Changkyu Choi

Publication Activity (10 Years)

Years Active: 1995-2024
Publications (10 Years): 22

Top Topics

Face Recognition

Liveness Detection

Multitask Learning

Top Venues

Publications

Changkyu Choi, Shujian Yu, Michael Kampffmeyer, Arnt-Børre Salberg, Nils Olav Handegard, Robert Jenssen
DIB-X: Formulating Explainability Principles for a Self-Explainable Model Through Information Theoretic Learning. ICASSP (2024)
Yangho Seo, Jihee Choi, Sunki Cho, Hyunwook Han, Wonjong Kim, Gyeongha Ryu, Jungil Ahn, Younga Cho, Sungphil Choi, Seohee Lee, Wooju Lee, Chaehyuk Lee, Kiup Kim, Seongseop Lee, Sangbeom Park, Minjun Choi, Sungwoo Lee, Mino Kim, Taekyun Shin, Hyeongsoo Jeong, Hyunseung Kim, Houk Song, Yunsuk Hong, Seokju Yoon, Giwook Park, Hokeun You, Changkyu Choi, Hae-Kang Jung, Joohwan Cho, Jonghwan Kim
13.8 A 1a-nm 1.05V 10.5Gb/s/pin 16Gb LPDDR5 Turbo DRAM with WCK Correction Strategy, a Voltage-Offset-Calibrated Receiver and Parasitic Capacitance Reduction. ISSCC (2024)
Youngwook Kwon, Hyunsu Park, Yoonjae Choi, Jincheol Sim, Jonghyuck Choi, Seungwoo Park, Kyeong-Min Kim, Changkyu Choi, Hae-Kang Jung, Chulwoo Kim
A 33-Gb/s/Pin 1.09-pJ/Bit Single-Ended PAM-3 Transceiver With Ground-Referenced Signaling and Time-Domain Decision Technique for Multi-Chip Module Memory Interfaces. IEEE J. Solid State Circuits 58 (8) (2023)
Lichen Wang, Zhengming Ding, Kasey Lee, Seungju Han, Jae-Joon Han, Changkyu Choi, Yun Fu
Generative Multi-Label Correlation Learning. ACM Trans. Knowl. Discov. Data 17 (2) (2023)
Donghyun Lee, Minkyoung Cho, Seungwon Lee, Joonho Song, Changkyu Choi
A Novel Sensitivity Metric For Mixed-Precision Quantization With Synthetic Data Generation. ICIP (2021)
Donghyun Lee, Minkyoung Cho, Seungwon Lee, Joonho Song, Changkyu Choi
Data-free mixed-precision quantization using novel sensitivity metric. CoRR (2021)
Jun-Woo Jang, Sehwan Lee, Dongyoung Kim, Hyunsun Park, Ali Shafiee Ardestani, Yeongjae Choi, Channoh Kim, Yoojin Kim, Hyeongseok Yu, Hamzah Abdel-Aziz, Jun-Seok Park, Heonsoo Lee, Dongwoo Lee, Myeong Woo Kim, Hanwoong Jung, Heewoo Nam, Dongguen Lim, Seungwon Lee, Joon-Ho Song, Suknam Kwon, Joseph Hassoun, SukHwan Lim, Changkyu Choi
Sparsity-Aware and Re-configurable NPU Architecture for Samsung Flagship Mobile SoC. ISCA (2021)
Jaehyoung Yoo, Dongwook Lee, Changyong Son, Sangil Jung, ByungIn Yoo, Changkyu Choi, Jae-Joon Han, Bohyung Han
RaScaNet: Learning Tiny Models by Raster-Scanning Images. CVPR (2021)
Changkyu Choi
Short-Term Load Forecasting with Dilated Recurrent Attention Networks in Presence of Missing Data. NLDL (2020)
Insoo Kim, Seungju Han, Seong-Jin Park, Ji-Won Baek, Jinwoo Shin, Jae-Joon Han, Changkyu Choi
DiscFace: Minimum Discrepancy Learning for Deep Face Recognition. ACCV (5) (2020)
Insoo Kim, Kyuhong Kim, Jiwhan Kim, Changkyu Choi
Deep Speaker Representation Using Orthogonal Decomposition and Recombination for Speaker Verification. ICASSP (2019)
Tianchu Guo, Yongchao Liu, Hui Zhang, Xiabing Liu, Youngjun Kwak, ByungIn Yoo, Jae-Joon Han, Changkyu Choi
A Generalized and Robust Method Towards Practical Gaze Estimation on Smart Phone. ICCV Workshops (2019)
Lichen Wang, Zhengming Ding, Seungju Han, Jae-Joon Han, Changkyu Choi, Yun Fu
Generative Correlation Discovery Network for Multi-label Learning. ICDM (2019)
Zhengming Ding, Ming Shao, Wonjun Hwang, Sungjoo Suh, Jae-Joon Han, Changkyu Choi, Yun Fu
Robust Discriminative Metric Learning for Image Representation. IEEE Trans. Circuits Syst. Video Technol. 29 (11) (2019)
Tianchu Guo, Yongchao Liu, Hui Zhang, Xiabing Liu, Youngjun Kwak, ByungIn Yoo, Jae-Joon Han, Changkyu Choi
A Generalized and Robust Method Towards Practical Gaze Estimation on Smart Phone. CoRR (2019)
Sangil Jung, Changyong Son, Seohyung Lee, JinWoo Son, Jae-Joon Han, Youngjun Kwak, Sung Ju Hwang, Changkyu Choi
Learning to Quantize Deep Networks by Optimizing Quantization Intervals With Task Loss. CVPR (2019)
Tianchu Guo, Youngsung Kim, Hui Zhang, Deheng Qian, ByungIn Yoo, Jingtao Xu, Dongqing Zou, Jae-Joon Han, Changkyu Choi
Residual Encoder Decoder Network and Adaptive Prior for Face Parsing. AAAI (2018)
Sangil Jung, Changyong Son, Seohyung Lee, JinWoo Son, Youngjun Kwak, Jae-Joon Han, Changkyu Choi
Joint Training of Low-Precision Neural Network with Quantization Interval Parameters. CoRR (2018)
ByungIn Yoo, Youngjun Kwak, Youngsung Kim, Changkyu Choi, Junmo Kim
Deep Facial Age Estimation Using Conditional Multitask Learning With Weak Label Expansion. IEEE Signal Process. Lett. 25 (6) (2018)
Youngsung Kim, ByungIn Yoo, Youngjun Kwak, Changkyu Choi, Junmo Kim
Deep generative-contrastive networks for facial expression recognition. CoRR (2017)
Wonjun Kim, Sungjoo Suh, Youngsung Kim, Changkyu Choi
Fingerprint Liveness Detection Using Ensemble of Local Image Quality Assessments. Visual Information Processing and Communication (2016)
Hao Feng, Biao Wang, Chao Zhang, Bing Yu, Wonjun Hwang, Jae-Joon Han, Changkyu Choi, Haitao Wang
A fast multi-view face detector for mobile phone. ICIP (2016)
Junho Yim, Heechul Jung, ByungIn Yoo, Changkyu Choi, Du-Sik Park, Junmo Kim
Rotating your face using multi-task deep neural network. CVPR (2015)
Zhengming Ding, Sungjoo Suh, Jae-Joon Han, Changkyu Choi, Yun Fu
Discriminative low-rank metric learning for face recognition. FG (2015)
ByungIn Yoo, Wonjun Kim, Jae-Joon Han, Changkyu Choi, Dusik Park, Junmo Kim
Randomized decision bush: Combining global shape parameters and local scalable descriptors for human body parts recognition. ICIP (2014)
Wonjun Kim, ByungIn Yoo, Jae-Joon Han, Changkyu Choi
Recognition combined human pose tracking using single depth images. Visual Information Processing and Communication (2014)
Nam-Joon Kim, Sungjoo Suh, Changkyu Choi
Robust finger contact detection with majority quadrant search for interactive tabletop displays. ICCE (2014)
Hyun-Woo Lee, Junyoung Song, Sangah Hyun, Seunggeun Baek, Yuri Lim, Jungwan Lee, Minsu Park, Haerang Choi, Changkyu Choi, Jin-Youp Cha, Jaeil Kim, Hoon Choi, Seung-Wook Kwack, Yonggu Kang, Jongsam Kim, Junghoon Park, Jonghwan Kim, Jin-Hee Cho, Chulwoo Kim, Yunsaing Kim, Jaejin Lee, Byong-Tae Chung, Sung-Joo Hong
25.3 A 1.35V 5.0Gb/s/pin GDDR5M with 5.4mW standby power and an error-adaptive duty-cycle corrector. ISSCC (2014)
ByungIn Yoo, Changkyu Choi, Jae-Joon Han, Chang-Kyo Lee, Wonjun Kim, Sungjoo Suh, Dusik Park, Junmo Kim
Real-time 3D human pose recognition from reconstructed volume via voxel classifiers. Three-Dimensional Image Processing, Measurement (3DIPM), and Applications (2014)
ByungIn Yoo, Changkyu Choi, Nam-Joon Kim, Jae-Joon Han, Dusik Park, Junmo Kim
RoVatar: semi-autonomous robot boxing game by miniature avatars. CHI Extended Abstracts (2014)
Jae-Joon Han, Changkyu Choi, ByungIn Yoo, Dusik Park, Changyeong Kim
Real-time hand shape recognition by orientation invariant data learning for smart TV. ICCE (2013)
Sungjoo Suh, Changkyu Choi, Dusik Park, Changyeong Kim
Efficient synthetic refocusing method from multiple coded aperture images for 3D user interaction. Computational Imaging (2013)
Nam-Joon Kim, Sungjoo Suh, Changkyu Choi, Dusik Park, Changyeong Kim
A fast motion deblurring based on the motion blur region search for a mobile phone. ICCE (2013)
Hyong-Euk Lee, Sanghyun Kim, Changkyu Choi, Won-Chul Bang, James D. K. Kim, Changyeong Kim
High-precision 6-DOF motion tracking architecture with compact low-cost sensors for 3D manipulation. ICCE (2012)
Sungjoo Suh, Kwonju Yi, Changkyu Choi, Dusik Park, Changyeong Kim
Mobile LCD device with transparent infrared image sensor panel for touch and hover sensing. ICCE (2012)
ByungIn Yoo, Jae-Joon Han, Changkyu Choi, Hee-seob Ryu, Du-Sik Park, Changyeong Kim
3D remote interface for smart displays. CHI Extended Abstracts (2011)
ByungIn Yoo, Jae-Joon Han, Changkyu Choi, Kwonju Yi, Sungjoo Suh, Dusik Park, Changyeong Kim
3D user interface combining gaze and hand gestures for large-scale display. CHI Extended Abstracts (2010)
Sung-Jung Cho, Changkyu Choi, Younghoon Sung, Kwanghyeon Lee, Yeun-Bae Kim, Roderick Murray-Smith
Dynamics of tilt-based browsing on mobile devices. CHI Extended Abstracts (2007)
Changkyu Choi, Donggeon Kong, Sujin Lee, Kiyoung Park, Sun-Gi Hong, Hyoung-Ki Lee, Seokwon Bang, Yongbeom Lee, Sang Ryong Kim
Real-time audio-visual localization of user using microphone array and vision camera. IROS (2005)
Yang-Won Jung, Hong-Goo Kang, Chungyong Lee, Dae Hee Youn, Changkyu Choi, Jaywoo Kim
Adaptive Microphone Array System with Two-Stage Adaptation Mode Controller. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (4) (2005)
Kiyoung Park, Changkyu Choi, Jeongsu Kim
Voice activity detection using global soft decision with mixture of Gaussian model. INTERSPEECH (2004)
Changkyu Choi, Gil-Jin Jang, Yongbeom Lee, Sang Ryong Kim
Adaptive Cross-Channel Interference Cancellation on Blind Source Separation Outputs. ICA (2004)
Gil-Jin Jang, Changkyu Choi, Yongbeom Lee, Yung-Hwan Oh
Adaptive cross-channel interference cancellation on blind signal separation outputs using source absence/presence detection and spectral subtraction. INTERSPEECH (2004)
Changkyu Choi, Donggeon Kong, Hyoung-Ki Lee, Sang Min Yoon
Separation of multiple concurrent speeches using audio-visual speaker localization and minimum variance beam-forming. INTERSPEECH (2004)
Changkyu Choi, Donggeon Kong, Jaywoo Kim, Seokwon Bang
Speech enhancement and recognition using circular microphone array for service robots. IROS (2003)
Tae-Dok Eom, Changkyu Choi, Ju-Jang Lee
Generalized asymmetrical bidirectional associative memory for multiple association. Appl. Math. Comput. 127 (2-3) (2002)
Changkyu Choi, Tae-Dok Eom, Sun-Gi Hong, J.-J. Lee
Information processing using chaos with application to mobile robot navigation problems. Artif. Life Robotics 2 (2) (1998)
Changkyu Choi, Ju-Jang Lee
Chaotic local search algorithm. Artif. Life Robotics 2 (1) (1998)
Tae-Dok Eom, Sung-Woo Kim, Changkyu Choi, Ju-Jang Lee
New skill learning paradigm using various kinds of neurons. IROS (1996)
Changkyu Choi, Sun-Gi Hong, Jin-Ho Shin, Il-Kwon Jeong, Ju-Jang Lee
Dynamical path-planning algorithm of a mobile robot using chaotic neuron model. IROS (2) (1995)