PEDOTOPOGRAPHY APPARATUS AND METHOD USING MOIRE FRINGE ANALYSIS TO MEASURE FOOT SHAPES

PEDOTOPOGRAPHY APPARATUS AND METHOD USING MOIRE FRINGE ANALYSIS TO MEASURE FOOT SHAPES

A pedotopography apparatus which measures the shape of a foot by producing a moiré fringe pattern representative of the underside of the foot, capturing and storing an image of the moiré fringe pattern in an image storage buffer, analyzing the image to locate at least two points of interest on the f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GOULD NATHANIEL, FONTES MICHAEL, THESSIN TYLER REID
Format: Patent
Sprache:eng
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:A pedotopography apparatus which measures the shape of a foot by producing a moiré fringe pattern representative of the underside of the foot, capturing and storing an image of the moiré fringe pattern in an image storage buffer, analyzing the image to locate at least two points of interest on the foot and computing information corresponding to the distance between the two points. In the preferred embodiment the captured image is processed by Sobel convolution to enhance edges in the image. Both an apparatus and a method of processing are disclosed.