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1. (WO2017032308) PCB BOARD DETECTION METHOD AND APPARATUS

Pub. No.:    WO/2017/032308    International Application No.:    PCT/CN2016/096546
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Thu Aug 25 01:59:59 CEST 2016
IPC: G06T 7/00
Applicants: GUANGZHOU SHIYUAN ELECTRONICS CO., LTD.
广州视源电子科技股份有限公司
Inventors: YANG, Ming
杨铭
Title: PCB BOARD DETECTION METHOD AND APPARATUS
Abstract:
A PCB board detection method comprises the following steps: acquiring an image of a specified region (10) on a conveyance surface of a conveyor belt (S201); processing the image by using a Canny operator to obtain an edge image, the Canny operator comprising two parameters: a high threshold and a low threshold, and the high threshold and the low threshold being adaptively generated according to pixel information of the image (S203); counting the number of non-zero pixels in the edge image (S204); and detecting, according to a magnitude relationship between the number of non-zero pixels and at least one of the preset thresholds, a degree of entrance of the PCB board (20) into the specified region (10) (S205). The technical solutions also comprise a PCB board detection apparatus. The PCB board detection method and apparatus have strong robustness, improve efficiency and quality of PCB detection, and realize high automation of PCB detection.