A Fourier transform in digital image processing plays a very important role. Interested in the text character features target localization is a key technology, it mainly using Fourier transform to digital image in frequency domain, and then switch to handle in the airspace image, because energy again reconstruction mainly concentrated in low-frequency extracted, only the region, we will display the high-energy interested target finished patterns settled.
Abstract: The Fourier transformation played the very vital role in digital image processing. Feels the interest text character characteristic goal the localization is an essential technology, it mainly draws support from the Fourier pair digital image to carry on frequency range processing, then transforms to the air zone in carries on the image restructuring once more, because the energy mainly concentrates in the low frequency component, only withdraws demonstrated that the high energy region, will complete to feels the interest goal the pattern localization.
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