Method and apparatus for image plane modulation pattern...

G - Physics – 06 – K

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G06K 9/00 (2006.01) G06T 7/60 (2006.01)

Patent

CA 2200446

The detection of optical stripes on an image of a glass slide (20) of material of interest. An automated microscope system (511) with an illuminator (508) having a spatial intensity homogenizer (40) provides spatially uniform illumination of a microscope slide specimen (20). Periodic optical patterns formed from the illumination system (508) are detected by a computer system (540). The computer (540) forms a high transmission mask (717) of an image (712) of the biological specimen (20). Edges in the image are detected (716) and a low transmission area process (718) is performed. Horizontal stripes are enhanced (720). A final thresholding (722) generates a binary image (727) of the patterns. Stripes in the patterns are detected (724) and a stripe flag (706) and stripe area (708) are calculated.

Détection de bandes optiques sur une image de la lame de verre porte-objet (20) d'un microscope. Un système de microscope automatisé (511) pourvu d'un illuminateur (508) possédant un homogénéisateur d'intensité spatiale (40) permet de réaliser l'éclairage spatialement uniforme d'un spécimen (20) placé sur la lame du microscope. Les configurations optiques périodiques obtenues à partir de l'illuminateur (508) sont détectées par un système informatique (540). L'ordinateur (540) forme un masque de transmission puissante (717) d'une image (712) du spécimen biologique (20). Les bords dans l'image sont détectés (716) et un processus à zone de transmission faible (718) est mis en oeuvre. Les bandes horizontales sont amplifiées (720). Un seuillage final (722) génère une image binaire (727) des configurations. Les bandes dans les configurations sont détectées (724) et un indicateur de bande (706), ainsi qu'une zone de bande (708) sont calculés.

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