HDSP​ LAB.

Jongyoung Kim, Seongyoun Woo, Wonjun Lee, Donghwan Kim and Chulhee Lee, "Analyzing Decision Polygons of DNN-based Classification Methods," the 17th International Conference on Informatics in Control, Automation and Robotics (ICINCO), 2020.

Jiho Yoon and Chulhee Lee, "Edge Detection Using the Bhattacharyya Distance with Adjustable Block Space," Electronic Imaging, 2020.

Seongyoun Woo and Chulhee Lee, "Incremental Feature Extraction Based on Gaussian Maximum Likelihood," 34th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2019).

Seongyoun Woo and Chulhee Lee, "Multigradient-based Convolutional Neural Network,"  International Conference on Industrial Technology 2019 (ICIT2019).

Sanghun Lee, Seongyoun Woo, Joonwoo Lee, Jaejun Seo and Chulhee Lee, "Fully-automatic Synthesizing Method of Dental Panoramic Radiograph by Using Internal Curve of Mandible in Dental Volumetric CT," Electronic Imaging 2019.

Seongyoun Woo and Chulhee Lee, "Decision Boundary Formation of  Deep Convolution Networks with ReLU," 16th IEEE International Conference on Pervasive Intelligence and Computing (PICom 2018).

Chulhee Lee, Seongyoun Woo and J. Rim,  "Parzen Density Estimator for Complex Pattern Classification and High Dimensional Data Analysis," 9th International Conference on Information, Intelligence, Systems and Applications (IISA). 2018.

Chulhee Lee, Junho Lim and Seongyoon Woo, "Cone Transform for Size-Tolerant Object Recognition," 9th International Conference on Information, Intelligence, Systems and Applications (IISA). 2018.

Jiho Yoon, Sangwook Baek, Euisun Choi, Hyunji Lee and Chulhee Lee, "Automatic Banknote Stain Detection," Electronic Imaging, 2018.

J. Ok, S. Lee, K. Lee, S. Kim, Y. Kim and C. Lee, "Object Recognition for Use in Point-and-Link Communication," 8th International Conference on Information, Intelligence, Systems & Applications (IISA). 2017.

C. Lee, S. Woo, S. Baek, J. Han, J. Chae, and J. Rim, "Comparison of Objective Quality Models for Adaptive Bit-streaming Services," 2017 8th International Conference on Information, Intelligence, Systems & Applications (IISA). 2017.

Yongsung Cheon and Chulhee Lee, "Color Edge Detection based on Bhattacharyya Distance," the 14th International Conference on Informatics in Control, Automation and Robotics, 2017.

C. Lee, S. Baek, S. Youn, S. Woo, and J. Baek, "UHD Quality Analyses at Various Viewing Conditions," Electronic Imaging, 2017.

C. Lee, S. Baek, G. Seo, J. Ryu and K. Kang, "Optimizing Video Transmission for Mobile Devices," Electronic Imaging, 2017.

Sanghun Lee, Sangwook Baek and Chulhee Lee, "Soiled Banknote Fitness Determination Based on Morphology and Otsu’s Thresholding," IEEE International Conference on Consumer Electronics 2017, USA, January, 2017.

Sangwook Baek, Sanghun Lee and Chulhee Lee, "Banknote Simulator for Aging and Soiling Banknotes using Gaussian Models and Perlin Noise," IEEE International Conference on Consumer Electronics 2017, USA, January, 2017.

Seongyoun Woo and Chulhee Lee, "Feature Extraction for Deep Neural Networks Based on Decision Boundaries," SPIE DEFENSE + COMMERCIAL SENSING 2017, USA, April, 2017.

Junho Lim and Chulhee Lee, "Size and Rotation Invariant Alphabet Recognition," SPIE DEFENSE + COMMERCIAL SENSING 2017, USA, April, 2017.

Yongsun Cheon and Chulhee Lee, "Size and Rotation Invariant Alphabet Recognition," 14th International Conference on Informatics in Control, Automation and Robotics 2017, Spain, July, 2017.

Seongyoun Woo and Chulhee Lee, "Discriminant Power Analyses of Non-linear Dimension Expansion Methods," SPIE DEFENSE + COMMERCIAL SENSING, USA, April, 2016.

Seongyoun Woo and Chulhee Lee, "Imbalanced Data Classification Using Reduced Multivariate Polynomial," SPIE DEFENSE + COMMERCIAL SENSING, USA, April, 2016.

Sangwook Baek and Chulhee Lee, "Effects of blurring and vertical misalignment on visual fatigue of stereoscopic displays," Electronic Imaging, 2015.

Jiheon Ok, Soochang Kim, Young-hoon Kim, Chulhee Lee, "Communication Target Object Recognition for D2D Connection with Feature Size Limit," Electronic Imaging, 2015.

Seongyoun Woo and Chulhee Lee, "Polynomial Support Vector Machine Using Reduced Multivariate Polynomial," ITC-CSCC 2015, Seoul, Korea, June, 2015.

Sanghun Lee and Chulhee Lee, "Face Recognition Based on Binary Images for Link Selection," 9th International Conference on Computer Vision Theory and Applications, Lisbon, Portugal, January. 2014.

Sangwook Lee, Sanghun Lee, Chulhee Lee, "Unsupervised Segmentation of Hyperspectral Images Based on Dominent Edges," 9th International Conference on Computer Vision Theory and Applications, Lisbon, Portugal, January. 2014.

Chulhee Lee, Jiheon Ok, Guiwon Seo, "Objective video quality measurement using embedded VQMs," 10th International Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness, Rhodes, Greece, August. 2014.

Jiheon Ok, Euisun Choi, Yoonkil Baek and Chulhee Lee, "Fast Country Classification of Banknotes," ISMS2013, Bangkok Thailand, January. 2013.

Chulhee Lee, Sangwook Lee, Jiheon Ok and Jaeho Lee, "Shadow Removal for Background Subtraction Using Illumination Invariant Measures," ISMS2013, Bangkok Thailand, January. 2013.

Chulhee Lee, Jaehoon Lee, "Direct video encoding for CFA," Industrial Technology (ICIT), 2013 IEEE International Conference on, Cape Town, South Africa, February. 2013.

Guiwon Seo, Jiheon Ok, Chulhee Lee, "Fast implementation of neural network classification," SPIE 2013 Optics+Photonics, San Diego, USA, August, 2013.

Kwon Lee and Chulhee Lee, "High Performance Deinterlacing Using Spatially Registered Vertical-Temporal Filtering," 2012 IEEE International Conference on Consumer Electronics, Las Vegas USA, January. 2012. 

Sungwook Youn and Chulhee Lee, "Automotive Camera Quality Measurements based on Stability, Contrast and Intensity Metrics in Text Region," SPIE Optics+Photonics '12, San Diego USA, August. 2012. 

Guiwon Seo, Sungwook Youn and Chulhee Lee, "Video compression based on frequency sensitivity," SPIE Optics+Photonics '12, San Diego USA, August. 2012. 

Kwon Lee and Chulhee Lee, "Fast Object Detection Based on Color Histograms and Local Binary Patterns," IEEE TENCON2012, Cebu Philippines, November. 2012. 

Guiwon Seo and Chulhee Lee, "Deinterlacing Using Second Order Polynomial Estimation," IEEE TENCON2012, Cebu Philippines, November. 2012.

Guiwon Seo, Mielikainen Jarno, Sungwook Youn and Chulhee Lee, "Real-time Lossless Compression for HDTV Video Using a GPGPU," SPIE Optics+Photonics '11, San Diego USA, August. 2011. 

Sungwook Youn, Seong Wook Han and Chulhee Lee, "Color/Mono Classification of Scanned Images," SPIE Optics+Photonics '11, San Diego USA, August. 2011.

Jiheon Ok, Seong Wook Han, Mielikainen Jarno and Chulhee Lee, "Low complexity pixel-based halftone detection," SPIE Optics+Photonics '11, San Diego USA, August. 2011.

Kwon Lee, Guiwon Seo, and Chulhee Lee, "Contents Adaptive Deinterlacing based on Local Content Classification," IASTED Computer Graphics and Imaging, Innsbruck, Austria, February. 2010.

Guiwon Seo, Kwon Lee, and Chulhee Lee, "Mobile Phone Faxing," IASTED Computer Graphics and Imaging, Innsbruck, Austria, February. 2010.

Chulhee Lee, "Activity of VQEG and Trend of objective video quality assessment method in ITU-T/R," International Workshop on Image Media Quality and its Applications, Tokyo, Japan, May. 2010.

Taeuk Jeong, Younghie Kim, Jonghwa Lee, and Chulhee Lee, "Blind blur radius estimation with gradient ratio," International Workshop on Image Media Quality and its Applications, Tokyo, Japan, May. 2010.

Jongwha Lee, Kwon Lee, and Chulhee Lee, "Subjective video quality comparison of HDTV monitors," International Workshop on Image Media Quality and its Applications, Tokyo, Japan, May. 2010.

Jonghwa Lee, Sangwook Lee, and Chulhee Lee, “Improved panchromatic sharpening,” Proc. SPIE, vol. 7810, 78100T, San Diego, August, 2010.

Jonghwa Lee, Sangwook Lee and Chulhee Lee, "Deinterlacing with reduced flickering," SPIE Optics+Photonics '09, San Diego USA, August. 2009. 

Jonghwa Lee, Sangwook Lee and Chulhee Lee, "Perceptual video quality comparison of various deinterlacing methods," SPIE Optics+Photonics '09, San Diego USA, August. 2009. 

Sangwook Lee, Jonghwa Lee and Chulhee Lee, "Automated display of hyperspecetral images with unsupervised segmentation," SPIE Optics+Photonics '09, San Diego USA, August. 2009. 

Sangwook Lee, Jonghwa Lee and Chulhee Lee, "Bit allocation for 2D compression of hyperspectral images for classification," SPIE Optics+Photonics '09, San Diego USA, August. 2009.

Kwon Lee, Jihwan Choe and Chulhee Lee, "No-Reference Video Quality Measurement Using Neural Networks," IEEE DSP2009, the Aegean island of Santorinii, Greece, July. 2009. 

Heebum Park, Guiwon Seo and Chulhee Lee, "Quasi-bi-Quadratic Interpolation for LUT implementation for LCD TV," International Conference on Imaging Theory and Application, Lisboa, Protugal, February. 2009. 

Chulhee Lee, Guiwon Seo, and Sangwook Lee, "EPSNR for objective image quality measurements," International Conference on Imaging Theory and Application, Lisboa, Protugal, February. 2009. 

Hyunsoo Choi, Guiwon Seo, and Chulhee Lee, "Optimal input size for neural network de-interlacing," IS&T/SPIE 21th Annual Symposium Electronic Imaging, Sanjose USA, January. 2009. 

Guiwon Seo, Hyunsoo Choi, and Chulhee Lee, "Efficient implementation of neural network deinterlacing," IS&T/SPIE 21th Annual Symposium Electronic Imaging, Sanjose USA, January. 2009.

Guiwon Seo, Changsun Leem, Sangwook Lee, and Chulhee Lee, "Subjective video quality comparison of HDTV monitors," IS&T/SPIE 21th Annual Symposium Electronic Imaging, Sanjose USA, January. 2009. 

Chulhee Lee, Jonghwa Lee, and Guiwon Seo, "Video calibration for spatial-temporal registration with gain and offsets adjustments", IS&T/SPIE 21th Annual Symposium Electronic Imaging, Sanjose USA, January. 2009.

Kwon Lee and Chulhee Lee, "Effective Deinterlacing based on Field Correlation," IASTED SIP, Hawaii USA, August. 2008. 

Sangwook Lee and Chulhee Lee, ""Unsupervised Segmentation of Hyper spectral images based on Edge Information," IS&T/SPIE Optics+Photonics, San Diego USA, August. 2008. 

Euisun Choi, Sangwook Lee and Chulhee Lee, "Effects of compression on classification of hyperspectral images," WSEAS CSCC Systems, Crete Island, Greece, July. 2008. 

C. Lee, Y. Cho, S. Lee, J. Park, D. Hwang, C. Song and D. Hur, "Objective Models for perceptual vacuum cleaner noise," WSEAS CSCC Systems, Crete Island, Greece, July. 2008. 

Jonghwa Lee and Chulhee Lee, "Spatial-temporal multi-channel audio coding," IEEE SAM 08, Darmstadt Germany, July. 2008. 

Jonghwa Lee and Chulhee Lee, "Fast panchromatic sharpening for high-resolution multi-spectral images," IEEE IGARSS 08, Boston USA, July. 2008. 

Jihoon Kim, Jonggeun Park, and Chulhee Lee, "Illumination normalization for face recognition," IS&T/SPIE 20th Annual Symposium Electronic Imaging, Sanjose USA, January. 2008. 

Chulhee Lee and Jonghwa Lee, "Efficient color coding for color filter arrays," IS&T/SPIE 20th Annual Symposium Electronic Imaging, Sanjose USA, January. 2008.

Chulhee Lee, Eunjae Lee, and Hyunsoo Choi, "Video quality Measurements for Analog Video signals," AES Advances and Trends in Engineering materials and their applications, Montriol Canada, 2007. 

Kangyoung Won, Kwon Lee, and Chulhee Lee, "Effective Deinterlacing Using Selective Spatial-Temporal Interpolation," IEEE International Workshop on Soft Computing Applications (SOFA2007), pp. 17-20, Gyula Hungary-Oradea Romania, 2007. - Best Student Paper Award - 

Taeuk Jeong, Jonggeun Park, and Chulhee Lee, "Feature Extraction Based on Difference Vectors," IEEE International Workshop on Soft Computing Applications (SOFA2007), pp. 183-186, Gyula Hungary-Oradea Romania, 2007. 

Jonggeun Park, Taeuk Jeong, and Chulhee Lee, "Automated Brain Segmentation Algorithm for 3D Magnetic Resonance Brain Images," IEEE International Workshop on Soft Computing Applications (SOFA2007), pp. 57-61, Gyula Hungary-Oradea Romania, 2007. 

Hyunsoo Choi, Chulhee Lee, "Neural Network Deinterlacing Using Multiple Fields and Field-MSEs," IEEE International Joint Conference on Neural Networks 2007, pp. 1-4, Orlando USA, 2007. 

Jonghwa Lee, Taeuk Jeong, and Chulhee Lee, "Improved Edge-adaptive Demosaicking Method 

for Artifact Suppression around Line Edges," IEEE International Conference on Consumer Electronics 2007, pp. 1-2, Lasvegas USA, 2007.

Chulhee Lee, Hyunsoo Choi, Eunjae Lee, Sangwook Lee, and Jihwan Choe, "Comparison of Various Subjective Video Quality Assessment Methods", SPIE Electronic Imaging, vol. 6059, pp. 605906~1-7, 2006.

Inho Kim and Chulhee Lee, "Deinterlacing in Spatial and Temporal Domain," SPIE Electronic Imaging, vol. 6065, pp. 378-386, 2006.

Jonggeun Park, Byungjun Baek, Choongill Ahn, Kyobum Ku, Dongkyun Jeong, and Chulhee Lee, "Automated segmentation of three-dimensional MR brain images," SPIE Medical Imaging, vol. 6144, pp. 1531-1538, 2006.

Wonseok Ahn and Chulhee Lee, "Objective Video Quality Measurement Using Various Degradation Factors," Proceedings of the 5th WSEAS Int. Conf. on Signal Processing, Robotics and Automation, pp. 351-355, 2006.

Chulhee Lee, Y. Cho, Sangwook Lee, Jonggeun Park, D. Hwang and D. Hur, "MODELING REFRIGERATOR NOISES," IASTED-ASM2006, vol. 522, pp. 543-547, 2006.

Sangwook Lee, J. S. Sagrista and Chulhee Lee, "Compression of Hyperspectral Images Using Significant Pixel Information of Wavelet Transforms," Geoscience and Remote Sensing Symposium, 2006. IGARSS 2006. IEEE International Conference, pp. 3549-3552, 2006.

Inho Kim, Taeuk Jeong and Chulhee Lee, "Deinterlacing Based on Motion Compensation with Variable Block Sizes," SPIE Applications of Digital Image Processing XXIX , vol. 6312, pp. 63120B1~8, 2006.

Jonggeun Park, and Chulhee Lee, "Robust Iris Recognition with Region Division," SPIE Electronic Imaging, vol. 5672, pp. 161-168, 2005.

Jaehyun Lim, Jonggeun Park, and Chulhee Lee, "Vision Based Speaker Location Detection," SPIE Electronic Imaging, vol. 5685, pp. 904-911, 2005.

Taeuk Jeong, Jihwan Choe, Jaehyun Lim, Hyunsoo Choi, Eunjae Lee, and Chulhee Lee, "Video Quality Comparison on LCD Monitors," SPIE Electronic Imaging, vol. 5685, pp. 196-203, 2005.

Sangwook Lee, Eunjae Lee, Hyunsoo Choi, and Chulhee Lee, "Compression of Hyperspectral Images with 2D Wavelet Transform Using Adjacent Information," Geoscience and Remote Sensing Symposium, 2005. IGARSS '05. Proceedings. 2005 IEEE International, vol. 1, pp. 117-119, 2005.

Bungjun Baek, Chulhee Lee, "Design of Wavelet Decomposition Based on Contrast Sensitivity Function," ITC-CSCC, vol. 4, pp. 1593-1594, 2005.

Euisun Choi, Hyunsoo Choi, and Chulhee Lee, "Principal Component Analysis with Pre-emphasis for Compression of Hyperspectral Imagery," Geoscience and Remote Sensing Symposium, 2005. IGARSS '05. Proceedings. 2005 IEEE International, vol. 2, pp. 704-706, 2005.

Chulhee Lee, Y. Cho, Byungjoon Baek , Sangwook Lee, D. Hwang and K. Jo, "Analyses of Refrigerator Noises," IEEE ISIE, vol. 2, pp. 1179-1184, 2005.

Hyunsoo Choi, and Chulhee Lee, "Objective video quality assessment using wavelet transform coefficients with adaptive threshold," IASTED Signal Image Processing, vol. 479, pp. 475-478, August. 2005.

Chulhee Lee, E. Jung, O. Kwon, M. Park and D. Hong, "Decision Boundary Formation of Neural Networks," 3rd WSEAS int. Cont, vol. , pp. 853-861, 2004.

Chulhee Lee, Euisun Choi, Byungjoon Baek and Changrak Yoon, " Analyzing the Gaussian ML classifier for limited training samples," Geoscience and Remote Sensing Symposium, 2004. IGARSS '04. Proceedings.2004 IEEE International, Volume 5, pp. 3229 - 3232. 2004.  

Chulhee Lee and Euisun Choi, "Estimation of Probability Density Functions from Limited Training Samples," IASTED CGIM, vol. , no. , pp. ,2004.

Chulhee Lee and W. Ahn, "FAST IMAGE ROTATION USING HYBRID INTERPOLATIONG," IASTED CGIM, vol. , no. , pp. ,2004.

Chulhee Lee, Heeyoung kim and Byungjoon Baek, "DETECTION OF BINARY SIGNALS USING LINEAR CLASSIFIERS," IASTED SIP, vol. , no. , pp. ,2004.

Chulhee Lee, Jinwook Go and Byungjoon Baek, "Feature extraction for neural network equalizers trained with multi-gradient Neural Networks," 2004. Proceedings. 2004 IEEE International Joint Conference on Volume 2, pp. 1575 - 1578, 25-29 July 2004.

Chulhee Lee and Euisun Choi, "Compreession of Hyperspectral lmages with Pre-emphasis," IEEE SAM 2004, vol. , no. , pp. ,2004.

Namhoon Baek and Chulhee Lee, "Hybrid Compression of Hyperspectral Images with Resizing," WSEAS CSCC, 2004,

Chulhee Lee and Euisun Choi, "Compression of hyperspectral images with preemphasis," IEEE IGARSS 2003, vol. , no. , pp. , 2003.

Chulhee Lee, W. Ahn, T. Jung and S. Cho, "Analysis of objective video quality metric using wavelet transform," SPIE 2003, vol. , no. , pp. , 2003.  

Chulhee Lee, H. Kim, W. Ahn and T. Jung, "Fast video registration methods for objective video quality measurements," SPIE 2003, vol. , pp. 597-604, 2003.

Chulhee Lee and S. Cho, "Fast hybrid interpolation," SPIE Electronic Imaging, vol. , pp. 1111-1122, 2003.

S.Cho, J.Choe, T.Jung, W.Ahn and C.Lee, "Edge Degradation for Objective Video Quality Metrics," SIPE IS&T 2003, vol.5308, pp 1253-1260, 2003.

O. Kwon, Chulhee Lee, "Deinterlacing using directional interpolation and motion compensation," SPIE Electronic Imaging, vol. , pp. 604-611, 2003.

Taeuk Jeong and Chulhee Lee, "Deinterlacing with Selective Motion Compensation," ITC-CSCC 2003, 2003.

Min Jeung Lee and Chulhee Lee, "Performance Comparison of Various Interpolation Methods for Motion Estimation," ITC-CSCC 2003, 2003.

H. Kim, S. Cho, Chulhee Lee, "Fast implementation of 3D SPIHT for real-time video compression," CISST '03, vol. , no. 6, pp. 384-388, 2003.

Chulhee Lee, J. Go and H. Kim, "Multigradient for neural networks for equalizers," SCI 2003, vol.3 pp.78-80, 2003.

Chulhee Lee, Y. Jeong and M. Lee, "Selective coding of brain MR images using 3D wavelets," SCI 2003, vol.4 pp.144-147, 2003.

J. Go and Chulhee Lee, "Optimality of decision boundary feature extraction for multiclass problems," IEEE IGARSS 2003, vol. 3 pp. 2051-2053, 2003.

J. Choi and Chulhee Lee, "Random access of compressed hyperspectral images," IEEE IGARSS 2003, vol. 6 pp. 3561-3563, 2003.

N. Baek, Jihwan Choe and Chulhee Lee, "Compression of hyperspectral images at low bit rates," IEEE IGARSS 2003, vol. 6 pp. 3555-3557, 2003.

H. Kim, Jihwan Choe and C.Lee, "Fast implementation of 3-D SPIHT using three information matrix," IEEE IGARSS 2003, vol. 6 pp. 3586-3588, 2003.

J. Go and Chulhee Lee, "Feature Extraction for Iris Recognition," IC-AI'03, vol. no. pp. 304-309, 2003.

S. Cho, H. Kim and Chulhee Lee, "Rapid hybrid interpolation for color filter array CCD," CISST '03, vol. no. pp. 463-466, 2003.

Chulhee Lee and Euisun Choi, "Compression of hyperspectral images with enhanced discriminant features," Advances in Techniques for Analysis of Remotely Sensed Data, 2003 IEEE Workshop, pp. 76-79, Oct. 2003.

Chulhee Lee, O. Kwon, T. Jung, S. Cho, H. Kim, "Weighted PSNR for objective measurement of video quality," VIIP 2002, pp. 130-133, 2002.

O. Kwon, Chulhee Lee, "Handwritten Digit Recognition Using Decision Boundaries of Neural Networks," IC-AI 2002, vol. , no. , pp. 194-198, 2002.

Jihwan Choe, Chulhee Lee, "Memory-Efficient Implementation of 3-Dimensional Zerotree Video Coding," ICCE 2002, vol. , no. , pp. 350-351, 2002.

Euisun Choi, D. Hyun, Chulhee Lee, "Optimizing Feature Extraction For English Word Recognition," ICASSP 2002, vol. 1, pp. 813-816, 2002.

Chulhee Lee, O. Kown, "Methods for objective measurement of video quality," SCI 2002, vol.3, pp. 92-96, 2002.

J. Go, D. Hyun, and Chulhee Lee, "Feature Extraction for HMM Speech Recognition Systems Using DTW," SCI 2002, vol.3, pp. 241-244, 2002.

Chulhee Lee, J. Go, H. Kim, "Decision boundary feature extraction for equalizers," IC-AI 2002, vol. , no. , pp. 1047-1051, 2002.

Chulhee Lee, O. Kwon, "Geometry of decision boundaries of neural networks," SPIE 2001, vol. , no. , pp. , 2001.

Chulhee Lee, B. Lee, K. Sohn, "Directional interpolation using neural networks," SPIE 2001, vol. , no. , pp. , 2001. 

B. Lee, K. Sohn, Chulhee Lee, "Performance Comparison of Various Interpolation Methods for Color Filter Arrays," ISIE 2001, vol. , no. , pp. 232 -236, 2001.

O. Kwon, Chulhee Lee, "Objective Method for Assessment of Video Quality Using Wavelets," ISIE 2001, vol. , no. , pp. 292-295, 2001.

O. Kwon, Chulhee Lee, "Edge Representation and Recognition Using Neural Networks," ISIE 2001, vol. , no. , pp. 110-113, 2001.

S. Lim, Chulhee Lee, "Principal component analysis for compression of hyperspectral images," IGARSS 2001, vol. 1, no. , pp. 97-99, 2001.

S. Lim, Chulhee Lee, "Compression for hyperspectral images using three dimensional wavelet transform," IGARSS 2001, vol. 1, no. , pp. 109-111, 2001.

Euisun Choi, Chulhee Lee, "Feature Extraction based on the Bhattacharyya Distance for Multimodal Data," IGARSS 2001, vol. 1, no. , pp. 524-526, 2001.

Euisun Choi, Chulhee Lee, "Estimation of Classification Error Based on the Bhattacharyya Distance for Multimodal Data," IGARSS 2001, vol. 4, no. , pp. 1874-1876, 2001.

K. Kim, Chulhee Lee, "Evaluation of Wavelet filters for Speech Recognition," IEEE conf. SMC 2000, vol. , no. , pp. 2891-2894, 2000.

B. Lee, Chulhee Lee, "High Quality Image Interpolation for Color Filter Arrays," IEEE conf. SMC 2000, vol. , no. , pp. 1547-1550, 2000. 

J. Seol, Chulhee Lee, "Automated selective coding of human faces using neural networks and wavelets," IEEE conf. SMC 2000, vol. , no. , pp. 1384-1387, 2000.

E. Jung, Chulhee Lee, "Analysis of decision boundaries of radial basis function neural networks," SPIE 2000, vol. , no. , pp. , 2000.

H. Shin, Chulhee Lee, "Automated segmentation of three dimensional sagittal brain MR images by masking and restoration operations," SPIE 2000, vol. , no. , pp. 48-57, 2000.

Kwanghoon Sohn, Chulhee Lee, Sebum Oh, Jungeun Lim, "New detection-estimation based approaches to color image filtering," 2000 International Conference on Imaging Science, Systems, and Technology (CISST'2000), vol. , no. , pp. 215-221, 2000.

K. Sohn, Chulhee Lee and W. Jang, "Error-resilient video coding technique based on wavelet transform," VCIP'2000, vol. , no. , pp. 209-218, 2000.

E. Jung, Chulhee Lee, "Dimension expansion of neural networks," IGARSS 2000, vol. 2, no. , pp. 678-860, 2000.

J. Go, Chulhee Lee, "Interpolation Using Neural Networks for Digital Still Cameras," ICCE 2000, vol. , no. , pp. 176-177, 2000.

Chulhee Lee, S. Huh, K. Sohn, "Three-dimensional interpolation for brain MR images," Aero Sense 2000, vol. , no. , pp. 77-84, 2000.

J. Go, Chulhee Lee, "Analytical Decision Boundary Feature Extraction for Neural Networks for the Recognition of Unconstrained Handwritten Digits," IEEE conf. SMC 2000, vol. , no. , pp. 2731-1734, 2000.

Chulhee Lee, Euisun Choi, "Optimizing feature extraction for multiclass problems," ICPR 2000, vol. 2, no. , pp. 402-405, 2000.

Euisun Choi, Chulhee Lee, "Feature Extraction based on the Bhattacharyya Distance," IGARSS 2000, vol. 5, no. , pp. 2146-2148, 2000.

J. Go, Chulhee Lee, "Analytical Decision Boundary Feature Extraction for Neural Networks," IGARSS 2000, vol. 7, no. , pp. 3072-3074, 2000.

Chulhee Lee, E. Jung, "Analyzing decision boundaries of neural networks," SPIE 2000, vol. , no. , pp. , 2000.

D.Hyun, Chulhee Lee, "Optimization of mel-cepstrum for speech recognition," IEEE SMC '99, vol. , no. , pp. 500-503, 1999.

Shin Huh and Chulhee Lee, "A Performance Survey of Various Interpolation Algorithms for 3D Sagittal Brain MR Images," APCMBE '99, vol. , no. , pp. 142-143, 1999.  

Shin Huh, Kwang Hoon Sohn, Yoon Sik Choe, Moon Gi Kang and Chulhee Lee, "Automated Segmentation of 3-D Sagittal Brain MR Images through Boundary Comparison," APCMBE '99, vol. , no. , pp. 213-214, 1999.

J. Seol, Chulhee Lee, "Performance Comparison of Various Wavelet Filters for Compression of 3-D Brain MR Images," APCMBE '99, vol. , no. , pp. 264-265, 1999.

J. Go, Chulhee Lee, "Analyzing weight distribution of neural networks," IEEE IJCNN '99, vol. , no. , pp. 1154-1157, 1999.

Chulhee Lee, J. Go, "Multi-level Neural Networks," IEEE IJCNN '99, vol. , no. , pp. 1150-1153, 1999.

Chulhee Lee, J. Go, "Multi-gradient: a fast converging and high performance learning algorithm," IEEE IJCNN '99, vol. , no. , pp. 1721-1724, 1999.

S. Huh and Chulhee Lee, "Robust Segmentation of Brain Magnetic Resonance Images," ITC-CSCC '98, vol. , no. , pp. 209-212, 1998.

Chulhee Lee, S. Huh, "Unsupervised segmentation of 3-D brain MR images," SPIE '98, vol. , no. , pp. 687-694, 1998.  

J. Hong, Chulhee Lee, "Separability measures for error estimation of two normally distributed classes," SPIE '98, vol. , no. , pp. 695-705, 1998. 

Chulhee Lee, Euisun Choi, J. Kim, "Optimal Feature Extraction for Normally Distributed Data," SPIE '98, vol. , no. , pp. 223-232, 1998.

Chulhee Lee, D. Hong, "Feature extraction using the Bhattacharyya distance," IEEE conf. SMC '97, vol. , no. , pp. 2147-2150, 1997.

Chulhee Lee, J. Hong, "Optimizing feature extraction for multiclass cases," IEEE conf. SMC '97, vol. , no. , pp. 2545-2548, 1997.

Chulhee Lee, "Error prediction in Gaussion ML classifier in remote-sensed data," SPIE '97, vol. , no. , pp. 127-136, 1997.

Chulhee Lee, "Error estimation of the Gaussian ML classifier," IEEE International Symposium on Information Theory, vol. , no. , pp. 535-535, 1997.

M.J. Vrhel, Chulhee Lee and M. Unser, "Fast computation of the continuous wavelet transform through oblique projection," IEEE ICASSP '96, vol. , no. , pp. 1459-1462, 1996.

Chulhee Lee, M. Eden and M. Unser, "Near optimal geometric image scaling using oblique projection operators," IEEE ICASSP '96, vol. , no. , pp. 2401-2404, 1996.

M.J. Vrhel, Chulhee Lee and M. Unser, "Comparison of algorithms for the fast computation of the continuous wavelet transform," SPIE '96, vol. , no. , pp. , 1996.

Chulhee Lee, M. Unser and T.A. Ketter, "Automatic recognition of corpus callosum from sagittal brain MR images," SPIE '95, vol. , no. , pp. 528-534, 1995.

M.J. Vrhel, Chulhee Lee and M. Unser, "Fractal dimension estimation using the fast continuous wavelet transform," SPIE '95, vol. , no. , pp. , 1995.

M.J. Vrhel, Chulhee Lee and M. Unser, "Fast Continuous Wavelet Transform," IEEE ICASSP '95, vol. , no. , pp. 1165-1168, 1995.

U.E. Ruttimann, N.F. Ramsey, D.W. Hommer, P. Thevenaz, Chulhee Lee and M. Unser, "Analysis of functional magnetic resonance images by wavelet decomposition," IEEE ICIP '95, vol. , no. , pp. 633-636, 1995.

M. Unser, M.A. Neimark and Chulhee Lee, "Affine transformations of images: a least squares formulation," IEEE ICIP '94, vol. , no. , pp. 558-561, 1994.

Chulhee Lee, M. Unser and T.A. Ketter, "A global approach to multivariate correlation analysis of brain PET images," SPIE '94, vol. , no. , pp. 305-315, 1994.

Chulhee Lee and D.A. Landgrebe, "Discriminant feature extraction for parametric and non-parametric classifier," IEEE SMC '92, vol. , no. , pp. 1345-1350, 1992.

Chulhee Lee and D.A. Landgrebe, "Decision boundary feature extraction for neural networks," IEEE SMC '92, vol. , no. , pp. 1053-1058, 1992.

Chulhee Lee and D.A. Landgrebe, "Analyzing high dimensional data," IEEE IGARSS '92, vol. , no. , pp. 561-563, 1992.

Chulhee Lee, J.A. Benediktsson and D.A. Landgrebe, "Feature selection for neural network using parzen density estimator," IEEE IGARSS '92, vol. , no. , pp. 839-841, 1992.

Chulhee Lee and D.A. Landgrebe, "Feature selection based on decision boundaries," IEEE IGARSS '91, vol. , no. , pp. 1471-1474, 1991.

Chulhee Lee and D.A. Landgrebe, "Decision boundary feature selection for non-parametric classifiers," SPSE's 44th Annual Conference, vol. , no. , pp. 475-478, 1991.

Chulhee Lee and D.A. Landgrebe, "Fast multistage Gaussian maximum likelihood classifier," IEEE IGARSS '90, vol. , no. , pp. 349-352, 1990.