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In this paper we propose an efficient data-driven solution to self-localization within a floorplan. Floorplan data is readily available, long-term persistent and inherently robust to changes in the visual appearance. Our method does not…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Changan Chen , Rui Wang , Christoph Vogel , Marc Pollefeys

One major goal of vision is to infer physical models of objects, surfaces, and their layout from sensors. In this paper, we aim to interpret indoor scenes from one RGBD image. Our representation encodes the layout of walls, which must…

Computer Vision and Pattern Recognition · Computer Science 2017-08-21 Ruiqi Guo , Chuhang Zou , Derek Hoiem

We improve a phase retrieval approach that uses correlation-based measurements with compactly supported measurement masks [27]. The improved algorithm admits deterministic measurement constructions together with a robust, fast recovery…

Numerical Analysis · Mathematics 2016-12-07 Mark A. Iwen , Brian Preskitt , Rayan Saab , Aditya Viswanathan

Cooperative geolocation has attracted significant research interests in recent years. A large number of localization algorithms rely on the availability of statistical knowledge of measurement errors, which is often difficult to obtain in…

Applications · Statistics 2017-01-05 Xiufang Shi , Guoqiang Mao , Brian. D. O. Anderson , Zaiyue Yang , Jiming Chen

Symmetry is one of the significant visual properties inside an image plane, to identify the geometrically balanced structures through real-world objects. Existing symmetry detection methods rely on descriptors of the local image features…

Computer Vision and Pattern Recognition · Computer Science 2017-07-25 Mohamed Elawady , Christophe Ducottet , Olivier Alata , Cecile Barat , Philippe Colantoni

A multiple classifiers fusion localization technique using received signal strengths (RSSs) of visible light is proposed, in which the proposed system transmits different intensity modulated sinusoidal signals by LEDs and the signals…

Machine Learning · Statistics 2017-12-21 Xiansheng Guo , Sihua Shao , Nirwan Ansari , Abdallah Khreishah

3D Gaussian Splatting showcases notable advancements in photo-realistic and real-time novel view synthesis. However, it faces challenges in modeling mirror reflections, which exhibit substantial appearance variations from different…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Jiayue Liu , Xiao Tang , Freeman Cheng , Roy Yang , Zhihao Li , Jianzhuang Liu , Yi Huang , Jiaqi Lin , Shiyong Liu , Xiaofei Wu , Songcen Xu , Chun Yuan

While fingerprinting localization is favored for its effectiveness, it is hindered by high data acquisition costs and the inaccuracy of static database-based estimates. Addressing these issues, this letter presents an innovative indoor…

Machine Learning · Computer Science 2024-01-12 Jiyu Jiao , Xiaojun Wang , Chenpei Han , Yuhua Huang , Yizhuo Zhang

With the growing integration of location based services (LBS) such as GPS in mobile devices, indoor position systems (IPS) have become an important role for research. There are several IPS methods such as AOA, TOA, TDOA, which use…

Networking and Internet Architecture · Computer Science 2019-07-02 Erick Schmidt , David Akopian

Indoor human positioning has become increasingly important for applications such as health monitoring, breath monitoring, human identification, safety and rescue operations, and security surveillance. However, achieving robust indoor human…

Signal Processing · Electrical Eng. & Systems 2024-03-08 Amala Sonny , Abhinav Kumar , Linga Reddy Cenkeramaddi

Indoor localization is of particular interest due to its immense practical applications. However, the rich multipath and high penetration loss of indoor wireless signal propagation make this task arduous. Though recently studied…

Signal Processing · Electrical Eng. & Systems 2019-08-07 Guojun Xiong , Taejoon Kim , Erik Perrins

We introduce a novel technique and an associated high resolution dataset that aims to precisely evaluate wireless signal based indoor positioning algorithms. The technique implements an augmented reality (AR) based positioning system that…

Machine Learning · Computer Science 2022-09-09 F. Serhan Daniş , A. Teoman Naskali , A. Taylan Cemgil , Cem Ersoy

Feature point matching for camera localization suffers from scalability problems. Even when feature descriptors associated with 3D scene points are locally unique, as coverage grows, similar or repeated features become increasingly common.…

Computer Vision and Pattern Recognition · Computer Science 2017-05-23 Raúl Díaz , Charless C. Fowlkes

Indoor relocalization is vital for both robotic tasks like autonomous exploration and civil applications such as navigation with a cell phone in a shopping mall. Some previous approaches adopt geometrical information such as key-point…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Aryan , Bowen Li , Sebastian Scherer , Yun-Jou Lin , Chen Wang

In this work, we present a wireless localization method that operates on self-supervised and unlabeled channel estimates. Our self-supervising method learns general-purpose channel features robust to fading and system impairments. Learned…

Signal Processing · Electrical Eng. & Systems 2023-02-15 Artan Salihu , Stefan Schwarz , Markus Rupp

The location of broken insulators in aerial images is a challenging task. This paper, focusing on the self-blast glass insulator, proposes a deep learning solution. We address the broken insulators location problem as a low…

Computer Vision and Pattern Recognition · Computer Science 2018-01-17 Zenan Ling , Robert C. Qiu , Zhijian Jin , Yuhang Zhang , Xing He , Haichun Liu , Lei Chu

Indoor self-localization is a highly demanded system function for smartphones. The current solutions based on inertial, radio frequency, and geomagnetic sensing may have degraded performance when their limiting factors take effect. In this…

Robotics · Computer Science 2022-10-18 Wenjie Luo , Qun Song , Zhenyu Yan , Rui Tan , Guosheng Lin

We present a method to estimate lighting from a single image of an indoor scene. Previous work has used an environment map representation that does not account for the localized nature of indoor lighting. Instead, we represent lighting as a…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Marc-André Gardner , Yannick Hold-Geoffroy , Kalyan Sunkavalli , Christian Gagné , Jean-François Lalonde

A main challenge in target localization arises from the lack of reliable distance measures. This issue is especially pronounced in indoor settings due to the presence of walls, floors, furniture, and other dynamically changing conditions…

Signal Processing · Electrical Eng. & Systems 2021-05-07 Mahesh K. Banavar , Shandeepa Wickramasinghe , Monalisa Achalla , Jie Sun

Received Signal Strength (RSS) is considered as a promising measurement for indoor positioning. Lots of RSS-based localization methods have been proposed by its convenience and low cost. This paper focuses on two challenging issues in…

Networking and Internet Architecture · Computer Science 2017-12-14 Wei Li , Zimu Yuan , Wei Zhao