David K. HAN


DNN Transfer Learning Based Non-Linear Feature Extraction for Acoustic Event Classification
Seongkyu MUN Minkyu SHIN Suwon SHON Wooil KIM David K. HAN Hanseok KO 
Publication:   
Publication Date: 2017/09/01
Vol. E100-D  No. 9  pp. 2249-2252
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
acoustic event classificationtransfer learningdeep neural networkacoustic feature
 Summary | Full Text:PDF(1.1MB)

Enhancing Underwater Color Images via Optical Imaging Model and Non-Local Means Denoising
Dubok PARK David K. HAN Hanseok KO 
Publication:   
Publication Date: 2017/07/01
Vol. E100-D  No. 7  pp. 1475-1483
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
underwater imagecolor correctionimage restorationdenoising
 Summary | Full Text:PDF(3.1MB)

License Plate Detection and Character Segmentation Using Adaptive Binarization Based on Superpixels under Illumination Change
Daehun KIM Bonhwa KU David K. HAN Hanseok KO 
Publication:   
Publication Date: 2017/06/01
Vol. E100-D  No. 6  pp. 1384-1387
Type of Manuscript:  LETTER
Category: Image Recognition, Computer Vision
Keyword: 
license plate detectionlicense plate character segmentationbinarizationsuperpixel algorithm
 Summary | Full Text:PDF(717.7KB) | (Errata[Uploaded on July 1,2017])

Visual Speech Recognition Using Weighted Dynamic Time Warping
Kyungsun LEE Minseok KEUM David K. HAN Hanseok KO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/07/01
Vol. E98-D  No. 7  pp. 1430-1433
Type of Manuscript:  LETTER
Category: Image Recognition, Computer Vision
Keyword: 
visual speech recognitionlip reading
 Summary | Full Text:PDF(549.3KB)

Pre-Filtering Algorithm for Dual-Microphone Generalized Sidelobe Canceller Using General Transfer Function
Jinsoo PARK Wooil KIM David K. HAN Hanseok KO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/09/01
Vol. E97-D  No. 9  pp. 2533-2536
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
speech enhancementbeamformingadaptive signal processingnonstationary noise
 Summary | Full Text:PDF(440.8KB) | (Errata[Uploaded on November 1,2014])

Fast Single Image De-Hazing Using Characteristics of RGB Channel of Foggy Image
Dubok PARK David K. HAN Changwon JEON Hanseok KO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2013/08/01
Vol. E96-D  No. 8  pp. 1793-1799
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
air-lightde-hazingdepth estimationimage restoration
 Summary | Full Text:PDF(2.4MB)

Full Azimuth Multiple Sound Source Localization with 3-Channel Microphone Array
Suwon SHON David K. HAN Jounghoon BEH Hanseok KO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/04/01
Vol. E95-A  No. 4  pp. 745-750
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
multichannel array processingSRP-PHATsound source localization (SSL)
 Summary | Full Text:PDF(1.4MB)