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9,254 Results Found

  • Article
  • Open Access
58 Citations
20,614 Views
34 Pages

Digital Comics Image Indexing Based on Deep Learning

  • Nhu-Van Nguyen,
  • Christophe Rigaud and
  • Jean-Christophe Burie

The digital comic book market is growing every year now, mixing digitized and digital-born comics. Digitized comics suffer from a limited automatic content understanding which restricts online content search and reading applications. This study shows...

  • Article
  • Open Access
1,401 Views
35 Pages

30 September 2025

Technological advancements have enabled users to digitize and store an unlimited number of multimedia documents, including images and videos. However, the heterogeneous nature of multimedia content poses significant challenges in efficient indexing a...

  • Article
  • Open Access
6 Citations
3,403 Views
16 Pages

4 October 2019

Image analysis techniques have been applied to measure the displacements, strain field, and crack distribution of structures in the laboratory environment, and present strong potential for use in structural health monitoring applications. Compared wi...

  • Article
  • Open Access
3 Citations
6,090 Views
11 Pages

Multifeature Image Indexing for Robot Localization in Textureless Environments

  • Tran Duc Dung,
  • Delowar Hossain,
  • Shin-ichiro Kaneko and
  • Genci Capi

Robot localization is an important task for mobile robot navigation. There are many methods focused on this issue. Some methods are implemented in indoor and outdoor environments. However, robot localization in textureless environments is still a cha...

  • Article
  • Open Access
22 Citations
9,118 Views
21 Pages

Digitalisation has opened a wealth of new data opportunities by revolutionizing how images are captured. Although the cost of data generation is no longer a major concern, the data management and processing have become a bottleneck. Any successful vi...

  • Article
  • Open Access
3 Citations
3,638 Views
21 Pages

Hash Indexing-Based Image Matching for 3D Reconstruction

  • Mingwei Cao,
  • Haiyan Jiang and
  • Haifeng Zhao

2 April 2023

Image matching is a basic task in three-dimensional reconstruction, which, in recent years, has attracted extensive attention in academic and industrial circles. However, when dealing with large-scale image datasets, these methods have low accuracy a...

  • Article
  • Open Access
2 Citations
1,298 Views
27 Pages

Skin Lesion Classification in Head and Neck Cancers Using Tissue Index Images Derived from Hyperspectral Imaging

  • Doruntina Hoxha,
  • Aljoša Krt,
  • Jošt Stergar,
  • Tadej Tomanič,
  • Aleš Grošelj,
  • Ivan Štajduhar,
  • Gregor Serša and
  • Matija Milanič

11 May 2025

Background: Skin lesions associated with head and neck carcinomas present a diagnostic challenge. Conventional imaging methods, such as dermoscopy and RGB imaging, often face limitations in providing detailed information about skin lesions and accura...

  • Article
  • Open Access
10 Citations
4,098 Views
22 Pages

Hyperspectral Image Data and Waveband Indexing Methods to Estimate Nutrient Concentration on Lettuce (Lactuca sativa L.) Cultivars

  • Sulaymon Eshkabilov,
  • John Stenger,
  • Elizabeth N. Knutson,
  • Erdem Küçüktopcu,
  • Halis Simsek and
  • Chiwon W. Lee

25 October 2022

Lettuce is an important vegetable in the human diet and is commonly consumed for salad. It is a source of vitamin A, which plays a vital role in human health. Improvements in lettuce production will be needed to ensure a stable and economically avail...

  • Feature Paper
  • Review
  • Open Access
72 Citations
14,530 Views
34 Pages

8 April 2022

An image quality matrix provides a significant principle for objectively observing an image based on an alteration between the original and distorted images. During the past two decades, a novel universal image quality assessment has been developed w...

  • Article
  • Open Access
6 Citations
3,235 Views
17 Pages

Rich Structural Index for Stereoscopic Image Quality Assessment

  • Hua Zhang,
  • Xinwen Hu,
  • Ruoyun Gou,
  • Lingjun Zhang,
  • Bolun Zheng and
  • Zhuonan Shen

10 January 2022

The human visual system (HVS), affected by viewing distance when perceiving the stereo image information, is of great significance to study of stereoscopic image quality assessment. Many methods of stereoscopic image quality assessment do not have co...

  • Article
  • Open Access
43 Citations
8,908 Views
14 Pages

Determining the Entropic Index q of Tsallis Entropy in Images through Redundancy

  • Abdiel Ramírez-Reyes,
  • Alejandro Raúl Hernández-Montoya,
  • Gerardo Herrera-Corral and
  • Ismael Domínguez-Jiménez

15 August 2016

The Boltzmann–Gibbs and Tsallis entropies are essential concepts in statistical physics, which have found multiple applications in many engineering and science areas. In particular, we focus our interest on their applications to image processing thro...

  • Article
  • Open Access
33 Citations
10,889 Views
18 Pages

An Underwater Image Enhancement Algorithm Based on Generative Adversarial Network and Natural Image Quality Evaluation Index

  • Kai Hu,
  • Yanwen Zhang,
  • Chenghang Weng,
  • Pengsheng Wang,
  • Zhiliang Deng and
  • Yunping Liu

When underwater vehicles work, underwater images are often absorbed by light and scattered and diffused by floating objects, which leads to the degradation of underwater images. The generative adversarial network (GAN) is widely used in underwater im...

  • Article
  • Open Access
12 Citations
4,988 Views
12 Pages

Parallel Detection of Refractive Index Changes in a Porous Silicon Microarray Based on Digital Images

  • Chuanxi Li,
  • Zhenhong Jia,
  • Peng Li,
  • Hao Wen,
  • Guodong Lv and
  • Xiaohui Huang

2 April 2017

A new technique for the refractive index change with high-sensitivity measurements was proposed by the digital image of porous silicon (PSi) microarray utilization in this paper. Under the irradiation of a He-Ne laser, the surface images of the PSi a...

  • Article
  • Open Access
6 Citations
5,537 Views
15 Pages

1 November 2023

Blood vessel visualization technology allows nursing staff to transition from traditional palpation or touch to locate the subcutaneous blood vessels to visualized localization by providing a clear visual aid for performing various medical procedures...

  • Article
  • Open Access
1 Citations
2,600 Views
14 Pages

4 December 2023

Plastic greenhouses (PGs) play a vital role in modern agricultural development by providing a controlled environment for the cultivation of food crops. Their widespread adoption has the potential to revolutionize agriculture and impact the local envi...

  • Article
  • Open Access
3 Citations
3,886 Views
19 Pages

DAMNet: A Dual Adjacent Indexing and Multi-Deraining Network for Real-Time Image Deraining

  • Penghui Zhao,
  • Haowen Zheng,
  • Suigu Tang,
  • Zongren Chen and
  • Yangyan Liang

Image deraining is increasingly critical in the domain of computer vision. However, there is a lack of fast deraining algorithms for multiple images without temporal and spatial features. To fill this gap, an efficient image-deraining algorithm based...

  • Article
  • Open Access
11 Citations
4,043 Views
21 Pages

Sensitivity of Multispectral Imager Liquid Water Cloud Microphysical Retrievals to the Index of Refraction

  • Steven Platnick,
  • Kerry Meyer,
  • Nandana Amarasinghe,
  • Galina Wind,
  • Paul A. Hubanks and
  • Robert E. Holz

19 December 2020

A cloud property retrieved from multispectral imagers having spectral channels in the shortwave infrared (SWIR) and/or midwave infrared (MWIR) is the cloud effective particle radius (CER), a radiatively relevant weighting of the cloud particle size d...

  • Article
  • Open Access
39 Citations
11,578 Views
20 Pages

Pavement Crack Detection from Hyperspectral Images Using a Novel Asphalt Crack Index

  • Mohamed Abdellatif,
  • Harriet Peel,
  • Anthony G. Cohn and
  • Raul Fuentes

20 September 2020

Detection of road pavement cracks is important and needed at an early stage to repair the road and extend its lifetime for maintaining city roads. Cracks are hard to detect from images taken with visible spectrum cameras due to noise and ambiguity wi...

  • Article
  • Open Access
5 Citations
3,175 Views
32 Pages

A Fourier Transform-Based Calculation Method of Wilting Index for Soybean Canopy Using Multispectral Image

  • Panpan Shen,
  • Xiaodan Ma,
  • Haiou Guan,
  • Haotian He,
  • Feiyi Wang,
  • Miao Yu and
  • Chen Yang

10 July 2022

The growth process of soybean plants needs a lot of water. The rapid detection of canopy wilting of soybean under drought stress is of great significance for soybean variety breeding, cultivation regulation and fine management. Aiming at the problems...

  • Article
  • Open Access
12 Citations
5,014 Views
16 Pages

Statistical Properties of an Unassisted Image Quality Index for SAR Imagery

  • Luis Gomez,
  • Raydonal Ospina and
  • Alejandro C. Frery

13 February 2019

The M estimator is a recently proposed image-quality index used to evaluate the despeckling operation in SAR (Synthetic Aperture Radar) data. It is used also to rank despeckling filters and to improve their design. As a difference with traditio...

  • Article
  • Open Access
2 Citations
2,947 Views
12 Pages

14 April 2022

Purpose: The aortic time-enhancement curve obtained from dynamic CT myocardial perfusion imaging can be used to derive the cardiac output (CO) index based on the indicator dilution principle. The objective of this study was to investigate the effect...

  • Article
  • Open Access
1 Citations
3,452 Views
16 Pages

18 October 2022

For synthetic infra-red (IR) image generation, a new approach using CycleGAN based on the structural similarity index measure (SSIM) is addressed. In this study, how window sizes and weight parameters of SSIM would affect the synthetic IR image const...

  • Article
  • Open Access
45 Citations
13,660 Views
34 Pages

Mapping the Spectral Soil Quality Index (SSQI) Using Airborne Imaging Spectroscopy

  • Tarin Paz-Kagan,
  • Eli Zaady,
  • Christoph Salbach,
  • Andreas Schmidt,
  • Angela Lausch,
  • Steffen Zacharias,
  • Gila Notesco,
  • Eyal Ben-Dor and
  • Arnon Karnieli

23 November 2015

Soil quality (SQ) assessment has numerous applications for managing sustainable soil function. Airborne imaging spectroscopy (IS) is an advanced tool for studying natural and artificial materials, in general, and soil properties, in particular. The p...

  • Article
  • Open Access
955 Views
10 Pages

Accuracy of Imaging Scoring Indexes in Pediatric Crohn’s Disease Patients

  • Goran Hauser,
  • Goran Palčevski,
  • Barbara Čandrlić,
  • Pero Hrabač and
  • Damir Miletić

Background: Crohn’s disease (CD) is a chronic inflammatory condition that can affect the gastrointestinal tract and cause significant extraintestinal manifestations. Diagnosing and monitoring disease activity, especially in pediatric patients,...

  • Article
  • Open Access
1 Citations
3,402 Views
15 Pages

Improving the Accuracy of Bone-Scintigraphy Imaging Analysis Using the Skeletal Count Index: A Study Based on Human Trial Data

  • Ryosuke Miki,
  • Tatsuya Tsuchitani,
  • Yoshiyuki Takahashi,
  • Kazuhiro Kitajima and
  • Yasuyuki Takahashi

The image quality index for whole-body bone scintigraphy has traditionally relied on the total count (Total-C) with a threshold of ≥1.5 million counts (MC). However, Total-C measurements are susceptible to variability owing to urine retention. Thi...

  • Article
  • Open Access
37 Citations
10,259 Views
22 Pages

20 November 2013

Coral reefs are complex, heterogeneous environments where it is common for the features of interest to be smaller than the spatial dimensions of imaging sensors. While the coverage of live coral at any point in time is a critical environmental manage...

  • Article
  • Open Access
27 Citations
3,838 Views
17 Pages

11 August 2020

As a basic agricultural parameter in the formation, transformation, and consumption of surface water resources, soil moisture has a very important influence on the vegetation growth, agricultural production, and healthy operation of regional ecosyste...

  • Article
  • Open Access
520 Views
20 Pages

7 November 2025

Natural rubber quality assessment traditionally relies on subjective visual inspection, leading to inconsistent grading and processing inefficiencies. This study presents a colorimetric imaging system integrating 48-megapixel image acquisition with a...

  • Article
  • Open Access
30 Citations
5,962 Views
17 Pages

8 January 2017

In contrast to herbaceous canopies and forests, savannas are grassland ecosystems with sparsely distributed individual trees, so the canopy is spatially heterogeneous and open, whereas the woody cover in savannas, e.g., tree cover, adversely affects...

  • Article
  • Open Access
58 Citations
8,466 Views
16 Pages

A Negative Index Metamaterial to Enhance the Performance of Miniaturized UWB Antenna for Microwave Imaging Applications

  • Md. Zulfiker Mahmud,
  • Mohammad Tariqul Islam,
  • Norbahiah Misran,
  • Mandeep Jit Singh and
  • Kamarulzaman Mat

8 November 2017

A new, compact planar wideband negative index metamaterial based on a modified split ring resonator (SRR) is studied to enhance performance of ultrawideband antenna. A compact, metamaterial (MTM)-inspired microstrip antenna is presented for microwave...

  • Proceeding Paper
  • Open Access
2,002 Views
4 Pages

The study looks forward to define a methodology that can improve the quality of the wine produced, through selective crop management, for which a multiple regression analysis was used between satellite images Sentinel 2 and polyphenols and color inde...

  • Article
  • Open Access
34 Citations
5,158 Views
21 Pages

13 May 2020

In recent years, the use of image fusion method has received increasing attention in remote sensing, vegetation cover changes, vegetation indices (VIs) mapping, etc. For making high-resolution and good quality (with low-cost) VI mapping from a fused...

  • Article
  • Open Access
557 Views
17 Pages

Tumor Imaging Heterogeneity Index-Inspired Insights into the Unveiling Tumor Microenvironment of Breast Cancer

  • Qingpei Lai,
  • Xinzhi Teng,
  • Jiang Zhang,
  • Xinyu Zhang,
  • Yufeng Jiang,
  • Yao Pu,
  • Peixin Yu,
  • Wen Li,
  • Tian Li and
  • Ge Ren
  • + 1 author

30 November 2025

This study addresses the limited mechanistic understanding behind medical imaging for tumor microenvironment (TME) assessment. We developed a novel framework that analyzes tumor imaging heterogeneity index (TIHI)-correlated genes to uncover underlyin...

  • Article
  • Open Access
104 Citations
12,664 Views
16 Pages

A Miniaturized Antenna with Negative Index Metamaterial Based on Modified SRR and CLS Unit Cell for UWB Microwave Imaging Applications

  • Md. Moinul Islam,
  • Mohammad Tariqul Islam,
  • Md. Samsuzzaman,
  • Mohammad Rashed Iqbal Faruque,
  • Norbahiah Misran and
  • Mohd Fais Mansor

23 January 2015

A miniaturized antenna employing a negative index metamaterial with modified split-ring resonator (SRR) and capacitance-loaded strip (CLS) unit cells is presented for Ultra wideband (UWB) microwave imaging applications. Four left-handed (LH) metamate...

  • Article
  • Open Access
52 Citations
9,338 Views
43 Pages

19 September 2019

Due to the importance of coastline detection in coastal studies, different methods have been developed in recent decades in accordance with the evolution of measuring techniques such as remote sensing. This work proposes an automatic methodology with...

  • Article
  • Open Access
1,358 Views
19 Pages

Evaluating Forest Canopy Structures and Leaf Area Index Using a Five-Band Depth Image Sensor

  • Geilebagan,
  • Takafumi Tanaka,
  • Takashi Gomi,
  • Ayumi Kotani,
  • Genya Nakaoki,
  • Xinwei Wang and
  • Shodai Inokoshi

8 August 2025

The objective of the study was to develop and validate a ground-based method using a depth image sensor equipped with depth, visible red, green, blue (RGB), and near-infrared bands to measure the leaf area index (LAI) based on the relative illuminanc...

  • Article
  • Open Access
2 Citations
5,063 Views
18 Pages

Feasibility of Observing Glymphatic System Activity During Sleep Using Diffusion Tensor Imaging Analysis Along the Perivascular Space (DTI-ALPS) Index

  • Chang-Soo Yun,
  • Chul-Ho Sohn,
  • Jehyeong Yeon,
  • Kun-Jin Chung,
  • Byong-Ji Min,
  • Chang-Ho Yun and
  • Bong Soo Han

Background/Objectives: The glymphatic system plays a crucial role in clearing brain metabolic waste, and its dysfunction has been correlated to various neurological disorders. The Diffusion Tensor Imaging Analysis Along the Perivascular Space (DTI-AL...

  • Article
  • Open Access
4 Citations
3,109 Views
15 Pages

12 March 2021

The structural index is an important quantitative parameter for revealing the structural properties of loess. However, there is no a widely accepted measurement method for structural index at present. This study aims at presenting a novel method for...

  • Article
  • Open Access
5 Citations
2,950 Views
32 Pages

Enhancing Vessel Segment Extraction in Retinal Fundus Images Using Retinal Image Analysis and Six Sigma Process Capability Index

  • Sufian A. Badawi,
  • Maen Takruri,
  • Isam ElBadawi,
  • Imran Ali Chaudhry,
  • Nasr Ullah Mahar,
  • Ajay Kamath Nileshwar and
  • Emad Mosalam

19 July 2023

Retinal vessel segmentation, skeletonization, and the generation of vessel segments are considered significant steps in any automated system for measuring the vessel biomarkers of several disease diagnoses. Most of the current tortuosity quantificati...

  • Article
  • Open Access
3 Citations
2,843 Views
14 Pages

Body Image and Body Mass Index Influence on Psychophysical Well-Being in Bariatric Patients: A Cross-Sectional Study

  • Virginia Campedelli,
  • Chiara Ciacchella,
  • Giorgio Veneziani,
  • Irene Meniconzi,
  • Emanuela Paone,
  • Gianfranco Silecchia and
  • Carlo Lai

28 September 2022

Background: Psychophysical factors may have an impact on the disease of obesity, and it is important to explore which aspects may play an important role on the well-being of obese patients undergoing bariatric surgery. The purpose of this study was t...

  • Article
  • Open Access
12 Citations
3,720 Views
19 Pages

28 February 2022

In hyperspectral remote sensing, the clustering technique is an important issue of concern. Affinity propagation is a widely used clustering algorithm. However, the complex structure of the hyperspectral image (HSI) dataset presents challenge for the...

  • Article
  • Open Access
63 Citations
22,438 Views
21 Pages

26 February 2015

The growth and yield of crops in the arid and semi-arid regions of the world is driven by the amount of soil moisture available to the crop through rainfall and irrigation. Various methods have been developed for quantifying the soil moisture status...

  • Article
  • Open Access
744 Views
12 Pages

Associations Between Body Image Satisfaction, Body Mass Index, Quality of Life, and Screen Time in Portuguese Students

  • Jéssica Silva,
  • Joana Serpa,
  • Vanessa Santos,
  • Fernando Vieira,
  • Nuno Casanova,
  • Renata Willig,
  • Fábio Flôres and
  • Priscila Marconcin

30 October 2025

Background: This study examined the relationship between screen time, body image satisfaction, body mass index (BMI), and quality of life among children and adolescents from two school clusters in Sesimbra, Portugal. Methods: The sample included 80 s...

  • Article
  • Open Access
14 Citations
4,852 Views
27 Pages

A Proposal for Automatic Coastline Extraction from Landsat 8 OLI Images Combining Modified Optimum Index Factor (MOIF) and K-Means

  • Francesco Giuseppe Figliomeni,
  • Francesca Guastaferro,
  • Claudio Parente and
  • Andrea Vallario

19 June 2023

The coastal environment is a natural and economic resource of extraordinary value, but it is constantly modifying and susceptible to climate change, human activities and natural hazards. Remote sensing techniques have proved to be excellent for coast...

  • Article
  • Open Access
13 Citations
4,438 Views
15 Pages

Improved Image Analysis for Measuring Gastric Ulcer Index in Animal Models and Clinical Diagnostic Data

  • Chi-Yeol Yoo,
  • Hyeong-U Son,
  • Sung-kook Kim,
  • Si-Oh Kim and
  • Sang-Han Lee

Gastric ulcers are one of the most common gastrointestinal diseases. In this study, as an attempt to reduce the minimal error in clinical observations during the diagnosis of gastric ulcers, the applicability of improved ImageJ analysis (IA) was inve...

  • Article
  • Open Access
16 Citations
7,470 Views
17 Pages

Automated Pavement Condition Index Assessment with Deep Learning and Image Analysis: An End-to-End Approach

  • Eldor Ibragimov,
  • Yongsoo Kim,
  • Jung Hee Lee,
  • Junsang Cho and
  • Jong-Jae Lee

6 April 2024

The degradation of road pavements due to environmental factors is a pressing issue in infrastructure maintenance, necessitating precise identification of pavement distresses. The pavement condition index (PCI) serves as a critical metric for evaluati...

  • Article
  • Open Access
107 Citations
16,330 Views
11 Pages

Body Mass Index Perception, Body Image Dissatisfaction and Their Relations with Weight-Related Behaviors among University Students

  • Hadia Radwan,
  • Hayder A. Hasan,
  • Haneen Ismat,
  • Hala Hakim,
  • Hiba Khalid,
  • Leen Al-Fityani,
  • Rawand Mohammed and
  • Alzahraa Ayman

The prevalence of obesity is increasing globally and is linked with poor body image perception. The aim of the present study was to identify the relationships of body image (BI) and body mass index (BMI) with weight control practices among university...

  • Article
  • Open Access
7 Citations
2,919 Views
17 Pages

Tropical Forests Classification Based on Weighted Separation Index from Multi-Temporal Sentinel-2 Images in Hainan Island

  • Qi Zhu,
  • Huadong Guo,
  • Lu Zhang,
  • Dong Liang,
  • Xvting Liu,
  • Xiangxing Wan and
  • Jinlong Liu

2 December 2021

Tropical forests play a vital role in biodiversity conservation and the maintenance of sustainability. Although different time-series spatial resolution satellite images have provided opportunities for tropical forests classification, the complexity...

  • Article
  • Open Access
4 Citations
2,533 Views
11 Pages

Body Mass Index Is Independently Associated with the Presence of Ischemia in Myocardial Perfusion Imaging

  • Chrissa Sioka,
  • Paraskevi Zotou,
  • Michail I. Papafaklis,
  • Aris Bechlioulis,
  • Konstantinos Sakellariou,
  • Aidonis Rammos,
  • Evangelia Gkika,
  • Lampros Lakkas,
  • Sotiria Alexiou and
  • Christos Katsouras
  • + 2 authors

25 July 2022

Background and Objectives: Obesity has been linked to various cardiovascular risk factors, increased incidence of coronary artery disease, and myocardial perfusion defects. The aim of this study was to investigate if body mass index (BMI) and waist c...

  • Article
  • Open Access
10 Citations
5,330 Views
17 Pages

Research on Green View Index of Urban Roads Based on Street View Image Recognition: A Case Study of Changsha Downtown Areas

  • Yixing Chen,
  • Qilin Zhang,
  • Zhang Deng,
  • Xinran Fan,
  • Zimu Xu,
  • Xudong Kang,
  • Kailing Pan and
  • Zihao Guo

1 December 2022

In this paper, we took the urban roads in the Changsha downtown areas as an example to identify the green view index (GVI) of urban roads based on street view images (SVIs). First, the road network information was obtained through OpenStreetMap, and...

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