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Related papers: End-to-End Defect Detection in Automated Fiber Pla…

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This paper develops model-based grasp planning algorithms for assembly tasks. It focuses on industrial end-effectors like grippers and suction cups, and plans grasp configurations considering CAD models of target objects. The developed…

Robotics · Computer Science 2019-03-06 Weiwei Wan , Kensuke Harada , Fumio Kanehiro

Most previous image matting methods require a roughly-specificed trimap as input, and estimate fractional alpha values for all pixels that are in the unknown region of the trimap. In this paper, we argue that directly estimating the alpha…

Computer Vision and Pattern Recognition · Computer Science 2019-09-12 Shaofan Cai , Xiaoshuai Zhang , Haoqiang Fan , Haibin Huang , Jiangyu Liu , Jiaming Liu , Jiaying Liu , Jue Wang , Jian Sun

This paper introduces a Bayesian image segmentation algorithm based on finite mixtures. An EM algorithm is developed to estimate parameters of the Gaussian mixtures. The finite mixture is a flexible and powerful probabilistic modeling tool.…

Computer Vision and Pattern Recognition · Computer Science 2012-04-10 Mohamed Ali Mahjoub , karim kalti

Affinity graph-based segmentation methods have become a major trend in computer vision. The performance of these methods relies on the constructed affinity graph, with particular emphasis on the neighborhood topology and pairwise affinities…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Yang Zhang , Moyun Liu , Huiming Zhang , Guodong Sun , Jingwu He

Utilizing Convolutional Neural Networks (CNNs), Recurrent Neural Networks (RNNs), and Generative Adversarial Networks (GANs), our system introduces an innovative approach to defect detection in manufacturing. This technology excels in…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Arti Kumbhar , Amruta Chougule , Priya Lokhande , Saloni Navaghane , Aditi Burud , Saee Nimbalkar

Image segmentation techniques are predominately based on parameter-laden optimization. The objective function typically involves weights for balancing competing image fidelity and segmentation regularization cost terms. Setting these…

Computer Vision and Pattern Recognition · Computer Science 2009-06-24 Josna Rao , Ghassan Hamarneh , Rafeef Abugharbieh

In this paper, we propose an efficient approach for industrial defect detection that is modeled based on anomaly detection using point pattern data. Most recent works use \textit{global features} for feature extraction to summarize image…

Computer Vision and Pattern Recognition · Computer Science 2021-08-30 Ammar Mansoor Kamoona , Amirali Khodadadian Gostar , Alireza Bab-Hadiashar , Reza Hoseinnezhad

The automated assembly of complex products requires a system that can automatically plan a physically feasible sequence of actions for assembling many parts together. In this paper, we present ASAP, a physics-based planning approach for…

Manufacturing industries require efficient and voluminous production of high-quality finished goods. In the context of Industry 4.0, visual anomaly detection poses an optimistic solution for automatically controlled product quality with…

Computer Vision and Pattern Recognition · Computer Science 2023-11-06 Devang Mehta , Noah Klarmann

In industrial product quality assessment, it is essential to determine whether a product is defect-free and further analyze the severity of anomality. To this end, accurate defect segmentation on images of products provides an important…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Dongyun Lin , Yanpeng Cao , Wenbing Zhu , Yiqun Li

We consider the problem of data augmentation, i.e., generating artificial samples to extend a given corpus of training data. Specifically, we propose attributed-guided augmentation (AGA) which learns a mapping that allows to synthesize data…

Computer Vision and Pattern Recognition · Computer Science 2017-08-29 Mandar Dixit , Roland Kwitt , Marc Niethammer , Nuno Vasconcelos

Adaptive optics (AO) system performance is improved using post-processing techniques, such as point spread function (PSF) deconvolution. The PSF estimation involves characterization of the different wavefront (WF) error sources in the AO…

Instrumentation and Methods for Astrophysics · Physics 2018-08-29 Florian Ferreira , Eric Gendron , Gérard Rousset , Damien Gratadour

Adaptive Finite Element Method (adaptivity) is known to be an effective numerical tool for some ill-posed problems. The key advantage of the adaptivity is the image improvement with local mesh refinements. A rigorous proof of this property…

Mathematical Physics · Physics 2012-10-30 Larisa Beilina , Michael V. Klibanov

Topological defects play a key role in the structures and dynamics of liquid crystals (LCs) and other ordered systems. There is a recent interest in studying defects in different biological systems with distinct textures. However, a robust…

Soft Condensed Matter · Physics 2025-01-20 Haijie Ren , Weiqiang Wang , Wentao Tang , Rui Zhang

The increasing generation of data in different areas of life, such as the environment, highlights the need to explore new techniques for processing and exploiting data for useful purposes. In this context, artificial intelligence…

Autonomous part assembly is a challenging yet crucial task in 3D computer vision and robotics. Analogous to buying an IKEA furniture, given a set of 3D parts that can assemble a single shape, an intelligent agent needs to perceive the 3D…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Jialei Huang , Guanqi Zhan , Qingnan Fan , Kaichun Mo , Lin Shao , Baoquan Chen , Leonidas Guibas , Hao Dong

Wire-feed laser additive manufacturing is an emerging fabrication technique capable of highly automated large-scale volume production that can reduce both material waste and overall cost while improving product lead times. Quality assurance…

Materials Science · Physics 2021-08-23 Sen Liu , Craig Brice , Xiaoli Zhang

The multi-scale defect detection for photovoltaic (PV) cell electroluminescence (EL) images is a challenging task, due to the feature vanishing as network deepens. To address this problem, an attention-based top-down and bottom-up…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Binyi Su , Haiyong Chen , Zhong Zhou

Face forgery has attracted increasing attention in recent applications of computer vision. Existing detection techniques using the two-branch framework benefit a lot from a frequency perspective, yet are restricted by their fixed frequency…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Neng Wang , Yang Bai , Kun Yu , Yong Jiang , Shu-tao Xia , Yan Wang

Manufacturers struggle to produce low-cost, robust and complex components at manufacturing lot-size one. Additive processes like Fused Filament Fabrication (FFF) inexpensively produce complex geometries, but defects limit viability in…

Image and Video Processing · Electrical Eng. & Systems 2019-11-14 Joshua E. Siegel , Maria F. Beemer , Steven M. Shepard
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