Zoekresultaten - Heming ZHAO
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Formant frequency estimations of whispered speech in Chinese
Gepubliceerd in 2009-01-01Volledige tekstFormant frequencies are important cues for characterizing whispered speech. However, it is difficult to exactly estimate its formant by the conventional linear prediction coding algorithm. The main reason is that the formant bandwidth of a whisper is wider than that of voiced speech....
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Joint Factor Analysis of Channel Mismatch in Whispering Speaker Verification
Gepubliceerd in 2013-10-01Volledige tekstA speaker recognition system based on joint factor analysis (JFA) is proposed to improve whisper- ing speakers’ recognition rate under channel mismatch. The system estimated separately the eigenvoice and the eigenchannel before calculating the corresponding speaker and the channel factors. Finally...
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Weld seam location with adaptive fracture repair on minor-caliber pipe
Gepubliceerd in 2025-09-01Volledige tekstHigh-precision weld positioning is crucial for enhancing welding quality and structural reliability. Current algorithms are challenged by uneven laser reflectivity, complex surface curvature, and noise interference. To overcome these obstacles, we propose a multi-stage adaptive weld centering framew...
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Correction: Qi et al. Development of Mitomycin C-Loaded Nanoparticles Prepared Using the Micellar Assembly Driven by the Combined Effect of Hydrogen Bonding and π–π Stacking and It...
Gepubliceerd in 2025-06-01Volledige tekstIn the original publication [...]
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