Histogram Slicing to Better Reveal Special Thermal Objects

In this paper, an experimentation to enhance the visibility of hot objects in a thermal image acquired with ordinary digital camera is reported, after the applications of lowpass and median filters to suppress the distracting granular noises. The common thresholding and slicing techniques were used on the histogram at different gray levels, followed by a subjective comparative evaluation. The best result came out with the threshold level 115 and the number of slices 3.

Authors:

• S. Ratna Sulistiyanti
• Adhi Susanto
• Thomas Sri Widodo
• Gede Bayu Suparta

Keywords:

• enhance
• thermal image
• thresholding and slicingtechniques
• granular noise
• hot objects.

References:

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