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Although deep learning are commonly employed for image recognition, usually huge amount of labeled training data is required, which may not always be readily available. This leads to a noticeable performance disparity when compared to…

计算机视觉与模式识别 · 计算机科学 2024-02-08 Enoch Solomon , Abraham Woubie , Eyael Solomon Emiru

Training image-based object detectors presents formidable challenges, as it entails not only the complexities of object detection but also the added intricacies of precisely localizing objects within potentially diverse and noisy…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Chandan Kumar , Jansel Herrera-Gerena , John Just , Matthew Darr , Ali Jannesari

Deep learning methodologies have been employed in several different fields, with an outstanding success in image recognition applications, such as material quality control, medical imaging, autonomous driving, etc. Deep learning models rely…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Saul Calderon-Ramirez , Shengxiang Yang , David Elizondo

Representation learning is the dominant technique for unsupervised domain adaptation, but existing approaches often require the specification of "pivot features" that generalize across domains, which are selected by task-specific…

计算与语言 · 计算机科学 2015-04-17 Yi Yang , Jacob Eisenstein

How can a reinforcement learning (RL) agent prepare to solve downstream tasks if those tasks are not known a priori? One approach is unsupervised skill discovery, a class of algorithms that learn a set of policies without access to a reward…

机器学习 · 计算机科学 2021-10-07 Benjamin Eysenbach , Ruslan Salakhutdinov , Sergey Levine

This paper introduces a new algorithm for unsupervised learning of keypoint detectors and descriptors, which demonstrates fast convergence and good performance across different datasets. The training procedure uses homographic…

计算机视觉与模式识别 · 计算机科学 2020-06-02 Anatoly Belikov , Alexey Potapov

This study aims to optimize the few-shot image classification task and improve the model's feature extraction and classification performance by combining self-supervised learning with the deep network model ResNet-101. During the training…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Yuyang Xiao

Unsupervised meta-learning aims to learn feature representations from unsupervised datasets that can transfer to downstream tasks with limited labeled data. In this paper, we propose a novel approach to unsupervised meta-learning that…

机器学习 · 计算机科学 2025-02-11 Anna Vettoruzzo , Lorenzo Braccaioli , Joaquin Vanschoren , Marlena Nowaczyk

We propose a novel learning-based approach for robust 3D shape matching. Our method builds upon deep functional maps and can be trained in a fully unsupervised manner. Previous deep functional map methods mainly focus on predicting…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Dongliang Cao , Paul Roetzer , Florian Bernard

Large-scale labeled data are generally required to train deep neural networks in order to obtain better performance in visual feature learning from images or videos for computer vision applications. To avoid extensive cost of collecting and…

计算机视觉与模式识别 · 计算机科学 2019-02-19 Longlong Jing , Yingli Tian

Current state-of-the-art classification and detection algorithms rely on supervised training. In this work we study unsupervised feature learning in the context of temporally coherent video data. We focus on feature learning from unlabeled…

计算机视觉与模式识别 · 计算机科学 2015-09-09 Ross Goroshin , Joan Bruna , Jonathan Tompson , David Eigen , Yann LeCun

The advancement of visual tracking has continuously been brought by deep learning models. Typically, supervised learning is employed to train these models with expensive labeled data. In order to reduce the workload of manual annotations…

计算机视觉与模式识别 · 计算机科学 2020-07-24 Ning Wang , Wengang Zhou , Yibing Song , Chao Ma , Wei Liu , Houqiang Li

After four decades of research there still exists a Classification accuracy gap of about 20% between our best Unsupervisedly Learned Representations methods and the accuracy rates achieved by intelligent animals. It thus may well be that we…

机器学习 · 计算机科学 2025-05-30 Daniel N. Nissani

Unsupervised learning has grown in popularity because of the difficulty of collecting annotated data and the development of modern frameworks that allow us to learn from unlabeled data. Existing studies, however, either disregard variations…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Yi-Zhan Xu , Chih-Yao Chen , Cheng-Te Li

Face deepfake detection has seen impressive results recently. Nearly all existing deep learning techniques for face deepfake detection are fully supervised and require labels during training. In this paper, we design a novel deepfake…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Sheldon Fung , Xuequan Lu , Chao Zhang , Chang-Tsun Li

We propose a novel unsupervised object localization method that allows us to explain the predictions of the model by utilizing self-supervised pre-trained models without additional finetuning. Existing unsupervised and self-supervised…

计算机视觉与模式识别 · 计算机科学 2023-09-11 Yeonghwan Song , Seokwoo Jang , Dina Katabi , Jeany Son

Surveillance scenarios are prone to several problems since they usually involve low-resolution footage, and there is no control of how far the subjects may be from the camera in the first place. This situation is suitable for the…

计算机视觉与模式识别 · 计算机科学 2021-01-27 Angelo G. Menezes

Self-supervision can dramatically cut back the amount of manually-labelled data required to train deep neural networks. While self-supervision has usually been considered for tasks such as image classification, in this paper we aim at…

计算机视觉与模式识别 · 计算机科学 2018-04-06 David Novotny , Samuel Albanie , Diane Larlus , Andrea Vedaldi

Pre-training general-purpose visual features with convolutional neural networks without relying on annotations is a challenging and important task. Most recent efforts in unsupervised feature learning have focused on either small or highly…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Mathilde Caron , Piotr Bojanowski , Julien Mairal , Armand Joulin

High-dimensional data is commonly encountered in numerous data analysis tasks. Feature selection techniques aim to identify the most representative features from the original high-dimensional data. Due to the absence of class label…

机器学习 · 计算机科学 2024-10-29 Yunhui Liang , Jianwen Gan , Yan Chen , Peng Zhou , Liang Du