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We present an iterative overlap estimation technique to augment existing point cloud registration algorithms that can achieve high performance in difficult real-world situations where large pose displacement and non-overlapping geometry…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Ben Eckart , Kihwan Kim , Jan Kautz

This paper studies the underlying combinatorial structure of a class of object rearrangement problems, which appear frequently in applications. The problems involve multiple, similar-geometry objects placed on a flat, horizontal surface,…

Robotics · Computer Science 2017-06-22 Shuai D. Han , Nicholas M. Stiffler , Athansios Krontiris , Kostas E. Bekris , Jingjin Yu

In this paper, we address the problem of detecting small, dense, and overlapping objects, a major challenge in computer vision. Our focus is on reviewing proposed methods based on deep learning supervised approaches. We provide a detailed…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Oussama Messai , Abbass Zein-Eddine , Abdelouahid Bentamou , Mickael Picq , Nicolas Duquesne , Stéphane Puydarrieux , Yann Gavet

Prohibited item detection in X-ray images is one of the most essential and highly effective methods widely employed in various security inspection scenarios. Considering the significant overlapping phenomenon in X-ray prohibited item…

Computer Vision and Pattern Recognition · Computer Science 2024-03-08 Mingyuan Li , Tong Jia , Hao Wang , Bowen Ma , Shuyang Lin , Da Cai , Dongyue Chen

Surface cracks in infrastructure can lead to severe deterioration and expensive maintenance if not efficiently repaired. Manual repair methods are labor-intensive, time-consuming, and imprecise. While advancements in robotic perception and…

Robotics · Computer Science 2025-08-13 Joshua Genova , Eric Cabrera , Vedhus Hoskere

Efficient automated print defect mapping is valuable to the printing industry since such defects directly influence customer-perceived printer quality and manually mapping them is cost-ineffective. Conventional methods consist of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-29 Augusto C. Valente , Cristina Wada , Deangela Neves , Deangeli Neves , Fábio V. M. Perez , Guilherme A. S. Megeto , Marcos H. Cascone , Otavio Gomes , Qian Lin

Camouflaged object detection (COD) aims to detect/segment camouflaged objects embedded in the environment, which has attracted increasing attention over the past decades. Although several COD methods have been developed, they still suffer…

Computer Vision and Pattern Recognition · Computer Science 2022-12-05 Tao Zhou , Yi Zhou , Chen Gong , Jian Yang , Yu Zhang

Geometric alignment appears in a variety of applications, ranging from domain adaptation, optimal transport, and normalizing flows in machine learning; optical flow and learned augmentation in computer vision and deformable registration…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Steffen Czolbe , Aasa Feragen , Oswin Krause

Additive manufacturing (AM) is an emerging digital manufacturing technology to produce complex and freeform objects through a layer-wise deposition. High deposition rate robotic AM (HDRRAM) processes, such as cold spray additive…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Subash Gautam , Alejandro Vargas-Uscategui , Peter King , Hans Lohr , Alireza Bab-Hadiashar , Ivan Cole , Ehsan Asadi

In recent years, the advancement of AI technologies has accelerated the development of smart factories. In particular, the automatic monitoring of product assembly progress is crucial for improving operational efficiency, minimizing the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Kazuma Miura , Sarthak Pathak , Kazunori Umeda

Convolutional autoencoders have emerged as popular methods for unsupervised defect segmentation on image data. Most commonly, this task is performed by thresholding a pixel-wise reconstruction error based on an $\ell^p$ distance. This…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Paul Bergmann , Sindy Löwe , Michael Fauser , David Sattlegger , Carsten Steger

The paper explores the industrial multimodal Anomaly Detection (AD) task, which exploits point clouds and RGB images to localize anomalies. We introduce a novel light and fast framework that learns to map features from one modality to the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Alex Costanzino , Pierluigi Zama Ramirez , Giuseppe Lisanti , Luigi Di Stefano

Automatic draping of carbon-fiber prepreg plies for the aerospace industry is a promising technique for lowering the manufacturing costs and to this end, a thorough in-process quality control is crucial. In this paper, out-of-plane defects…

Computational Engineering, Finance, and Science · Computer Science 2021-03-10 Christian Krogh , Johnny Jakobsen , Jakob Wilm

The optical scanning gauges mounted on the robots are commonly used in quality inspection, such as verifying the dimensional specification of sheet structures. Coverage path planning (CPP) significantly influences the accuracy and…

Robotics · Computer Science 2022-01-13 Yinhua Liu , Wenzheng Zhao , Hongpeng Liu , Yinan Wang , Xiaowei Yue

This manuscript presents a new framework towards automated digital documentation and progress reporting of mechanical pipes in building construction projects, using smartphones. New methods were proposed to optimize video frame rate to…

Computer Vision and Pattern Recognition · Computer Science 2021-05-03 Reza Maalek , Derek Lichti , Shahrokh Maalek

In this paper, a progress recognition method consider occlusion using deep metric learning is proposed to visualize the product assembly process in a factory. First, the target assembly product is detected from images acquired from a…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Takumi Kitsukawa , Kazuma Miura , Shigeki Yumoto , Sarthak Pathak , Alessandro Moro , Kazunori Umeda

While recent years have witnessed astonishing improvements in visual tracking robustness, the advancements in tracking accuracy have been limited. As the focus has been directed towards the development of powerful classifiers, the problem…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Martin Danelljan , Goutam Bhat , Fahad Shahbaz Khan , Michael Felsberg

Fingerprints have grown to be the most robust and efficient means of biometric identification. Latent fingerprints are commonly found at crime scenes. They are also of the overlapped kind making it harder for identification and thus the…

Computers and Society · Computer Science 2017-10-26 Tejas K , Swathi C , Aravind Kumar D , Rajesh Muthu

Pothole detection is one of the most important tasks for road maintenance. Computer vision approaches are generally based on either 2D road image analysis or 3D road surface modeling. However, these two categories are always used…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Rui Fan , Umar Ozgunalp , Brett Hosking , Ming Liu , Ioannis Pitas

Local feature matching is an essential component in many visual applications. In this work, we propose OAMatcher, a Tranformer-based detector-free method that imitates humans behavior to generate dense and accurate matches. Firstly,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Kun Dai , Tao Xie , Ke Wang , Zhiqiang Jiang , Ruifeng Li , Lijun Zhao