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The training of a next-best-view (NBV) planner for visual place recognition (VPR) is a fundamentally important task in autonomous robot navigation, for which a typical approach is the use of visual experiences that are collected in the…

Robotics · Computer Science 2022-07-29 Kanya Kurauchi , Kanji Tanaka , Ryogo Yamamoto , Mitsuki Yoshida

Convolutional neural networks (CNNs) have been recently used for a variety of histology image analysis. However, availability of a large dataset is a major prerequisite for training a CNN which limits its use by the computational pathology…

Computer Vision and Pattern Recognition · Computer Science 2018-03-07 Ruqayya Awan , Navid Alemi Koohbanani , Muhammad Shaban , Anna Lisowska , Nasir Rajpoot

Visual place recognition is particularly challenging when places suffer changes in its appearance. Such changes are indeed common, e.g., due to weather, night/day or seasons. In this paper we leverage on recent research using deep networks,…

Computer Vision and Pattern Recognition · Computer Science 2019-02-26 Jose M. Facil , Daniel Olid , Luis Montesano , Javier Civera

Most image instance retrieval pipelines are based on comparison of vectors known as global image descriptors between a query image and the database images. Due to their success in large scale image classification, representations extracted…

Computer Vision and Pattern Recognition · Computer Science 2016-01-14 Olivier Morère , Antoine Veillard , Jie Lin , Julie Petta , Vijay Chandrasekhar , Tomaso Poggio

Variational autoencoders are powerful algorithms for identifying dominant latent structure in a single dataset. In many applications, however, we are interested in modeling latent structure and variation that are enriched in a target…

Machine Learning · Computer Science 2019-02-14 Abubakar Abid , James Zou

The omnipresence of deep learning architectures such as deep convolutional neural networks (CNN)s is fueled by the synergistic combination of ever-increasing labeled datasets and specialized hardware. Despite the indisputable success, the…

Machine Learning · Statistics 2016-11-29 Meshia Cédric Oveneke , Mitchel Aliosha-Perez , Yong Zhao , Dongmei Jiang , Hichem Sahli

Visual place recognition (VPR) is a robot's ability to determine whether a place was visited before using visual data. While conventional hand-crafted methods for VPR fail under extreme environmental appearance changes, those based on…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Bruno Ferrarini , Michael Milford , Klaus D. McDonald-Maier , Shoaib Ehsan

Vision Transformers (ViTs) outperforms convolutional neural networks (CNNs) in several vision tasks with its global modeling capabilities. However, ViT lacks the inductive bias inherent to convolution making it require a large amount of…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Jiawei Mao , Honggu Zhou , Xuesong Yin , Yuanqi Chang. Binling Nie. Rui Xu

Histopathology images are crucial to the study of complex diseases such as cancer. The histologic characteristics of nuclei play a key role in disease diagnosis, prognosis and analysis. In this work, we propose a sparse Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2017-04-11 Le Hou , Vu Nguyen , Dimitris Samaras , Tahsin M. Kurc , Yi Gao , Tianhao Zhao , Joel H. Saltz

Previous work has shown that feature maps of deep convolutional neural networks (CNNs) can be interpreted as feature representation of a particular image region. Features aggregated from these feature maps have been exploited for image…

Computer Vision and Pattern Recognition · Computer Science 2016-11-08 Jiedong Hao , Jing Dong , Wei Wang , Tieniu Tan

Autoencoders are a class of artificial neural networks which have gained a lot of attention in the recent past. Using the encoder block of an autoencoder the input image can be compressed into a meaningful representation. Then a decoder is…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Sayan Nag

Although the variational autoencoder (VAE) and its conditional extension (CVAE) are capable of state-of-the-art results across multiple domains, their precise behavior is still not fully understood, particularly in the context of data (like…

Machine Learning · Computer Science 2023-06-16 Yijia Zheng , Tong He , Yixuan Qiu , David Wipf

Visual Place Recognition (vPR) plays a crucial role in Unmanned Aerial Vehicle (UAV) navigation, enabling robust localization across diverse environments. Despite significant advancements, aerial vPR faces unique challenges due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Ioannis Tsampikos Papapetros , Ioannis Kansizoglou , Antonios Gasteratos

Image compression has been investigated as a fundamental research topic for many decades. Recently, deep learning has achieved great success in many computer vision tasks, and is gradually being used in image compression. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Zhengxue Cheng , Heming Sun , Masaru Takeuchi , Jiro Katto

In the last few years, Deep Convolutional Neural Networks (D-CNNs) have shown state-of-the-art (SOTA) performance for Visual Place Recognition (VPR), a pivotal component of long-term intelligent robotic vision (vision-aware localization and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-14 Ahmad Khaliq , Shoaib Ehsan , Michael Milford , Klaus McDonald-Maier

Variational Auto-Encoders (VAEs) are capable of learning latent representations for high dimensional data. However, due to the i.i.d. assumption, VAEs only optimize the singleton variational distributions and fail to account for the…

Machine Learning · Computer Science 2020-04-20 Da Tang , Dawen Liang , Tony Jebara , Nicholas Ruozzi

We present a new method for improving the performances of variational autoencoder (VAE). In addition to enforcing the deep feature consistent principle thus ensuring the VAE output and its corresponding input images to have similar deep…

Computer Vision and Pattern Recognition · Computer Science 2019-06-06 Xianxu Hou , Ke Sun , Linlin Shen , Guoping Qiu

Predicting salient regions in natural images requires the detection of objects that are present in a scene. To develop robust representations for this challenging task, high-level visual features at multiple spatial scales must be extracted…

Computer Vision and Pattern Recognition · Computer Science 2024-04-08 Alexander Kroner , Mario Senden , Kurt Driessens , Rainer Goebel

Finding an interpretable non-redundant representation of real-world data is one of the key problems in Machine Learning. Biological neural networks are known to solve this problem quite well in unsupervised manner, yet unsupervised…

Machine Learning · Computer Science 2020-10-13 Denis Kuzminykh , Laida Kushnareva , Timofey Grigoryev , Alexander Zatolokin

The aim of this work is to use Variational Autoencoder (VAE) to learn a representation of an indoor environment that can be used for robot navigation. We use images extracted from a video, in which a camera takes a tour around a house, for…

Robotics · Computer Science 2018-09-18 Kaixin Hu , Peter O'Connor