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Online quality inspection is an effective way to guarantee the quality of PET bottles packaging on the high-speed filling production line. This paper focused on studying and developing a machine vision inspecting system for on-line defects detection of PET caps without support rings. An image processing algorithm was proposed to detecting the serious defects such as surface foreign matters and link...
This paper presented a method for recording and reconstructing high-quality digital color holographic images. Digital holography with three different wavelength lasers and a monochrome CCD has been demonstrated. With the phase-shifting of the reference beam, in-line holograms for three wavelengths are recorded successively for derivation of the complex amplitude at each wavelength. The three monochromatic...
A real-time sausage appearance defect inspection system is presented in this paper. The general hardware and software structure is presented and a model method for sausage defect detection is proposed. This inspection system gives consistent and repeatable satisfactory results under real industrial conditions with sufficient speed.
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