An image registration technique to enhance PCB inspection algorithms with real images

  • Ismail Ibrahim
  • , Syed Abdul Rahman Syed Abu Bakar
  • , Musa Mohd Mokji
  • , Kamal Khalil
  • , Zulkifli Md Yusof
  • , Jameel Abdulla Ahmed Mukred
  • , Mohd Saberi Mohamad
  • , Zuwairie Ibrahim

Research output: Contribution to journalArticlepeer-review

Abstract

It is well known that real PCD image inspection based on referential approaches faces misalignment problems in detecting defects between a template image and a defective image. Hence, a reliable image registration technique is needed to align these two images perfectly. Hence, a registration technique which incorporates affine transformation and bi-cubic interpolation has been proposed. Experimental results have shown that this registration technique is suitable to be employed to obtain well-aligned defective images before detection algorithm takes place in PCD inspection.

Original languageEnglish
Pages (from-to)717-722
Number of pages6
JournalICIC Express Letters
Volume6
Issue number3
Publication statusPublished - Mar 2012
Externally publishedYes

Keywords

  • Printed circuit boards. image registration. affine transformation. bi-cubic interpolation. defect detection

ASJC Scopus subject areas

  • Control and Systems Engineering
  • General Computer Science

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