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We propose an efficient pipeline for large-scale landmark image retrieval that addresses the diversity of the dataset through two-stage discriminative re-ranking. Our approach is based on embedding the images in a feature-space using a…

Computer Vision and Pattern Recognition · Computer Science 2020-03-26 Shuhei Yokoo , Kohei Ozaki , Edgar Simo-Serra , Satoshi Iizuka

We propose an attentive local feature descriptor suitable for large-scale image retrieval, referred to as DELF (DEep Local Feature). The new feature is based on convolutional neural networks, which are trained only with image-level…

Computer Vision and Pattern Recognition · Computer Science 2018-02-06 Hyeonwoo Noh , Andre Araujo , Jack Sim , Tobias Weyand , Bohyung Han

This paper presents a novel approach for landmark recognition in images that we've successfully deployed at Mail ru. This method enables us to recognize famous places, buildings, monuments, and other landmarks in user photos. The main…

Computer Vision and Pattern Recognition · Computer Science 2019-08-30 Andrei Boiarov , Eduard Tyantov

With the increasing number of online stores, there is a pressing need for intelligent search systems to understand the item photos snapped by customers and search against large-scale product databases to find their desired items. However,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Yadan Luo , Ziwei Wang , Zi Huang , Yang Yang , Huimin Lu

Logo detection in real-world scene images is an important problem with applications in advertisement and marketing. Existing general-purpose object detection methods require large training data with annotations for every logo class. These…

Computer Vision and Pattern Recognition · Computer Science 2019-07-16 Ayan Kumar Bhunia , Ankan Kumar Bhunia , Shuvozit Ghose , Abhirup Das , Partha Pratim Roy , Umapada Pal

We address the problem of vehicle self-localization from multi-modal sensor information and a reference map. The map is generated off-line by extracting landmarks from the vehicle's field of view, while the measurements are collected…

Robotics · Computer Science 2019-07-22 Nico Engel , Stefan Hoermann , Markus Horn , Vasileios Belagiannis , Klaus Dietmayer

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

Query expansion is a technique widely used in image search consisting in combining highly ranked images from an original query into an expanded query that is then reissued, generally leading to increased recall and precision. An important…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Albert Gordo , Filip Radenovic , Tamara Berg

Facial landmarks are highly correlated with each other since a certain landmark can be estimated by its neighboring landmarks. Most of the existing deep learning methods only use one fully-connected layer called shape prediction layer to…

Computer Vision and Pattern Recognition · Computer Science 2019-04-26 Zhiwen Shao , Hengliang Zhu , Xin Tan , Yangyang Hao , Lizhuang Ma

We propose a novel landmarks-assisted collaborative end-to-end deep framework for automatic 4D FER. Using 4D face scan data, we calculate its various geometrical images, and afterwards use rank pooling to generate their dynamic images…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Muzammil Behzad , Nhat Vo , Xiaobai Li , Guoying Zhao

The task of a visual landmark recognition system is to identify photographed buildings or objects in query photos and to provide the user with relevant information on them. With their increasing coverage of the world's landmark buildings…

Computer Vision and Pattern Recognition · Computer Science 2015-06-12 Tobias Weyand , Bastian Leibe

Large language models (LLMs) have been used to generate query expansions augmenting original queries for improving information search. Recent studies also explore providing LLMs with initial retrieval results to generate query expansions…

Computation and Language · Computer Science 2025-02-07 Yu Xia , Junda Wu , Sungchul Kim , Tong Yu , Ryan A. Rossi , Haoliang Wang , Julian McAuley

In this work, we present a method for landmark retrieval that utilizes global and local features. A Siamese network is used for global feature extraction and metric learning, which gives an initial ranking of the landmark search. We utilize…

Information Retrieval · Computer Science 2022-08-09 Tianyi Hu , Monika Kwiatkowski , Simon Matern , Olaf Hellwich

We propose a structured approach to the problem of retrieval of images by content and present a description logic that has been devised for the semantic indexing and retrieval of images containing complex objects. As other approaches do, we…

Artificial Intelligence · Computer Science 2011-09-08 E. Di Sciascio , F. M. Donini , M. Mongiello

While deep learning-based image reconstruction methods have shown significant success in removing objects from pictures, they have yet to achieve acceptable results for attributing consistency to gender, ethnicity, expression, and other…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Gourango Modak , Shuvra Smaran Das , Md. Ajharul Islam Miraj , Md. Kishor Morol

In current biological and medical research, statistical shape modeling (SSM) provides an essential framework for the characterization of anatomy/morphology. Such analysis is often driven by the identification of a relatively small number of…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Riddhish Bhalodia , Shireen Elhabian , Ladislav Kavan , Ross Whitaker

With the rise of social networks, information on the internet is no longer solely organized by web pages. Rather, content is generated and shared among users and organized around their social relations on social networks. This presents new…

Information Retrieval · Computer Science 2020-05-12 Yunzhong He , Wenyuan Li , Liang-Wei Chen , Gabriel Forgues , Xunlong Gui , Sui Liang , Bo Hou

In this paper, we address the problem of landmark-based visual place recognition. In the state-of-the-art method, accurate object proposal algorithms are first leveraged for generating a set of local regions containing particular landmarks…

Robotics · Computer Science 2018-08-24 Bo Yang , Jun Li , Xiaosu Xu , Hong Zhang

Deep convolutional neural networks have largely benefited computer vision tasks. However, the high computational complexity limits their real-world applications. To this end, many methods have been proposed for efficient network learning,…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Biao Qian , Yang Wang , Zhao Zhang , Richang Hong , Meng Wang , Ling Shao

Many studies have been performed on metric learning, which has become a key ingredient in top-performing methods of instance-level image retrieval. Meanwhile, less attention has been paid to pre-processing and post-processing tricks that…

Computer Vision and Pattern Recognition · Computer Science 2020-04-24 Byungsoo Ko , Minchul Shin , Geonmo Gu , HeeJae Jun , Tae Kwan Lee , Youngjoon Kim
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