International Journals / Highlighted Conference Papers 

*Corresponding author

2024

• [CVPR24] (Updated!) G. Bang, K. Choi, J. Kim, D. Kum, and J. W. Choi*, "RadarDistill: Boosting Radar-based Object Detection Performance via Knowledge Distillation from LiDAR Features," accepted to IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) 2024. [pdf]

• [ICRA24] J. Kim, M. Seong, G. Bang, D. Kum, and J. W. Choi*, "RCM-Fusion: Radar-Camera Multi-Level Fusion for 3D Object Detection," accepted to IEEE International Conference on Robotics and Automation (ICRA) 2024. [pdf]

• [ICRA24] K. Park, Y. Kim, J. Koh, B. Park, and J. W. Choi*, "FG-PFE: Fine-Grained Pillar Feature Encoding via Spatio-Temporal Virtual Grid for 3D Object Detection," accepted to IEEE International Conference on Robotics and Automation (ICRA) 2024. [pdf] (code available: https://github.com/konyul/FG-PFE.git) 

• [ICRA24] J. Kim, G. Bang, K. Choi, M. Seong, J. C. Yoo, E. Pyo, and J. W. Choi*, " PillarGen: Enhancing Radar Point Cloud Density and Quality via Pillar-based Point Generation Network," accepted to IEEE International Conference on Robotics and Automation (ICRA) 2024. (Joint work with HL Klemove)  [pdf]

• [HPCA24] M. Lee, S. Park, H. Kim, M. Yoon, J. Lee, J. W. Choi, N. S. Kim, M. Kang, and J. Choi*, "SPADE: Sparse Pillar-based 3D Object Detection Accelerator for Autonomous Driving" IEEE International Symposium on High-Performance Computer Architecture (HPCA) 2024. (accept ratio: 18.29%)

• [PR24] J. S. Baik, I. Y. Yoon, and J. W. Choi*, "DBN-Mix: Training dual branch network using bilateral mixup augmentation for long-tailed visual recognition," Pattern Recognition, vol. 147, 2024. [pdf]

• Y. Kim, K. Park, M. Kim, D. S. Kum, and J. W. Choi* "3D Dual-Fusion: Dual-domain dual-query camera-LiDAR fusion for 3D object detection," arXiv:2211.13529. [pdf]

• K. Yang, K. Koh, and J. W. Choi*, "Unified Contrastive Fusion Transformer for Multimodal Human Action Recognition," arXiv:2309.05032, submitted to IEEE Trans. Multimedia. [pdf]  

2023

• [NeurIPS23] J. Bae, J. Kim, J. Yun, C. Kang, J. Lee, J. Choi, C. Kim, J. Choi, and J. W. Choi*, "SiT Dataset: Socially Interactive Pedestrian Trajectory Dataset for Social Navigation Robots," accepted to Neural Information Processing Systems (NeurIPS) 2023. [Dataset]

• [ICCV23] S. Choi, J. Kim, J. Yun, and J. W. Choi*, "R-Pred: Two-Stage Motion Prediction Via Tube-Query Attention-Based Trajectory Refinement," accepted to International Conference on Computer Vision (ICCV) 2023. [pdf] 

• [ICCV23] Y. Kim, S. Kim, J. Shin, J. W. Choi, and D. S. Kum*, "CRN: Camera Radar Net for Accurate, Robust, Efficient 3D Perception," accepted to International Conference on Computer Vision (ICCV) 2023. [pdf]

• [AAAI23] J. Koh, J. Lee, Y. Lee, J. Kim, and J. W. Choi*, "MGTANet: Encoding Sequential LiDAR Points Using Long Short-Term Motion-Guided Temporal Attention for 3D Object Detection," AAAI Conference on Artificial Intelligence 2023, 37(1), 1179-1187. [pdf] (code available: https://github.com/HYjhkoh/MGTANet.git)

• [AAAI23] Y. Kim, S. Kim, J. W. Choi, and D. S. Kum*, "CRAFT: Camera-Radar 3D Object Detection with Spatio-Contextual Fusion Transformer," AAAI Conference on Artificial Intelligence 2023, 37(1), 1160-1168. [pdf] 

• [ICRA23] J. Lee, J. Koh, Y. Lee and J. W. Choi*, "D-Align: Dual Query Co-attention Network for 3D Object Detection Based on Multi-frame Point Cloud Sequence," IEEE International Conference on Robotics and Automation (ICRA), London, UK, 2023, pp. 9238-9244. [pdf] (code available: https://github.com/junhyung-SPALab/D-Align)

• [TWC23] H. Park, J. Kang, S. Lee, J. W. Choi, and S. W. Kim*, "Deep Q-Network Based Beam Tracking for Mobile Millimeter-Wave Communications," IEEE Trans. Wireless Communications, vol. 22, no. 2, pp. 961-971, Feb. 2023. [pdf]

• [RAL23] S. Kim, H. Jeon, J. W. Choi, and D. Kum*, "Diverse multiple trajectory prediction using a two-stage prediction network trained with lane loss," IEEE Robotics and Automation Letters," vol. 8, no. 4, pp. 2038-2045, April. 2023.

• [TITS23] Y. Kim, S. Kim, S. Sim, J. W. Choi, and D. S. Kum*, "Boosting monocular 3D object detection with object-centric auxiliary depth supervision," IEEE Trans. Intelligent Transportation Systems, vol. 24, no. 2, pp. 1801-1813, Feb 2023. [pdf]

• [TITS23] H. Jeon, S. Kim, K. Lee, D. Kang, J. W. Choi, and D. S. Kum*, "Are Reactions to Ego Vehicles Predictable Without Data?: A Semi-Supervised Approach," IEEE Trans. Intelligent Transportation Systems, vol. 24, no. 6, pp. 6477-6490, June 2023.

2022

• [AAAI22] J. Koh, J. Kim, J. H. Yoo, Y. Kim, D. S. Kum, and J. W. Choi*, "Joint 3D Object Detection and Tracking Using Spatio-Temporal Representation of Camera Image and LiDAR Point Clouds," AAAI Conference on Artificial Intelligence, 36(1), 1210-1218. [pdf]

• [ACCV22] J. S. Baik, I. Y. Yoon, and J. W. Choi*, "ST-CoNAL: Consistency-Based Acquisition Criterion Using Temporal Self-ensemble for Active Learning," Asian Conference on Computer Vision (ACCV) 2022, pp. 3274-3290. [pdf]

• J. H. Lee, J. S. Baik, T. H. Hwang, and J. W. Choi*, "Learning from data with noisy labels using temporal self-ensemble," arXiv:2207.10354. [pdf]

• 배종욱, 이영우, 고준호, 이재영, 최준원, "카메라-라이다 센서 융합을 위한 캘리브레이션 기법 소개," 한국자동차공학회 논문집 제30권 제10호

2021

• [CVPR21] B. Kim, S. H. Park, S. Lee, E. Khoshimjonov, D. Kum, J. Kim, J. S. Kim, and J. W. Choi*, “LaPred: Lane-Aware Prediction of Multi-Modal Future Trajectories of Dynamic Agents,” IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) 2021, Nashville, TN, USA, 2021, pp. 14631-14640. (code available: https://github.com/bdokim/LaPred) [pdf] 

• [ICRA21] J. Koh, J. Kim, Y. Shin, B. Lee, S. Yang and J. W. Choi*, "Joint Representation of Temporal Image Sequences and Object Motion for Video Object Detection," IEEE International Conference on Robotics and Automation (ICRA) 2021, pp. 13370-13376. [pdf] 

• [JG21] Y. Shin, H. Cho, H. C. Jeong, M. S., J. W. Choi*, and W. J. Lee*, "Deep learning-based diagnosis of glaucoma using wide-field optical coherence tomography images," Journal of Glaucoma, vol. 30(9), pp. 803-812, Sep 2021. [pdf]

• [TCOM21] S. H. Lim, S. Kim, B. Shim, and J. W. Choi*, "Deep Learning-Based Beam Tracking for Millimeter-Wave Communications Under Mobility," IEEE Trans. on Communications, vol. 69, no. 11, pp. 7458-7469, Nov. 2021. [pdf]

• [ACCESS21] J. Kwon, J. Ha, D. Kim, J. W. Choi, L. Kim*, "Emotion Recognition Using a Glasses-Type Wearable Device via Multi-Channel Facial Responses," IEEE Access, vol. 9, pp. 146392-146403, Oct. 2021. [pdf]

2020

• [ECCV20] J. H. Yoo, Y. C. Kim, J. S. Kim, and J. W. Choi*, "3D-CVF: Generating joint camera and LiDAR features using cross-view spatial feature mapping for 3D object detection,"  European Conference on Computer Vision (ECCV) 2020, pp. 720-736. (4th ranked in KITTI 3D & BEV detection benchmark as of 2020 March, code available: https://github.com/rasd3/3D-CVF). [pdf] 

• [TSP20] J. H. Yoo, S. H. Lim, and J. W. Choi*, "Estimation of Dynamically Varying Support of Sparse Signals via Sequential Monte-Carlo Method," IEEE Trans. Signal Processing, vol. 68, pp. 4135-4147, July 2020. [pdf]

• [TCOM20] S. H. Lim, S. Kim, B. Shim, and J. W. Choi*, "Efficient Beam Training and Sparse Channel Estimation for Millimeter Wave Communications Under Mobility," IEEE Trans. Communications, vol. 68, no. 10, pp. 6583 - 6596, Oct. 2020. [pdf]

• [IROS20] H, Jeon, J. W. Choi, and D. S. Kum*, "SCALE-Net: Scalable Vehicle Trajectory Prediction Network under Random Number of Interacting Vehicles via Edge-enhanced Graph Convolutional Neural Network," IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) 2020, pp. 2095-2102. [pdf]

• [IROS20] Y. S. Kim, D. S. Kum*, and J. W. Choi, "GRIF Net: Gated Region of Interest Fusion Network for Robust 3D Object Detection from Radar Point Cloud and Monocular Image," IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) 2020, pp. 10857-10864. [pdf]

• [TWC20] S. Kim, J. W. Choi, and B. Shim*, "Downlink Pilot Precoding and Compressed Channel Feedback for FDD-Based Cell-Free Systems," IEEE Trans. Wireless Communications, vol. 19, no. 6, pp 3658-3672, June 2020. [pdf]

• [ITSC20] S. Kim, D. S. Kum*, and J. W. Choi, "RECUP Net: RECUrsive Prediction Network for Surrounding Vehicle Trajectory Prediction with Future Trajectory Feedback," IEEE International Conference on Intelligent Transportation Systems (ITSC) 2020, pp. 1-6. [pdf]

• [ICPR20] J. Kim, J. Koh, B. Lee, S. Yang, and J. W. Choi*, "Video Object Detection Using Object's Motion Context and Spatio-Temporal Feature Aggregation," International Conference on Pattern Recognition (ICPR) 2020, pp. 1604-1610. [pdf] 

• [ICPR20] J. H. Yoo, D. S. Kum and J. W. Choi*, "ScarfNet: Multi-scale Features with Deeply Fused and Redistributed Semantics for Enhanced Object Detection," International Conference on Pattern Recognition (ICPR) 2020, pp. 4505-4512. [pdf]

2019

• [IV19] Y. Kim, J. Kim, J. Koh, and J. W. Choi*, "Enhanced Object Detection in Bird's Eye View Using 3D Global Context Inferred From Lidar Point Data," IEEE Intelligent Vehicles Symposium (IV) 2019, pp. 2516-2521. [pdf]

• [ITSC19] J. Lee and J. W. Choi*, "May I Cut Into Your Lane?: A Policy Network to Learn Interactive Lane Change Behavior for Autonomous Driving," IEEE Intelligent Transportation Systems Conference (ITSC) 2019, pp. 4342-4347. [pdf]

• [TITS19] S. Kong*, Y. Lv, H. L. Vu, J. Cano, J. W. Choi, D. Kum, and B. T. Morris, "Guest Editorial Introduction to the Special Issue on Intelligent Transportation Systems Empowered by AI Technologies," IEEE Trans. Intelligent Transportation Systems, vol. 20, no. 10, pp. 3765-3770, Oct. 2019.

• [WCOML19] S. A. Irtaza, S. H. Lim, and J. W. Choi*, "Greedy Data-Aided Active User Detection for Massive Machine Type Communications," IEEE Wireless Communications Letter, vol 8, no. 4, pp. 1224-1227, Aug. 2019. [pdf]

2018

• [ACCV18] J. Kim, J. Koh, Y. Kim, J. Choi, Y. Hwang, and J. W. Choi*, "Robust deep multi-modal learning based on gated information fusion network," Asian Conference on Computer Vision (ACCV) 2018, pp 90-106. [pdf]

• [IV18] S. H. Park, B. Kim, C. M. Kang, C. C. Chung and J. W. Choi*, "Sequence-to-Sequence Prediction of Vehicle Trajectory via LSTM Encoder-Decoder Architecture," IEEE Intelligent Vehicles Symposium (IV), Changshu, China, 2018, pp. 1672-1678. (among 5% selected as single track oral presentation) [pdf]

• [IV18] J. Kim, J. Choi, Y. Kim, J. Koh, C. C. Chung, and J. W. Choi*, "Robust Camera Lidar Sensor Fusion Via Deep Gated Information Fusion Network," IEEE Intelligent Vehicles Symposium (IV), Changshu, China, 2018, pp. 1620-1625. (among  5% selected as single track oral presentation). [pdf]

2017

• [ITSC17] B. Kim, C. M. Kang, J. Kim, S. H. Lee, C. C. Chung and J. W. Choi*, "Probabilistic vehicle trajectory prediction over occupancy grid map via recurrent neural network," IEEE 20th International Conference on Intelligent Transportation Systems (ITSC), Yokohama, Japan, 2017, pp. 399-404. [pdf]

• [ITSC17] H. Chae, C. M. Kang, B. Kim, J. Kim, C. C. Chung and J. W. Choi*, "Autonomous braking system via deep reinforcement learning,"IEEE 20th International Conference on Intelligent Transportation Systems (ITSC), Yokohama, Japan, 2017, pp. 1-6. [pdf]

• [COMST17] J. W. Choi, B. Shim*, Y. Ding, B. Rao and D. I. Kim, "Compressed Sensing for Wireless Communications: Useful Tips and Tricks," IEEE Communications Surveys & Tutorials, vol. 19, no. 3, pp. 1527-1550, Thirdquarter 2017. [pdf]

• [TCOM17] S. Park, J. W. Choi, J. Seol and B. Shim*, "Expectation-Maximization-Based Channel Estimation for Multiuser MIMO Systems,"  IEEE Trans. Communications, vol. 65, no. 6, pp. 2397-2410, June 2017. [pdf]

• [TSP17] J. W. Choi and B. Shim*, "Detection of Large-Scale Wireless Systems via Sparse Error Recovery," IEEE Trans. Signal Processing, vol. 65, no. 22, pp. 6038-6052, Nov. 2017. [pdf]

• [CSS17] I. Chang, S. Park and J. W. Choi*, "Design of Low-Power Voltage Scalable Arithmetic Units with Perfect Timing Error Cancelation," Circuits Syst Signal Process 36, 4309–4325 (2017). [pdf]

• [TCOM17] S. Chang, H. Park, J. W. Choi, and J. Choi*, "Scalable Source Transmission With Unequal Frequency Reuse in MIMO Cellular Networks," IEEE Trans. Communications, vol. 65, no. 10, pp. 4188-4204, Oct. 2017. [pdf]

• [ENTROPY17] J. H. Lee, J. Kim, B. Kim. D. Yoon, J. W. Choi*, "Robust Automatic Modulation Classification Technique for Fading Channels via Deep Neural Network," Entropy, 19(9), 2017. [pdf]

• [COML17] J. Suhanya, J. W. Choi, and S. Kim*, "Robust Beam-Tracking for mmWave Mobile Communications," IEEE Communications Letter, vol. 21, no. 12, pp. 2654-2657, Dec. 2017. [pdf]

2016

• [JCN16] J. Lee, J. W. Choi, and B. Shim*, "Sparse signal recovery via tree search matching pursuit," Journal of Communication and Networks, vol. 18, no. 5, pp. 699-712, Nov. 2016.  [pdf]

• [MOBICOM16] S. Ka, T. H. Kim, J. Y. Ha, S. H. Lim, S. C. Shin, J. W. Choi, C. Kwak, and S. Choi*, "Near-ultrasound communication for TV's 2nd screen services," 22nd Annual International Conference on Mobile Computing and Networking (MobiCom '16). Association for Computing Machinery, New York, NY, USA, 42–54. (Accept ratio = 14.16% = 32/226) [pdf]

• [ICTC16] B. Kim, J. Kim, H, Chae, D. Yoon, J. W. Choi*, "Deep neural network-based automatic modulation classification technique," International Conference on Information and Communication Technology Convergence (ICTC), Jeju, Korea (South), 2016, pp. 579-582.

2015

• [TSP15] J. W. Choi and B. Shim*, "Statistical Recovery of Simultaneously Sparse Time-Varying Signals From Multiple Measurement Vectors," IEEE Trans. Signal Processing, vol. 63, no. 22, pp. 6136-6148, Nov. 2015. [pdf] 

• [JCN15] J. W. Choi, B. Lee, and B. Shim*, "Iterative group detection and decoding for large MIMO systems", Journal of Communications and Networks, vol. 17, no. 6, pp. 609-621, Dec. 2015. [pdf]

• [TSP15] S. Park, B. Shim, and J. W. Choi*, "Iterative Channel Estimation Using Virtual Pilot Signals for MIMO-OFDM Systems," IEEE Trans. Signal Processing, vol 63, no. 12, pp. 3032-3045, June 2015. [pdf]

• [COML15] J. W. Choi, B. Shim, and S. Chang*, "Downlink Pilot Reduction for Massive MIMO Systems via Compressed Sensing," IEEE Communications Letter, vol. 19, no. 11, pp. 1889-1892, Nov. 2015. [pdf]

• [INFOCOM15] H. Lee,  T. H. Kim, J. W. Choi, and S. Choi*, "Chirp signal-based aerial acoustic communication for smart devices," IEEE Conference on Computer Communications (INFOCOM), Hong Kong, China, 2015, pp. 2407-2415. (Acceptance ratio 19%  = 316/1640) [pdf]

Prior to 2015

• [COML14] K. Kim, J. W. Choi, S. S. Kozat, and A. C. Singer, "Low Complexity Turbo-Equalization: A Clustering Approach," IEEE Communication Letters, vol. 18, pp. 1063-1066, June 2014. [pdf]

• [TIT12] J. W. Choi, B. Shim, and A. C. Singer, "Efficient Soft-Input Soft-Output Tree Detection via an Improved Path Metric," IEEE Trans Information Theory, vol. 58, pp. 1518-1533, March 2012. [pdf]

• [TWC12] B. Shim, J. W. Choi, and I. Kang, "Towards the Performance of ML and the Complexity of MMSE: A Hybrid Approach for Multiuser Detection," IEEE Trans Wireless Communications, vol. 11, pp. 2508-2519, July 2012.

• [JSTSP11] H. Wan, R. Chen, J. W. Choi, A. C. Singer, J. C. Preisig, and B. Farhang-Boroujeny, "Markov Chain Monte Carlo Detection for Frequency-Selective Channels Using List Channel Estimates," IEEE Journal of Selected Topics in Signal Processing, vol. 5, no. 8, pp. 1537-1547, Dec. 2011.

• [JOE11] J. W. Choi, T. J. Riedl, K. Kim, A. C. Singer, and J. C. Preisig, "Adaptive Linear Turbo Equalization Over Doubly Selective Channels," IEEE Journal of Oceanic Engineering, vol. 36, pp. 473-489, Oct. 2011.

• [TSP10] J. W, Choi, B. Shim, A. C. Singer, and N. I Cho, "Low-Complexity Decoding via Reduced Dimension Maximum-Likelihood Search," IEEE Trans Signal Processing, vol. 58, pp. 1780-1794, March 2010.

• [TCOM10] J. W. Choi, A. C. Singer, J. W. Lee, and N. I. Cho, "Improved linear soft-input soft-output detection via soft feedback successive interference cancellation," IEEE Trans. Communications., vol. 58, pp. 986-996, March 2010.

• [TSP07] J. W. Choi, B. Shim, A. C. Singer, and N. I. Cho, "Low-Power Filtering Via Minimum Power Soft Error Cancellation," IEEE Trans. Signal Processing, vol. 55, pp. 5084-5096, Oct. 2007.

• [SP02] J. W. Choi and N. I. Cho, "Suppression of narrow-band interference in DS-spread spectrum systems using adaptive IIR notch filter," Signal Processing, vol 82, pp. 2003-2013, Dec. 2002.

International Conferences

• S. Kim, J. W. Choi, and B. Shim, "Path selection based feedback reduction for FDD massive MIMO systems" WCNC 2019.

• S. Kim, J. W. Choi, and B. Shim, "Feedback reduction for beyond 5G cellular systems," ICC 2019.

• S. H. Lim, J. H. Lim, S. Kim, and J. W. Choi, "Greedy recovery of sparse signals with dynamically varying support," EUSIPCO 2018, Sept. 2018. 

• J. Bae, S. H. Lim, J. H. Yoo, B. Shim, and J. W. Choi, "Dedicated beam-based channel training technique for millimeter-wave communications with high mobility", EUSIPCO 2018, Sept. 2018. 

• J. Bae, S. H. Lim, J. H. Yoo, and J. W. Choi, "New beam tracking technique for millimeter wave communications," arXiv. [pdf]

• H. Ji, J. W. Choi, and B. Shim, "Channel sparsification beamforming for Internet of Things systems", accepted for ICC 2017.  

• J. Yoo, J. Bae, S. Lim, S. Kim, B. Shim, and J. W. Choi, "Sampling-based tracking of time varying channels for millimeter wave-band communications," accepted for ICC 2017.

• B. Kim, J. Kim. H. Chae, D. Yoon, and J. W. Choi, "Deep neural network-based automatic modulation classification technique," ICTC 2016.

• J. Yoo, A. I. Syed, B. Shim, and J. W. Choi, "Kalman-based time-varying sparse channel estimation," ICCS 2016.

• S. Park, J. W. Choi, J. Seol, and B. Shim, "Virtual pilot-based channel estimation and multiuser detection for multiuser MIMO in LTE-Advanced," VTC 2016-fall, Montreal Canada.

• S. Ka, T. H. Kim, J. Y. Ha, S. H. Lim, S. C. Shin, J. W. Choi, C. Kwak, and S. Choi, "Near-ultrasound communication model design for TV's 2nd screen services," accepted for Mobicom 2016 (Accept ratio = 14.16% = 32/226)

• J. W. Choi and B. Shim, "Compressed sensing-based pilot reduction technique for massive MIMO systems," Information Theory and Appliation (ITA), Feb 2015.

• H. Lee,  T. H. Kim, J. W. Choi, and S. Choi, "Chirp signal-based aerial acoustic communication for smart devices," accepted for INFOCOM 2015, Hong Kong (Acceptance ratio - 19%  = 316/1640)

• J. W. Choi and B. Shim, "New approach for massive MIMO detection via sparse error recovery," IEEE Proc. Globecom pp. 3754-3759, Dec. 2014.

• J. W. Choi, B. Lee, B. Shim, and I. Kang, "Low complexity soft-input soft-output group detection for massive MIMO systems," Proc. of IEEE international conference on communications (ICC) 2013.

• J. W. Choi, B. Lee, I. Kang, and B. Shim, "Low complexity detection and precoding for massive MIMO systems," Proc. of IEEE wireless communications and networking conference (WCNC) 2013.

• J. W. Choi, B. Shim, and A. C. Singer, "Linear estimate-based look-ahead path metric for efficient soft-input soft-output tree detection," Information Theory Proceedings (ISIT), 2010, pp. 804-808.

• J. W. Choi, B. Shim, and A. C. Singer, “On the improved path metric for soft-input soft-output tree detection," Information Theory and Application Workshop (ITA), 2010, pp. 1-5. (Nominated as one of three excellent candidates seeking academic positions in UIUC)

• H. Wan, R. Chen, J. W. Choi, A. C. Singer, J. C. Preisig, and B. Farhang-Boroujeny, “Stochastic expectation maximization algorithm for long-memory fast-fading channels,” Global Telecommunications Conference (Globecom), 2010, pp. 1-5.

• J. W. Choi, T. Riedl, E. Daly, K. Kim, A. C. Singer, and J. Preisig, “Adaptive linear turbo equalization of large delay spread time-varying channel responses,” Sensor Array and Multichannel Signal Processing Workshop (SAM), 2010, pp. 77-80.

• A. C. Singer, A. J. Bean, and J. W. Choi, “Mutual information and time interleaved analog to digital converters,” IEEE Workshop on Information Theory and its Application (ITA), Jan. 2010, pp. 1-5.

• T. Riedl, A. C. Singer, and J. W. Choi, “Learning in Gaussian Markov random fields,” Acoustics Speech and Signal Processing (ICASSP), 2010, pp. 3070-3073.

• K. Kim, J. W. Choi, A. C. Singer, K. Kim, “A new adaptive turbo equalizer with soft information classification,” Acoustics Speech and Signal Processing (ICASSP), 2010, pp. 3206-3209.

• H. Wan, R. Chen, J. W. Choi, A. C. Singer, J. Preisig, and B. Farhang-Boroujeny, “Markov chain Monte Carlo detection for underwater acoustic channels,” Information Theory and Application Workshop (ITA), 2010, pp. 1-5.

• J. W. Choi, B. Shim, J. K. Nelson, and A. C. Singer, “Efficient soft-input soft-output MIMO detector via improved M-algorithm,” IEEE International Conference on Communications (ICC), 2010, pp. 1-5.

• J. W. Choi, T. J. Riedl, K. Kim, A. C. Singer, and J. C. Preisig, “Practical application of turbo equalization to underwater acoustic communications,” Wireless Communication Systems (ISWCS), 2010, pp. 601-605. ICASSP 2010.

• T. Riedl, J. W. Choi, and A. C. Singer, “Channel estimation by inference on Gaussian Markov random fields,” Signals, Systems and Computers Asilomar Conference, Nov. 2009, pp. 1007-1011.

• J. W. Choi, B. Shim, and A. C. Singer, “Near-ML detection over a reduced dimension hypersphere,” Global Telecommunications Conference (Globecom) Dec. 2009, pp. 1-6.

• T. J. Riedl, J. W. Choi, and A. C. Singer, “Channel estimation by inference on Gaussian Markov random fields,” Signals, Systems and Computers Asilomar Conference, Nov. 2009, pp. 620-624.

• J. W. Choi, K. Kim, T. J. Riedl, and A. C. Singer, “Iterative estimation of sparse and doubly-selective multi-input multi-output (MIMO) channel,” Signals, Systems and Computers Asilomar Conference, Nov. 2009, pp. 620-624.

• B. Shim, J. W. Choi, I. Kang, “Towards the performance of ML and the complexity of MMSE - A Hybrid approach,” Global Telecommunications Conference (Globecom), Nov. 2008, pp. 1-5.

• J. W. Choi, R. J. Drost, A. C. Singer, and J. C. Preisig, “Iterative multi-channel equalization and decoding for high frequency underwater acoustic communications,” IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM), July 2008, pp. 127-130.

• J. W. Choi, B. Shim, A. C. Singer, and N. I. Cho, “A low-complexity near-ML decoding technique via reduced dimension list stack algorithm (RD-LSA),” IEEE Sensor Array and Multi-channel Signal Processing Workshop (SAM) 2008, July 2008, pp. 41-44.

• J. W. Choi, A. C. Singer, J. W. Lee, and N. I. Cho, “An improved soft feedback V-BLAST detection technique for TURBO-MIMO systems,” IEEE International Conference on Acoustics, Speech and Signal Processing Conference (ICASSP), March 2008, pp. 3181-3184.

• J. W. Choi, A. C. Singer, and N. I. Cho, “Low-power adaptive FIR equalizer via soft error cancellation,” IEEE International Conference on Acoustics, Speech and Signal Processing Conference (ICASSP), May 2006, pp. 14-19.

• J. W. Choi, B. Shim, A. C. Singer, N. I. Cho, “Energy-efficient digital filtering using ML-based error correction (ML-EC) technique,” IEEE International Conference on Acoustics, Speech and Signal Processing Conference (ICASSP), Mar. 2005, pp. 18-23.

• J. W. Choi and N. I. Cho, “Narrow-band interference suppression in direct sequence spread spectrum systems using a lattice IIR notch filter,” IEEE International Conference on Acoustics, Speech and Signal Processing Conference (ICASSP), May 2001, pp. 2237-2240.