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We present an unsupervised approach for factorizing object appearance into highlight, shading, and albedo layers, trained by multi-view real images. To do so, we construct a multi-view dataset by collecting numerous customer product photos…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Renjiao Yi , Ping Tan , Stephen Lin

It is hard to create consistent ground truth data for interest points in natural images, since interest points are hard to define clearly and consistently for a human annotator. This makes interest point detectors non-trivial to build. In…

Computer Vision and Pattern Recognition · Computer Science 2019-07-10 Peter Hviid Christiansen , Mikkel Fly Kragh , Yury Brodskiy , Henrik Karstoft

An important challenge for autonomous agents such as robots is to maintain a spatially and temporally consistent model of the world. It must be maintained through occlusions, previously-unseen views, and long time horizons (e.g., loop…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Dominik A. Kloepfer , Dylan Campbell , João F. Henriques

This paper proposes inverse feature learning as a novel supervised feature learning technique that learns a set of high-level features for classification based on an error representation approach. The key contribution of this method is to…

Machine Learning · Computer Science 2020-03-10 Behzad Ghazanfari , Fatemeh Afghah , MohammadTaghi Hajiaghayi

In recent years, policy learning methods using either reinforcement or imitation have made significant progress. However, both techniques still suffer from being computationally expensive and requiring large amounts of training data. This…

Robotics · Computer Science 2022-10-12 Jan Ole von Hartz , Eugenio Chisari , Tim Welschehold , Abhinav Valada

Operating directly from raw high dimensional sensory inputs like images is still a challenge for robotic control. Recently, Reinforcement Learning methods have been proposed to solve specific tasks end-to-end, from pixels to torques.…

Machine Learning · Computer Science 2019-01-07 Carlos Florensa , Jonas Degrave , Nicolas Heess , Jost Tobias Springenberg , Martin Riedmiller

This paper proposes a novel point-cloud-based place recognition system that adopts a deep learning approach for feature extraction. By using a convolutional neural network pre-trained on color images to extract features from a range image…

Computer Vision and Pattern Recognition · Computer Science 2018-10-24 Ting Sun , Ming Liu , Haoyang Ye , Dit-Yan Yeung

This paper introduces an unsupervised framework to extract semantically rich features for video representation. Inspired by how the human visual system groups objects based on motion cues, we propose a deep convolutional neural network that…

Computer Vision and Pattern Recognition · Computer Science 2017-07-18 Xunyu Lin , Victor Campos , Xavier Giro-i-Nieto , Jordi Torres , Cristian Canton Ferrer

Unsupervised landmark learning is the task of learning semantic keypoint-like representations without the use of expensive input keypoint-level annotations. A popular approach is to factorize an image into a pose and appearance data stream,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-28 Aysegul Dundar , Kevin J. Shih , Animesh Garg , Robert Pottorf , Andrew Tao , Bryan Catanzaro

What is the best way to learn a universal face representation? Recent work on Deep Learning in the area of face analysis has focused on supervised learning for specific tasks of interest (e.g. face recognition, facial landmark localization…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Adrian Bulat , Shiyang Cheng , Jing Yang , Andrew Garbett , Enrique Sanchez , Georgios Tzimiropoulos

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…

Computer Vision and Pattern Recognition · Computer Science 2018-04-06 David Novotny , Samuel Albanie , Diane Larlus , Andrea Vedaldi

We address the problem of learning representations from observations of a scene involving an agent and an external object the agent interacts with. To this end, we propose a representation learning framework extracting the location in…

Machine Learning · Computer Science 2023-09-12 Alfredo Reichlin , Giovanni Luca Marchetti , Hang Yin , Anastasiia Varava , Danica Kragic

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…

Computer Vision and Pattern Recognition · Computer Science 2019-05-28 Ioana Croitoru , Simion-Vlad Bogolin , Marius Leordeanu

This work explores the use of spatial context as a source of free and plentiful supervisory signal for training a rich visual representation. Given only a large, unlabeled image collection, we extract random pairs of patches from each image…

Computer Vision and Pattern Recognition · Computer Science 2016-01-19 Carl Doersch , Abhinav Gupta , Alexei A. Efros

Understanding and representing the structure of 3D objects in an unsupervised manner remains a core challenge in computer vision and graphics. Most existing unsupervised keypoint methods are not designed for unconditional generative…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Rhys Newbury , Juyan Zhang , Tin Tran , Hanna Kurniawati , Dana Kulić

Establishing correspondences between 3D shapes is a fundamental task in 3D Computer Vision, typically addressed by matching local descriptors. Recently, a few attempts at applying the deep learning paradigm to the task have shown promising…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Riccardo Spezialetti , Samuele Salti , Luigi Di Stefano

We propose an approach to self-supervised representation learning based on maximizing mutual information between features extracted from multiple views of a shared context. For example, one could produce multiple views of a local…

Machine Learning · Computer Science 2019-07-09 Philip Bachman , R Devon Hjelm , William Buchwalter

Extracting informative representations from videos is fundamental for effectively learning various downstream tasks. We present a novel approach for unsupervised learning of meaningful representations from videos, leveraging the concept of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Ali Younes , Simone Schaub-Meyer , Georgia Chalvatzaki

An effective technique for obtaining high-quality representations is adding a projection head on top of the encoder during training, then discarding it and using the pre-projection representations. Despite its proven practical…

Machine Learning · Computer Science 2024-03-19 Yihao Xue , Eric Gan , Jiayi Ni , Siddharth Joshi , Baharan Mirzasoleiman

A fundamental problem faced by object recognition systems is that objects and their features can appear in different locations, scales and orientations. Current deep learning methods attempt to achieve invariance to local translations via…

Computer Vision and Pattern Recognition · Computer Science 2017-12-12 Dimitrios C. Gklezakos , Rajesh P. N. Rao
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