learning structured object-centric…

计算机视觉与模式识别 · 计算机科学 2022-04-15 Federico Baldassarre , Hossein Azizpour

Detection of objects in cluttered indoor environments is one of the key enabling functionalities for service robots. The best performing object detection approaches in computer vision exploit deep Convolutional Neural Networks (CNN) to…

计算机视觉与模式识别 · 计算机科学 2017-09-11 Georgios Georgakis , Arsalan Mousavian , Alexander C. Berg , Jana Kosecka

We propose a self-supervised approach for learning representations of objects from monocular videos and demonstrate it is particularly useful in situated settings such as robotics. The main contributions of this paper are: 1) a…

计算机视觉与模式识别 · 计算机科学 2019-06-12 Sören Pirk , Mohi Khansari , Yunfei Bai , Corey Lynch , Pierre Sermanet

Self-supervised learning (SSL) has revolutionized visual representation learning, but has not achieved the robustness of human vision. A reason for this could be that SSL does not leverage all the data available to humans during learning.…

计算机视觉与模式识别 · 计算机科学 2024-08-09 Arthur Aubret , Céline Teulière , Jochen Triesch

This paper proposes a novel paradigm for the unsupervised learning of object landmark detectors. Contrary to existing methods that build on auxiliary tasks such as image generation or equivariance, we propose a self-training approach where,…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Dimitrios Mallis , Enrique Sanchez , Matt Bell , Georgios Tzimiropoulos

Prior research on self-supervised learning has led to considerable progress on image classification, but often with degraded transfer performance on object detection. The objective of this paper is to advance self-supervised pretrained…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Ceyuan Yang , Zhirong Wu , Bolei Zhou , Stephen Lin

Providing ground truth supervision to train visual models has been a bottleneck over the years, exacerbated by domain shifts which degenerate the performance of such models. This was the case when visual tasks relied on handcrafted features…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Gabriel Villalonga , Antonio M. Lopez

Unsupervised learning poses one of the most difficult challenges in computer vision today. The task has an immense practical value with many applications in artificial intelligence and emerging technologies, as large quantities of unlabeled…

计算机视觉与模式识别 · 计算机科学 2019-05-28 Ioana Croitoru , Simion-Vlad Bogolin , Marius Leordeanu

While supervised object detection and segmentation methods achieve impressive accuracy, they generalize poorly to images whose appearance significantly differs from the data they have been trained on. To address this when annotating data is…

计算机视觉与模式识别 · 计算机科学 2020-11-12 Isinsu Katircioglu , Helge Rhodin , Victor Constantin , Jörg Spörri , Mathieu Salzmann , Pascal Fua

Our work addresses the problem of learning to localize objects in an open-world setting, i.e., given the bounding box information of a limited number of object classes during training, the goal is to localize all objects, belonging to both…

计算机视觉与模式识别 · 计算机科学 2025-04-25 Ashish Singh , Michael J. Jones , Kuan-Chuan Peng , Anoop Cherian , Moitreya Chatterjee , Erik Learned-Miller

We address the problem of localisation of objects as bounding boxes in images with weak labels. This weakly supervised object localisation problem has been tackled in the past using discriminative models where each object class is localised…

计算机视觉与模式识别 · 计算机科学 2017-05-10 Zhiyuan Shi , Timothy M. Hospedales , Tao Xiang

Representation learning approaches typically rely on images of objects captured from a single perspective that are transformed using affine transformations. Additionally, self-supervised learning, a successful paradigm of representation…

计算机视觉与模式识别 · 计算机科学 2022-08-17 Omiros Pantazis , Mathew Salvaris

We address the problem of localisation of objects as bounding boxes in images and videos with weak labels. This weakly supervised object localisation problem has been tackled in the past using discriminative models where each object class…

计算机视觉与模式识别 · 计算机科学 2017-06-20 Zhiyuan Shi , Timothy M. Hospedales , Tao Xiang

Progress in self-supervised learning has brought strong general image representation learning methods. Yet so far, it has mostly focused on image-level learning. In turn, tasks such as unsupervised image segmentation have not benefited from…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Adrian Ziegler , Yuki M. Asano

As a subset of unsupervised representation learning, self-supervised representation learning adopts self-defined signals as supervision and uses the learned representation for downstream tasks, such as object detection and image captioning.…

机器学习 · 计算机科学 2021-03-24 Yao-Hung Hubert Tsai , Yue Wu , Ruslan Salakhutdinov , Louis-Philippe Morency