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We propose a novel approach for automatic extraction (instance segmentation) of fibers from low resolution 3D X-ray computed tomography scans of short glass fiber reinforced polymers. We have designed a 3D instance segmentation architecture…

Computer Vision and Pattern Recognition · Computer Science 2019-01-07 Tomasz Konopczyński , Thorben Kröger , Lei Zheng , Jürgen Hesser

The Web has been chosen as a basic infrastructure to gain the social structure information, through the social network extraction, from all over the world. However, most of the web documents are unstructured and lack of semantics. Moreover,…

Social and Information Networks · Computer Science 2012-11-27 Mahyuddin K. M. Nasution , Shahrul Azman Noah

Automatic data extraction from charts is challenging for two reasons: there exist many relations among objects in a chart, which is not a common consideration in general computer vision problems; and different types of charts may not be…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Xiaoyi Liu , Diego Klabjan , Patrick NBless

Conditional Independence (CI) graphs are a type of probabilistic graphical models that are primarily used to gain insights about feature relationships. Each edge represents the partial correlation between the connected features which gives…

Machine Learning · Computer Science 2024-08-30 Harsh Shrivastava , Urszula Chajewska

This paper presents a challenging computer vision task, namely the detection of generic components on a PCB, and a novel set of deep-learning methods that are able to jointly leverage the appearance of individual components and the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Chia-Wen Kuo , Jacob Ashmore , David Huggins , Zsolt Kira

Most existing methods handle cell instance segmentation problems directly without relying on additional detection boxes. These methods generally fails to separate touching cells due to the lack of global understanding of the objects. In…

Computer Vision and Pattern Recognition · Computer Science 2019-07-29 Jingru Yi , Pengxiang Wu , Qiaoying Huang , Hui Qu , Bo Liu , Daniel J. Hoeppner , Dimitris N. Metaxas

In this paper, we propose a new approach for keypoint-based object detection. Traditional keypoint-based methods consist in classifying individual points and using pose estimation to discard misclassifications. Since a single point carries…

Computer Vision and Pattern Recognition · Computer Science 2009-02-02 Marcelo Hashimoto , Roberto M. Cesar

We present a pipeline for parametric wireframe extraction from densely sampled point clouds. Our approach processes a scalar distance field that represents proximity to the nearest sharp feature curve. In intermediate stages, it detects…

Computer Vision and Pattern Recognition · Computer Science 2022-04-21 Albert Matveev , Alexey Artemov , Denis Zorin , Evgeny Burnaev

Text extraction is an important problem in image processing with applications from optical character recognition to autonomous driving. Most of the traditional text segmentation algorithms consider separating text from a simple background…

Computer Vision and Pattern Recognition · Computer Science 2017-07-12 Shervin Minaee , Yao Wang

The paper presents a new model for single channel images low-level interpretation. The image is decomposed into a graph which captures a complete set of structural features. The description allows to accurately identify every edge location…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Alessandro Dal Palu'

Plagiarism of material from the Internet is a widespread and growing problem. Several methods used to detect the plagiarism and similarity between the source document and suspected documents such as fingerprint based on character or n-gram.…

Other Computer Science · Computer Science 2010-04-27 Ahmed Hamza Osman , Naomie Salim , Mohammed Salem Binwahlan

We consider the problem of sampling from data defined on the nodes of a weighted graph, where the edge weights capture the data correlation structure. As shown recently, using spectral graph theory one can define a cut-off frequency for the…

Information Theory · Computer Science 2014-11-13 Ilan Shomorony , A. Salman Avestimehr

Sketch segmentation involves grouping pixels within a sketch that belong to the same object or instance. It serves as a valuable tool for sketch editing tasks, such as moving, scaling, or removing specific components. While image…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Mia Tang , Yael Vinker , Chuan Yan , Lvmin Zhang , Maneesh Agrawala

Graph refinement, or the task of obtaining subgraphs of interest from over-complete graphs, can have many varied applications. In this work, we extract trees or collection of sub-trees from image data by, first deriving a graph-based…

Computer Vision and Pattern Recognition · Computer Science 2020-06-03 Raghavendra Selvan , Thomas Kipf , Max Welling , Antonio Garcia-Uceda Juarez , Jesper H Pedersen , Jens Petersen , Marleen de Bruijne

Paper maps remain widely used for hiking and sightseeing because they contain curated trails and locally relevant annotations that are often missing from digital navigation applications such as Google Maps. We propose a pipeline to extract…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Bjoern Kremser , Yusuke Matsui

The degree sequence of a graph is a numerical method to characterize the properties of graphs. Generalized forms of degree sequences exist for complete graphs and complete graphs. Nikolopolus et al. characterized the number of spanning…

Combinatorics · Mathematics 2019-06-17 Joshua Steier

Interactive segmentation entails a human marking an image to guide how a model either creates or edits a segmentation. Our work addresses limitations of existing methods: they either only support one gesture type for marking an image (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-07 Josh Myers-Dean , Yifei Fan , Brian Price , Wilson Chan , Danna Gurari

Computer vision with state-of-the-art deep learning models has achieved huge success in the field of Optical Character Recognition (OCR) including text detection and recognition tasks recently. However, Key Information Extraction (KIE) from…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Wenwen Yu , Ning Lu , Xianbiao Qi , Ping Gong , Rong Xiao

For many tracking and surveillance applications, background subtraction provides an effective means of segmenting objects moving in front of a static background. Researchers have traditionally used combinations of morphological operations…

Computer Vision and Pattern Recognition · Computer Science 2014-11-17 Nicholas R. Howe , Alexandra Deschamps

Instance segmentation methods often require costly per-pixel labels. We propose a method that only requires point-level annotations. During training, the model only has access to a single pixel label per object, yet the task is to output…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 Issam H. Laradji , Negar Rostamzadeh , Pedro O. Pinheiro , David Vazquez , Mark Schmidt