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Recent News

• I am giving a talk on 5G and 6G with the title of "Connectivity Technologies for 5G and 6G Era" at Samsung Tech Day 2022. (9/23/19)

• I am giving a talk at IEEE ISIT 2020: 5G and Its Evolution towards 6G. (6/20/20)

• I am giving a talk on AI with the title of "AI Everywhere: Cloud to On-Device AI" at Samsung Tech Day 2019. (9/23/19)

• I am giving a talk on 5G at Focus on 5G event in San Jose on May 21st, 2019. (5/1/19)

• My team is demonstrating our AI camera solution at ICML 2019 and CVPR 2019. (4/19/19)

• I will serve as a panelist in IEEE 5G Summit on April 20th, 2019. (4/15/19)

• Samsung launched Galaxy S10 5G powered by Exynos Modem 5100. (4/3/19)

• My team is demonstrating our AI camera solution at NIPS 2018. (12/1/18)

• My team is holding "Next-Gen Mobile Technology Showcase" event in San Diego on Sep. 27th, 2018. (9/1/18)

• Samsung released world's first NR-compliant 5G modem Exynos Modem 5100. This chip was developed by my team in collaboration with various teams in Korea. (8/5/18)

Recent Benchmark Test Results

• Our Exynos 990 in Galaxy Note 20 Ultra ranked #1 in three out of five benchmark tests at MLPerf Inference v0.7 for Mobile. (10/21/2020)

• Our denoising algorithm ranked #1 in terms of SSIM at NTIRE 2020 Challenge on Real Image Denoising Track 1 RawRGB. (Results) (5/8/2020)

• Our super-resolution algorithm ranked #2 at NTIRE 2020 Challenge on Real-World Super-Resolution Track 1 Image Processing Artifacts. (Results) (5/5/2020)

• Our denoising algorithm ranked #1 at Smartphone Image Denoising Dataset (SIDD) Benchmark in raw-RGB space. (Results for our MCU-Net) (4/23/2020)

• Our pedestrian detection algorithm ranked #1 at Caltech Pedestrian Detection Benchmark for Caltech Pedestrian Dataset as well as INRIA Pedestrian Test Dataset and ETH Pedestrian Dataset in October 2016. Our algorithm still ranks #1 for INRIA and ETH Pedestrian Dataset as of 2/13/19. (Results) (2/13/19)

• Our stereo image depth estimation algorithm ranked #1 at KITTI Stereo Benchmark. (Results) (6/25/18)

• Our Shannon 303 modem ranked #1 at LTE-Advanced modem benchmark test by Signals Ahead. (2/28/15)

• Our Shannon 300 modem ranked #1 at LTE modems benchmark test by Signals Ahead. (5/7/14)

Recent Papers on AI & Multimedia

• "3D texture super resolution via the rendering loss," IEEE ICASSP 2022. (1/22/2022)

• "Adversarial learning of a variational generative model with succinct bottleneck representation," IEEE Neurips 2021 Workshop on Bayesian Deep Learning (BDL). (11/1/2021)

• "Zero-shot learning of a conditional generative adversarial network for data-free network quantization," IEEE ICIP 2021. (5/21/2021)

• "Dual-teacher class-incremental learning with data-free generative replay," CVPR 2021 Workshop on Continual Learning in Computer Vision (CLVISION). (4/14/2021)

• "Towards fair federated learning with zero-shot data augmentation," CVPR 2021 workshop on fair, data-efficient and trusted computer vision (TCV). (4/14/2021)

• "HyperCon: image-to-video model transfer for video-to-video translation tasks," WACV 2021. (11/2/2020)

• "Multitask deep neural networks for tele-wide stereo matching," IEEE Access, Oct. 2020.

• "Learning sparse low-precision neural networks with learnable regularization," IEEE Access, May 2020.

• "Stereo disparity estimation via joint supervised, unsupervised, and weakly supervised learning," IEEE ICIP 2020. (5/15/2020)

• "GSANet: semantic segmentation with global and selective attention," IEEE ICIP 2020. (5/15/2020)

• "NTIRE 2020 challenge on real image denoising: dataset, methods and results," CVPR New Trends in Image Restoration and Enhancement (NTIRE) Workshop 2020. (5/8/2020)

• "NTIRE 2020 challenge on real-world image super-resolution: methods and results," CVPR New Trends in Image Restoration and Enhancement (NTIRE) Workshop 2020. (5/5/2020)

• "Real image denoising based on multi-scale residual dense block and cascaded U-net with block-connection," CVPR New Trends in Image Restoration and Enhancement (NTIRE) Workshop 2020. (4/16/2020)

• "Real-world super-resolution using generative adversarial networks," CVPR New Trends in Image Restoration and Enhancement (NTIRE) Workshop 2020. (4/16/2020)

• "SUW-learn: joint supervised, unsupervised, weakly supervised deep learning for monocular depth estimation," CVPR Deep Vision Workshop 2020. (4/16/2020)

• "Data-free network quantization with adversarial knowledge distillation," CVPR Joint Workshop on Efficient Deep Learning for Computer Vision (EDLCV) 2020. (4/16/2020)

• "The 'Vertigo effect' on your smartphone: dolly zoom via single shot view synthesis," CVPR Dynamic Scene Reconstruction (DynaVis) Workshop 2020. (4/16/2020)

• "Universal deep neural network compression," IEEE Journal of Selected Topics in Signal Processing. (2/8/2020)

• "Deep monocular video depth estimation using temporal attention," ICASSP 2020 (Oral). (1/24/2020)

• "T-GSA: transformer with Gaussian-weighted self-attention for speech enhancement," ICASSP 2020. (1/24/2020)

• "CAD-AEC: Context-aware deep acoustic echo cancellation," ICASSP 2020. (1/24/2020)

• "CNF+CT: Context network fusion of cascade trained convolutional neural networks for image super resolution," IEEE Transactions on Computational Imaging, Nov. 2019. (11/10/19)

• "FBA-AMNET: foreground-background aware atrous multiscale networks for stereo disparity estimation," ICCE 2020. (10/26/19)

• "Variable rate deep image compression with a conditional autoencoder," ICCV 2019 (Oral). (7/22/19)

• "Deep multitask acoustic echo cancellation," Interspeech 2019. (6/17/19)

• "Deep robust single image depth estimation neural network using scene understanding," CVPR Deep Vision Workshop 2019. (5/13/19)

• "TW-SMNet: multitask deep neural networks for tele-wide stereo matching," CVPR Computational Cameras and Displays (CCD) Workshop 2019. (5/13/19)

• "Multi-task learning of depth from tele and wide stereo image pairs," ICIP 2019. (5/1/19)

• "5D video stabilization through sensor vision fusion," ICIP 2019 (Top 10% Papers, Best Industry Paper Finalist). (5/1/19)

• "Jointly sparse convolutional neural networks in dual spatial-winograd domains," ICASSP 2019. (2/1/19)

• "Variational inference via joint latent variable model with common information extraction," NIPS Bayesian Deep Learning Workshop 2018. (11/19/18)

• "Universal deep neural network compression," NIPS Compact Deep Neural Network Representation with Industrial Applications (CDNNRIA) Workshop 2018. (11/19/18)

• "DN-ResNet: efficient deep residual network for image denoising," ACCV 2018. (9/26/18)

• "Video super resolution based on deep convolution neural network with two-stage motion compensation," IEEE ICME Machine Learning and Artificial Intelligence for Multimedia Creation Workshop 2018. (4/28/18)

• "BridgeNets: student-teacher transfer learning based on recursive neural networks and its application to distant speech recognition," ICASSP 2018. (1/29/18)

• "CT-SRCNN: cascade trained and trimmed deep convolutional neural networks for image super resolution," WACV 2018.

• "Residual LSTM: design of a deep recurrent architecture for distant speech recognition," Interspeech 2017.

• "Image super resolution based on fusing multiple convolution neural networks," CVPR New Trends in Image Restoration and Enhancement (NTIRE) Workshop 2017.

• "Towards the limit of network quantization," ICLR 2017.

• "Fused DNN: a deep neural network fusion approach to fast and robust pedestrian detection," WACV 2017.

Recent Papers on Cellular

• "Channel state feedback with neural networks: a discrete representation learning approach," IEEE GLOBECOM 2022 Workshop on Emerging Topics in 6G Communications. (9/23/22)

• "Compression of channel coefficients with neural networks for NR and LTE," IEEE VTC 2022-Spring. (3/5/22)

• "Efficient PBCH DMRS sequence detection for fast synchronization process of 5G NR systems," IEEE VTC 2021-Fall. (7/13/21)

• "Efficient soft-output demodulation for mmWave hybrid-MIMO systems with low-resolution ADCs," IEEE VTC 2021-Fall. (7/13/21)

• "Review of 5G NTN standards development and technical challenges for satellite integration with the 5G network," IEEE Aerospace and Electronic Systems Magazine. (4/22/2021)

• "Line-of-sight communications with antenna misalignments," IEEE ICC 2021. (1/25/2021)

• "Simplified decoding of polar codes by identifying Reed-Muller constituent codes," IEEE GLOBECOM 2020. (8/24/2020)

• "An overview of channel coding for 5G NR cellular communications," APSIPA Transactions on Signal and Information Processing, June 2019.

• "Circular buffer rate-matched polar codes," IEEE Transactions on Communications, February 2018.

• "A search-free algorithm for precoder selection in FD-MIMO systems with DFT-based codebooks," 2017 IEEE 86th Vehicular Technology Conference (VTC-Fall).

• "Relaxed polar codes," IEEE Transactions on Information Theory, April 2017.

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