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In this paper, contactless palm and finger detection for biometric fingerprint verification/identification process with mobile devices is considered. In order to speed up the border checking verification process, we focus on capturing the whole palm in order to extract each fingertip instead of successively capturing each fingertip. The workflow comprises palm detection in order to detect the skin...
Touchless finger detection for the biometric fingerprint verification/identification process with mobile devices is considered in this paper. Fingerprint capturing is based on a camera system with bright-field illumination. For finger detection, a machine learning based algorithm with Aggregated Channel Features (ACFs) and a skin-color based finger segmentation with a geometric shape based approach...
We consider cancellation of a single carrier interferer for the digital radio mondiale (DRM) system. The interferer is fully described by its frequency, amplitude, and phase. These parameters can be estimated in a maximum-likelihood sense using the pilot symbols in the orthogonal frequency division multiplexing (OFDM) signal. Subsequently, the interference may be reconstructed and subtracted from...
State-of-the-art wireless local area network (WLAN) IEEE 802.11b terminals employ complementary code keying (CCK) as modulation format. In this paper, receiver concepts tailored for CCK transmission over frequency-selective fading channels are presented in a unified and systematic framework. First, optimum maximum-likelihood (ML) detection for CCK signaling is considered. Second, for complexity reduction,...
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