English
Related papers

Related papers: Unsupervised Text Extraction from G-Maps

200 papers

Over the past decade, automated methods have been developed to detect cracks more efficiently, accurately, and objectively, with the ultimate goal of replacing conventional manual visual inspection techniques. Among these methods, semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Nachuan Ma , Rui Fan , Lihua Xie

This paper presents a new hybrid learning algorithm for unsupervised classification tasks. We combined Fuzzy c-means learning algorithm and a supervised version of Minimerror to develop a hybrid incremental strategy allowing unsupervised…

Machine Learning · Computer Science 2009-05-15 Juan-Manuel Torres-Moreno , Laurent Bougrain , Frdéric Alexandre

Document layout analysis is a known problem to the documents research community and has been vastly explored yielding a multitude of solutions ranging from text mining, and recognition to graph-based representation, visual feature…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Subhajit Maity , Sanket Biswas , Siladittya Manna , Ayan Banerjee , Josep Lladós , Saumik Bhattacharya , Umapada Pal

Can we automatically group images into semantically meaningful clusters when ground-truth annotations are absent? The task of unsupervised image classification remains an important, and open challenge in computer vision. Several recent…

Computer Vision and Pattern Recognition · Computer Science 2020-07-06 Wouter Van Gansbeke , Simon Vandenhende , Stamatios Georgoulis , Marc Proesmans , Luc Van Gool

Semantic segmentation is a crucial step in many Earth observation tasks. Large quantity of pixel-level annotation is required to train deep networks for semantic segmentation. Earth observation techniques are applied to varieties of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Sudipan Saha , Lichao Mou , Muhammad Shahzad , Xiao Xiang Zhu

Keyphrase extraction from a given document is the task of automatically extracting salient phrases that best describe the document. This paper proposes a novel unsupervised graph-based ranking method to extract high-quality phrases from a…

Information Retrieval · Computer Science 2022-01-27 Venktesh V , Mukesh Mohania , Vikram Goyal

In this paper, we propose a novel approach for text detec- tion in natural images. Both local and global cues are taken into account for localizing text lines in a coarse-to-fine pro- cedure. First, a Fully Convolutional Network (FCN) model…

Computer Vision and Pattern Recognition · Computer Science 2016-04-19 Zheng Zhang , Chengquan Zhang , Wei Shen , Cong Yao , Wenyu Liu , Xiang Bai

Recent advances in self-supervised visual representation learning have paved the way for unsupervised methods tackling tasks such as object discovery and instance segmentation. However, discovering objects in an image with no supervision is…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Oriane Siméoni , Chloé Sekkat , Gilles Puy , Antonin Vobecky , Éloi Zablocki , Patrick Pérez

We propose a new approach to learn to segment multiple image objects without manual supervision. The method can extract objects form still images, but uses videos for supervision. While prior works have considered motion for segmentation, a…

Computer Vision and Pattern Recognition · Computer Science 2022-10-24 Laurynas Karazija , Subhabrata Choudhury , Iro Laina , Christian Rupprecht , Andrea Vedaldi

In this paper, we propose a pixel-wise method named TextCohesion for scene text detection, which splits a text instance into five key components: a Text Skeleton and four Directional Pixel Regions. These components are easier to handle than…

Computer Vision and Pattern Recognition · Computer Science 2019-05-01 Weijia Wu , Jici Xing , Hong Zhou

We present a supervised learning approach for automatic extraction of keyphrases from single documents. Our solution uses simple to compute statistical and positional features of candidate phrases and does not rely on any external knowledge…

Information Retrieval · Computer Science 2024-04-12 Sriraghavendra Ramaswamy

We describe an unsupervised method to create pseudo-parallel corpora for machine translation (MT) from unaligned text. We use multilingual BERT to create source and target sentence embeddings for nearest-neighbor search and adapt the model…

Computation and Language · Computer Science 2020-10-16 Phillip Keung , Julian Salazar , Yichao Lu , Noah A. Smith

Unsupervised extractive document summarization aims to select important sentences from a document without using labeled summaries during training. Existing methods are mostly graph-based with sentences as nodes and edge weights measured by…

Computation and Language · Computer Science 2021-12-14 Shusheng Xu , Xingxing Zhang , Yi Wu , Furu Wei , Ming Zhou

We present a method for exploiting weakly annotated images to improve text extraction pipelines. The approach uses an arbitrary end-to-end text recognition system to obtain text region proposals and their, possibly erroneous,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Klára Janoušková , Jiri Matas , Lluis Gomez , Dimosthenis Karatzas

We propose a new fast fully unsupervised method to discover semantic patterns. Our algorithm is able to hierarchically find visual categories and produce a segmentation mask where previous methods fail. Through the modeling of what is a…

Computer Vision and Pattern Recognition · Computer Science 2021-02-25 Francesco Pelosin , Andrea Gasparetto , Andrea Albarelli , Andrea Torsello

Grouping and recognition are important components of visual scene understanding, e.g., for object detection and semantic segmentation. With end-to-end deep learning systems, grouping of image regions usually happens implicitly via top-down…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Jiarui Xu , Shalini De Mello , Sifei Liu , Wonmin Byeon , Thomas Breuel , Jan Kautz , Xiaolong Wang

We present an architecture for information extraction from text that augments an existing parser with a character-level neural network. The network is trained using a measure of consistency of extracted data with existing databases as a…

Computation and Language · Computer Science 2017-01-25 Philipp Meerkamp , Zhengyi Zhou

Fully supervised semantic segmentation learns from dense masks, which requires heavy annotation cost for closed set. In this paper, we use natural language as supervision without any pixel-level annotation for open world segmentation. We…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Yi Li , Huifeng Yao , Hualiang Wang , Xiaomeng Li

Ground segmentation, as the basic task of unmanned intelligent perception, provides an important support for the target detection task. Unstructured road scenes represented by open-pit mines have irregular boundary lines and uneven road…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Zixuan Li , Haiying Lin , Zhangyu Wang , Huazhi Li , Miao Yu , Jie Wang

Keyphrase extraction aims at automatically extracting a list of "important" phrases representing the key concepts in a document. Prior approaches for unsupervised keyphrase extraction resorted to heuristic notions of phrase importance via…

Computation and Language · Computer Science 2023-02-20 Rishabh Joshi , Vidhisha Balachandran , Emily Saldanha , Maria Glenski , Svitlana Volkova , Yulia Tsvetkov
‹ Prev 1 3 4 5 6 7 10 Next ›