1 March 1996 Defect detection in textured materials by optical filtering with structured detectors and self-adaptable masks
Claudio Ciamberlini, Franco Francini, Giuseppe Longobardi, Paola Sansoni, Bruno Tiribilli
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An optical method using Fourier transformation and spatial filtering is used to reveal defects in textured materials in real time. New optical structured filter types were developed including a self-adaptable mask made of photochromic polymers. The characteristics of these materials make possible very promising applications in pattern recognition such as that represented by a fabric.
Claudio Ciamberlini, Franco Francini, Giuseppe Longobardi, Paola Sansoni, and Bruno Tiribilli "Defect detection in textured materials by optical filtering with structured detectors and self-adaptable masks," Optical Engineering 35(3), (1 March 1996). https://doi.org/10.1117/1.600663
Published: 1 March 1996
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Cited by 31 scholarly publications.
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KEYWORDS
Optical filters

Sensors

Defect detection

Fourier transforms

Image filtering

Spatial filters

Spatial frequencies

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