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1. (WO2018100225) AN ULTRASONIC QUALITY CONTROL USING FILTERED IMAGE DATA

Pub. No.:    WO/2018/100225    International Application No.:    PCT/FI2016/050838
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Wed Nov 30 00:59:59 CET 2016
IPC: G01N 29/06
G01N 29/30
G01N 29/44
G01S 15/89
G06K 9/36
G06T 7/00
Applicants: WÄRTSILÄ FINLAND OY
Inventors: HAKKARAINEN, Toni
Title: AN ULTRASONIC QUALITY CONTROL USING FILTERED IMAGE DATA
Abstract:
An ultrasonic quality control checks a quality of a piece and classifies the piece automatically. The piece is scanned (101), and an image is formed from said scanning (102). A reference piece is also scanned (103), and a reference image is formed from said scanning of the reference piece (104). Further a negative image of said reference image is formed (105), and a indication image is created by utilizing said image and the negative image (106). The indication image is filtered by utilizing several image filters, each image filter filtering all data of the indication image except an image filter specific indication level data (107). Further several indication levels data are provided from the image filter specific indication level data (108), and the piece is classified utilizing said several indication levels data (109).