• Publications
  • Influence
On using acoustic environment classification for statistical model-based speech enhancement
TLDR
In this paper, we present a statistical model-based speech enhancement technique using acoustic environment classification supported by a Gaussian mixture model (GMM). Expand
  • 22
  • 2
  • PDF
Dual-Microphone Voice Activity Detection Technique Based on Two-Step Power Level Difference Ratio
TLDR
In this paper, we propose a novel dual-microphone voice activity detection (VAD) technique based on the two-step power level difference (PLD) ratio to take advantage of the relative difference between the PLD of speech and noise. Expand
  • 10
  • 1
  • PDF
Causes of Fish Kill in the Urban Streams I - Field Surveys and Laboratory Experiments
This study was carried out to investigate the causes of fish kills in the Yudeung Stream in Daejeon, Korea using literature reviews, governmental and our water quality monitoring data of the studyExpand
  • 2
  • 1
A Statistical Model-Based Speech Enhancement Using Acoustic Noise Classification for Robust Speech Communication
TLDR
In this paper, we present a speech enhancement technique based on the ambient noise classification that incorporates the Gaussian mixture model (GMM). Expand
  • 3
  • PDF
Efficient Implementation of Statistical Model-Based Voice Activity Detection Using Taylor Series Approximation
TLDR
SUMMARY In this letter, we propose a simple but effective technique that improves statistical model-based voice activity detection (VAD) by reducing computational complexity and increasing detection accuracy. Expand
  • 4
  • PDF
Thin and lightweight radar-absorbing structure containing glass fabric coated with silver by sputtering
Abstract In this paper, a new radar-absorbing structure produced by electrical modification of glass fabric via the silver-sputtering coating technique is proposed. Although conventional radarExpand
  • 23
Fabrication of a thin and lightweight microwave absorber containing Ni-coated glass fibers by electroless plating
Abstract This study presents a thin and lightweight single-slab and two types of double-slab microwave absorbing composites by coating Ni to a glass fiber via an electroless plating technique. InExpand
  • 29
Characteristics of silicon carbide fiber-reinforced composite for microwave absorbing structures
Abstract A microwave-absorbing structure is a multifunctional composite composed of lossy materials, to obtain optimal electromagnetic properties combined with structural load-bearing capability.Expand
  • 15
A concept-based video retrieval model with spatio-temporal fuzzy triples
TLDR
The drawback of conventional content-based video retrieval systems is that they cannot retrieve video shots semantically related with the user's intention. Expand
  • 5
Speech Enhancement Based on Adaptive Noise Power Estimation Using Spectral Difference
TLDR
We propose an effective technique based on a sigmoid-type function in order to adaptively determine the smoothing parameter based on the spectral difference. Expand
  • 3
  • PDF