Publication

Object i.e. aneurysm, examining method for brain of patient, involves evaluating sequence of images by associating pixels with analysis image value depending on temporal changes of image values of pixels in specified frequency range

Theo Lasser, Marcel Leutenegger, Antonio Lopez, Erica Martin-Williams
2009
Patents

Abstract

NOVELTY - The method involves illuminating an object i.e. aneurysm, with measuring light with wavelengths ranging from 790 nanometer to 820 nanometer, and recording a sequence of images (21, 22) i.e. white light image, of the illuminated object. The sequence of images is evaluated by associating pixels in the sequence of images to which locations of the object are imaged with an analysis image value. The analysis image value depends on temporal changes of image values of the pixels in the sequence of images in a frequency range of below 100 Hertz.

Official source

https://infoscience.epfl.ch/entities/publication/5ae1241b-1e53-495c-a019-0c223d31a27d

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Theo Lasser, Marcel Leutenegger, Antonio Lopez, Erica Martin-Williams
2009
Patents

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/5ae1241b-1e53-495c-a019-0c223d31a27d

About this result

Related concepts (32)

Image

An image is a visual representation of something. An image can be a two-dimensional (2D) representation, such as a drawing, painting, or photograph, or a three-dimensional (3D) object, such as a carving or sculpture. An image may be displayed through other media, including projection on a surface, activation of electronic signals, or digital displays. Two-dimensional images can be still or animated. Still images can usually be reproduced through mechanical means, such as photography, printmaking or photocopying.

Pixel

In digital imaging, a pixel (abbreviated px), pel, or picture element is the smallest addressable element in a raster image, or the smallest addressable element in a dot matrix display device. In most digital display devices, pixels are the smallest element that can be manipulated through software. Each pixel is a sample of an original or synthetic image; more samples typically provide more accurate representations of the original. The intensity of each pixel is variable.

Image editing

Image editing encompasses the processes of altering s, whether they are digital photographs, traditional photo-chemical photographs, or illustrations. Traditional analog image editing is known as photo retouching, using tools such as an airbrush to modify photographs or editing illustrations with any traditional art medium. Graphic software programs, which can be broadly grouped into vector graphics editors, raster graphics editors, and 3D modelers, are the primary tools with which a user may manipulate, enhance, and transform images.

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Object i.e. aneurysm, examining method for brain of patient, involves evaluating sequence of images by associating pixels with analysis image value depending on temporal changes of image values of pixels in specified frequency range

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