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LiDAR and camera are two important sensors for 3D object detection in autonomous driving. Despite the increasing popularity of sensor fusion in this field, the robustness against inferior image conditions, e.g., bad illumination and sensor…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Xuyang Bai , Zeyu Hu , Xinge Zhu , Qingqiu Huang , Yilun Chen , Hongbo Fu , Chiew-Lan Tai

Acquiring accurate three-dimensional depth information conventionally requires expensive multibeam LiDAR devices. Recently, researchers have developed a less expensive option by predicting depth information from two-dimensional color…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Peng Yin , Jianing Qian , Yibo Cao , David Held , Howie Choset

MaskedFusion is a framework to estimate the 6D pose of objects using RGB-D data, with an architecture that leverages multiple sub-tasks in a pipeline to achieve accurate 6D poses. 6D pose estimation is an open challenge due to complex world…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Nuno Pereira , Luís A. Alexandre

Image Super-Resolution (SR) provides a promising technique to enhance the image quality of low-resolution optical sensors, facilitating better-performing target detection and autonomous navigation in a wide range of robotics applications.…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Fan Wang , Jiangxin Yang , Yanlong Cao , Yanpeng Cao , Michael Ying Yang

Visual-Spatial Systems has become increasingly essential in concrete crack inspection. However, existing methods often lacks adaptability to diverse scenarios, exhibits limited robustness in image-based approaches, and struggles with curved…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Pengru Deng , Jiapeng Yao , Chun Li , Su Wang , Xinrun Li , Varun Ojha , Xuhui He

Accurate 3D reconstruction from unstructured image collections is a key requirement in applications such as robotics, mapping, and scene understanding. While global Structure from Motion (SfM) techniques rely on full image connectivity and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Muhammad Zeeshan , Umer Zaki , Syed Ahmed Pasha , Zaar Khizar

Underwater object detection (UOD) is vital to diverse marine applications, including oceanographic research, underwater robotics, and marine conservation. However, UOD faces numerous challenges that compromise its performance. Over the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-11 Edwine Nabahirwa , Wei Song , Minghua Zhang , Yi Fang , Zhou Ni

Underwater photography presents significant inherent challenges including reduced contrast, spatial blur, and wavelength-dependent color distortions. These effects can obscure the vibrancy of marine life and awareness photographers in…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Andreas Mentzelopoulos , Keith Ellenbogen

Existing LiDAR-based 3D object detectors typically rely on manually annotated labels for training to achieve good performance. However, obtaining high-quality 3D labels is time-consuming and labor-intensive. To address this issue, recent…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Mingqian Ji , Jian Yang , Shanshan Zhang

We present an image blending pipeline, \textit{IBURD}, that creates realistic synthetic images to assist in the training of deep detectors for use on underwater autonomous vehicles (AUVs) for marine debris detection tasks. Specifically,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Jungseok Hong , Sakshi Singh , Junaed Sattar

Visual analysis and reconstruction of pipeline inner walls remain challenging in industrial inspection scenarios. This paper presents a dedicated reconstruction system for pipeline inner walls via industrial endoscopes, which is built on…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Rui Ma , Yifeng Wang , Ziteng Yang , Jing Guo , Naomi Imali Okanda , Xinghui Li

This paper presents a pilot study introducing a multimodal fusion framework for the detection and analysis of bridge defects, integrating Non-Destructive Evaluation (NDE) techniques with advanced image processing to enable precise…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Ravi Datta Rachuri , Duoduo Liao , Samhita Sarikonda , Datha Vaishnavi Kondur

Steel pipes are widely used in high-risk and high-pressure scenarios such as oil, chemical, natural gas, shale gas, etc. If there is some defect in steel pipes, it will lead to serious adverse consequences. Applying object detection in the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Dingming Yang , Yanrong Cui , Zeyu Yu , Hongqiang Yuan

We propose a three-dimensional (3D) multimodal medical imaging system that combines freehand ultrasound and structured light 3D reconstruction in a single coordinate system without requiring registration. To the best of our knowledge, these…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Jhacson Meza , Sonia H. Contreras-Ortiz , Lenny A. Romero , Andres G. Marrugo

In this paper, we delve into the realm of 4-D light fields (LFs) to enhance underwater imaging plagued by light absorption, scattering, and other challenges. Contrasting with conventional 2-D RGB imaging, 4-D LF imaging excels in capturing…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Yuji Lin , Junhui Hou , Xianqiang Lyu , Qian Zhao , Deyu Meng

Marine scene understanding and segmentation plays a vital role in maritime monitoring and navigation safety. However, prevalent factors like fog and strong reflections in maritime environments cause severe image degradation, significantly…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Weichao Cai , Weiliang Huang , Biao Xue , Chao Huang , Fei Yuan , Bob Zhang

A cost-effective and robust image-processing pipeline is presented for the detection and characterization of exfoliated two-dimensional (2D) material flakes in optical microscope images, designed to facilitate automation in van der Waals…

Mesoscale and Nanoscale Physics · Physics 2025-09-03 Yutao Li , Logan Sherlock , Ryan Benderson , Daniel Ostrom , Huandong Chen , Kazuhiro Fujita , Abhay Pasupathy

LiDAR-based 3D sensors provide point clouds, a canonical 3D representation used in various scene understanding tasks. Modern LiDARs face key challenges in several real-world scenarios, such as long-distance or low-albedo objects, producing…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Bhavya Goyal , Felipe Gutierrez-Barragan , Wei Lin , Andreas Velten , Yin Li , Mohit Gupta

Underwater optical imaging is severely hindered by scattering, but polarization imaging offers the unique dual advantages of descattering and shape-from-polarization (SfP) 3D reconstruction. To exploit these advantages, this paper proposes…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Puyun Wang , Kaimin Yu , Huayang He , Feng Huang , Xianyu Wu , Yating Chen

When taking images against strong light sources, the resulting images often contain heterogeneous flare artifacts. These artifacts can importantly affect image visual quality and downstream computer vision tasks. While collecting real data…

Image and Video Processing · Electrical Eng. & Systems 2023-09-01 Yuyan Zhou , Dong Liang , Songcan Chen , Sheng-Jun Huang , Shuo Yang , Chongyi Li