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Scene Classification has been addressed with numerous techniques in computer vision literature. However, with the increasing number of scene classes in datasets in the field, it has become difficult to achieve high accuracy in the context…

Robotics · Computer Science 2019-08-29 Bao Xin Chen , Raghavender Sahdev , Dekun Wu , Xing Zhao , Manos Papagelis , John K. Tsotsos

Visual localization is a fundamental task for various applications including autonomous driving and robotics. Prior methods focus on extracting large amounts of often redundant locally reliable features, resulting in limited efficiency and…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Fei Xue , Ignas Budvytis , Roberto Cipolla

This paper introduces a visual-based localization method for autonomous vehicles (AVs) that operate in the absence of any complicated hardware system but a single camera. Visual localization refers to techniques that aim to find the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Sara Zahedian , Kaveh Farokhi Sadabadi , Amir Nohekhan

A growing demand for natural-scene text detection has been witnessed by the computer vision community since text information plays a significant role in scene understanding and image indexing. Deep neural networks are being used due to…

Computer Vision and Pattern Recognition · Computer Science 2017-08-18 Fan Jiang , Zhihui Hao , Xinran Liu

We describe a novel approach to image based localisation in urban environments using semantic matching between images and a 2-D map. It contrasts with the vast majority of existing approaches which use image to image database matching. We…

Computer Vision and Pattern Recognition · Computer Science 2018-03-05 Pilailuck Panphattarasap , Andrew Calway

Segmentation-based scene text detection algorithms can handle arbitrary shape scene texts and have strong robustness and adaptability, so it has attracted wide attention. Existing segmentation-based scene text detection algorithms usually…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Jinzhi Zheng , Libo Zhang , Yanjun Wu , Chen Zhao

A vehicle detection plays an important role in the traffic control at signalised intersections. This paper introduces a vision-based algorithm for vehicles presence recognition in detection zones. The algorithm uses linguistic variables to…

Computer Vision and Pattern Recognition · Computer Science 2011-12-20 Bartłomiej Płaczek

Mobile robots in real-life settings would benefit from being able to localize sound sources. Such a capability can nicely complement vision to help localize a person or an interesting event in the environment, and also to provide enhanced…

Robotics · Computer Science 2016-03-01 Jean-Marc Valin , François Michaud , Brahim Hadjou , Jean Rouat

Many localization algorithms and systems have been developed by means of wireless sensor networks for both indoor and outdoor environments. To achieve higher localization accuracy, extra hardware equipments are utilized by most of the…

Networking and Internet Architecture · Computer Science 2016-11-17 Tao Huang , Zhikui Chen , Feng Xia , Cheng Jin , Liang Li

Localization is a key requirement for mobile robot autonomy and human-robot interaction. Vision-based localization is accurate and flexible, however, it incurs a high computational burden which limits its application on many…

Robotics · Computer Science 2016-12-30 Ronald Clark , Sen Wang , Hongkai Wen , Niki Trigoni , Andrew Markham

In this work we present an end-to-end system for text spotting -- localising and recognising text in natural scene images -- and text based image retrieval. This system is based on a region proposal mechanism for detection and deep…

Computer Vision and Pattern Recognition · Computer Science 2014-12-08 Max Jaderberg , Karen Simonyan , Andrea Vedaldi , Andrew Zisserman

We consider the visual feature selection to improve the estimation quality required for the accurate navigation of a robot. We build upon a key property that asserts: contributions of trackable features (landmarks) appear linearly in the…

Robotics · Computer Science 2019-02-05 Hossein K. Mousavi , Nader Motee

In this paper, we propose a novel approach for text detec- tion in natural images. Both local and global cues are taken into account for localizing text lines in a coarse-to-fine pro- cedure. First, a Fully Convolutional Network (FCN) model…

Computer Vision and Pattern Recognition · Computer Science 2016-04-19 Zheng Zhang , Chengquan Zhang , Wei Shen , Cong Yao , Wenyu Liu , Xiang Bai

Visual Place Recognition (VPR) is a crucial capability for long-term autonomous robots, enabling them to identify previously visited locations using visual information. However, existing methods remain limited in indoor settings due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Huaqi Tao , Bingxi Liu , Calvin Chen , Tingjun Huang , He Li , Jinqiang Cui , Hong Zhang

Vision sensors are extensively used for localizing a robot's pose, particularly in environments where global localization tools such as GPS or motion capture systems are unavailable. In many visual navigation systems, localization is…

Robotics · Computer Science 2025-02-04 Dabin Kim , Inkyu Jang , Youngsoo Han , Sunwoo Hwang , H. Jin Kim

In this work, we introduce a novel deep learning-based approach to text-in-image watermarking, a method that embeds and extracts textual information within images to enhance data security and integrity. Leveraging the capabilities of deep…

Multimedia · Computer Science 2024-04-23 Bishwa Karki , Chun-Hua Tsai , Pei-Chi Huang , Xin Zhong

This paper describes a method of estimating the traversability of plant parts covering a path and navigating through them for mobile robots operating in plant-rich environments. Conventional mobile robots rely on scene recognition methods…

Robotics · Computer Science 2022-01-14 Shigemichi Matsuzaki , Hiroaki Masuzawa , Jun Miura

Navigation signs and maps, such as floor plans and street maps, are widely available and serve as ubiquitous aids for way-finding in human environments. Yet, they are rarely used by robot systems. This paper presents SignLoc, a global…

Robotics · Computer Science 2025-09-01 Nicky Zimmerman , Joel Loo , Ayush Agrawal , David Hsu

We discuss the process of building semantic maps, how to interactively label entities in them, and how to use them to enable context-aware navigation behaviors in human environments. We utilize planar surfaces, such as walls and tables, and…

Robotics · Computer Science 2018-08-15 Akansel Cosgun , Henrik Christensen

Safe navigation with simultaneous localization and mapping (SLAM) for autonomous robots is crucial in challenging environments. To achieve this goal, detecting moving objects in the surroundings and building a static map are essential.…

Robotics · Computer Science 2024-08-13 Seoyeon Jang , Minho Oh , Byeongho Yu , I Made Aswin Nahrendra , Seungjae Lee , Hyungtae Lim , Hyun Myung