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In this paper the second generation digital terrestrial distribution system standardized by the Digital Video Broadcasting Consortium (DVB-T2) is considered and, in particular, pilot assignments and channel estimation methods for DVB-T2 are discussed. The DVB-T2 standard defines eight different scattered pilot patterns to adjust to different channel conditions. Different scattered pilot patterns to...
Fingerprint enhancement proceeds by fully utilizing the intrinsic properties of original images to improve the ridges and eliminate the noises. Although Gabor filter is a classical enhancement method, its function may suffer for the low-quality images due to the unreliable orientation and frequency map estimated by conventional approach. In this paper, a new approach has been proposed to estimate...
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