SYSTEM AND METHOD FOR AUTOMATIC DETECTION OF TIP PLANE ON 3D DETAILED EAR IMPRESSIONS

SYSTEM AND METHOD FOR AUTOMATIC DETECTION OF TIP PLANE ON 3D DETAILED EAR IMPRESSIONS

A method for detecting the tip plane in digitized 3D ear impressions includes receiving a digitized mesh representation of an undetailed 3D ear impression and a digitized mesh representation of a detailed 3D ear impression, finding faces on the detailed ear impression mesh that are modified with res...

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Hauptverfasser: MELKISETOGLU RUPEN, FANG TONG, LI GANG
Format: Patent
Sprache:eng
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CALCULATING
COMPUTING
COUNTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
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creator MELKISETOGLU RUPEN
FANG TONG
LI GANG
description A method for detecting the tip plane in digitized 3D ear impressions includes receiving a digitized mesh representation of an undetailed 3D ear impression and a digitized mesh representation of a detailed 3D ear impression, finding faces on the detailed ear impression mesh that are modified with respect to corresponding faces on the undetailed ear impression mesh, forming regions of connected modified faces, eliminating those regions that are not around an ear canal, and creating a tip plane by averaging vertices of those remaining faces in a tip region of the detailed impression to find a mass center point, averaging face normal vectors over all faces in the tip region to find an average face normal, and extending the average face normal from the mass center point to find the intersection on the detailed ear impression.
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subjects CALCULATING
COMPUTING
COUNTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
title SYSTEM AND METHOD FOR AUTOMATIC DETECTION OF TIP PLANE ON 3D DETAILED EAR IMPRESSIONS
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