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We introduce an efficient decoder of the color code in $d\geq 2$ dimensions, the Restriction Decoder, which uses any $d$-dimensional toric code decoder combined with a local lifting procedure to find a recovery operation. We prove that the…

Quantum Physics · Physics 2023-02-22 Aleksander Kubica , Nicolas Delfosse

Object detection in 3D with stereo cameras is an important problem in computer vision, and is particularly crucial in low-cost autonomous mobile robots without LiDARs. Nowadays, most of the best-performing frameworks for stereo 3D object…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Yuxuan Liu , Lujia Wang , Ming Liu

Protograph-based, off-the-shelf low-density parity-check (LDPC) codes are optimized for higher-order modulation and quantized sum-product decoders. As an example, for the recently proposed LDPC code from the upcoming IEEE 802.3ca standard…

Information Theory · Computer Science 2018-10-02 Fabian Steiner , Gerhard Kramer

Automating the analysis of surveillance video footage is of great interest when urban environments or industrial sites are monitored by a large number of cameras. As anomalies are often context-specific, it is hard to predefine events of…

Computer Vision and Pattern Recognition · Computer Science 2020-11-13 Bo Li , Sam Leroux , Pieter Simoens

Estimating abnormal posture based on 3D pose is vital in human pose analysis, yet it presents challenges, especially when reconstructing 3D human poses from monocular datasets with occlusions. Accurate reconstructions enable the restoration…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Su Li , Wang Liang , Jianye Wang , Ziheng Zhang , Lei Zhang

This paper revisits the ordered statistics decoding (OSD). It provides a comprehensive analysis of the OSD algorithm by characterizing the statistical properties, evolution and the distribution of the Hamming distance and weighted Hamming…

Information Theory · Computer Science 2021-05-10 Chentao Yue , Mahyar Shirvanimoghaddam , Branka Vucetic , Yonghui Li

Absolute distance measurement (ADM) over a long range has been studied intensely over the last several decades, due to its important applications in large-scale manufacturing and outer space explorations [1-5]. Traditional absolute distance…

Instrumentation and Detectors · Physics 2012-10-17 Jinlong Yu , Ju Wang , Wang Miao , Jigui Zhu , Bin Sun , Wenrui Wang , Hao Hu

This paper studies the problem of Line Segment Detection (LSD) for the characterization of line geometry in images, with the aim of learning a domain-agnostic robust LSD model that works well for any natural images. With the focus of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Zeran Ke , Bin Tan , Xianwei Zheng , Yujun Shen , Tianfu Wu , Nan Xue

Practical object pose estimation demands robustness against occlusions to the target object. State-of-the-art (SOTA) object pose estimators take a two-stage approach, where the first stage predicts 2D landmarks using a deep network and the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Bo Chen , Tat-Jun Chin , Marius Klimavicius

When shooting electronic screens, moir\'e patterns usually appear in captured images, which seriously affects the image quality. Existing image demoir\'eing methods face great challenges in removing large and heavy moir\'e. To address the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Yanting Mei , Zhilu Zhang , Xiaohe Wu , Wangmeng Zuo

Visual localization is considered to be one of the crucial parts in many robotic and vision systems. While state-of-the art methods that relies on feature matching have proven to be accurate for visual localization, its requirements for…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Huy-Hoang Bui , Bach-Thuan Bui , Quang-Vinh Tran , Yasuyuki Fujii , Joo-Ho Lee

Amodal perception, the ability to comprehend complete object structures from partial visibility, is a fundamental skill, even for infants. Its significance extends to applications like autonomous driving, where a clear understanding of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Cheng-Yen Hsieh , Kaihua Chen , Achal Dave , Tarasha Khurana , Deva Ramanan

We present an automated vision-based system for defect detection and classification of laser power meter sensor coatings. Our approach addresses the critical challenge of identifying coating defects such as thermal damage and scratches that…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Dongqi Zheng , Wenjin Fu , Guangzong Chen

In this work, we explore the use of objects in Simultaneous Localization and Mapping in unseen worlds and propose an object-aided system (OA-SLAM). More precisely, we show that, compared to low-level points, the major benefit of objects…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Matthieu Zins , Gilles Simon , Marie-Odile Berger

Object detection is critical in autonomous driving, and it is more practical yet challenging to localize objects of unknown categories: an endeavour known as Class-Agnostic Object Detection (CAOD). Existing studies on CAOD predominantly…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Haitian Zhang , Chang Xu , Xinya Wang , Bingde Liu , Guang Hua , Lei Yu , Wen Yang

Omni-directional images have been used in wide range of applications. For the applications, it would be useful to estimate saliency maps representing probability distributions of gazing points with a head-mounted display, to detect…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Takao Yamanaka , Tatsuya Suzuki , Taiki Nobutsune , Chenjunlin Wu

Accurate 6D pose estimation is essential for robotic manipulation in industrial environments. Existing pipelines typically rely on off-the-shelf object detectors followed by cropping and pose refinement, but their performance degrades under…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Jiaqi Hu , Hongli Xu , Junwen Huang , Peter KT Yu , Slobodan Ilic , Benjamin Busam

In this paper, we propose a fast decoder algorithm for uniquely decodable (errorless) code sets for overloaded synchronous optical code-division multiple-access (O-CDMA) systems. The proposed decoder is designed in a such a way that the…

Information Theory · Computer Science 2019-02-27 Michel Kulhandjian , Hovannes Kulhandjian , Claude D'Amours , Halim Yanikomeroglu , Gurgen Khachatrian

Recently, acoustic communication employing Orbital Angular Momentum (OAM) opens another avenue for efficient data transmission in aquatic environments. Current topological charge (TC) detection of OAM beams relies on the orthogonality among…

Applied Physics · Physics 2024-11-01 Liulin Li , Bingyi Liu , Zhongyi Guo

Product quantization-based approaches are effective to encode high-dimensional data points for approximate nearest neighbor search. The space is decomposed into a Cartesian product of low-dimensional subspaces, each of which generates a sub…

Computer Vision and Pattern Recognition · Computer Science 2014-05-19 Jianfeng Wang , Jingdong Wang , Jingkuan Song , Xin-Shun Xu , Heng Tao Shen , Shipeng Li