Suchart Yammen

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This paper describes an image processing method to automate the optical inspection process for solder jet ball joint defects on the Head Gimbal Assembly (HGA) of hard disk drives (HDDs). Vertical edge detection methods are proposed to identify the defect. The performance of the vertical edge detection method is evaluated against another technique; the(More)
A firearm leaves a unique impression on fired cartridge cases. The cross-correlation function plays an important role in matching the characteristic features on the cartridge case found at the crime scene with a specific firearm, for accurate firearm identification. This paper proposes that the computational forensic techniques of alignment and effective(More)
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