VIPS - a highly tuned image processing software architecture

Martinez, Kirk; Cupitt, John

doi:10.1109/icip.2005.1530120

Cited by 85 publications

(63 citation statements)

References 7 publications

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“…For the eHistology resource, we have re-digitised the sections using the Zeiss DotSlide slide scanner with a ×20 objective to produce images with a pixel resolution of 0.34 µm and in full colour. The images are converted using the VIPs image processing application (Martinez and Cupitt, 2005) to a pyramidal tiff format that are used by the Image Internet Protocol 3D server (IIP3D) (Husz et al, 2012) coupled with a JavaScript user interface developed in-house. The interface will run in most web browsers, although, because of the non-standard behaviour of web browsers, it functions best in Firefox (support.mozilla.org/en-US/products/firefox), which is freely available for all operating systems.…”

Section: The Ehistology Resourcementioning

confidence: 99%

The atlas of mouse development eHistology resource

et al. 2015

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The Atlas of Mouse Development by Professor Mathew Kaufman is an essential text for understanding mouse developmental anatomy. This definitive and authoritative atlas is still in production and is essential for any biologist working with the mouse embryo, although the last revision dates back to 1994. Here, we announce the eHistology online resource that provides free access to high-resolution colour images digitized from the original histological sections (www.emouseatlas.org/emap/eHistology/index.php) used by Kaufman for the Atlas. The images are provided with the original annotations and plate numbering of the paper atlas and enable viewing the material to cellular resolution.

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Section: The Ehistology Resourcementioning

confidence: 99%

The atlas of mouse development eHistology resource

et al. 2015

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“…Para cada unión se necesita calcular al menos un punto común en cada imagen, por lo que es necesario que las imágenes tengan cierto solape. Una vez calculado este punto, se crea una imagen a partir de dos utilizando algoritmos de la librería VIPS [6].…”

Section: B Algoritmo De Formación Del Mosaicounclassified

Acquisition and formation of multispectral images of paintings

Torres¹

2012

Opt. Pura Apl.

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RESUMEN:En este artículo se introduce una nueva aplicación que permite obtener un conjunto de imágenes de calidad multiespectrales de obras pictóricas. Las imágenes se capturan utilizando un conjunto de lentes capaces de difractar la luz en la zona del espectro del infrarrojo cercano. Cada imagen multiespectral se representa por una línea de la obra en un intervalo de longitudes de onda. Así, se ha diseñado un método de establecimiento de distancias en la imagen además de una calibración de enfoque para imágenes lineales. Para obtener la imagen completa, la cámara se mueve verticalmente de forma muy precisa. Las imágenes obtenidas ofrecen una herramienta muy útil para restauradores, analistas de obras de arte e historiadores los cuales pueden disponer de información relativa al proceso de creación de la obra. Además de la descripción del sistema en este artículo se presentan algunos resultados relevantes y las actuales líneas de investigación. Palabras clave: Imágenes Multiespectrales, Formación de Mosaicos, Reflectografía de Infrarrojos,Tratamiento Digital de Imágenes. ABSTRACT:In this paper, a novel application for obtaining a set of multispectral images of paintings is introduced. The images are captured using a multispectral lens able to diffract the light in the near infrared spectrum. Each multispectral image is represented by a line of the painting in an interval of wavelengths. Thus, a method ables to estimate distances in the image and a focus calibration process in linear images have been designed. For obtaining a whole image, the camera is moved vertically in a very precise way. The images obtained offer a very useful tool for restorers and art historians which have information regarding the painting composition process. As well as the system description, a few enlightening results and new lines of investigation are showed.

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“…Post-processing procedures for the standardisation and calibration of the VIS, UVL and VIL images are then carried out using "BM_workspace", a plug-in for Nip2, the open-source graphical user-interface of VIPS, a free image processing software, [26]. For details on how to download BM_workspace and the Nip2 software, as well as descriptions, workflows and data requirements for the post-processing of these images, see the manual on multispectral imaging techniques [14].…”

Section: Ultraviolet-induced Visible Luminescence Imaging (Uvl)mentioning

confidence: 99%

A technical step forward in the integration of visible-induced luminescence imaging methods for the study of ancient polychromy

Dyer

Sotiropoulou

2017

Herit Sci

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Photo-induced luminescence imaging techniques, such as UV-induced visible luminescence (UVL) and the more recently developed technique of visible-induced infrared luminescence (VIL), have been invaluable for the study of ancient polychromy, allowing the detection and mapping of luminescent materials, such as varnishes, consolidants, organic binders, and crucially, traces of pigments, organic and inorganic, that are often not visible to the naked eye. In the context of works from the Hellenistic period onwards, the detection of two pigments, Egyptian blue and rose madder lake, has been particularly pivotal in advancing the field. Current conventional methodologies for the digital mapping of these two luminescent pigments rely on the separate application of two techniques (VIL and UVL), each requiring a different illumination source and acquisition set-up. In this study, a novel approach is proposed, combining the use of visible-induced infrared luminescence and visible-induced visible luminescence to locate these two pigments. As the source of illumination in both cases is the same system of LEDs, the set-up has the advantage of requiring only minor filter changes between luminescence modes. The increased portability and safety compared to the use of methodologies that employ UV radiation represent notable advantages of this integrated system. The interchangeability between highly selective excitation sources, also significantly simplifies the experimental set-up and the need to adjust the object or equipment between acquisitions, ensuring better reproducibility of the data acquired and facilitating any post-processing procedures. This results in a user-friendly methodology for both experts and non-specialists alike. Three Hellenistic period terracottas; two from Canosa di Puglia, Italy (270-200 BC) and one from Myrina, Turkey (c. 100 BC), all characterised by large well-preserved areas of decoration in Egyptian blue and red lake, were studied in order to trial the approach. Comparisons were made with the more standard techniques of VIL and UVL, and it was shown that the combined method proposed efficiently detects and maps both of these pigments with analogous results to those obtained by more established methodologies. The observations made from the multispectral images acquired were verified by analysis of small samples of the pigments, using FTIR and Raman spectroscopy and HPLC-DAD analysis.

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VIPS - a highly tuned image processing software architecture

Cited by 85 publications

References 7 publications

The atlas of mouse development eHistology resource

The atlas of mouse development eHistology resource

Acquisition and formation of multispectral images of paintings

A technical step forward in the integration of visible-induced luminescence imaging methods for the study of ancient polychromy

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