Differential Binary Encoding Method for Calibrating Image Sensors Based on IOFBs

Pedro R. Fernández

doi:10.3390/s120404133

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Differential Binary Encoding Method for Calibrating Image Sensors Based on IOFBs

2012-03-27

Pedro R. Fernández

José Luis Lázaro Galilea *

DOI：10.3390/s120404133

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Abstract

En 中文

Image transmission using incoherent optical fiber bundles (IOFBs) requires prior calibration to obtain the spatial in-out fiber correspondence necessary to reconstruct the image captured by the pseudo-sensor. This information is recorded in a Look-Up Table called the Reconstruction Table (RT), used later for reordering the fiber positions and reconstructing the original image. This paper presents a very fast method based on image-scanning using spaces encoded by a weighted binary code to obtain the in-out correspondence. The results demonstrate that this technique yields a remarkable reduction in processing time and the image reconstruction quality is very good compared to previous techniques based on spot or line scanning, for example.

Keywords:

image sensor

image transmission

sensor calibration

optical fiber sensors

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