3Dino: Configuration for a Micro-Photogrammetric Survey - Applying Dino-Lite microscope for the digitalization of a cuneiform tablet

Antinozzi, Sara; Diego, R; Fiorillo, Fausta; Barba, Salvatore

doi:10.52842/conf.ecaade.2021.2.211

Cited by 2 publications

(2 citation statements)

References 12 publications

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“…Table 1 Definitions of the various types of capillary morphologies [12,13,[26][27][28] tortuous, ramified, bushy, and bizarre capillaries are considered "abnormal"…”

Section: Discussionmentioning

confidence: 99%

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Involvement of the systemic microcirculation in pediatric uveitis

Kouwenberg,

Spierings,

de Groot

et al. 2023

Pediatr Rheumatol

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Background Pediatric uveitis is a severe inflammatory ocular condition that can lead to sight-threatening complications and can negatively impact quality of life. The retinal microcirculation is often affected in intermediate uveitis and panuveitis. Here, we examined the extraocular (i.e., systemic) microcirculation in pediatric uveitis cases and healthy controls using nailfold capillaroscopy (NFC). Methods We performed NFC in 119 children with noninfectious uveitis and 25 healthy pediatric controls, and assessed the following parameters: capillary density (number of capillaries/mm), dilated capillaries (apex > 20 µm), avascular area, the presence of microhemorrhages, and capillary morphology. Differences in NFC parameters between cases and controls were calculated using regression analysis after adjusting for age and sex. Results The mean (± SD) age of the patient group was 13.7 (± 3) years, with 56% females; 46%, 18%, and 36% of cases presented as anterior uveitis, intermediate uveitis, and panuveitis, respectively, with an overall mean disease duration of 4.7 (± 4.0) years. Compared to the control group, the pediatric uveitis cases had a significantly higher number of dilated capillaries/mm and a higher prevalence of ramified capillaries. Moreover, compared to the control group the intermediate uveitis cases had a significantly higher number of dilated capillaries, whereas the anterior uveitis cases had a lower capillary density and a higher prevalence of ramified capillaries. Conclusions Children with uveitis without systemic disease can present with changes in systemic microcirculation. These changes vary amongst the subtypes of uveitis.

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“…Table 1 Definitions of the various types of capillary morphologies [12,13,[26][27][28] tortuous, ramified, bushy, and bizarre capillaries are considered "abnormal"…”

Section: Discussionmentioning

confidence: 99%

“…During the analysis, the first and second observers were both blinded with respect to the participants' details. DinoCapture 2.0 software was used to analyze the images [26].…”

Section: Nailfold Capillaroscopic Techniquementioning

confidence: 99%

Involvement of the systemic microcirculation in pediatric uveitis

Kouwenberg,

Spierings,

de Groot

et al. 2023

Pediatr Rheumatol

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Cuneiform Tablets Micro-Surveying in an Optimized Photogrammetric Configuration

2022

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In the current panorama of 3D digital documentation, the survey of tiny artifacts with micrometric details is strongly influenced by two factors: firstly, the still high cost of the instruments and technologies (active sensors) required to achieve the necessary level of accuracy and resolution; secondly, the needed professional skills for the macro-photogrammetric approach. In this context, this research aims to meet the demand for a digital survey and 3D representation of small objects with complex surfaces and sub-millimeter morphological characteristics using a low-cost configuration (passive sensors) for an image-based approach. The experiments concerned cuneiform tablets, which are challenging due to their morphological and geometrical characteristics. The digital replica of these unique artefacts can be helpful for their study and interpretation and many innovative applications: access and sharing, a collaborative interdisciplinary study among several experts, experimentation with machine learning for automatic character recognition, and linguistic studies. The micrometric surveying system described proves to be an efficient and reliable solution for cuneiform tablet digitization and documentation.

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3Dino: Configuration for a Micro-Photogrammetric Survey - Applying Dino-Lite microscope for the digitalization of a cuneiform tablet

Cited by 2 publications

References 12 publications

Involvement of the systemic microcirculation in pediatric uveitis

Involvement of the systemic microcirculation in pediatric uveitis

Cuneiform Tablets Micro-Surveying in an Optimized Photogrammetric Configuration

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