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Journal of Imaging, Volume 10, Issue 4

April 2024 - 23 articles

Cover Story: Digital cameras only capture a limited range of luminance levels because of sensor constraints. Cameras for high-dynamic-range (HDR) imaging are sometimes unaffordable. Most existing image content has a low dynamic range (LDR) comprising 8-bit imaging. Metals are typical object materials that saturate easily, and the luminance of the reflected light covers an extensive dynamic range. In this paper, we consider a method for reconstructing the original HDR image from a single LDR image suffering from saturation. A deep neural network approach is adopted to map the 8-bit LDR image to an HDR image. We first construct an HDR image database of metallic objects and then propose an LDR-to-HDR mapping method to predict the information that has been lost in saturated areas. View this paper
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Articles (23)

  • Article
  • Open Access
2,820 Views
13 Pages

Development and Implementation of an Innovative Framework for Automated Radiomics Analysis in Neuroimaging

  • Chiara Camastra,
  • Giovanni Pasini,
  • Alessandro Stefano,
  • Giorgio Russo,
  • Basilio Vescio,
  • Fabiano Bini,
  • Franco Marinozzi and
  • Antonio Augimeri

Radiomics represents an innovative approach to medical image analysis, enabling comprehensive quantitative evaluation of radiological images through advanced image processing and Machine or Deep Learning algorithms. This technique uncovers intricate...

  • Article
  • Open Access
4 Citations
3,677 Views
14 Pages

Scanning Micro X-ray Fluorescence and Multispectral Imaging Fusion: A Case Study on Postage Stamps

  • Theofanis Gerodimos,
  • Ioanna Vasiliki Patakiouta,
  • Vassilis M. Papadakis,
  • Dimitrios Exarchos,
  • Anastasios Asvestas,
  • Georgios Kenanakis,
  • Theodore E. Matikas and
  • Dimitrios F. Anagnostopoulos

Scanning micrο X-ray fluorescence (μ-XRF) and multispectral imaging (MSI) were applied to study philately stamps, selected for their small size and intricate structures. The μ-XRF measurements were accomplished using the M6 Jetstream Br...

  • Article
  • Open Access
1 Citations
2,400 Views
15 Pages

Apple cultivar classification is challenging due to the inter-class similarity and high intra-class variations. Human experts do not rely on single-view features but rather study each viewpoint of the apple to identify a cultivar, paying close attent...

  • Review
  • Open Access
20 Citations
6,045 Views
20 Pages

The continuous monitoring of civil infrastructures is crucial for ensuring public safety and extending the lifespan of structures. In recent years, image-processing-based technologies have emerged as powerful tools for the structural health monitorin...

  • Article
  • Open Access
1 Citations
2,407 Views
17 Pages

This study considers a method for reconstructing a high dynamic range (HDR) original image from a single saturated low dynamic range (LDR) image of metallic objects. A deep neural network approach was adopted for the direct mapping of an 8-bit LDR im...

  • Article
  • Open Access
4 Citations
2,039 Views
16 Pages

Decision fusion plays a crucial role in achieving a cohesive and unified outcome by merging diverse perspectives. Within the realm of remote sensing classification, these methodologies become indispensable when synthesizing data from multiple sensors...

  • Article
  • Open Access
1 Citations
2,858 Views
17 Pages

Automated Landmark Annotation for Morphometric Analysis of Distal Femur and Proximal Tibia

  • Jonas Grammens,
  • Annemieke Van Haver,
  • Imelda Lumban-Gaol,
  • Femke Danckaers,
  • Peter Verdonk and
  • Jan Sijbers

Manual anatomical landmarking for morphometric knee bone characterization in orthopedics is highly time-consuming and shows high operator variability. Therefore, automation could be a substantial improvement for diagnostics and personalized treatment...

  • Article
  • Open Access
2,833 Views
12 Pages

Subjective Straylight Index: A Visual Test for Retinal Contrast Assessment as a Function of Veiling Glare

  • Francisco J. Ávila,
  • Pilar Casado,
  • Mª Concepción Marcellán,
  • Laura Remón,
  • Jorge Ares,
  • Mª Victoria Collados and
  • Sofía Otín

Spatial aspects of visual performance are usually evaluated through visual acuity charts and contrast sensitivity (CS) tests. CS tests are generated by vanishing the contrast level of the visual charts. However, the quality of retinal images can be a...

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

Multi-View Gait Analysis by Temporal Geometric Features of Human Body Parts

  • Thanyamon Pattanapisont,
  • Kazunori Kotani,
  • Prarinya Siritanawan,
  • Toshiaki Kondo and
  • Jessada Karnjana

A gait is a walking pattern that can help identify a person. Recently, gait analysis employed a vision-based pose estimation for further feature extraction. This research aims to identify a person by analyzing their walking pattern. Moreover, the aut...

  • Article
  • Open Access
1 Citations
2,128 Views
22 Pages

Testing an intricate plexus of advanced software system architecture is quite challenging due to the absence of test oracle. Metamorphic testing is a popular technique to alleviate the test oracle problem. The effectiveness of metamorphic testing is...

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J. Imaging - ISSN 2313-433X