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Person re-identification is to seek a correct match for a person of interest across views among a large number of imposters. It typically involves two procedures of non-linear feature extractions against dramatic appearance changes, and…

Computer Vision and Pattern Recognition · Computer Science 2016-06-07 Lin Wu , Chunhua Shen , Anton van den Hengel

Reusable model design becomes desirable with the rapid expansion of computer vision and machine learning applications. In this paper, we focus on the reusability of pre-trained deep convolutional models. Specifically, different from…

Computer Vision and Pattern Recognition · Computer Science 2017-07-21 Xiu-Shen Wei , Chen-Lin Zhang , Jianxin Wu , Chunhua Shen , Zhi-Hua Zhou

Knowledge Distillation (KD) is a well-known training paradigm in deep neural networks where knowledge acquired by a large teacher model is transferred to a small student. KD has proven to be an effective technique to significantly improve…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Philip de Rijk , Lukas Schneider , Marius Cordts , Dariu M. Gavrila

During the last years, deep learning trackers achieved stimulating results while bringing interesting ideas to solve the tracking problem. This progress is mainly due to the use of learned deep features obtained by training deep…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Ahmed Zgaren , Wassim Bouachir , Riadh Ksantini

Current fine-grained classification approaches often rely on a robust localization of object parts to extract localized feature representations suitable for discrimination. However, part localization is a challenging task due to the large…

Computer Vision and Pattern Recognition · Computer Science 2014-11-17 Marcel Simon , Erik Rodner , Joachim Denzler

Object tracking is challenging as target objects often undergo drastic appearance changes over time. Recently, adaptive correlation filters have been successfully applied to object tracking. However, tracking algorithms relying on highly…

Computer Vision and Pattern Recognition · Computer Science 2018-03-26 Chao Ma , Jia-Bin Huang , Xiaokang Yang , Ming-Hsuan Yang

This paper presents a weakly-supervised approach to object instance segmentation. Starting with known or predicted object bounding boxes, we learn object masks by playing a game of cut-and-paste in an adversarial learning setup. A mask…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Tal Remez , Jonathan Huang , Matthew Brown

Object localization has a vital role in any object detector, and therefore, has been the focus of attention by many researchers. In this article, a special training approach is proposed for a light convolutional neural network (CNN) to…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Faraz Lotfi , Farnoosh Faraji , Hamid D. Taghirad

Learning feature detection has been largely an unexplored area when compared to handcrafted feature detection. Recent learning formulations use the covariant constraint in their loss function to learn covariant detectors. However, just…

Computer Vision and Pattern Recognition · Computer Science 2018-11-04 Nehal Doiphode , Rahul Mitra , Shuaib Ahmed , Arjun Jain

Most change detection models based on vision transformers currently follow a "pretraining then fine-tuning" strategy. This involves initializing the model weights using large scale classification datasets, which can be either natural images…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Yang Zhao , Yuxiang Zhang , Yanni Dong , Bo Du

Current deep visual local feature detectors do not model the spatial uncertainty of detected features, producing suboptimal results in downstream applications. In this work, we propose two post-hoc covariance estimates that can be plugged…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Javier Tirado-Garín , Frederik Warburg , Javier Civera

The high-throughput screening of periodic inorganic solids using machine learning methods requires atomic positions to encode structural and compositional details into appropriate material descriptors. These atomic positions are not…

Materials Science · Physics 2018-12-26 Ankit Jain , Thomas Bligaard

Contrastive self-supervised learning has been successfully used in many domains, such as images, texts, graphs, etc., to learn features without requiring label information. In this paper, we propose a new local contrastive feature learning…

Machine Learning · Computer Science 2022-11-22 Zhabiz Gharibshah , Xingquan Zhu

Due to object detection's close relationship with video analysis and image understanding, it has attracted much research attention in recent years. Traditional object detection methods are built on handcrafted features and shallow trainable…

Computer Vision and Pattern Recognition · Computer Science 2019-04-17 Zhong-Qiu Zhao , Peng Zheng , Shou-tao Xu , Xindong Wu

Given a collection of images, humans are able to discover landmarks by modeling the shared geometric structure across instances. This idea of geometric equivariance has been widely used for the unsupervised discovery of object landmark…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Zezhou Cheng , Jong-Chyi Su , Subhransu Maji

Localizing objects in image collections without supervision can help to avoid expensive annotation campaigns. We propose a simple approach to this problem, that leverages the activation features of a vision transformer pre-trained in a…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Oriane Siméoni , Gilles Puy , Huy V. Vo , Simon Roburin , Spyros Gidaris , Andrei Bursuc , Patrick Pérez , Renaud Marlet , Jean Ponce

With the success of new computational architectures for visual processing, such as convolutional neural networks (CNN) and access to image databases with millions of labeled examples (e.g., ImageNet, Places), the state of the art in…

Computer Vision and Pattern Recognition · Computer Science 2015-04-16 Bolei Zhou , Aditya Khosla , Agata Lapedriza , Aude Oliva , Antonio Torralba

Employing equivariance in neural networks leads to greater parameter efficiency and improved generalization performance through the encoding of domain knowledge in the architecture; however, the majority of existing approaches require an a…

Machine Learning · Computer Science 2023-05-31 Emmanouil Theodosis , Karim Helwani , Demba Ba

We study how representation learning can accelerate reinforcement learning from rich observations, such as images, without relying either on domain knowledge or pixel-reconstruction. Our goal is to learn representations that both provide…

Machine Learning · Computer Science 2021-04-08 Amy Zhang , Rowan McAllister , Roberto Calandra , Yarin Gal , Sergey Levine

Training object class detectors typically requires a large set of images in which objects are annotated by bounding-boxes. However, manually drawing bounding-boxes is very time consuming. We propose a new scheme for training object…

Computer Vision and Pattern Recognition · Computer Science 2017-04-25 Dim P. Papadopoulos , Jasper R. R. Uijlings , Frank Keller , Vittorio Ferrari