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193 Results Found

  • Article
  • Open Access
8 Citations
4,187 Views
21 Pages

Toward Semi-Supervised Graphical Object Detection in Document Images

  • Goutham Kallempudi,
  • Khurram Azeem Hashmi,
  • Alain Pagani,
  • Marcus Liwicki,
  • Didier Stricker and
  • Muhammad Zeshan Afzal

The graphical page object detection classifies and localizes objects such as Tables and Figures in a document. As deep learning techniques for object detection become increasingly successful, many supervised deep neural network-based methods have bee...

  • Article
  • Open Access
10 Citations
2,610 Views
23 Pages

Rethinking Learnable Proposals for Graphical Object Detection in Scanned Document Images

  • Sankalp Sinha,
  • Khurram Azeem Hashmi,
  • Alain Pagani,
  • Marcus Liwicki,
  • Didier Stricker and
  • Muhammad Zeshan Afzal

20 October 2022

In the age of deep learning, researchers have looked at domain adaptation under the pre-training and fine-tuning paradigm to leverage the gains in the natural image domain. These backbones and subsequent networks are designed for object detection in...

  • Review
  • Open Access
30 Citations
6,351 Views
21 Pages

A Survey of Graphical Page Object Detection with Deep Neural Networks

  • Jwalin Bhatt,
  • Khurram Azeem Azeem Hashmi,
  • Muhammad Zeshan Afzal and
  • Didier Stricker

9 June 2021

In any document, graphical elements like tables, figures, and formulas contain essential information. The processing and interpretation of such information require specialized algorithms. Off-the-shelf OCR components cannot process this information r...

  • Article
  • Open Access
2 Citations
2,285 Views
23 Pages

On Embedding Implementations in Text Ranking and Classification Employing Graphs

  • Nikitas-Rigas Kalogeropoulos,
  • Dimitris Ioannou,
  • Dionysios Stathopoulos and
  • Christos Makris

This paper aims to enhance the Graphical Set-based model (GSB) for ranking and classification tasks by incorporating node and word embeddings. The model integrates a textual graph representation with a set-based model for information retrieval. Initi...

  • Article
  • Open Access
4 Citations
4,547 Views
27 Pages

Methodology for Documentation and Sustainability of Cultural Heritage Landscapes: The Case of the Tajos de Alhama (Granada, Spain)

  • María del Carmen Vílchez-Lara,
  • Jorge Gabriel Molinero-Sánchez and
  • Concepción Rodríguez-Moreno

23 November 2021

This research aims to start the process of the revitalization of peri-urban spaces with high landscape and cultural potential, dotted with a series of heritage landmarks that allude to the recent industrial, economic and cultural history of the regio...

  • Article
  • Open Access
18 Citations
5,597 Views
17 Pages

22 December 2020

Mondújar Castle is an Andalusi fortress located in the Valle de Lecrín (Granada, Spain). It had strategic importance in the final years of the Kingdom of Granada. The king Muley Hacén lived there before passing away, resulting in...

  • Article
  • Open Access
3 Citations
3,829 Views
25 Pages

Heritage Cataloguing in History: Conceptual and Graphical Foundations of Immovable Cultural Heritage Data Bases in the Case of Spain

  • Roberto F. Alonso-Jiménez,
  • Mar Loren-Méndez,
  • Daniel Pinzón-Ayala and
  • Francisco Ollero-Lobato

6 October 2021

Cataloguing constitutes the main instrument for heritage assessment and management around the world, and is central in heritage studies. In the context of the growing international protection of heritage since the 20th century and the irruption and i...

  • Article
  • Open Access
4 Citations
4,446 Views
35 Pages

29 March 2021

This paper illustrates the contribution that on-site survey and graphical documentation offer to the structural comprehension of 20th century architectural and civil engineering heritage and, therefore, to its sustainable conservation. The research h...

  • Article
  • Open Access
14 Citations
4,806 Views
17 Pages

Suitable graphic documentation is essential to ascertain and conserve architectural heritage. For the first time, accurate digital images are provided of a 16th-century wooden ceiling, composed of geometric interlacing patterns, in the Pinelo Palace...

  • Article
  • Open Access
1,154 Views
20 Pages

7 August 2025

Spain is among the European countries with the greatest number of preserved castles and defensive structures—some estimates place the total at around 10,000, the majority of which date back to the medieval period. Yet, surprisingly, many of the...

  • Article
  • Open Access
1 Citations
1,046 Views
26 Pages

21 February 2025

The graphic replication of architectural examples has long been a prevalent pedagogical method, regardless of educational orientation. The critical reactivity of the mid-20th century, reinforced by ethnographic and anthropological tools, positioned v...

  • Article
  • Open Access
3,015 Views
36 Pages

The Lost Golden Room Courtyard Gallery in the Alhambra: Sources, Graphic Analysis and Digital Reconstruction

  • Antonio Gámiz-Gordo,
  • Keelan P. Kaiser,
  • María Núñez-González and
  • Pedro Barrero-Ortega

20 October 2025

The palatial architecture of the Nasrid Alhambra in Granada was organized around courtyards that have been restored or transformed over the centuries. This research analyzes and graphically recreates a wooden gallery that was built in the Patio del C...

  • Article
  • Open Access
3 Citations
2,746 Views
22 Pages

Building information modeling (BIM) is undeniably the most important trend in the digitization of the construction sector in recent years. BIM models currently being built are extremely geometrically rich, that is, they are modeled at a high level of...

  • Article
  • Open Access
8 Citations
394 Views
14 Pages

Multimodal Comprehension of Language and Graphics: Graphs with and Without Annotations

  • Cengiz Acarturk,
  • Christopher Habel,
  • Kursat Cagiltay and
  • Ozge Alacam

26 November 2008

An experimental investigation into interaction between language and information graphics in multimodal documents served as the basis for this study. More specifically, our purpose was to investigate the role of linguistic annotations in graph-text do...

  • Article
  • Open Access
6,970 Views
19 Pages

6 February 2018

At the beginning of the 20th century, the Danish architects Egil Fischer and Vilhelm Lauritzen carried out a rigorous graphic documentary study of one of the most important late-Gothic—Renaissance palaces in the Kingdom of Valencia, the Centelles’ Pa...

  • Article
  • Open Access
14 Citations
5,394 Views
18 Pages

Investigating Attention Mechanism for Page Object Detection in Document Images

  • Shivam Naik,
  • Khurram Azeem Hashmi,
  • Alain Pagani,
  • Marcus Liwicki,
  • Didier Stricker and
  • Muhammad Zeshan Afzal

26 July 2022

Page object detection in scanned document images is a complex task due to varying document layouts and diverse page objects. In the past, traditional methods such as Optical Character Recognition (OCR)-based techniques have been employed to extract t...

  • Feature Paper
  • Article
  • Open Access
15 Citations
4,044 Views
16 Pages

2 October 2020

In this article, we propose a methodology for the archaeological documentation of limestone plaquettes decorated with faint paintings and fine engravings. The plaquette number 16330 is presented, belonging to the portable art collection in Cova del P...

  • Review
  • Open Access
9 Citations
5,225 Views
30 Pages

A Survey: Security Vulnerabilities and Protective Strategies for Graphical Passwords

  • Zena Mohammad Saadi,
  • Ahmed T. Sadiq,
  • Omar Z. Akif and
  • Alaa K. Farhan

As technology advances and develops, the need for strong and simple authentication mechanisms that can help protect data intensifies. The contemporary approach to giving access control is through graphical passwords comprising images, patterns, or gr...

  • Article
  • Open Access
14 Citations
5,323 Views
17 Pages

3D Digital Preservation, Presentation, and Interpretation of Wooden Cultural Heritage on the Example of Sculptures of the FormaViva Kostanjevica Na Krki Collection

  • Andrej Učakar,
  • Ana Sterle,
  • Martina Vuga,
  • Tamara Trček Pečak,
  • Denis Trček,
  • Jure Ahtik,
  • Karin Košak,
  • Deja Muck,
  • Helena Gabrijelčič Tomc and
  • Tanja Nuša Kočevar

24 August 2022

The paper presents an interdisciplinary approach to the treatment of the FormaViva collection of wooden sculptures exhibited outdoors in a natural environment near the Božidar Jakac Art Museum in Kostanjevica na Krki in Slovenia. The study focus...

  • Article
  • Open Access
11 Citations
986 Views
16 Pages

A Core Component-Based Modelling Approach for Achieving e-Business Semantics Interoperability

  • Till Janner,
  • Fenareti Lampathaki,
  • Volker Hoyer,
  • Spiros Mouzakitis,
  • Yannis Charalabidis and
  • Christoph Schroth

The adoption of advanced integration technologies that enable private and public organizations to seamlessly execute their business transactions electronically is still relatively low, especially among governmental bodies and Small and Medium-sized E...

  • Article
  • Open Access
23 Citations
5,202 Views
19 Pages

The Influence of the Circular Economy: Exploring the Knowledge Base

  • Alicia Mas-Tur,
  • Maria Guijarro and
  • Agustín Carrilero

12 August 2019

The objective of this study is to analyze the main factors influencing research on the concept of ‘circular economy’ (CE) by focusing on authors, institutions, and countries and emphasizing the documents that deal both with CE and SMEs. T...

  • Article
  • Open Access
20 Citations
3,988 Views
17 Pages

Analysis of Diagnostic Images of Artworks and Feature Extraction: Design of a Methodology

  • Annamaria Amura,
  • Alessandro Aldini,
  • Stefano Pagnotta,
  • Emanuele Salerno,
  • Anna Tonazzini and
  • Paolo Triolo

Digital images represent the primary tool for diagnostics and documentation of the state of preservation of artifacts. Today the interpretive filters that allow one to characterize information and communicate it are extremely subjective. Our research...

  • Article
  • Open Access
7 Citations
4,226 Views
18 Pages

Using a Process Approach to Pandemic Planning: A Case Study

  • Hana Tomaskova and
  • Erfan Babaee Tirkolaee

30 April 2021

The purpose of this article was to demonstrate the difference between a pandemic plan’s textual prescription and its effective processing using graphical notation. Before creating a case study of the Business Process Model and Notation (BPMN) of the...

  • Article
  • Open Access
6 Citations
4,759 Views
20 Pages

HTTD: A Hierarchical Transformer for Accurate Table Detection in Document Images

  • Mahmoud SalahEldin Kasem,
  • Mohamed Mahmoud,
  • Bilel Yagoub,
  • Mostafa Farouk Senussi,
  • Mahmoud Abdalla and
  • Hyun-Soo Kang

15 January 2025

Table detection in document images is a challenging problem due to diverse layouts, irregular structures, and embedded graphical elements. In this study, we present HTTD (Hierarchical Transformer for Table Detection), a cutting-edge model that combin...

  • Article
  • Open Access
5 Citations
4,877 Views
20 Pages

Recent analysis of area-level COVID-19 cases data attempts to grapple with a challenge familiar to geovisualization: how to capture the development of the virus, whilst supporting analysis across geographic areas? We present several glyphmap designs...

  • Article
  • Open Access
96 Citations
9,459 Views
17 Pages

HBIM Modeling from the Surface Mesh and Its Extended Capability of Knowledge Representation

  • Xiucheng Yang,
  • Yi-Chou Lu,
  • Arnadi Murtiyoso,
  • Mathieu Koehl and
  • Pierre Grussenmeyer

Built heritage has been documented by reality-based modeling for geometric description and by ontology for knowledge management. The current challenge still involves the extraction of geometric primitives and the establishment of their connection to...

  • Article
  • Open Access
2,262 Views
24 Pages

This paper presents the development and structure of a geospatial (work in progress), architectural heritage database designed to document, interpret, and valorize Second World War military fortifications in Sardinia. Currently hosting over 1800 geor...

  • Article
  • Open Access
1 Citations
6,329 Views
42 Pages

27 February 2025

The unified modelling language (UML) is an industrial de facto standard for system modelling. It consists of a set of graphical notations (also known as diagrams) and has been used widely in many industrial applications. Although the graphical nature...

  • Article
  • Open Access
5 Citations
3,378 Views
17 Pages

Preliminary Studies of the Coastal Defenses of Cullera’s Cape Built during the Spanish Civil War: From Historical Study to Formal Analysis

  • Teresa Gil-Piqueras,
  • Pablo Rodríguez-Navarro,
  • Elena Cabrera Revuelta and
  • Enrique Gandía Álvarez

9 October 2022

The Spanish Civil War is a chapter of a historical memory that has been avoided for years, rejecting any lived event. In recent years, this trend is changing, and public administrations are beginning to promote its recovery, starting by declaring thi...

  • Proceeding Paper
  • Open Access
2 Citations
2,970 Views
8 Pages

13 December 2023

In this paper, we compare the development and possibilities for improvement of waste management in three countries: Slovakia, the Czech Republic, and Poland. Waste management is part of the circular economy. The circular economy is the basis for wast...

  • Article
  • Open Access
2 Citations
5,400 Views
17 Pages

It is not possible to achieve the objectives and skills of a program in economics, at the secondary and undergraduate levels, without resorting to graphic illustrations. In this way, the use of educational software has been increasingly recognized as...

  • Article
  • Open Access
24 Citations
6,228 Views
20 Pages

“Transitivity”: A Code for Computing Kinetic and Related Parameters in Chemical Transformations and Transport Phenomena

  • Hugo G. Machado,
  • Flávio O. Sanches-Neto,
  • Nayara D. Coutinho,
  • Kleber C. Mundim,
  • Federico Palazzetti and
  • Valter H. Carvalho-Silva

25 September 2019

The Transitivity function, defined in terms of the reciprocal of the apparent activation energy, measures the propensity for a reaction to proceed and can provide a tool for implementing phenomenological kinetic models. Applications to systems which...

  • Article
  • Open Access
58 Citations
25,587 Views
15 Pages

14 January 2021

This article is an empirical investigation into the visual mobilization strategies by far-right political parties for election campaigns constructing Muslim immigrants as a “threat” to the nation. Drawing on an interdisciplinary theoretical approach...

  • Article
  • Open Access
6 Citations
4,364 Views
27 Pages

Detection of Communities within the Multibody System Dynamics Network and Analysis of Their Relations

  • Daniel García-Vallejo,
  • Alfredo Alcayde,
  • Javier López-Martínez and
  • Francisco G. Montoya

17 December 2019

Multibody system dynamics is already a well developed branch of theoretical, computational and applied mechanics. Thousands of documents can be found in any of the well-known scientific databases. In this work it is demonstrated that multibody system...

  • Article
  • Open Access
6 Citations
8,002 Views
27 Pages

A Deformed Muqarnas Dome at the Sala de los Reyes in the Alhambra: Graphic Analysis of Architectural Heritage

  • Antonio Gámiz-Gordo,
  • Ignacio Ferrer-Pérez-Blanco and
  • Juan Francisco Reinoso-Gordo

27 November 2023

The muqarnas are small pieces grouped together, adopting surprising three-dimensional forms. They are a symbol of identity of the 14th century Nasrid architecture at Alhambra in Granada. This research’s aim is to graphically analyze the plaster...

  • Article
  • Open Access
3 Citations
3,249 Views
17 Pages

Given the grid features of digital images, a direct relation with cellular automata can be established with transition rules based on information of the cells in the grid. This document presents the modeling of an algorithm based on cellular automata...

  • Feature Paper
  • Article
  • Open Access
12 Citations
15,191 Views
19 Pages

Data-Driven Recognition and Extraction of PDF Document Elements

  • Matthias Hansen,
  • André Pomp,
  • Kemal Erki and
  • Tobias Meisen

In the age of digitalization, the collection and analysis of large amounts of data is becoming increasingly important for enterprises to improve their businesses and processes, such as the introduction of new services or the realization of resource-e...

  • Article
  • Open Access
10 Citations
11,442 Views
18 Pages

The Pavilions at the Alhambra’s Court of the Lions: Graphic Analysis of Muqarnas

  • Antonio Gámiz-Gordo,
  • Ignacio Ferrer-Pérez-Blanco and
  • Juan Francisco Reinoso-Gordo

13 August 2020

This research documents and graphically analyzes the pavilions muqarnas at the Court of the Lions in the Alhambra in Granada, a World Heritage Site. In order to cast some light on the understanding and preservation of these 14th century architectural...

  • Article
  • Open Access
3 Citations
3,054 Views
22 Pages

Urban Historiography and Graphic Reconstruction of a Historic Area in Valencia, Spain

  • Concepción López González,
  • Patricio R. Orozco Carpio and
  • Conxeta Romaní López

7 October 2024

The conservation of cultural heritage is a well-established fact recognized by public administrations, the scientific community, and society at large. Understanding this heritage strengthens the historical memory of communities. However, there is a t...

  • Article
  • Open Access
685 Views
22 Pages

7 November 2025

Research in the field of cultural heritage has grown due to the need to preserve cultural assets that serve as witnesses to history and culture. In conservation and restoration, research on traditional papers is extensive, but translucent papers have...

  • Review
  • Open Access
19 Citations
5,110 Views
15 Pages

28 January 2019

This document presents a revised translation to the English language work developed more than 40 years ago by the first author. It further summarizes a common misinterpretation of the method and succinctly describes a graphical procedure to correctly...

  • Article
  • Open Access
7 Citations
3,624 Views
17 Pages

18 October 2019

In this paper, we propose a new estimation procedure for discovering the structure of Gaussian Markov random fields (MRFs) with false discovery rate (FDR) control, making use of the sorted 1 -norm (SL1) regularization. A Gaussian MRF is an a...

  • Article
  • Open Access
6 Citations
4,123 Views
19 Pages

19 January 2024

Shadow removal for document images is an essential task for digitized document applications. Recent shadow removal models have been trained on pairs of shadow images and shadow-free images. However, obtaining a large, diverse dataset for document sha...

  • Article
  • Open Access
31 Citations
7,236 Views
22 Pages

The international journal of neurocomputing (NC) is considered to be one of the most sought out journals in the computer science research fraternity. In this paper, an extensive bibliometric overview of this journal is performed. The bibliometric dat...

  • Article
  • Open Access
3 Citations
7,382 Views
17 Pages

Historically, urban fountains have been underestimated to the point of not being considered worthy of conservation. The foregoing reason, together with the lack of sufficient archaeological data on this type of element in the Renaissance city, makes...

  • Article
  • Open Access
3 Citations
3,422 Views
14 Pages

An electronic method of protection for printed documents based on which latent elements are formed in a printed way has been developed. The development of security features has been done electronically. Protection using latent elements has been impro...

  • Article
  • Open Access
16 Citations
14,768 Views
18 Pages

24 March 2019

Mathematical thinking (MT) has been one of the most important goals for mathematics education as it can support sustainable mathematics learning. Its role in school mathematics has recently been explicitly identified as one of “Four Basics&rdqu...

  • Article
  • Open Access
5 Citations
4,781 Views
30 Pages

15 December 2022

Vital scenarios in the old Jewish quarter of Seville (Spain) in the 16th Century are analyzed. The objectives of this paper are first, to gather up a brief history of the property of some houses of Conversos (Jews who converted to Christianity in the...

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