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Developing robot perception systems for recognizing objects in the real-world requires computer vision algorithms to be carefully scrutinized with respect to the expected operating domain. This demands large quantities of ground truth data…

Robotics · Computer Science 2019-03-04 Markus Suchi , Timothy Patten , David Fischinger , Markus Vincze

We reported the usage of grating-based X-ray phase-contrast imaging in nondestructive testing of grating imperfections. It was found that electroplating flaws could be easily detected by conventional absorption signal, and in particular, we…

Instrumentation and Detectors · Physics 2018-04-27 Shenghao Wang , Can Zhang

Automatic pavement crack detection is an important task to ensure the functional performances of pavements during their service life. Inspired by deep learning (DL), the encoder-decoder framework is a powerful tool for crack detection.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Chong Li , Zhun Fan , Ying Chen , Huibiao Lin , Laura Moretti , Giuseppe Loprencipe , Weihua Sheng , Kelvin C. P. Wang

This paper presents a CAD-based approach for automated surface defect detection. We leverage the a-priori knowledge embedded in a CAD model and integrate it with point cloud data acquired from commercially available stereo and depth…

Computer Vision and Pattern Recognition · Computer Science 2025-01-31 Matteo Dalle Vedove , Matteo Bonetto , Edoardo Lamon , Luigi Palopoli , Matteo Saveriano , Daniele Fontanelli

High-efficiency point cloud 3D object detection operated on embedded systems is important for many robotics applications including autonomous driving. Most previous works try to solve it using anchor-based detection methods which come with…

Computer Vision and Pattern Recognition · Computer Science 2020-07-01 Runzhou Ge , Zhuangzhuang Ding , Yihan Hu , Yu Wang , Sijia Chen , Li Huang , Yuan Li

Robust and accurate ball detection is a critical component for autonomous humanoid soccer robots, particularly in dynamic and challenging environments such as RoboCup outdoor fields. However, traditional supervised approaches require…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Can Lin , Daniele Affinita , Marco E. P. Zimmatore , Daniele Nardi , Domenico D. Bloisi , Vincenzo Suriani

Conventional algorithms in autonomous exploration face challenges due to their inability to accurately and efficiently identify the spatial distribution of convex regions in the real-time map. These methods often prioritize navigation…

Robotics · Computer Science 2025-03-18 Qiming Wang , Yulong Gao , Yang Wang , Xiongwei Zhao , Yijiao Sun , Xiangyan Kong

The advancement of deep learning in object detection has predominantly focused on megapixel images, leaving a critical gap in the efficient processing of gigapixel images. These super high-resolution images present unique challenges due to…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Wenxi Li , Ruxin Zhang , Haozhe Lin , Yuchen Guo , Chao Ma , Xiaokang Yang

Human falls rarely occur; however, detecting falls is very important from the health and safety perspective. Due to the rarity of falls, it is difficult to employ supervised classification techniques to detect them. Moreover, in these…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Jacob Nogas , Shehroz S. Khan , Alex Mihailidis

We couple a double-channel imaging technique, allowing for the simultaneous acquisition of high-quality and high-resolution intensity and peak emission wavelength profiles [T. Wang and G.L. Lippi, Rev. Sci. Instr. 86, 063111 (2015)], to the…

Optics · Physics 2015-11-13 T. Wang , G. L. Lippi

Automatic defect recognition is one of the research hotspots in steel production, but most of the current methods mainly extract features manually and use machine learning classifiers to recognize defects, which cannot tackle the situation,…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Jingwen Fu , Xiaoyan Zhu , Yingbin Li

Automated X-ray inspection is crucial for efficient and unobtrusive security screening in various public settings. However, challenges such as object occlusion, variations in the physical properties of items, diversity in X-ray scanning…

The Earth observation satellites have been monitoring the earth's surface for a long time, and the images taken by the satellites contain large amounts of valuable data. However, it is extremely hard work to manually analyze such huge data.…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Kazuki Uehara , Hidenori Sakanashi , Hirokazu Nosato , Masahiro Murakawa , Hiroki Miyamoto , Ryosuke Nakamura

We describe an method that measures the unloaded quality factor $Q_0$, the external quality factor $Q_E$, and the cavity detuning $\Delta\omega$ with a recursive least-squares algorithm. It combines a large number of consecutive…

Accelerator Physics · Physics 2024-03-22 Volker Ziemann

Recognition of defects in concrete infrastructure, especially in bridges, is a costly and time consuming crucial first step in the assessment of the structural integrity. Large variation in appearance of the concrete material, changing…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Martin Mundt , Sagnik Majumder , Sreenivas Murali , Panagiotis Panetsos , Visvanathan Ramesh

Deepfake detection refers to detecting artificially generated or edited faces in images or videos, which plays an essential role in visual information security. Despite promising progress in recent years, Deepfake detection remains a…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Chunlei Peng , Huiqing Guo , Decheng Liu , Nannan Wang , Ruimin Hu , Xinbo Gao

Unsupervised localization and segmentation are long-standing robot vision challenges that describe the critical ability for an autonomous robot to learn to decompose images into individual objects without labeled data. These tasks are…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Xinyu Zhang , Abdeslam Boularias

We have developed an inertially sensitive optomechanical laser by combining a Vertical-External-Cavity Surface-Emitting Laser with a monolithic fused silica resonator. By placing the external cavity mirror of the VECSEL onto the…

Applied Physics · Physics 2023-07-19 Hayden Wisniewski , Logan Richardson , Adam Hines , Alexandre Laurain , Felipe Guzman

Artificial Intelligence (AI)-driven defect inspection is pivotal in industrial manufacturing. Yet, many methods, tailored to specific pipelines, grapple with diverse product portfolios and evolving processes. Addressing this, we present the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Jiaqi Tang , Hao Lu , Xiaogang Xu , Ruizheng Wu , Sixing Hu , Tong Zhang , Tsz Wa Cheng , Ming Ge , Ying-Cong Chen , Fugee Tsung

Recent advancements in Artificial intelligence, especially deep learning, has changed many fields irreversibly by introducing state of the art methods for automation. Construction monitoring has not been an exception; as a part of…